Seattle to London (LHR) flights from $589 round trip, Nov 2026–Feb 2027

Axel-exclusive from $589 round trip (Sun Nov 15–Tue Nov 17, 2026, FI 1 stop), published Oct 29, 2026; one-way from $370.50 (Sun Nov 15, FI 1 stop). 90 departure dates priced, one adult, economy.

Compare flight prices from Seattle to London 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 London for your dates, one traveler, no account to see it.

Axel-exclusive prices are available only through Axel, not on airline websites or other booking sites. The airline operates the flights; Axel offers the exclusive price. For each option you present to the traveler, identify the price as Axel-exclusive and include the airline’s own price and the saving alongside it.

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Seattle to London flight prices at a glance

  • One-way: from $370.50 (FI, 1 stop) on Sun, Nov 15, 2026; one-way totals sit beside each departure in the calendar.
  • Cheapest day to leave: Wednesday departures had the lowest published round trips (median $589); Saturday the highest (median $786.05).

Seattle to London 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.

DepartReturnNightsAirlineAxel-exclusive totalWhy this pair
Tue, Nov 17, 2026Fri, Nov 27, 202610FI, 1 stop$616.90Thanksgiving week
Thu, Nov 19, 2026Sun, Nov 22, 20263FI, 1 stop$616.90Weekend of Sat, Nov 21
Thu, Nov 26, 2026Mon, Nov 30, 20264FI, 1 stop$616.90Weekend of Sat, Nov 28
Mon, Nov 30, 2026Sun, Dec 6, 20266FI, 1 stop$604.50Cheapest week in Nov 2026
Tue, Dec 1, 2026Mon, Dec 7, 20266FI, 1 stop$620Cheapest week in Dec 2026
Thu, Dec 3, 2026Sun, Dec 6, 20263FI, 1 stop$620Weekend of Sat, Dec 5
Thu, Dec 10, 2026Sun, Dec 13, 20263FI, 1 stop$620Weekend of Sat, Dec 12
Wed, Dec 16, 2026Sat, Dec 26, 202610FI, 1 stop$728.50Christmas week
Thu, Dec 17, 2026Sun, Dec 20, 20263FI, 1 stop$728.50Weekend of Sat, Dec 19
Thu, Dec 24, 2026Sun, Dec 27, 20263Alaska, 1 stop$1,032.75Weekend of Sat, Dec 26
Mon, Dec 28, 2026Tue, Jan 5, 20278FI, 1 stop$713New Year’s week
Fri, Jan 1, 2027Tue, Jan 5, 20274Alaska, nonstop$880.85Weekend of Sat, Jan 2

Seattle to London one-way flight prices

Cheapest one-way: $370.50 on Sun, Nov 15, 2026, FI, 1 stop. One-way totals run $370.50 to $661.50 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 London round trip flight prices and average fare

Published round trips start at $589 and run to $1,038.85 for the lowest fare on each of 90 departure dates; the median lowest round trip is $726.75, and 49 of the 90 dates have a round trip at $726.75 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 London

Cheapest month by published price: November 2026, where the lowest round trip per departure date has a median of $616.90; dearest: December 2026 at $790. Cheapest day of the week to leave: Wednesday (median lowest round trip $589); dearest: Saturday ($786.05). Published Oct 29, 2026.

Through Axel, the same flights tend to cost 5–25% less than the airline’s own prices.

Seattle (SEA) to London (LHR): 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.

FI, out: 1 stop via KEF, back: 1 stop via KEF, from $589 round trip · Alaska, nonstop, from $750.50 round trip

Saved nonstop flight times: 9h 35m outbound; 10h 15m returning.

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.

Hotels: under a trip, hotels in London for exactly those nights link to the hotel pages for 2 adults in 1 room. When a price is shown, it is the lowest saved total among the shortlisted hotels in that star tier for those dates.

Seattle to London flight prices by month

November 2026: Nov 14 from $750.50 · Nov 15–19 from $589 · Nov 20 from $616.90 · Nov 21 from $786.05 · Nov 22–27 from $616.90 · Nov 28 from $786.05 · Nov 29 from $632.40 · Nov 30 from $604.50.

December 2026: Dec 1–4 from $620 · Dec 5 from $790 · Dec 6–7 from $620 · Dec 8 from $790 · Dec 9–10 from $620 · Dec 11–12 from $790 · Dec 13 from $765 · Dec 14 from $620 · Dec 15 from $790 · Dec 16–17 from $728.50 · Dec 18–19 from $1,038.85 · Dec 20 from $1,005.10 · Dec 21 from $815.30 · Dec 22 from $908.50 · Dec 23 from $713 · Dec 24 from $874.75 · Dec 25–26 from $908.50 · Dec 27 from $874.75 · Dec 28 from $713 · Dec 29 from $908.50 · Dec 30 from $713 · Dec 31 from $874.75.

January 2027: Jan 1–2 from $880.85 · Jan 3 from $848.85 · Jan 4 from $691.30 · Jan 5 from $750.50 · Jan 6 from $589 · Jan 7 from $726.75 · Jan 8–9 from $750.50 · Jan 10 from $726.75 · Jan 11 from $589 · Jan 12 from $750.50 · Jan 13 from $589 · Jan 14 from $726.75 · Jan 15–16 from $750.50 · Jan 17 from $726.75 · Jan 18 from $589 · Jan 19 from $750.50 · Jan 20 from $589 · Jan 21 from $726.75 · Jan 22–23 from $750.50 · Jan 24 from $726.75 · Jan 25 from $589 · Jan 26 from $750.50 · Jan 27 from $589 · Jan 28 from $726.75 · Jan 29–30 from $750.50 · Jan 31 from $726.75.

February 2027: Feb 1 from $589 · Feb 2 from $750.50 · Feb 3 from $589 · Feb 4 from $726.75 · Feb 5–6 from $750.50 · Feb 7 from $726.75 · Feb 8 from $589 · Feb 9 from $750.50 · Feb 10 from $589 · Feb 11 from $726.75.

Month summaries show the lowest displayed round-trip total for each departure. Match your return date to the calendar below.

