Seattle to Luxembourg (LUX) flights from $955 round trip, Nov 2026–Feb 2027
Axel-exclusive from $955 round trip (Sat Nov 14–Mon Nov 16, 2026, Delta + British Airways 1 stop), published Oct 29, 2026; one-way from $710 (Sat Nov 14, Delta 1 stop). 90 departure dates priced, one adult, economy.
Compare flight prices from Seattle to Luxembourg for your dates. There are no recent complete one-adult round trips here to set a price target.
Axel shows the exact bookable round-trip price from Seattle to Luxembourg for your dates, one traveler, no account to see it.
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Seattle to Luxembourg flight prices at a glance
- One-way: from $710 (Delta, 1 stop) on Sat, Nov 14, 2026; one-way totals sit beside each departure in the calendar.
Seattle to Luxembourg flight prices on popular dates
Exact date pairs with their published Axel-exclusive totals: the coming weekends, the holiday weeks and the cheapest week of each month. One adult, economy, USD, including required taxes. Open a pair for its flights; the full calendar below has every priced date.
| Depart | Return | Nights | Airline | Axel-exclusive total | Why this pair |
|---|---|---|---|---|---|
| Sat, Nov 14, 2026 | Mon, Nov 16, 2026 | 2 | Delta + British Airways, 1 stop | $955 | Weekend of Sat, Nov 14 |
| Sun, Nov 15, 2026 | Mon, Nov 23, 2026 | 8 | Delta + British Airways, 1 stop | $955 | Cheapest week in Nov 2026 |
| Fri, Nov 20, 2026 | Mon, Nov 30, 2026 | 10 | Delta + British Airways, 1 stop | $955 | Thanksgiving week |
| Sat, Nov 21, 2026 | Mon, Nov 23, 2026 | 2 | Delta + British Airways, 1 stop | $955 | Weekend of Sat, Nov 21 |
| Sat, Nov 28, 2026 | Mon, Nov 30, 2026 | 2 | Delta + British Airways, 1 stop | $955 | Weekend of Sat, Nov 28 |
| Tue, Dec 1, 2026 | Mon, Dec 7, 2026 | 6 | Delta + British Airways, 1 stop | $955 | Cheapest week in Dec 2026 |
| Sat, Dec 5, 2026 | Mon, Dec 7, 2026 | 2 | Delta + British Airways, 1 stop | $955 | Weekend of Sat, Dec 5 |
| Sat, Dec 12, 2026 | Mon, Dec 14, 2026 | 2 | Delta + British Airways, 1 stop | $955 | Weekend of Sat, Dec 12 |
| Wed, Dec 16, 2026 | Sat, Dec 26, 2026 | 10 | Delta + British Airways, 1 stop | $1,070 | Christmas week |
| Sat, Dec 19, 2026 | Mon, Dec 21, 2026 | 2 | Delta + British Airways, 1 stop | $1,193.75 | Weekend of Sat, Dec 19 |
| Sun, Dec 27, 2026 | Wed, Jan 6, 2027 | 10 | Delta + British Airways, 1 stop | $1,078.75 | New Year’s week |
| Fri, Jan 1, 2027 | Tue, Jan 5, 2027 | 4 | Delta + KLM Royal Dutch Airlines, 1 stop | $1,098.75 | Weekend of Sat, Jan 2 |
Seattle to Luxembourg one-way flight prices
Cheapest one-way: $710 on Sat, Nov 14, 2026, Delta, 1 stop. One-way totals run $710 to $887.50 across 90 departure dates; each departure in the calendar below lists its one-way price beside the round trips. Published Oct 29, 2026.
Seattle to Luxembourg round trip flight prices and average fare
Published round trips start at $955 and run to $1,193.75 for the lowest fare on each of 90 departure dates; the median lowest round trip is $955, and 70 of the 90 dates have a round trip at $955 or less. One adult, economy, Axel-exclusive totals including required taxes. Published Oct 29, 2026.
Cheapest day of week and month to fly Seattle to Luxembourg
Cheapest month by published price: November 2026, where the lowest round trip per departure date has a median of $955; dearest: December 2026 at $1,070. Published Oct 29, 2026.
