Seattle (SEA) to London (LHR), Jan 26–30, 2027: from $589 round trip

Seattle (SEA) to London (LHR), Jan 26–30, 2027: from $589 round trip on Axel, checked Oct 29, 2026. Lowest published fare: $589 round trip, Axel-exclusive, FI, 1 stop, Jan 26–30, 2027, 1 adult, economy, checked Oct 29, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.

Exact travel dates	Airline	Flights	Times, duration, stops	Total price	Price issued (UTC)
2027-01-26 → 2027-01-30	Alaska Airlines	AS100 / AS101	18:45:00→12:20:00 9h 35m nonstop · 14:45:00→17:00:00 10h 15m nonstop	Axel-exclusive $750.50	2026-10-29T01:15:29Z
2027-01-26 → 2027-01-30	British Airways	BA48 / BA49	18:45:00→12:10:00 9h 25m nonstop · 14:55:00→16:50:00 9h 55m nonstop	Axel-exclusive $826.50	2026-10-29T01:15:29Z
2027-01-26 → 2027-01-30	Delta Air Lines	DL20 / DL21	16:50:00→10:40:00 9h 50m nonstop · 12:20:00→14:45:00 10h 25m nonstop	Axel-exclusive $845.50	2026-10-29T01:15:29Z
2027-01-26 → 2027-01-30	FI	FI680 + FI450 / FI451 + FI681	14:35:00→10:50:00 12h 15m 1 stop via KEF · 12:15:00→17:00:00 12h 45m 1 stop via KEF	Axel-exclusive $589.00	2026-10-29T01:15:29Z
2027-01-26 → 2027-01-30	Air France	AF77 + AF1780 / AF1381 + AF76	16:05:00→13:45:00 13h 40m 1 stop via CDG · 06:20:00→13:50:00 15h 30m 1 stop via CDG	Axel-exclusive $769.50	2026-10-29T01:15:29Z
2027-01-26 → 2027-01-30	Air Canada / Delta Air Lines	AC8807 + AC860 / DL21	15:15:00→11:50:00 12h 35m 1 stop via YVR · 12:20:00→14:45:00 10h 25m nonstop	Axel-exclusive $783.75	2026-10-29T01:15:29Z
2027-01-26 → 2027-01-30	British Airways	BA52 / BA49	13:30:00→07:00:00 9h 30m nonstop · 14:55:00→16:50:00 9h 55m nonstop	Axel-exclusive $826.50	2026-10-29T01:15:29Z
2027-01-26 → 2027-01-30	Alaska Airlines	AS442 + BA66 / AS101	09:05:00→06:35:00 13h 30m 1 stop via PHL · 14:45:00→17:00:00 10h 15m nonstop	Axel-exclusive $726.75	2026-10-29T01:15:29Z
2027-01-26 → 2027-01-30	Alaska Airlines	AS385 + BA92 / AS101	08:31:00→05:50:00 13h 19m 1 stop via YYZ · 14:45:00→17:00:00 10h 15m nonstop	Axel-exclusive $726.75	2026-10-29T01:15:29Z
2027-01-26 → 2027-01-30	Alaska Airlines	AS460 + BA238 / AS101	21:20:00→19:00:00 13h 40m 1 stop via BOS · 14:45:00→17:00:00 10h 15m nonstop	Axel-exclusive $726.75	2026-10-29T01:15:29Z

Hotels in London for these trips

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.

Hotels in London for these nights (Jan 26–30, 2027 · 4 nights · 2 adults, 1 room): 3★ Ruby Zoe Hotel London by IHG · 4★ The Montague On The Gardens · 5★ Ham Yard Hotel, Firmdale Hotels

All hotels in London

Route overview: Seattle to London (LHR) flight deals

2027-01-26 → 2027-01-30 · Axel-exclusive $750.50

Alaska Airlines AS100: SEA 2027-01-26 18:45:00 → LHR 2027-01-27 12:20:00; nonstop; 575 minutes. Local airport times.
Alaska Airlines AS101: LHR 2027-01-30 14:45:00 → SEA 2027-01-30 17:00:00; nonstop; 615 minutes. Local airport times.

2027-01-26 → 2027-01-30 · Axel-exclusive $826.50

British Airways BA48: SEA 2027-01-26 18:45:00 → LHR 2027-01-27 12:10:00; nonstop; 565 minutes. Local airport times.
British Airways BA49: LHR 2027-01-30 14:55:00 → SEA 2027-01-30 16:50:00; nonstop; 595 minutes. Local airport times.

2027-01-26 → 2027-01-30 · Axel-exclusive $845.50

Delta Air Lines DL20: SEA 2027-01-26 16:50:00 → LHR 2027-01-27 10:40:00; nonstop; 590 minutes. Local airport times.
Delta Air Lines DL21: LHR 2027-01-30 12:20:00 → SEA 2027-01-30 14:45:00; nonstop; 625 minutes. Local airport times.