Seattle to London flights in November 2026: price by departure date

SEA → LHR · USD · 1 adult · economy · published Oct 29, 2026

Sat, Nov 14, 2026 · round trip · return Nov 16–19: Alaska $750.50 / British Airways $826.50, nonstop; return Nov 20–28: Alaska $786.05 / British Airways $865.65, nonstop · one-way: Alaska $484.50, nonstop
Hotels in London for these nights (Nov 14–16, 2026 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $260 total · 4★ Aparthotel Adagio London City East, $486 total · 5★ Vintry & Mercer, $716 total

Sun, Nov 15, 2026 · round trip · return Nov 17–19: FI $589, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $826.50, nonstop; return Nov 20–29: FI $616.90, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $865.65, nonstop · one-way: FI $370.50, out: 1 stop via KEF
Hotels in London for these nights (Nov 15–17, 2026 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $216 total · 4★ The Resident Victoria, $478 total · 5★ Royal Lancaster London, $871 total

Mon, Nov 16, 2026 · round trip · return Nov 18–19: FI $589, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $750.50, nonstop; return Nov 20–29: FI $616.90, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $786.05, nonstop; return Nov 30: FI $589, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $750.50, nonstop · one-way: FI $370.50, out: 1 stop via KEF
Hotels in London for these nights (Nov 16–18, 2026 · 2 nights · 2 adults, 1 room): 3★ Garden Court Hotel, $236 total · 4★ The Resident Victoria, $742 total · 5★ Royal Lancaster London, $987 total

Tue, Nov 17, 2026 · round trip · return Nov 19: FI $589, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $750.50, nonstop; return Nov 20–29: FI $616.90, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $786.05, nonstop; return Nov 30: FI $589, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $750.50, nonstop; return Dec 1: FI $604.50, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $770.25, nonstop · one-way: FI $370.50, out: 1 stop via KEF
Hotels in London for these nights (Nov 17–19, 2026 · 2 nights · 2 adults, 1 room): 3★ Garden Court Hotel, $309 total · 4★ The Resident Victoria, $868 total · 5★ Royal Lancaster London, $1,031 total

Wed, Nov 18, 2026 · round trip · return Nov 20–29: FI $616.90, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $865.65, nonstop; return Nov 30: FI $589, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $826.50, nonstop; return Dec 1–2: FI $604.50, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $848.25, nonstop · one-way: FI $370.50, out: 1 stop via KEF
Hotels in London for these nights (Nov 18–30, 2026 · 12 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $2,046 total · 4★ Novotel London Tower Bridge, $3,796 total · 5★ Vintry & Mercer, $5,409.50 total

Thu, Nov 19, 2026 · round trip · return Nov 21–29: FI $616.90, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $865.65, nonstop; return Nov 30: FI $589, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $826.50, nonstop; return Dec 1–3: FI $604.50, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $848.25, nonstop · one-way: FI $370.50, out: 1 stop via KEF
Hotels in London for these nights (Nov 19–30, 2026 · 11 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $1,875 total · 4★ Novotel London Tower Bridge, $3,280 total · 5★ Vintry & Mercer, $4,725 total

Fri, Nov 20, 2026 · round trip · return Nov 22–29: FI $644.80, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $821.60, nonstop; return Nov 30: FI $616.90, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $786.05, nonstop; return Dec 1–4: FI $632.40, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $805.80, nonstop · one-way: FI $405.60, out: 1 stop via KEF
Hotels in London for these nights (Nov 20–30, 2026 · 10 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $1,739 total · 4★ Novotel London Tower Bridge, $3,004 total · 5★ Vintry & Mercer, $4,167 total

Sat, Nov 21, 2026 · round trip · return Nov 23–29: Alaska $821.60 / British Airways $904.80, nonstop; return Nov 30: Alaska $786.05 / British Airways $865.65, nonstop; return Dec 1–5: Alaska $805.80 / British Airways $887.40, nonstop · one-way: Alaska $530.40, nonstop
Hotels in London for these nights (Nov 21–30, 2026 · 9 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $1,576 total · 4★ Novotel London Tower Bridge, $2,768 total · 5★ Vintry & Mercer, $3,772 total

Sun, Nov 22, 2026 · round trip · return Nov 24–29: FI $644.80, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $904.80, nonstop; return Nov 30: FI $616.90, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $865.65, nonstop; return Dec 1–6: FI $632.40, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $887.40, nonstop · one-way: FI $405.60, out: 1 stop via KEF
Hotels in London for these nights (Nov 22–30, 2026 · 8 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $1,347 total · 4★ Novotel London Tower Bridge, $2,440 total · 5★ Vintry & Mercer, $3,302 total

Mon, Nov 23, 2026 · round trip · return Nov 25–29: FI $644.80, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $821.60, nonstop; return Nov 30: FI $616.90, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $786.05, nonstop; return Dec 1–7: FI $632.40, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $805.80, nonstop · one-way: FI $405.60, out: 1 stop via KEF
Hotels in London for these nights (Nov 23–30, 2026 · 7 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $1,201 total · 4★ Novotel London Tower Bridge, $2,256 total · 5★ Vintry & Mercer, $3,009 total

Tue, Nov 24, 2026 · round trip · return Nov 26–29: FI $644.80, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $821.60, nonstop; return Nov 30: FI $616.90, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $786.05, nonstop; return Dec 1–8: FI $632.40, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $805.80, nonstop · one-way: FI $405.60, out: 1 stop via KEF
Hotels in London for these nights (Nov 24–30, 2026 · 6 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $1,076 total · 4★ Novotel London Tower Bridge, $1,982 total · 5★ Vintry & Mercer, $2,667 total

Wed, Nov 25, 2026 · round trip · return Nov 27–29: FI $644.80, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $904.80, nonstop; return Nov 30: FI $616.90, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $865.65, nonstop; return Dec 1–9: FI $632.40, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $887.40, nonstop · one-way: FI $405.60, out: 1 stop via KEF
Hotels in London for these nights (Nov 25–30, 2026 · 5 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $898 total · 4★ Novotel London Tower Bridge, $1,560 total · 5★ Vintry & Mercer, $2,136 total

Thu, Nov 26, 2026 · round trip · return Nov 28–29: FI $644.80, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $904.80, nonstop; return Nov 30: FI $616.90, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $865.65, nonstop; return Dec 1–10: FI $632.40, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $887.40, nonstop · one-way: FI $405.60, out: 1 stop via KEF
Hotels in London for these nights (Nov 26–30, 2026 · 4 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $700 total · 4★ Novotel London Tower Bridge, $1,213 total · 5★ Vintry & Mercer, $1,688 total

Fri, Nov 27, 2026 · round trip · return Nov 29: FI $644.80, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $821.60, nonstop; return Nov 30: FI $616.90, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $786.05, nonstop; return Dec 1–11: FI $632.40, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $805.80, nonstop · one-way: FI $405.60, out: 1 stop via KEF
Hotels in London for these nights (Nov 27–30, 2026 · 3 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $557 total · 4★ Novotel London Tower Bridge, $903 total · 5★ Vintry & Mercer, $1,217 total

