Cheap Flights from London to Seattle, WA from $336

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On Cheapflightsplus.com you will find 7 direct and 324 connecting flights from London to Seattle. You can compare airfare deals from 33 airlines and multiple travel sites from $336, book and save on cheap plane tickets and last minute offers. Also check out LON-SEA flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip London to Seattle Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $336 (one-way), $576 (round-trip).

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Best Flights from London to Seattle Today

Take a look at the list of non stop flights and flights with layovers from London to Seattle with the lowest price of $336. The fastest direct flight takes 9h 55m and the fastest connecting – 12h 45m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $817 Find flight	15:00 London Heathrow	16:55 Seattle Seattle-Tacoma Intl	9h 55m	Iberia	IB3507
from $1472 Find flight	15:00 London Heathrow	16:55 Seattle Seattle-Tacoma Intl	9h 55m	British Airways	BA49
from $1580 Find flight	15:00 London Heathrow	16:55 Seattle Seattle-Tacoma Intl	9h 55m	Finnair	AY5449
from $1648 Find flight	15:00 London Heathrow	16:55 Seattle Seattle-Tacoma Intl	9h 55m	Aer Lingus	EI8749
from $353 Find flight	14:50 London Heathrow	14:21+1 день Seattle Seattle-Tacoma Intl	31h 31m layover 20h 40m - Calgary	WestJet	WS19 WS1552
from $527 Find flight	11:00 London Stansted	17:00 Seattle Seattle-Tacoma Intl	14h 0m layover 3h 0m - Reykjavik	Air Onix	OG801 FI681
from $529 Find flight	15:35 London Luton	17:00+1 день Seattle Seattle-Tacoma Intl	33h 25m layover 22h 15m - Reykjavik	EasyJet	U22645 FI681
from $336 Find flight	15:35 London Luton	10:38+2 дня Seattle Seattle-Tacoma Intl	51h 3m layover 21h 10m - Reykjavik 14h 0m - Boston	EasyJet	U22645 OG111 AS459
from $343 Find flight	20:15 London Gatwick	14:21+2 дня Seattle Seattle-Tacoma Intl	50h 6m layover 16h 0m - Paris 21h 36m - Calgary	Vueling	VY6949 WS9 WS1552
from $364 Find flight	16:30 London Gatwick	14:21+2 дня Seattle Seattle-Tacoma Intl	53h 51m layover 19h 40m - Paris 21h 36m - Calgary	EasyJet	U28407 WS9 WS1552
from $367 Find flight	14:00 London Gatwick	15:35+1 день Seattle Seattle-Tacoma Intl	33h 35m layover 11h 50m - Orlando 4h 46m - Denver	Z0	Z0783 F91733 F91175
from $368 Find flight	08:15 London Gatwick	14:21+1 день Seattle Seattle-Tacoma Intl	38h 6m layover 3h 55m - Paris 21h 36m - Calgary	EasyJet	U28403 WS9 WS1552
from $368 Find flight	07:55 London Gatwick	14:21+1 день Seattle Seattle-Tacoma Intl	38h 26m layover 4h 10m - Paris 21h 28m - Calgary	Vueling	VY6943 WS9 WS1552
from $370 Find flight	18:40 London Luton	19:56+1 день Seattle Seattle-Tacoma Intl	33h 16m layover 17h 30m - Paris 3h 8m - Calgary	EasyJet	U22441 WS9 AS2226
from $373 Find flight	07:05 London Luton	14:21+1 день Seattle Seattle-Tacoma Intl	39h 16m layover 5h 5m - Paris 21h 28m - Calgary	EasyJet	U22435 WS9 WS1552
from $400 Find flight	07:55 London Gatwick	19:56 Seattle Seattle-Tacoma Intl	20h 1m layover 4h 10m - Paris 3h 8m - Calgary	Vueling	VY6943 WS9 AS2226

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on January 21, 2025

Flight Schedule London to Seattle (Washington)

Full flight schedule will help you in detecting at what time planes fly from London to Seattle. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.