Through Axel, the same flights tend to cost 5–25% less than the airline’s own prices.
Seattle (SEA) to Luxembourg (LUX): round-trip and one-way prices for 90 departure dates, Nov 14, 2026–Feb 11, 2027. One adult, economy. Open a departure for return options; use the chooser below for other travelers and cabins.
Delta + British Airways, out: 1 stop via AMS, back: 1 stop via LHR, from $955 round trip · Delta + KLM Royal Dutch Airlines, out: 1 stop via AMS, back: 1 stop via AMS, from $975 round trip
How to read the calendar: published Axel-exclusive USD totals for one adult, including required taxes; basic economy may apply. Each return range includes its own prices. Only the listed dates and options are priced. Date links open published details; live search checks availability and lets you select flights.
Seattle to Luxembourg flight prices by month
November 2026: Nov 14–30 from $955.
December 2026: Dec 1–15 from $955 · Dec 16–17 from $1,070 · Dec 18–21 from $1,193.75 · Dec 22 from $1,098.75 · Dec 23–31 from $1,078.75.
January 2027: Jan 1–4 from $1,078.75 · Jan 5–31 from $955.
February 2027: Feb 1–11 from $955.
Month summaries show the lowest displayed round-trip total for each departure. Match your return date to the calendar below.
Seattle to Luxembourg flights in November 2026: price by departure date
SEA → LUX · USD · 1 adult · economy · published Oct 29, 2026
Sat, Nov 14, 2026 · round trip · return Nov 16: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Nov 17–22: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Nov 23: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Nov 24–28: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS · one-way: Delta $710, out: 1 stop via AMS
Sun, Nov 15, 2026 · round trip · return Nov 17–22: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Nov 23: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Nov 24–29: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS · one-way: Delta $710, out: 1 stop via AMS
Mon, Nov 16, 2026 · round trip · return Nov 18–22: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Nov 23: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Nov 24–29: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Nov 30: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Tue, Nov 17, 2026 · round trip · return Nov 19–22: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Nov 23: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Nov 24–29: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Nov 30: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 1: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS · one-way: Delta $710, out: 1 stop via AMS
Wed, Nov 18, 2026 · round trip · return Nov 20–22: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Nov 23: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Nov 24–29: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Nov 30: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 1–2: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS · one-way: Delta $710, out: 1 stop via AMS
Thu, Nov 19, 2026 · round trip · return Nov 21–22: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Nov 23: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Nov 24–29: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Nov 30: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 1–3: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS · one-way: Delta $710, out: 1 stop via AMS
Fri, Nov 20, 2026 · round trip · return Nov 22: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Nov 23: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Nov 24–29: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Nov 30: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 1–4: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS · one-way: Delta $710, out: 1 stop via AMS
Sat, Nov 21, 2026 · round trip · return Nov 23: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Nov 24–29: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Nov 30: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 1–5: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS · one-way: Delta $710, out: 1 stop via AMS
Sun, Nov 22, 2026 · round trip · return Nov 24–29: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Nov 30: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 1–6: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS · one-way: Delta $710, out: 1 stop via AMS
Mon, Nov 23, 2026 · round trip · return Nov 25–29: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Nov 30: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 1–6: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 7: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Tue, Nov 24, 2026 · round trip · return Nov 26–29: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Nov 30: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 1–6: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 7: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 8: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS · one-way: Delta $710, out: 1 stop via AMS
Wed, Nov 25, 2026 · round trip · return Nov 27–29: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Nov 30: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 1–6: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 7: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 8–9: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS · one-way: Delta $710, out: 1 stop via AMS
Thu, Nov 26, 2026 · round trip · return Nov 28–29: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Nov 30: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 1–6: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 7: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 8–10: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS · one-way: Delta $710, out: 1 stop via AMS
Fri, Nov 27, 2026 · round trip · return Nov 29: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Nov 30: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 1–6: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 7: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 8–10: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 11: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Sat, Nov 28, 2026 · round trip · return Nov 30: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 1–6: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 7: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 8–10: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 11–12: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Sun, Nov 29, 2026 · round trip · return Dec 1–6: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 7: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 8–10: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 11–13: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Mon, Nov 30, 2026 · round trip · return Dec 2–6: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 7: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 8–10: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 11–14: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Seattle to Luxembourg flights in December 2026: price by departure date