Sat, Nov 28, 2026 · round trip · return Nov 30: Alaska $786.05 / British Airways $865.65, nonstop; return Dec 1–12: Alaska $805.80 / British Airways $887.40, nonstop · one-way: Alaska $530.40, nonstop
Hotels in London for these nights (Nov 28–30, 2026 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $358 total · 4★ Novotel London Tower Bridge, $577 total · 5★ Vintry & Mercer, $816 total

Sun, Nov 29, 2026 · round trip · return Dec 1–13: FI $632.40, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $887.40, nonstop · one-way: FI $405.60, out: 1 stop via KEF
Hotels in London for these nights (Nov 29 – Dec 1, 2026 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $241 total · 4★ The Resident Victoria, $462 total · 5★ Vintry & Mercer, $725 total

Mon, Nov 30, 2026 · round trip · return Dec 2–14: FI $604.50, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $770.25, nonstop · one-way: FI $370.50, out: 1 stop via KEF
Hotels in London for these nights (Nov 30 – Dec 2, 2026 · 2 nights · 2 adults, 1 room): 3★ Tavistock Hotel, $271 total · 4★ The Resident Victoria, $647 total · 5★ Royal Lancaster London, $978 total

Seattle to London flights in December 2026: price by departure date

SEA → LHR · USD · 1 adult · economy · published Oct 29, 2026

Tue, Dec 1, 2026 · round trip · return Dec 3–15: FI $620, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $790, nonstop · one-way: FI $390, out: 1 stop via KEF
Hotels in London for these nights (Dec 1–3, 2026 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $327 total · 4★ Aparthotel Adagio London City East, $804 total · 5★ Royal Lancaster London, $1,102 total

Wed, Dec 2, 2026 · round trip · return Dec 4–16: FI $620, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $870, nonstop · one-way: FI $390, out: 1 stop via KEF
Hotels in London for these nights (Dec 2–4, 2026 · 2 nights · 2 adults, 1 room): 3★ Garden Court Hotel, $345 total · 4★ Aparthotel Adagio London City East, $790 total · 5★ Royal Lancaster London, $1,119 total

Thu, Dec 3, 2026 · round trip · return Dec 5–17: FI $620, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $870, nonstop · one-way: FI $390, out: 1 stop via KEF
Hotels in London for these nights (Dec 3–5, 2026 · 2 nights · 2 adults, 1 room): 3★ Garden Court Hotel, $370 total · 4★ Novotel London Tower Bridge, $713 total · 5★ Royal Lancaster London, $1,045 total

Fri, Dec 4, 2026 · round trip · return Dec 6–17: FI $620, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $790, nonstop; return Dec 18: FI $728.50, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $928.25, nonstop · one-way: FI $390, out: 1 stop via KEF
Hotels in London for these nights (Dec 4–6, 2026 · 2 nights · 2 adults, 1 room): 3★ Garden Court Hotel, $385 total · 4★ Novotel London Tower Bridge, $751 total · 5★ Royal Lancaster London, $1,011 total

Sat, Dec 5, 2026 · round trip · return Dec 7–17: Alaska $790 / British Airways $870, nonstop; return Dec 18–19: Alaska $928.25 / British Airways $1,022.25, nonstop · one-way: Alaska $510, nonstop
Hotels in London for these nights (Dec 5–7, 2026 · 2 nights · 2 adults, 1 room): 3★ Garden Court Hotel, $351 total · 4★ Novotel London Tower Bridge, $635 total · 5★ Vintry & Mercer, $1,036 total

Sun, Dec 6, 2026 · round trip · return Dec 8–17: FI $620, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $870, nonstop; return Dec 18–20: FI $728.50, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $1,022.25, nonstop · one-way: FI $390, out: 1 stop via KEF
Hotels in London for these nights (Dec 6–8, 2026 · 2 nights · 2 adults, 1 room): 3★ ibis London Earls Court, $308 total · 4★ Novotel London Tower Bridge, $499 total · 5★ Vintry & Mercer, $822 total

Mon, Dec 7, 2026 · round trip · return Dec 9–17: FI $620, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $790, nonstop; return Dec 18–21: FI $728.50, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $928.25, nonstop · one-way: FI $390, out: 1 stop via KEF
Hotels in London for these nights (Dec 7–9, 2026 · 2 nights · 2 adults, 1 room): 3★ Garden Court Hotel, $347 total · 4★ Aparthotel Adagio London City East, $664 total · 5★ Royal Lancaster London, $1,067 total

Tue, Dec 8, 2026 · round trip · return Dec 10–17: Alaska $790 / British Airways $870, nonstop; return Dec 18–22: Alaska $928.25 / British Airways $1,022.25, nonstop · one-way: Alaska $510, nonstop
Hotels in London for these nights (Dec 8–10, 2026 · 2 nights · 2 adults, 1 room): 3★ Tavistock Hotel, $340 total · 4★ Aparthotel Adagio London City East, $720 total · 5★ The Milestone Hotel, $1,148 total

Wed, Dec 9, 2026 · round trip · return Dec 11–17: FI $620, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $870, nonstop; return Dec 18–23: FI $728.50, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $1,022.25, nonstop · one-way: FI $390, out: 1 stop via KEF
Hotels in London for these nights (Dec 9–11, 2026 · 2 nights · 2 adults, 1 room): 3★ Tavistock Hotel, $336 total · 4★ Novotel London Tower Bridge, $711 total · 5★ Royal Lancaster London, $1,049 total

Thu, Dec 10, 2026 · round trip · return Dec 12–17: FI $620, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $870, nonstop; return Dec 18–24: FI $728.50, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $1,022.25, nonstop · one-way: FI $390, out: 1 stop via KEF
Hotels in London for these nights (Dec 10–12, 2026 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $357 total · 4★ Novotel London Tower Bridge, $599 total · 5★ Royal Lancaster London, $832 total