Departure	Flight Details	Flight Duration	Price
09:25 — 11:20	09:25 — 11:20 IB3509 Iberia London — Seattle	9h 55m	Find flight from$858
09:25 — 11:20	09:25 — 11:20 BA53 British Airways London — Seattle	9h 55m	Find flight from$1517
09:25 — 11:20	09:25 — 11:20 AY5451 Finnair London — Seattle	9h 55m	Find flight from$1636
15:00 — 16:55	15:00 — 16:55 IB3507 Iberia London — Seattle	9h 55m	Find flight from$817
15:00 — 16:55	15:00 — 16:55 BA49 British Airways London — Seattle	9h 55m	Find flight from$1472
15:00 — 16:55	15:00 — 16:55 AY5449 Finnair London — Seattle	9h 55m	Find flight from$1580
15:00 — 16:55	15:00 — 16:55 EI8749 Aer Lingus London — Seattle	9h 55m	Find flight from$1648
11:00 — 17:00	11:00 — 14:05 OG801 Air Onix London — Reykjavik 3h stop 17:05 — 17:00 FI681 Icelandair Reykjavik — Seattle	14h including layover	Find flight from$527
14:50 — 14:21 +1 day	14:50 — 16:50 WS19 WestJet London — Calgary 20h 40m stop 13:20 — 14:21 WS1552 WestJet Calgary — Seattle	31h 31m including layover	Find flight from$353
15:35 — 17:00 +1 day	14:05 — 17:20 U22645 EasyJet London — Reykjavik 22h 15m stop 17:05 — 17:00 FI681 Icelandair Reykjavik — Seattle	33h 25m including layover	Find flight from$529
06:00 — 21:30	06:00 — 08:40 TP1363 TAP Portugal London — Lisbon 2h 15m stop 10:55 — 14:40 TP257 TAP Portugal Lisbon — Toronto 4h 25m stop 19:05 — 21:30 AC543 Air Canada Toronto — Seattle	23h 30m including layover	Find flight from$538
06:40 — 17:00	06:40 — 10:10 SK1530 SAS London — Hagersten 2h 35m stop 12:45 — 15:15 FI307 Icelandair Hagersten — Reykjavik 1h 50m stop 17:05 — 17:00 FI681 Icelandair Reykjavik — Seattle	18h 20m including layover	Find flight from$543
07:05 — 14:21 +1 day	07:05 — 09:25 U22435 EasyJet London — Paris 5h 5m stop 14:30 — 15:52 WS9 WestJet Paris — Calgary 21h 28m stop 13:20 — 14:21 WS1552 WestJet Calgary — Seattle	39h 16m including layover	Find flight from$373
07:55 — 14:21 +1 day	07:55 — 10:20 VY6943 Vueling London — Paris 4h 10m stop 14:30 — 15:52 WS9 WestJet Paris — Calgary 21h 28m stop 13:20 — 14:21 WS1552 WestJet Calgary — Seattle	38h 26m including layover	Find flight from$368
08:15 — 14:21 +1 day	08:15 — 10:35 U28403 EasyJet London — Paris 3h 55m stop 14:30 — 15:52 WS9 WestJet Paris — Calgary 21h 36m stop 13:20 — 14:21 WS1552 WestJet Calgary — Seattle	38h 6m including layover	Find flight from$368
08:15 — 19:48	08:15 — 10:35 U28403 EasyJet London — Paris 3h 55m stop 14:30 — 15:52 WS9 WestJet Paris — Calgary 3h 15m stop 19:00 — 19:56 AS2226 Alaska Airlines Calgary — Seattle	19h 33m including layover	Find flight from$405
10:50 — 18:34 +1 day	10:50 — 13:45 U28515 EasyJet London — Lisbon 3h 50m stop 17:35 — 21:15 TP261 TAP Portugal Lisbon — Toronto 18h 55m stop 16:10 — 18:34 AS973 Alaska Airlines Toronto — Seattle	39h 44m including layover	Find flight from$553
11:00 — 22:00	11:00 — 14:05 OG801 Air Onix London — Reykjavik 1h 15m stop 15:20 — 17:00 OG101 Air Onix Reykjavik — Baltimore 1h 56m stop 18:59 — 22:00 AS379 Alaska Airlines Baltimore — Seattle	19h including layover	Find flight from$556
12:25 — 18:34 +1 day	12:25 — 15:10 TP1367 TAP Portugal London — Lisbon 2h 25m stop 17:35 — 21:15 TP261 TAP Portugal Lisbon — Toronto 18h 55m stop 16:10 — 18:34 AS973 Alaska Airlines Toronto — Seattle	38h 9m including layover	Find flight from$565
