Cheap Flights from London to Seattle, WA from $361

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On Cheapflightsplus.com you will find 13 direct and 686 connecting flights from London to Seattle. You can compare airfare deals from 38 airlines and multiple travel sites from $361, 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: $361 (one-way), $619 (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 $361. The fastest direct flight takes 9h 45m and the fastest connecting – 12h 20m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $506 Find flight	16:30 London Heathrow	18:20 Seattle Seattle-Tacoma Intl	9h 50m	British Airways	BA49
from $551 Find flight	09:50 London Heathrow	11:35 Seattle Seattle-Tacoma Intl	9h 45m	Iberia	IB3509
from $588 Find flight	13:25 London Heathrow	15:45 Seattle Seattle-Tacoma Intl	10h 20m	Air France	AF9904
from $588 Find flight	13:25 London Heathrow	15:45 Seattle Seattle-Tacoma Intl	10h 20m	KLM	KL4818
from $641 Find flight	18:00 London Heathrow	20:20 Seattle Seattle-Tacoma Intl	10h 20m	Virgin Atlantic Airways	VS4036
from $1034 Find flight	09:50 London Heathrow	11:35 Seattle Seattle-Tacoma Intl	9h 45m	Finnair	AY5451
from $1036 Find flight	16:30 London Heathrow	18:20 Seattle Seattle-Tacoma Intl	9h 50m	Iberia	IB3507
from $1083 Find flight	09:50 London Heathrow	11:35 Seattle Seattle-Tacoma Intl	9h 45m	Aer Lingus	EI8753
from $1884 Find flight	13:25 London Heathrow	15:45 Seattle Seattle-Tacoma Intl	10h 20m	Virgin Atlantic Airways	VS105
from $368 Find flight	10:45 London Gatwick	16:50+1 день Seattle Seattle-Tacoma Intl	38h 5m layover 24h 3m - Los Angeles	Z0	Z0711 HA6197
from $451 Find flight	13:05 London Gatwick	22:32 Seattle Seattle-Tacoma Intl	17h 27m layover 3h 34m - Newark	Z0	Z0701 HA4813
from $492 Find flight	13:10 London Heathrow	20:02 Seattle Seattle-Tacoma Intl	14h 52m layover 1h 36m - Chicago	British Airways	BA299 BA5316
from $361 Find flight	21:20 London Gatwick	08:53+2 дня Seattle Seattle-Tacoma Intl	43h 33m layover 10h 40m - Rome 14h 45m - Los Angeles	Aero Services Executive	W46004 N0411 AS1293
from $399 Find flight	19:40 London Gatwick	08:54+2 дня Seattle Seattle-Tacoma Intl	45h 14m layover 18h 35m - Paris 10h 55m - Los Angeles	Vueling	VY8945 N0311 HA6202
from $416 Find flight	14:40 London Gatwick	20:35+1 день Seattle Seattle-Tacoma Intl	37h 55m layover 3h 10m - Paris 19h 15m - Newark	Vueling	VY8947 N0301 HA4901
from $438 Find flight	07:25 London Gatwick	10:29+1 день Seattle Seattle-Tacoma Intl	35h 4m layover 7h 50m - Barcelona 9h 40m - New York	Vueling	VY6008 VY9797 HA4991