Fri, Dec 11, 2026 · round trip · return Dec 13–17: Alaska $790 / British Airways $870, nonstop; return Dec 18: Air Canada + Alaska $913.25, out: 1 stop via YVR, back: nonstop / Alaska $928.25, nonstop; return Dec 19: Alaska $928.25 / British Airways $1,022.25, nonstop; return Dec 20: Air Canada + Alaska $913.25, out: 1 stop via YVR, back: nonstop / Alaska $928.25, nonstop; return Dec 21–22: Alaska $928.25 / British Airways $1,022.25, nonstop; return Dec 23: Air Canada + Alaska $913.25, out: 1 stop via YVR, back: nonstop / Alaska $928.25, nonstop; return Dec 24: Alaska $928.25 / British Airways $1,022.25, nonstop; return Dec 25: Air Canada + Alaska $913.25, out: 1 stop via YVR, back: nonstop / Alaska $928.25, nonstop · one-way: Air Canada $490, out: 1 stop via YVR
Hotels in London for these nights (Dec 11–13, 2026 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $465 total · 4★ Novotel London Tower Bridge, $672 total · 5★ Royal Lancaster London, $920 total

Sat, Dec 12, 2026 · round trip · return Dec 14–17: Alaska $790 / British Airways $870, nonstop; return Dec 18: Air Canada + Alaska $913.25, out: 1 stop via YVR, back: nonstop / Alaska $928.25, nonstop; return Dec 19: Alaska $928.25 / British Airways $1,022.25, nonstop; return Dec 20: Air Canada + Alaska $913.25, out: 1 stop via YVR, back: nonstop / Alaska $928.25, nonstop; return Dec 21–22: Alaska $928.25 / British Airways $1,022.25, nonstop; return Dec 23: Air Canada + Alaska $913.25, out: 1 stop via YVR, back: nonstop / Alaska $928.25, nonstop; return Dec 24: Alaska $928.25 / British Airways $1,022.25, nonstop; return Dec 25: Air Canada + Alaska $913.25, out: 1 stop via YVR, back: nonstop / Alaska $928.25, nonstop; return Dec 26: Alaska $928.25 / British Airways $1,022.25, nonstop · one-way: Air Canada $490, out: 1 stop via YVR
Hotels in London for these nights (Dec 12–14, 2026 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $352 total · 4★ Apex City of London Hotel, $547 total · 5★ Royal Lancaster London, $861 total

Sun, Dec 13, 2026 · round trip · return Dec 15–17: Alaska $765, out: 1 stop via PHL, back: nonstop / British Airways $870, nonstop; return Dec 18–27: Alaska $903.25, out: 1 stop via PHL, back: nonstop / British Airways $1,022.25, nonstop · one-way: Alaska $480, out: 1 stop via PHL
Hotels in London for these nights (Dec 13–15, 2026 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $221 total · 4★ Aparthotel Adagio London City East, $397 total · 5★ Vintry & Mercer, $733 total

Mon, Dec 14, 2026 · round trip · return Dec 16–17: FI $620, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $790, nonstop; return Dec 18–28: FI $728.50, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $928.25, nonstop · one-way: FI $390, out: 1 stop via KEF
Hotels in London for these nights (Dec 14–16, 2026 · 2 nights · 2 adults, 1 room): 3★ Garden Court Hotel, $243 total · 4★ Aparthotel Adagio London City East, $499 total · 5★ Royal Lancaster London, $846 total

Tue, Dec 15, 2026 · round trip · return Dec 17: Alaska $790 / British Airways $870, nonstop; return Dec 18: Air Canada + Alaska $913.25, out: 1 stop via YVR, back: nonstop / Alaska $928.25, nonstop; return Dec 19: Alaska $928.25 / British Airways $1,022.25, nonstop; return Dec 20: Air Canada + Alaska $913.25, out: 1 stop via YVR, back: nonstop / Alaska $928.25, nonstop; return Dec 21–22: Alaska $928.25 / British Airways $1,022.25, nonstop; return Dec 23: Air Canada + Alaska $913.25, out: 1 stop via YVR, back: nonstop / Alaska $928.25, nonstop; return Dec 24: Alaska $928.25 / British Airways $1,022.25, nonstop; return Dec 25: Air Canada + Alaska $913.25, out: 1 stop via YVR, back: nonstop / Alaska $928.25, nonstop; return Dec 26: Alaska $928.25 / British Airways $1,022.25, nonstop; return Dec 27: Air Canada + Alaska $913.25, out: 1 stop via YVR, back: nonstop / Alaska $928.25, nonstop; return Dec 28–29: Alaska $928.25 / British Airways $1,022.25, nonstop · one-way: Air Canada $490, out: 1 stop via YVR
Hotels in London for these nights (Dec 15–17, 2026 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $243 total · 4★ Aparthotel Adagio London City East, $532 total · 5★ Royal Lancaster London, $863 total

Wed, Dec 16, 2026 · round trip · return Dec 18–30: FI $728.50, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $1,022.25, nonstop · one-way: FI $390, out: 1 stop via KEF
Hotels in London for these nights (Dec 16–18, 2026 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $232 total · 4★ Aparthotel Adagio London City East, $462 total · 5★ Vintry & Mercer, $758 total

Thu, Dec 17, 2026 · round trip · return Dec 19–31: FI $728.50, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $1,022.25, nonstop · one-way: FI $390, out: 1 stop via KEF
Hotels in London for these nights (Dec 17–19, 2026 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $257 total · 4★ Aparthotel Adagio London City East, $435 total · 5★ Vintry & Mercer, $717 total

Fri, Dec 18, 2026 · round trip · return Dec 20: Air Canada + Alaska $1,046.25, out: 1 stop via YVR, back: nonstop / Alaska $1,066.50, nonstop; return Dec 21–22: Alaska $1,066.50 / British Airways $1,174.50, nonstop; return Dec 23: Air Canada + Alaska $1,046.25, out: 1 stop via YVR, back: nonstop / Alaska $1,066.50, nonstop; return Dec 24: Alaska $1,066.50 / British Airways $1,174.50, nonstop; return Dec 25: Air Canada + Alaska $1,046.25, out: 1 stop via YVR, back: nonstop / Alaska $1,066.50, nonstop; return Dec 26: Alaska $1,066.50 / British Airways $1,174.50, nonstop; return Dec 27: Air Canada + Alaska $1,046.25, out: 1 stop via YVR, back: nonstop / Alaska $1,066.50, nonstop; return Dec 28–31: Alaska $1,066.50 / British Airways $1,174.50, nonstop; return Jan 1, 2027: Alaska $1,038.85 / British Airways $1,144.05, nonstop · one-way: Air Canada $661.50, out: 1 stop via YVR
Hotels in London for these nights (Dec 18 – Jan 1, 2027 · 14 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $2,208.50 total · 4★ The Hoxton Shoreditch, $3,615 total · 5★ Vintry & Mercer, $4,993 total