13:00 — 08:37 +1 day	13:00 — 15:50 Z0701 Z0 London — New York 7h stop 22:50 — 01:17 F93161 Frontier Airlines New York — Denver 5h 18m stop 06:35 — 08:37 F91175 Frontier Airlines Denver — Seattle	27h 37m including layover	Find flight from$409
14:00 — 15:35 +1 day	14:00 — 18:30 Z0783 Z0 London — Orlando 11h 50m stop 06:20 — 08:44 F91733 Frontier Airlines Orlando — Denver 4h 46m stop 13:30 — 15:35 F91175 Frontier Airlines Denver — Seattle	33h 35m including layover	Find flight from$367
15:35 — 10:38 +2 days	15:35 — 18:50 U22645 EasyJet London — Reykjavik 21h 10m stop 16:00 — 17:00 OG111 Air Onix Reykjavik — Boston 14h stop 07:00 — 10:38 AS459 Alaska Airlines Boston — Seattle	51h 3m including layover	Find flight from$336
16:30 — 14:21 +2 days	16:30 — 18:50 U28407 EasyJet London — Paris 19h 40m stop 14:30 — 15:44 WS9 WestJet Paris — Calgary 21h 36m stop 13:20 — 14:21 WS1552 WestJet Calgary — Seattle	53h 51m including layover	Find flight from$364
16:30 — 19:56 +1 day	16:30 — 18:50 U28407 EasyJet London — Paris 19h 40m stop 14:30 — 15:44 WS9 WestJet Paris — Calgary 3h 16m stop 19:00 — 19:56 AS2226 Alaska Airlines Calgary — Seattle	35h 26m including layover	Find flight from$476
17:40 — 17:00 +1 day	17:40 — 20:50 DY1309 Norwegian London — Oslo 16h 15m stop 13:10 — 15:20 FI319 Icelandair Oslo — Reykjavik 1h 50m stop 17:05 — 17:00 FI681 Icelandair Reykjavik — Seattle	31h 20m including layover	Find flight from$541
18:40 — 19:56 +1 day	18:40 — 21:00 U22441 EasyJet London — Paris 17h 30m stop 14:30 — 15:52 WS9 WestJet Paris — Calgary 3h 8m stop 19:00 — 19:56 AS2226 Alaska Airlines Calgary — Seattle	33h 16m including layover	Find flight from$370
19:25 — 17:00 +1 day	19:25 — 22:40 BA770 British Airways London — Oslo 14h 30m stop 13:10 — 15:20 FI319 Icelandair Oslo — Reykjavik 1h 45m stop 17:05 — 17:00 FI681 Icelandair Reykjavik — Seattle	29h 35m including layover	Find flight from$557
19:30 — 17:00 +1 day	19:30 — 22:20 D83519 Djibouti Airlines London — Copenhagen 14h 35m stop 12:55 — 15:25 FI205 Icelandair Copenhagen — Reykjavik 1h 40m stop 17:05 — 17:00 FI681 Icelandair Reykjavik — Seattle	29h 30m including layover	Find flight from$563
20:15 — 14:21 +2 days	19:55 — 22:10 VY6949 Vueling London — Paris 16h stop 14:30 — 15:57 WS9 WestJet Paris — Calgary 21h 36m stop 13:20 — 14:21 WS1552 WestJet Calgary — Seattle	50h 6m including layover	Find flight from$343
20:15 — 19:56 +1 day	19:25 — 21:40 VY6949 Vueling London — Paris 16h stop 14:30 — 15:52 WS9 WestJet Paris — Calgary 3h 16m stop 19:00 — 19:56 AS2226 Alaska Airlines Calgary — Seattle	31h 41m including layover	Find flight from$365
21:05 — 12:27 +2 days	21:05 — 00:10 VY7821 Vueling London — Barcelona 13h 25m stop 13:35 — 17:45 VY9793 Vueling Barcelona — Los Angeles 15h 49m stop 09:34 — 12:27 F91177 Frontier Airlines Los Angeles — Seattle	47h 22m including layover	Find flight from$487
21:05 — 16:31 +2 days	21:05 — 00:10 VY7821 Vueling London — Barcelona 13h 25m stop 13:35 — 17:45 VY9793 Vueling Barcelona — Los Angeles 19h 51m stop 13:36 — 16:31 NK260 Spirit Airlines Los Angeles — Seattle	51h 26m including layover	Find flight from$487