SEA → LUX · USD · 1 adult · economy · published Oct 29, 2026
Tue, Dec 1, 2026 · round trip · return Dec 3–6: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 7: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 8–10: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 11–14: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 15: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS · one-way: Delta $710, out: 1 stop via AMS
Wed, Dec 2, 2026 · round trip · return Dec 4–6: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 7: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 8–10: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 11–14: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 15: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 16: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Thu, Dec 3, 2026 · round trip · return Dec 5–6: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 7: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 8–10: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 11–14: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 15: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 16–17: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Fri, Dec 4, 2026 · round trip · return Dec 6: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 7: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 8–10: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 11–14: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 15: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 16–17: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 18: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Sat, Dec 5, 2026 · round trip · return Dec 7: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 8–10: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 11–14: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 15: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 16–17: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 18–19: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Sun, Dec 6, 2026 · round trip · return Dec 8–10: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 11–14: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 15: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 16–17: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 18–20: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Mon, Dec 7, 2026 · round trip · return Dec 9–10: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 11–14: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 15: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 16–17: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 18–21: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Tue, Dec 8, 2026 · round trip · return Dec 10: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 11–14: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 15: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 16–17: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 18–21: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 22: Delta + KLM Royal Dutch Airlines $1,095, out: 1 stop via AMS, back: 1 stop via AMS · one-way: Delta $710, out: 1 stop via AMS
Wed, Dec 9, 2026 · round trip · return Dec 11–14: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 15: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 16–17: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 18–21: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 22: Delta + KLM Royal Dutch Airlines $1,095, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 23: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Thu, Dec 10, 2026 · round trip · return Dec 12–14: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 15: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 16–17: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 18–21: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 22: Delta + KLM Royal Dutch Airlines $1,095, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 23–24: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Fri, Dec 11, 2026 · round trip · return Dec 13–14: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 15: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 16–17: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 18–21: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 22: Delta + KLM Royal Dutch Airlines $1,095, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 23–25: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Sat, Dec 12, 2026 · round trip · return Dec 14: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 15: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 16–17: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 18–21: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 22: Delta + KLM Royal Dutch Airlines $1,095, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 23–26: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Sun, Dec 13, 2026 · round trip · return Dec 15: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 16–17: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 18–21: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 22: Delta + KLM Royal Dutch Airlines $1,095, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 23–27: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Mon, Dec 14, 2026 · round trip · return Dec 16–17: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 18–21: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 22: Delta + KLM Royal Dutch Airlines $1,095, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 23–28: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Tue, Dec 15, 2026 · round trip · return Dec 17: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 18–21: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 22: Delta + KLM Royal Dutch Airlines $1,095, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 23–28: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 29: Delta + KLM Royal Dutch Airlines $1,095, out: 1 stop via AMS, back: 1 stop via AMS · one-way: Delta $710, out: 1 stop via AMS
Wed, Dec 16, 2026 · round trip · return Dec 18–21: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 22: Delta + KLM Royal Dutch Airlines $1,095, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 23–28: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 29: Delta + KLM Royal Dutch Airlines $1,095, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 30: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Thu, Dec 17, 2026 · round trip · return Dec 19–21: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 22: Delta + KLM Royal Dutch Airlines $1,095, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 23–28: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 29: Delta + KLM Royal Dutch Airlines $1,095, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 30–31: Delta + British Airways $1,070, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Fri, Dec 18, 2026 · round trip · return Dec 20–21: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 22: Delta + KLM Royal Dutch Airlines $1,218.75, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 23–28: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 29: Delta + KLM Royal Dutch Airlines $1,218.75, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 30, 2026–Jan 1, 2027: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $887.50, out: 1 stop via AMS