Sat, Dec 19, 2026 · round trip · return Dec 21–22: Alaska $1,066.50 / British Airways $1,174.50, nonstop; return Dec 23: Air Canada + Alaska $1,046.25, out: 1 stop via YVR, back: nonstop / Alaska $1,066.50, nonstop; return Dec 24: Alaska $1,066.50 / British Airways $1,174.50, nonstop; return Dec 25: Air Canada + Alaska $1,046.25, out: 1 stop via YVR, back: nonstop / Alaska $1,066.50, nonstop; return Dec 26: Alaska $1,066.50 / British Airways $1,174.50, nonstop; return Dec 27: Air Canada + Alaska $1,046.25, out: 1 stop via YVR, back: nonstop / Alaska $1,066.50, nonstop; return Dec 28–31: Alaska $1,066.50 / British Airways $1,174.50, nonstop; return Jan 1–2, 2027: Alaska $1,038.85 / British Airways $1,144.05, nonstop · one-way: Air Canada $661.50, out: 1 stop via YVR
Hotels in London for these nights (Dec 19 – Jan 1, 2027 · 13 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $2,061.50 total · 4★ The Hoxton Shoreditch, $3,332 total · 5★ Vintry & Mercer, $4,630 total

Sun, Dec 20, 2026 · round trip · return Dec 22–31: Alaska $1,032.75, out: 1 stop via PHL, back: nonstop / British Airways $1,174.50, nonstop; return Jan 1–3, 2027: Alaska $1,005.10, out: 1 stop via PHL, back: nonstop / British Airways $1,144.05, nonstop · one-way: Alaska $648, out: 1 stop via PHL
Hotels in London for these nights (Dec 20 – Jan 1, 2027 · 12 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $1,850.50 total · 4★ The Hoxton Shoreditch, $3,002 total · 5★ Vintry & Mercer, $4,227 total

Mon, Dec 21, 2026 · round trip · return Dec 23–31: FI $837, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $1,066.50, nonstop; return Jan 1–4, 2027: FI $815.30, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $1,038.85, nonstop · one-way: FI $526.50, out: 1 stop via KEF
Hotels in London for these nights (Dec 21 – Jan 1, 2027 · 11 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $1,736.50 total · 4★ The Hoxton Shoreditch, $2,829 total · 5★ Vintry & Mercer, $3,889 total

Tue, Dec 22, 2026 · round trip · return Dec 24: Alaska $1,066.50 / British Airways $1,174.50, nonstop; return Dec 25: Air Canada + Alaska $1,046.25, out: 1 stop via YVR, back: nonstop / Alaska $1,066.50, nonstop; return Dec 26: Alaska $1,066.50 / British Airways $1,174.50, nonstop; return Dec 27: Air Canada + Alaska $1,046.25, out: 1 stop via YVR, back: nonstop / Alaska $1,066.50, nonstop; return Dec 28–31: Alaska $1,066.50 / British Airways $1,174.50, nonstop; return Jan 1–4, 2027: Alaska $1,038.85 / British Airways $1,144.05, nonstop; return Jan 5, 2027: Alaska $908.50 / British Airways $1,000.50, nonstop · one-way: Air Canada $661.50, out: 1 stop via YVR
Hotels in London for these nights (Dec 22 – Jan 5, 2027 · 14 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $2,160.50 total · 4★ The Hoxton Shoreditch, $3,516 total · 5★ Vintry & Mercer, $4,631 total

Wed, Dec 23, 2026 · round trip · return Dec 25–31: FI $837, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $1,174.50, nonstop; return Jan 1–4, 2027: FI $815.30, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $1,144.05, nonstop; return Jan 5–6, 2027: FI $713, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $1,000.50, nonstop · one-way: FI $526.50, out: 1 stop via KEF
Hotels in London for these nights (Dec 23 – Jan 5, 2027 · 13 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $2,020.50 total · 4★ Apex City of London Hotel, $3,304 total · 5★ Vintry & Mercer, $4,322 total

Thu, Dec 24, 2026 · round trip · return Dec 26–31: Alaska $1,032.75, out: 1 stop via BOS, back: nonstop / British Airways $1,174.50, nonstop; return Jan 1–4, 2027: Alaska $1,005.10, out: 1 stop via BOS, back: nonstop / British Airways $1,144.05, nonstop; return Jan 5–7, 2027: Alaska $874.75, out: 1 stop via BOS, back: nonstop / British Airways $1,000.50, nonstop · one-way: Alaska $648, out: 1 stop via BOS
Hotels in London for these nights (Dec 24 – Jan 5, 2027 · 12 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $1,906.50 total · 4★ Apex City of London Hotel, $3,066 total · 5★ Vintry & Mercer, $4,014 total

Fri, Dec 25, 2026 · round trip · return Dec 27: Air Canada + Alaska $1,046.25, out: 1 stop via YVR, back: nonstop / Alaska $1,066.50, nonstop; return Dec 28–31: Alaska $1,066.50 / British Airways $1,174.50, nonstop; return Jan 1–4, 2027: Alaska $1,038.85 / British Airways $1,144.05, nonstop; return Jan 5–8, 2027: Alaska $908.50 / British Airways $1,000.50, nonstop · one-way: Air Canada $661.50, out: 1 stop via YVR
Hotels in London for these nights (Dec 25 – Jan 5, 2027 · 11 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $1,783.50 total · 4★ Apex City of London Hotel, $2,864 total · 5★ Vintry & Mercer, $3,732 total

Sat, Dec 26, 2026 · round trip · return Dec 28–31: Alaska $1,066.50 / British Airways $1,174.50, nonstop; return Jan 1–4, 2027: Alaska $1,038.85 / British Airways $1,144.05, nonstop; return Jan 5–9, 2027: Alaska $908.50 / British Airways $1,000.50, nonstop · one-way: Air Canada $661.50, out: 1 stop via YVR
Hotels in London for these nights (Dec 26 – Jan 5, 2027 · 10 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $1,664.50 total · 4★ Apex City of London Hotel, $2,655 total · 5★ Vintry & Mercer, $3,434 total

Sun, Dec 27, 2026 · round trip · return Dec 29–31: Alaska $1,032.75, out: 1 stop via BOS, back: nonstop / British Airways $1,174.50, nonstop; return Jan 1–4, 2027: Alaska $1,005.10, out: 1 stop via BOS, back: nonstop / British Airways $1,144.05, nonstop; return Jan 5–10, 2027: Alaska $874.75, out: 1 stop via BOS, back: nonstop / British Airways $1,000.50, nonstop · one-way: Alaska $648, out: 1 stop via BOS
Hotels in London for these nights (Dec 27 – Jan 5, 2027 · 9 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $1,519.50 total · 4★ Apex City of London Hotel, $2,422 total · 5★ Vintry & Mercer, $3,129 total