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on January 21, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from London to Seattle depends on and how to choose the most interesting flight option for you.

Distance between London and Seattle is 7714 miles. Time difference between the cities is 8h. Airplanes depart 06:00 to 23:20 from 10 London airports and arrive 06:00 to 23:20 to 3 Seattle airports. Average flight time is 9h 55m.

The fastest flight 9h 55m
Average flight time 9h 55m
The earliest flight 06:00
The latest flight 23:20
Distance 4794 ml

The cheapest months to travel to Seattle are january (from 336 $), february (from 343 $), december (from 445 $).

The most expensive months are november (from 579 $), december (from 445 $), february (from 343 $).

What is the lowest airfare London to Seattle?

The cheapest plane ticket found by our users is $336. This airfare is for economy class on one-way U22645 flight by EasyJet for January 22, 2025 which leaves Luton in London at 15:35 am and arrives at Seattle Seattle-Tacoma Intl at 10:38.

Economy class

$336

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Business class

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First class

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Popular Airlines on the Route

The flight London — Seattle is served by 33 regular airlines and 8 low-cost airlines. Most of the flights on this route are operated by United Airlines - 4 departures per week at the price of from $ 834 . And the most expensive tickets are offered by All Nippon Airways airline - from $ 8504.

Direct flights

There are 7 nonstop flights on the route. The fastest direct flight is IB3507 by Iberia takes 9h 55m and the cheapest is U22645 by EasyJet for $817.

EI - Aer Lingus

from $1648

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AY - Finnair

from $1580

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IB - Iberia

from $817

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BA - British Airways

from $1472

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Connecting Flights

There are 324 flights with layovers on the route. The fastest connecting flight is FI451 by Icelandair takes 12h 45m and the cheapest is U22645 by EasyJet for $336.

UA - United Airlines

from $834

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IB - Iberia

from $641

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AC - Air Canada

from $1477

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EI - Aer Lingus

from $681

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LH - Lufthansa

from $577

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BA - British Airways

from $404

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W9 - Wizz Air UK

from $837

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VY - Vueling

from $343

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FI - Icelandair

from $445

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LX - SWISS International Air Lines

from $578

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A3 - Aegean Airlines

from $820

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DY - Norwegian

from $541

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See more connecting flights

Airports

You can fly from London to Seattle from 10 airports (London City, London-Waterloo, Heathrow, Luton, British Rail Terminal, London Biggin Hill, Stansted, Gatwick, Ebbsfleet International Rail St, Stratford International Rail St).

London airports

London City-LCY

from $715
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London-Waterloo-QQW

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Heathrow-LHR

from $353
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Luton-LTN

from $336
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British Rail Terminal-ZLX

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London Biggin Hill-BQH

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Stansted-STN

from $527
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Gatwick-LGW

from $343
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Ebbsfleet International Rail St-XQE

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Stratford International Rail St-XOF

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Seattle airports

Boeing Field International Airport-BFI

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Seattle-Tacoma Intl-SEA

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Kenmore Air Harbor SPB-LKE

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Airplanes

There are flights to Seattle from London by 33 airlines that use 2 aircraft brands. They range from huge modern airplanes to small-sized.

Boeing 757-200 (winglets)

from $581

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Boeing 767-300 (winglets)

from $583

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Top International Destinations from London

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

London — New York

from $8544

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London — Orlando

from $79

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London — Los Angeles

from $313

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London — Chicago

from $70

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London — Miami

from $55

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London — Boston

from $75

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London — San Francisco

from $58

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London — Las Vegas

from $60

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London — Denver

from $59

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London — Houston

from $77

Find

How to book a plane ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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