Sat, Dec 19, 2026 · round trip · return Dec 21: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 22: Delta + KLM Royal Dutch Airlines $1,218.75, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 23–28: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 29: Delta + KLM Royal Dutch Airlines $1,218.75, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 30, 2026–Jan 2, 2027: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $887.50, out: 1 stop via AMS
Sun, Dec 20, 2026 · round trip · return Dec 22: Delta + KLM Royal Dutch Airlines $1,218.75, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 23–28: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 29: Delta + KLM Royal Dutch Airlines $1,218.75, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 30, 2026–Jan 3, 2027: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $887.50, out: 1 stop via AMS
Mon, Dec 21, 2026 · round trip · return Dec 23–28: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 29: Delta + KLM Royal Dutch Airlines $1,218.75, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 30, 2026–Jan 4, 2027: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $887.50, out: 1 stop via AMS
Tue, Dec 22, 2026 · round trip · return Dec 24–28: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 29: Delta + KLM Royal Dutch Airlines $1,218.75, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 30, 2026–Jan 4, 2027: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 5, 2027: Delta + KLM Royal Dutch Airlines $1,098.75, out: 1 stop via AMS, back: 1 stop via AMS · one-way: Delta $887.50, out: 1 stop via AMS
Wed, Dec 23, 2026 · round trip · return Dec 25–28: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 29: Delta + KLM Royal Dutch Airlines $1,218.75, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 30, 2026–Jan 4, 2027: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 5, 2027: Delta + KLM Royal Dutch Airlines $1,098.75, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 6, 2027: Delta + British Airways $1,078.75, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $887.50, out: 1 stop via AMS
Thu, Dec 24, 2026 · round trip · return Dec 26–28: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 29: Delta + KLM Royal Dutch Airlines $1,218.75, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 30, 2026–Jan 4, 2027: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 5, 2027: Delta + KLM Royal Dutch Airlines $1,098.75, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 6–7, 2027: Delta + British Airways $1,078.75, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $887.50, out: 1 stop via AMS
Fri, Dec 25, 2026 · round trip · return Dec 27–28: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 29: Delta + KLM Royal Dutch Airlines $1,218.75, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 30, 2026–Jan 4, 2027: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 5, 2027: Delta + KLM Royal Dutch Airlines $1,098.75, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 6–8, 2027: Delta + British Airways $1,078.75, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $887.50, out: 1 stop via AMS
Sat, Dec 26, 2026 · round trip · return Dec 28: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Dec 29: Delta + KLM Royal Dutch Airlines $1,218.75, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 30, 2026–Jan 4, 2027: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 5, 2027: Delta + KLM Royal Dutch Airlines $1,098.75, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 6–9, 2027: Delta + British Airways $1,078.75, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $887.50, out: 1 stop via AMS
Sun, Dec 27, 2026 · round trip · return Dec 29: Delta + KLM Royal Dutch Airlines $1,218.75, out: 1 stop via AMS, back: 1 stop via AMS; return Dec 30, 2026–Jan 4, 2027: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 5, 2027: Delta + KLM Royal Dutch Airlines $1,098.75, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 6–10, 2027: Delta + British Airways $1,078.75, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $887.50, out: 1 stop via AMS
Mon, Dec 28, 2026 · round trip · return Dec 30, 2026–Jan 4, 2027: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 5, 2027: Delta + KLM Royal Dutch Airlines $1,098.75, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 6–11, 2027: Delta + British Airways $1,078.75, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $887.50, out: 1 stop via AMS
Tue, Dec 29, 2026 · round trip · return Dec 31, 2026–Jan 4, 2027: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 5, 2027: Delta + KLM Royal Dutch Airlines $1,098.75, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 6–11, 2027: Delta + British Airways $1,078.75, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 12, 2027: Delta + KLM Royal Dutch Airlines $1,098.75, out: 1 stop via AMS, back: 1 stop via AMS · one-way: Delta $887.50, out: 1 stop via AMS
Wed, Dec 30, 2026 · round trip · return Jan 1–4, 2027: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 5, 2027: Delta + KLM Royal Dutch Airlines $1,098.75, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 6–11, 2027: Delta + British Airways $1,078.75, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 12, 2027: Delta + KLM Royal Dutch Airlines $1,098.75, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 13, 2027: Delta + British Airways $1,078.75, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $887.50, out: 1 stop via AMS
Thu, Dec 31, 2026 · round trip · return Jan 2–4, 2027: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 5, 2027: Delta + KLM Royal Dutch Airlines $1,098.75, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 6–11, 2027: Delta + British Airways $1,078.75, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 12, 2027: Delta + KLM Royal Dutch Airlines $1,098.75, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 13–14, 2027: Delta + British Airways $1,078.75, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $887.50, out: 1 stop via AMS
Seattle to Luxembourg flights in January 2027: price by departure date
SEA → LUX · USD · 1 adult · economy · published Oct 29, 2026
Fri, Jan 1, 2027 · round trip · return Jan 3–4: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 5: Delta + KLM Royal Dutch Airlines $1,098.75, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 6–11: Delta + British Airways $1,078.75, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 12: Delta + KLM Royal Dutch Airlines $1,098.75, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 13–15: Delta + British Airways $1,078.75, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $887.50, out: 1 stop via AMS