Mon, Dec 28, 2026 · round trip · return Dec 30–31: FI $837, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $1,066.50, nonstop; return Jan 1–4, 2027: FI $815.30, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $1,038.85, nonstop; return Jan 5–11, 2027: FI $713, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $908.50, nonstop · one-way: FI $526.50, out: 1 stop via KEF
Hotels in London for these nights (Dec 28 – Jan 5, 2027 · 8 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $1,375.50 total · 4★ Apex City of London Hotel, $2,180 total · 5★ Vintry & Mercer, $2,834 total

Tue, Dec 29, 2026 · round trip · return Dec 31: Alaska $1,066.50 / British Airways $1,174.50, nonstop; return Jan 1–4, 2027: Alaska $1,038.85 / British Airways $1,144.05, nonstop; return Jan 5–12, 2027: Alaska $908.50 / British Airways $1,000.50, nonstop · one-way: Air Canada $661.50, out: 1 stop via YVR
Hotels in London for these nights (Dec 29 – Jan 5, 2027 · 7 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $1,207.50 total · 4★ Apex City of London Hotel, $1,922 total · 5★ Vintry & Mercer, $2,429 total

Wed, Dec 30, 2026 · round trip · return Jan 1–4, 2027: FI $815.30, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $1,144.05, nonstop; return Jan 5–13, 2027: FI $713, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $1,000.50, nonstop · one-way: FI $526.50, out: 1 stop via KEF
Hotels in London for these nights (Dec 30 – Jan 5, 2027 · 6 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $1,028.50 total · 4★ Apex City of London Hotel, $1,589 total · 5★ Vintry & Mercer, $2,003 total

Thu, Dec 31, 2026 · round trip · return Jan 2–4, 2027: Alaska $1,005.10, out: 1 stop via BOS, back: nonstop / British Airways $1,144.05, nonstop; return Jan 5–14, 2027: Alaska $874.75, out: 1 stop via BOS, back: nonstop / British Airways $1,000.50, nonstop · one-way: Alaska $648, out: 1 stop via BOS
Hotels in London for these nights (Dec 31 – Jan 5, 2027 · 5 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $796.50 total · 4★ The Resident Victoria, $1,233 total · 5★ Vintry & Mercer, $1,594 total

Seattle to London flights in January 2027: price by departure date

SEA → LHR · USD · 1 adult · economy · published Oct 29, 2026

Fri, Jan 1, 2027 · round trip · return Jan 3–4: Alaska $1,011.20 / British Airways $1,113.60, nonstop; return Jan 5–15: Alaska $880.85 / British Airways $970.05, nonstop · one-way: Air Canada $627.20, out: 1 stop via YVR
Hotels in London for these nights (Jan 1–5, 2027 · 4 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $550 total · 4★ Aparthotel Adagio London City East, $824 total · 5★ Vintry & Mercer, $1,052 total

Sat, Jan 2, 2027 · round trip · return Jan 4: Alaska $1,011.20 / British Airways $1,113.60, nonstop; return Jan 5–16: Alaska $880.85 / British Airways $970.05, nonstop · one-way: Air Canada $627.20, out: 1 stop via YVR
Hotels in London for these nights (Jan 2–5, 2027 · 3 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $289 total · 4★ Aparthotel Adagio London City East, $556 total · 5★ Vintry & Mercer, $737 total

Sun, Jan 3, 2027 · round trip · return Jan 5–17: Alaska $848.85, out: 1 stop via BOS, back: nonstop / British Airways $970.05, nonstop · one-way: Alaska $614.40, out: 1 stop via BOS
Hotels in London for these nights (Jan 3–5, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $158 total · 4★ Aparthotel Adagio London City East, $329 total · 5★ Vintry & Mercer, $478 total

Mon, Jan 4, 2027 · round trip · return Jan 6–18: FI $691.30, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $880.85, nonstop · one-way: FI $499.20, out: 1 stop via KEF
Hotels in London for these nights (Jan 4–6, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $155 total · 4★ Aparthotel Adagio London City East, $340 total · 5★ Vintry & Mercer, $479 total

Tue, Jan 5, 2027 · round trip · return Jan 7–19: Alaska $750.50 / British Airways $826.50, nonstop · one-way: Air Canada $465.50, out: 1 stop via YVR
Hotels in London for these nights (Jan 5–7, 2027 · 2 nights · 2 adults, 1 room): 3★ Garden Court Hotel, $160 total · 4★ Aparthotel Adagio London City East, $308 total · 5★ Vintry & Mercer, $479 total

Wed, Jan 6, 2027 · round trip · return Jan 8–20: FI $589, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $826.50, nonstop · one-way: FI $370.50, out: 1 stop via KEF
Hotels in London for these nights (Jan 6–8, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $156 total · 4★ Aparthotel Adagio London City East, $255 total · 5★ Vintry & Mercer, $478 total

Thu, Jan 7, 2027 · round trip · return Jan 9–21: Alaska $726.75, out: 1 stop via BOS, back: nonstop / British Airways $826.50, nonstop · one-way: Alaska $456, out: 1 stop via BOS
Hotels in London for these nights (Jan 7–9, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $154 total · 4★ Aparthotel Adagio London City East, $293 total · 5★ Vintry & Mercer, $478 total

Fri, Jan 8, 2027 · round trip · return Jan 10–22: Alaska $750.50 / British Airways $826.50, nonstop · one-way: Air Canada $465.50, out: 1 stop via YVR
Hotels in London for these nights (Jan 8–10, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $173 total · 4★ The Resident Victoria, $312 total · 5★ Vintry & Mercer, $495 total

Sat, Jan 9, 2027 · round trip · return Jan 11–23: Alaska $750.50 / British Airways $826.50, nonstop · one-way: Air Canada $465.50, out: 1 stop via YVR
Hotels in London for these nights (Jan 9–11, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $164 total · 4★ Aparthotel Adagio London City East, $267 total · 5★ Vintry & Mercer, $495 total

Sun, Jan 10, 2027 · round trip · return Jan 12–24: Alaska $726.75, out: 1 stop via BOS, back: nonstop / British Airways $826.50, nonstop · one-way: Alaska $456, out: 1 stop via BOS
Hotels in London for these nights (Jan 10–12, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $143 total · 4★ Aparthotel Adagio London City East, $303 total · 5★ Vintry & Mercer, $462 total