2027-01-26 → 2027-01-30 · Axel-exclusive $589.00

FI FI680 / FI450: SEA 2027-01-26 14:35:00 → LHR 2027-01-27 10:50:00; 1 stop(s) via KEF; 735 minutes. Local airport times.
- FI680: SEA 2027-01-26 14:35:00 → KEF 2027-01-27 06:15:00; layover at KEF: 80 minutes.
- FI450: KEF 2027-01-27 07:35:00 → LHR 2027-01-27 10:50:00.
FI FI451 / FI681: LHR 2027-01-30 12:15:00 → SEA 2027-01-30 17:00:00; 1 stop(s) via KEF; 765 minutes. Local airport times.
- FI451: LHR 2027-01-30 12:15:00 → KEF 2027-01-30 15:30:00; layover at KEF: 90 minutes.
- FI681: KEF 2027-01-30 17:00:00 → SEA 2027-01-30 17:00:00.

2027-01-26 → 2027-01-30 · Axel-exclusive $769.50

Air France AF77 / AF1780: SEA 2027-01-26 16:05:00 → LHR 2027-01-27 13:45:00; 1 stop(s) via CDG; 820 minutes. Local airport times.
- AF77: SEA 2027-01-26 16:05:00 → CDG 2027-01-27 10:50:00; layover at CDG: 145 minutes.
- AF1780: CDG 2027-01-27 13:15:00 → LHR 2027-01-27 13:45:00.
Air France AF1381 / AF76: LHR 2027-01-30 06:20:00 → SEA 2027-01-30 13:50:00; 1 stop(s) via CDG; 930 minutes. Local airport times.
- AF1381: LHR 2027-01-30 06:20:00 → CDG 2027-01-30 08:40:00; layover at CDG: 225 minutes.
- AF76: CDG 2027-01-30 12:25:00 → SEA 2027-01-30 13:50:00.

2027-01-26 → 2027-01-30 · Axel-exclusive $783.75

Air Canada AC8807 / AC860: SEA 2027-01-26 15:15:00 → LHR 2027-01-27 11:50:00; 1 stop(s) via YVR; 755 minutes. Local airport times.
- AC8807: SEA 2027-01-26 15:15:00 → YVR 2027-01-26 17:26:00; layover at YVR: 114 minutes.
- AC860: YVR 2027-01-26 19:20:00 → LHR 2027-01-27 11:50:00.
Delta Air Lines DL21: LHR 2027-01-30 12:20:00 → SEA 2027-01-30 14:45:00; nonstop; 625 minutes. Local airport times.

2027-01-26 → 2027-01-30 · Axel-exclusive $826.50

British Airways BA52: SEA 2027-01-26 13:30:00 → LHR 2027-01-27 07:00:00; nonstop; 570 minutes. Local airport times.
British Airways BA49: LHR 2027-01-30 14:55:00 → SEA 2027-01-30 16:50:00; nonstop; 595 minutes. Local airport times.

2027-01-26 → 2027-01-30 · Axel-exclusive $726.75

Alaska Airlines AS442 / BA66: SEA 2027-01-26 09:05:00 → LHR 2027-01-27 06:35:00; 1 stop(s) via PHL; 810 minutes. Local airport times.
- AS442: SEA 2027-01-26 09:05:00 → PHL 2027-01-26 17:08:00; layover at PHL: 87 minutes.
- BA66: PHL 2027-01-26 18:35:00 → LHR 2027-01-27 06:35:00.
Alaska Airlines AS101: LHR 2027-01-30 14:45:00 → SEA 2027-01-30 17:00:00; nonstop; 615 minutes. Local airport times.

2027-01-26 → 2027-01-30 · Axel-exclusive $726.75

Alaska Airlines AS385 / BA92: SEA 2027-01-26 08:31:00 → LHR 2027-01-27 05:50:00; 1 stop(s) via YYZ; 799 minutes. Local airport times.
- AS385: SEA 2027-01-26 08:31:00 → YYZ 2027-01-26 16:05:00; layover at YYZ: 95 minutes.
- BA92: YYZ 2027-01-26 17:40:00 → LHR 2027-01-27 05:50:00.
Alaska Airlines AS101: LHR 2027-01-30 14:45:00 → SEA 2027-01-30 17:00:00; nonstop; 615 minutes. Local airport times.

2027-01-26 → 2027-01-30 · Axel-exclusive $726.75

Alaska Airlines AS460 / BA238: SEA 2027-01-26 21:20:00 → LHR 2027-01-27 19:00:00; 1 stop(s) via BOS; 820 minutes. Local airport times.
- AS460: SEA 2027-01-26 21:20:00 → BOS 2027-01-27 05:40:00; layover at BOS: 110 minutes.
- BA238: BOS 2027-01-27 07:30:00 → LHR 2027-01-27 19:00:00.
Alaska Airlines AS101: LHR 2027-01-30 14:45:00 → SEA 2027-01-30 17:00:00; nonstop; 615 minutes. Local airport times.

Travelers: prices on this page are totals for 1 adult. For a different party, open this trip for 2 adults · 3 adults · 4 adults · 2 adults + 1 child · 2 adults + 2 children; each link opens AI flight search for these dates and those travelers, and the customer link to share comes from those results.

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This page: Seattle (SEA) to London (LHR) · Jan 26, 2027 · return Jan 30, 2027: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued. Under a trip, hotels in London for exactly those nights link to the hotel pages for 2 adults in 1 room. Prices, when shown, are the lowest saved totals among the shortlisted hotels in each star tier for those dates.
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