Sat, Jan 2, 2027 · round trip · return Jan 4: Delta + British Airways $1,193.75, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 5: Delta + KLM Royal Dutch Airlines $1,098.75, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 6–11: Delta + British Airways $1,078.75, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 12: Delta + KLM Royal Dutch Airlines $1,098.75, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 13–16: Delta + British Airways $1,078.75, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $887.50, out: 1 stop via AMS
Sun, Jan 3, 2027 · round trip · return Jan 5: Delta + KLM Royal Dutch Airlines $1,098.75, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 6–11: Delta + British Airways $1,078.75, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 12: Delta + KLM Royal Dutch Airlines $1,098.75, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 13–17: Delta + British Airways $1,078.75, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $887.50, out: 1 stop via AMS
Mon, Jan 4, 2027 · round trip · return Jan 6–11: Delta + British Airways $1,078.75, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 12: Delta + KLM Royal Dutch Airlines $1,098.75, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 13–18: Delta + British Airways $1,078.75, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $887.50, out: 1 stop via AMS
Tue, Jan 5, 2027 · round trip · return Jan 7–11: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 12: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 13–18: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 19: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS · one-way: Delta $710, out: 1 stop via AMS
Wed, Jan 6, 2027 · round trip · return Jan 8–11: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 12: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 13–18: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 19: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 20: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Thu, Jan 7, 2027 · round trip · return Jan 9–11: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 12: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 13–18: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 19: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 20–21: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Fri, Jan 8, 2027 · round trip · return Jan 10–11: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 12: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 13–18: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 19: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 20–22: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Sat, Jan 9, 2027 · round trip · return Jan 11: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 12: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 13–18: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 19: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 20–23: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Sun, Jan 10, 2027 · round trip · return Jan 12: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 13–18: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 19: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 20–24: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Mon, Jan 11, 2027 · round trip · return Jan 13–18: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 19: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 20–25: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Tue, Jan 12, 2027 · round trip · return Jan 14–18: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 19: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 20–25: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 26: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS · one-way: Delta $710, out: 1 stop via AMS
Wed, Jan 13, 2027 · round trip · return Jan 15–18: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 19: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 20–25: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 26: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 27: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Thu, Jan 14, 2027 · round trip · return Jan 16–18: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 19: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 20–25: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 26: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 27–28: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Fri, Jan 15, 2027 · round trip · return Jan 17–18: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 19: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 20–25: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 26: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 27–29: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Sat, Jan 16, 2027 · round trip · return Jan 18: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 19: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 20–25: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 26: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 27–30: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Sun, Jan 17, 2027 · round trip · return Jan 19: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 20–25: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 26: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 27–31: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Mon, Jan 18, 2027 · round trip · return Jan 20–25: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 26: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 27–Feb 1: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Tue, Jan 19, 2027 · round trip · return Jan 21–25: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 26: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 27–Feb 1: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 2: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS · one-way: Delta $710, out: 1 stop via AMS
Wed, Jan 20, 2027 · round trip · return Jan 22–25: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 26: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 27–Feb 1: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 2: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 3: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Thu, Jan 21, 2027 · round trip · return Jan 23–25: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 26: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 27–Feb 1: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 2: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 3–4: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Fri, Jan 22, 2027 · round trip · return Jan 24–25: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 26: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 27–Feb 1: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 2: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 3–5: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Sat, Jan 23, 2027 · round trip · return Jan 25: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Jan 26: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 27–Feb 1: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 2: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 3–6: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Sun, Jan 24, 2027 · round trip · return Jan 26: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Jan 27–Feb 1: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 2: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 3–7: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Mon, Jan 25, 2027 · round trip · return Jan 27–Feb 1: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 2: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 3–8: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Tue, Jan 26, 2027 · round trip · return Jan 28–Feb 1: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 2: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 3–8: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 9: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS · one-way: Delta $710, out: 1 stop via AMS