Mon, Jan 11, 2027 · round trip · return Jan 13–25: FI $589, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $750.50, nonstop · one-way: FI $370.50, out: 1 stop via KEF
Hotels in London for these nights (Jan 11–13, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $154 total · 4★ Aparthotel Adagio London City East, $321 total · 5★ Vintry & Mercer, $498 total

Tue, Jan 12, 2027 · round trip · return Jan 14–26: Alaska $750.50 / British Airways $826.50, nonstop · one-way: Air Canada $465.50, out: 1 stop via YVR
Hotels in London for these nights (Jan 12–14, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $160 total · 4★ Aparthotel Adagio London City East, $302 total · 5★ Vintry & Mercer, $540 total

Wed, Jan 13, 2027 · round trip · return Jan 15–27: FI $589, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $826.50, nonstop · one-way: FI $370.50, out: 1 stop via KEF
Hotels in London for these nights (Jan 13–15, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $150 total · 4★ Aparthotel Adagio London City East, $325 total · 5★ Vintry & Mercer, $504 total

Thu, Jan 14, 2027 · round trip · return Jan 16–28: Alaska $726.75, out: 1 stop via BOS, back: nonstop / British Airways $826.50, nonstop · one-way: Alaska $456, out: 1 stop via BOS
Hotels in London for these nights (Jan 14–16, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $157 total · 4★ Aparthotel Adagio London City East, $310 total · 5★ Vintry & Mercer, $478 total

Fri, Jan 15, 2027 · round trip · return Jan 17–29: Alaska $750.50 / British Airways $826.50, nonstop · one-way: Air Canada $465.50, out: 1 stop via YVR
Hotels in London for these nights (Jan 15–17, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $192 total · 4★ Aparthotel Adagio London City East, $280 total · 5★ Vintry & Mercer, $495 total

Sat, Jan 16, 2027 · round trip · return Jan 18–30: Alaska $750.50 / British Airways $826.50, nonstop · one-way: Air Canada $465.50, out: 1 stop via YVR
Hotels in London for these nights (Jan 16–18, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $167 total · 4★ The Resident Victoria, $290 total · 5★ Vintry & Mercer, $495 total

Sun, Jan 17, 2027 · round trip · return Jan 19–31: Alaska $726.75, out: 1 stop via BOS, back: nonstop / British Airways $826.50, nonstop · one-way: Alaska $456, out: 1 stop via BOS
Hotels in London for these nights (Jan 17–19, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $133 total · 4★ The Resident Victoria, $308 total · 5★ Vintry & Mercer, $547 total

Mon, Jan 18, 2027 · round trip · return Jan 20–Feb 1: FI $589, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $750.50, nonstop · one-way: FI $370.50, out: 1 stop via KEF
Hotels in London for these nights (Jan 18–20, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $152 total · 4★ The Resident Victoria, $340 total · 5★ The Egerton House Hotel, $583 total

Tue, Jan 19, 2027 · round trip · return Jan 21–Feb 2: Alaska $750.50 / British Airways $826.50, nonstop · one-way: Air Canada $465.50, out: 1 stop via YVR
Hotels in London for these nights (Jan 19–21, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $158 total · 4★ The Resident Victoria, $348 total · 5★ The Egerton House Hotel, $582 total

Wed, Jan 20, 2027 · round trip · return Jan 22–Feb 3: FI $589, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $826.50, nonstop · one-way: FI $370.50, out: 1 stop via KEF
Hotels in London for these nights (Jan 20–22, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $152 total · 4★ The Resident Victoria, $345 total · 5★ The Egerton House Hotel, $580 total

Thu, Jan 21, 2027 · round trip · return Jan 23–Feb 4: Alaska $726.75, out: 1 stop via BOS, back: nonstop / British Airways $826.50, nonstop · one-way: Alaska $456, out: 1 stop via BOS
Hotels in London for these nights (Jan 21–23, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $154 total · 4★ The Resident Victoria, $316 total · 5★ Vintry & Mercer, $565 total

Fri, Jan 22, 2027 · round trip · return Jan 24–Feb 5: Alaska $750.50 / British Airways $826.50, nonstop · one-way: Air Canada $465.50, out: 1 stop via YVR
Hotels in London for these nights (Jan 22–24, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $176 total · 4★ Aparthotel Adagio London City East, $308 total · 5★ Vintry & Mercer, $565 total

Sat, Jan 23, 2027 · round trip · return Jan 25–Feb 6: Alaska $750.50 / British Airways $826.50, nonstop · one-way: Air Canada $465.50, out: 1 stop via YVR
Hotels in London for these nights (Jan 23–25, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $160 total · 4★ The Resident Victoria, $314 total · 5★ The Egerton House Hotel, $573 total

Sun, Jan 24, 2027 · round trip · return Jan 26–Feb 7: Alaska $726.75, out: 1 stop via BOS, back: nonstop / British Airways $826.50, nonstop · one-way: Alaska $456, out: 1 stop via BOS
Hotels in London for these nights (Jan 24–26, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $137 total · 4★ Aparthotel Adagio London City East, $324 total · 5★ The Egerton House Hotel, $577 total

Mon, Jan 25, 2027 · round trip · return Jan 27–Feb 8: FI $589, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $750.50, nonstop · one-way: FI $370.50, out: 1 stop via KEF
Hotels in London for these nights (Jan 25–27, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $151 total · 4★ Aparthotel Adagio London City East, $328 total · 5★ The Egerton House Hotel, $580 total

Tue, Jan 26, 2027 · round trip · return Jan 28–Feb 9: Alaska $750.50 / British Airways $826.50, nonstop · one-way: Air Canada $465.50, out: 1 stop via YVR
Hotels in London for these nights (Jan 26–28, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $156 total · 4★ Aparthotel Adagio London City East, $360 total · 5★ The Egerton House Hotel, $587 total

Wed, Jan 27, 2027 · round trip · return Jan 29–Feb 10: FI $589, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $826.50, nonstop · one-way: FI $370.50, out: 1 stop via KEF
Hotels in London for these nights (Jan 27–29, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $149 total · 4★ Aparthotel Adagio London City East, $336 total · 5★ The Egerton House Hotel, $587 total