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on July 13, 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
09:50 — 11:35	09:50 — 11:35 BA53 British Airways London — Seattle	9h 45m	Find flight from$526
09:50 — 11:35	09:50 — 11:35 IB3509 Iberia London — Seattle	9h 45m	Find flight from$551
09:50 — 11:35	09:50 — 11:35 AY5451 Finnair London — Seattle	9h 45m	Find flight from$1034
09:50 — 11:35	09:50 — 11:35 EI8753 Aer Lingus London — Seattle	9h 45m	Find flight from$1083
13:25 — 15:45	13:25 — 15:45 AF9904 Air France London — Seattle	10h 20m	Find flight from$588
13:25 — 15:45	13:25 — 15:45 KL4818 KLM London — Seattle	10h 20m	Find flight from$588
13:25 — 15:45	13:25 — 15:45 VS105 Virgin Atlantic Airways London — Seattle	10h 20m	Find flight from$1884
16:30 — 18:20	16:30 — 18:20 BA49 British Airways London — Seattle	9h 50m	Find flight from$506
16:30 — 18:20	16:30 — 18:20 IB3507 Iberia London — Seattle	9h 50m	Find flight from$1036
16:30 — 18:20	16:30 — 18:20 AY5449 Finnair London — Seattle	9h 50m	Find flight from$1045
17:25 — 19:45	17:25 — 19:45 KL6022 KLM London — Seattle	10h 20m	Find flight from$608
18:00 — 20:20	18:00 — 20:20 VS4036 Virgin Atlantic Airways London — Seattle	10h 20m	Find flight from$641
18:30 — 20:50	18:30 — 20:50 AF3586 Air France London — Seattle	10h 20m	Find flight from$608
10:45 — 16:50 +1 day	10:55 — 14:10 Z0711 Z0 London — Los Angeles 24h 3m stop 15:05 — 17:56 HA6197 Hawaiian Airlines Los Angeles — Seattle	38h 5m including layover	Find flight from$368
10:45 — 16:50 +1 day	10:45 — 14:00 Z0711 Z0 London — Los Angeles 24h 3m stop 13:58 — 16:53 AS1083 Alaska Airlines Los Angeles — Seattle	38h 5m including layover	Find flight from$373
12:00 — 17:50	12:10 — 13:35 EI159 Aer Lingus London — Dublin 2h 45m stop 16:30 — 18:15 EI53 Aer Lingus Dublin — Seattle	13h 50m including layover	Find flight from$499
06:15 — 18:38	06:50 — 08:55 U22635 EasyJet London — Reykjavik 1h 15m stop 09:35 — 10:35 WS39 WestJet Reykjavik — Calgary 7h 10m stop 17:45 — 18:37 WS1552 WestJet Calgary — Seattle	20h 23m including layover	Find flight from$498
06:40 — 16:00	06:40 — 09:30 SK500 SAS London — Copenhagen 2h 55m stop 12:25 — 14:55 AY966 Finnair Copenhagen — Helsinki 1h 25m stop 16:20 — 16:00 AY33 Finnair Helsinki — Seattle	17h 20m including layover	Find flight from$493
07:25 — 10:29 +1 day	07:25 — 10:40 VY6008 Vueling London — Barcelona 7h 50m stop 18:30 — 21:40 VY9797 Vueling Barcelona — New York 9h 40m stop 07:20 — 10:29 HA4991 Hawaiian Airlines New York — Seattle	35h 4m including layover	Find flight from$438
07:25 — 10:22 +1 day	07:25 — 10:40 VY6008 Vueling London — Barcelona 7h 50m stop 18:30 — 21:40 VY9797 Vueling Barcelona — Newark 9h 39m stop 07:19 — 10:22 HA4900 Hawaiian Airlines Newark — Seattle	34h 57m including layover	Find flight from$466
13:05 — 08:54 +1 day	13:05 — 15:55 Z0701 Z0 London — Newark 4h 4m stop 19:59 — 22:58 AS287 Alaska Airlines Newark — Los Angeles 7h 2m stop 06:00 — 08:54 AS1293 Alaska Airlines Los Angeles — Seattle	27h 49m including layover	Find flight from$446
13:55 — 19:32 +1 day	13:55 — 19:45 W95747 Wizz Air UK London — Athens 14h stop 09:45 — 13:15 N0511 N0 Athens — Los Angeles 3h 26m stop 16:41 — 19:32 F91177 Frontier Airlines Los Angeles — Seattle	37h 37m including layover	Find flight from$438
14:40 — 20:35 +1 day	14:40 — 17:05 VY8947 Vueling London — Paris 3h 10m stop 20:15 — 22:15 N0301 N0 Paris — Newark 19h 15m stop 17:30 — 20:35 HA4901 Hawaiian Airlines Newark — Seattle	37h 55m including layover	Find flight from$416
14:40 — 19:54 +1 day	14:40 — 17:05 VY8947 Vueling London — Paris 3h 10m stop 20:15 — 22:15 N0301 N0 Paris — New York 18h 25m stop 16:40 — 19:54 HA4926 Hawaiian Airlines New York — Seattle	37h 14m including layover	Find flight from$438
17:30 — 17:50 +1 day	17:30 — 20:15 U28473 EasyJet London — Zurich 15h stop 11:15 — 12:35 EI343 Aer Lingus Zurich — Dublin 3h 35m stop 16:10 — 17:50 EI53 Aer Lingus Dublin — Seattle	32h 20m including layover	Find flight from$479
19:40 — 08:54 +2 days	19:40 — 22:05 VY8945 Vueling London — Paris 18h 35m stop 16:40 — 19:05 N0311 N0 Paris — Los Angeles 10h 55m stop 06:00 — 08:54 HA6202 Hawaiian Airlines Los Angeles — Seattle	45h 14m including layover	Find flight from$399
19:50 — 09:55 +2 days	19:50 — 22:15 VY8945 Vueling London — Paris 16h 35m stop 14:50 — 17:30 BF730 Bluebird Cargo Paris — Los Angeles 13h 30m stop 07:00 — 09:55 HA6194 Hawaiian Airlines Los Angeles — Seattle	46h 5m including layover	Find flight from$420
21:20 — 08:53 +2 days	21:20 — 00:55 W46004 Aero Services Executive London — Rome 10h 40m stop 11:35 — 15:15 N0411 N0 Rome — Los Angeles 14h 45m stop 06:00 — 08:53 AS1293 Alaska Airlines Los Angeles — Seattle	43h 33m including layover	Find flight from$361
21:20 — 23:59 +1 day	21:20 — 00:55 W46004 Aero Services Executive London — Rome 10h 40m stop 11:35 — 15:15 N0411 N0 Rome — Los Angeles 5h 55m stop 21:10 — 23:59 HA4960 Hawaiian Airlines Los Angeles — Seattle	34h 39m including layover	Find flight from$368