Wed, Jan 27, 2027 · round trip · return Jan 29–Feb 1: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 2: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 3–8: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 9: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 10: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Thu, Jan 28, 2027 · round trip · return Jan 30–Feb 1: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 2: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 3–8: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 9: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 10–11: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Fri, Jan 29, 2027 · round trip · return Jan 31–Feb 1: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 2: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 3–8: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 9: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 10–12: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Sat, Jan 30, 2027 · round trip · return Feb 1: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 2: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 3–8: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 9: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 10–13: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Sun, Jan 31, 2027 · round trip · return Feb 2: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 3–8: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 9: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 10–14: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Seattle to Luxembourg flights in February 2027: price by departure date
SEA → LUX · USD · 1 adult · economy · published Oct 29, 2026
Mon, Feb 1, 2027 · round trip · return Feb 3–8: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 9: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 10–15: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Tue, Feb 2, 2027 · round trip · return Feb 4–8: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 9: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 10–15: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 16: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS · one-way: Delta $710, out: 1 stop via AMS
Wed, Feb 3, 2027 · round trip · return Feb 5–8: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 9: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 10–15: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 16: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 17: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Thu, Feb 4, 2027 · round trip · return Feb 6–8: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 9: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 10–15: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 16: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 17–18: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Fri, Feb 5, 2027 · round trip · return Feb 7–8: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 9: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 10–15: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 16: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 17–19: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Sat, Feb 6, 2027 · round trip · return Feb 8: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 9: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 10–15: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 16: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 17–20: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Sun, Feb 7, 2027 · round trip · return Feb 9: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 10–15: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 16: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 17–21: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Mon, Feb 8, 2027 · round trip · return Feb 10–15: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 16: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 17–22: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Tue, Feb 9, 2027 · round trip · return Feb 11–15: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 16: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 17–22: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 23: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS · one-way: Delta $710, out: 1 stop via AMS
Wed, Feb 10, 2027 · round trip · return Feb 12–15: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 16: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 17–22: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 23: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 24: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Thu, Feb 11, 2027 · round trip · return Feb 13–15: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 16: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 17–22: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR; return Feb 23: Delta + KLM Royal Dutch Airlines $975, out: 1 stop via AMS, back: 1 stop via AMS; return Feb 24–25: Delta + British Airways $955, out: 1 stop via AMS, back: 1 stop via LHR · one-way: Delta $710, out: 1 stop via AMS
Why book Seattle to Luxembourg flights with Axel
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How we checked Seattle to Luxembourg prices
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Airports covered: SEA → LUX. Each example names its actual airports.
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Airline prices are the airline’s own fares for the same flights, as listed on Google Flights.
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Source: https://helloaxel.com/en/flights/from-seattle-sea-to-luxembourg-lux
Hotels in Luxembourg with Axel
Axel books the hotel too, at private rates shown beside the public rate for the same stay. Hotels in Luxembourg has the best recent deals, and a flight booked with Axel can make the hotel cheaper through the bundle.
Hotel details in Luxembourg: Novotel Luxembourg Kirchberg · ibis Luxembourg Aéroport · NH Luxembourg Airport · All 23 hotels in Luxembourg
Near LUX: Hotel Bel Air Sport & Wellness (Echternach) · Appart-Hotel Gwendy (Tuntange, Mersch)
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