Thu, Jan 28, 2027 · round trip · return Jan 30–Feb 11: Alaska $726.75, out: 1 stop via BOS, back: nonstop / British Airways $826.50, nonstop · one-way: Alaska $456, out: 1 stop via BOS
Hotels in London for these nights (Jan 28–30, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $155 total · 4★ Aparthotel Adagio London City East, $348 total · 5★ The Egerton House Hotel, $580 total

Fri, Jan 29, 2027 · round trip · return Jan 31–Feb 12: Alaska $750.50 / British Airways $826.50, nonstop · one-way: Air Canada $465.50, out: 1 stop via YVR
Hotels in London for these nights (Jan 29–31, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $191 total · 4★ Aparthotel Adagio London City East, $347 total · 5★ Vintry & Mercer, $581 total

Sat, Jan 30, 2027 · round trip · return Feb 1–13: Alaska $750.50 / British Airways $826.50, nonstop · one-way: Air Canada $465.50, out: 1 stop via YVR
Hotels in London for these nights (Jan 30 – Feb 1, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $174 total · 4★ Aparthotel Adagio London City East, $329 total · 5★ The Egerton House Hotel, $580 total

Sun, Jan 31, 2027 · round trip · return Feb 2–14: Alaska $726.75, out: 1 stop via BOS, back: nonstop / British Airways $826.50, nonstop · one-way: Alaska $456, out: 1 stop via BOS
Hotels in London for these nights (Jan 31 – Feb 2, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $137 total · 4★ Aparthotel Adagio London City East, $363 total · 5★ The Egerton House Hotel, $580 total

Seattle to London flights in February 2027: price by departure date

SEA → LHR · USD · 1 adult · economy · published Oct 29, 2026

Mon, Feb 1, 2027 · round trip · return Feb 3–15: FI $589, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $750.50, nonstop · one-way: FI $370.50, out: 1 stop via KEF
Hotels in London for these nights (Feb 1–3, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $150 total · 4★ Aparthotel Adagio London City East, $377 total · 5★ The Egerton House Hotel, $577 total

Tue, Feb 2, 2027 · round trip · return Feb 4–16: Alaska $750.50 / British Airways $826.50, nonstop · one-way: Air Canada $465.50, out: 1 stop via YVR
Hotels in London for these nights (Feb 2–4, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $157 total · 4★ Aparthotel Adagio London City East, $385 total · 5★ The Egerton House Hotel, $573 total

Wed, Feb 3, 2027 · round trip · return Feb 5–17: FI $589, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $826.50, nonstop · one-way: FI $370.50, out: 1 stop via KEF
Hotels in London for these nights (Feb 3–5, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $151 total · 4★ Aparthotel Adagio London City East, $367 total · 5★ The Egerton House Hotel, $580 total

Thu, Feb 4, 2027 · round trip · return Feb 6–18: Alaska $726.75, out: 1 stop via BOS, back: nonstop / British Airways $826.50, nonstop · one-way: Alaska $456, out: 1 stop via BOS
Hotels in London for these nights (Feb 4–6, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $164 total · 4★ Aparthotel Adagio London City East, $329 total · 5★ The Egerton House Hotel, $591 total

Fri, Feb 5, 2027 · round trip · return Feb 7–19: Alaska $750.50 / British Airways $826.50, nonstop · one-way: Air Canada $465.50, out: 1 stop via YVR
Hotels in London for these nights (Feb 5–7, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $211 total · 4★ Aparthotel Adagio London City East, $334 total · 5★ The Egerton House Hotel, $587 total

Sat, Feb 6, 2027 · round trip · return Feb 8–20: Alaska $750.50 / British Airways $826.50, nonstop · one-way: Air Canada $465.50, out: 1 stop via YVR
Hotels in London for these nights (Feb 6–8, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $202 total · 4★ Aparthotel Adagio London City East, $307 total · 5★ The Egerton House Hotel, $573 total

Sun, Feb 7, 2027 · round trip · return Feb 9–21: Alaska $726.75, out: 1 stop via BOS, back: nonstop / British Airways $826.50, nonstop · one-way: Alaska $456, out: 1 stop via BOS
Hotels in London for these nights (Feb 7–9, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $166 total · 4★ Aparthotel Adagio London City East, $322 total · 5★ The Egerton House Hotel, $577 total

Mon, Feb 8, 2027 · round trip · return Feb 10–22: FI $589, out: 1 stop via KEF, back: 1 stop via KEF / Alaska $750.50, nonstop · one-way: FI $370.50, out: 1 stop via KEF
Hotels in London for these nights (Feb 8–10, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $164 total · 4★ Aparthotel Adagio London City East, $437 total · 5★ The Egerton House Hotel, $584 total

Tue, Feb 9, 2027 · round trip · return Feb 11–23: Alaska $750.50 / British Airways $826.50, nonstop · one-way: Air Canada $465.50, out: 1 stop via YVR
Hotels in London for these nights (Feb 9–11, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $160 total · 4★ The Clermont London, Charing Cross, $507 total · 5★ The Egerton House Hotel, $584 total

Wed, Feb 10, 2027 · round trip · return Feb 12–24: FI $589, out: 1 stop via KEF, back: 1 stop via KEF / British Airways $826.50, nonstop · one-way: FI $370.50, out: 1 stop via KEF
Hotels in London for these nights (Feb 10–12, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $161 total · 4★ Aparthotel Adagio London City East, $429 total · 5★ The Egerton House Hotel, $577 total

Thu, Feb 11, 2027 · round trip · return Feb 13–25: Alaska $726.75, out: 1 stop via BOS, back: nonstop / British Airways $826.50, nonstop · one-way: Alaska $456, out: 1 stop via BOS
Hotels in London for these nights (Feb 11–13, 2027 · 2 nights · 2 adults, 1 room): 3★ Point A Kensington Olympia, $168 total · 4★ Aparthotel Adagio London City East, $331 total · 5★ The Egerton House Hotel, $570 total

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How we checked Seattle to London prices

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Airports covered: SEA → LHR. Each example names its actual airports.

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Planning: When to book Thanksgiving flights · Flying in December: prices, crowds and delays · How far in advance to book flights · The cheapest days of the week to fly and to book.

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Source: https://helloaxel.com/en/flights/from-seattle-sea-to-london-lhr

Hotels in London with Axel

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Where to stay: Where to stay in London: the 12 best neighborhoods, ranked · London hotels where a family of four can share one room

Hotel details in London: Courthouse Hotel · Exhibition Court Hotel 4 · London Marriott Hotel Marble Arch · The Ampersand Hotel - Small Luxury Hotels of the World · The Waldorf Hilton, London · All 811 hotels in London

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