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

*Departure and arrival times - local. Updated on July 13, 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 23:10 from 10 London airports and arrive 06:00 to 23:10 to 3 Seattle airports. Average flight time is 9h 50m.

The fastest flight 9h 45m
Average flight time 9h 50m
The earliest flight 06:00
The latest flight 23:10
Distance 4794 ml

The cheapest months to travel to Seattle are august (from 361 $), may (from 393 $), june (from 395 $).

The most expensive months are november (from 868 $), february (from 794 $), december (from 794 $).

What is the lowest airfare London to Seattle?

The cheapest plane ticket found by our users is $361. This airfare is for economy class on one-way W46004 flight by Aero Services Executive for August 28, 2025 which leaves Gatwick in London at 21:20 am and arrives at Seattle Seattle-Tacoma Intl at 08:53.

Economy class

$361

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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 38 regular airlines and 10 low-cost airlines. Most of the flights on this route are operated by British Airways - 84 departures per week at the price of from $ 492 . And the most expensive tickets are offered by SAS airline - from $ 2359.

Direct flights

There are 13 nonstop flights on the route. The fastest direct flight is BA53 by British Airways takes 9h 45m and the cheapest is W46004 by Aero Services Executive for $506.

BA - British Airways

from $506

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KL - KLM

from $588

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EI - Aer Lingus

from $1083

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AF - Air France

from $588

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AY - Finnair

from $1034

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IB - Iberia

from $551

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VS - Virgin Atlantic Airways

from $641

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See more direct flights

Connecting Flights

There are 686 flights with layovers on the route. The fastest connecting flight is FR287 by Ryanair takes 12h 20m and the cheapest is W46004 by Aero Services Executive for $361.

BA - British Airways

from $492

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W9 - Wizz Air UK

from $438

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VY - Vueling

from $399

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FI - Icelandair

from $488

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DN - Senegal Airlines

from $713

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FR - Ryanair

from $504

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LX - SWISS International Air Lines

from $505

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UA - United Airlines

from $781

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A1 - G2 Switch Works

from $804

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A3 - Aegean Airlines

from $521

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DY - Norwegian

from $522

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Z0 - Z0

from $368

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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 $599
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London-Waterloo-QQW

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Heathrow-LHR

from $487
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Luton-LTN

from $498
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British Rail Terminal-ZLX

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London Biggin Hill-BQH

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Stansted-STN

from $499
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Gatwick-LGW

from $361
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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 38 airlines that use 1 aircraft brands. They range from huge modern airplanes to small-sized.

Boeing 767-300 (winglets)

from $655

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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 — Miami

from $55

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London — Boston

from $75

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London — Los Angeles

from $313

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London — Chicago

from $70

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London — Las Vegas

from $60

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London — Orlando

from $79

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London — Seattle

from $57

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London — San Francisco

from $58

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London — Atlanta

from $69

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London — Denver

from $59

Find

How to book a plane ticket yourself?

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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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