Cheap Flights from London to Seattle, WA from $381

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On Cheapflightsplus.com you will find 13 direct and 992 connecting flights from London to Seattle. You can compare airfare deals from 39 airlines and multiple travel sites from $381, 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: $381 (one-way), $653 (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 $381. The fastest direct flight takes 9h 45m and the fastest connecting – 12h 20m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $514 Find flight	09:50 London Heathrow	11:35 Seattle Seattle-Tacoma Intl	9h 45m	British Airways	BA53
from $525 Find flight	09:50 London Heathrow	11:35 Seattle Seattle-Tacoma Intl	9h 45m	Iberia	IB3509
from $560 Find flight	13:25 London Heathrow	15:45 Seattle Seattle-Tacoma Intl	10h 20m	Air France	AF9904
from $338 Find flight	10:55 London Gatwick	11:33+1 день Seattle Seattle-Tacoma Intl	32h 38m layover 18h 28m - Los Angeles	Z0	Z0711 F92175
from $410 Find flight	13:05 London Gatwick	19:01+1 день Seattle Seattle-Tacoma Intl	37h 56m layover 24h 5m - Newark	Z0	Z0701 HA4899
from $340 Find flight	10:45 London Gatwick	14:25+1 день Seattle Seattle-Tacoma Intl	35h 40m layover 16h 0m - Los Angeles 4h 21m - Las Vegas	Z0	Z0711 NK2683 NK2327
from $344 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

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 12, 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$514
09:50 — 11:35	09:50 — 11:35 IB3509 Iberia London — Seattle	9h 45m	Find flight from$525
09:50 — 11:35	09:50 — 11:35 AY5451 Finnair London — Seattle	9h 45m	Find flight from$986
10:45 — 14:25 +1 day	10:45 — 14:00 Z0711 Z0 London — Los Angeles 16h stop 06:00 — 07:19 NK2683 Spirit Airlines Los Angeles — Las Vegas 4h 21m stop 11:40 — 14:25 NK2327 Spirit Airlines Las Vegas — Seattle	35h 40m including layover	Find flight from$340
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$351
10:55 — 11:33 +1 day	10:55 — 14:10 Z0711 Z0 London — Los Angeles 18h 28m stop 08:39 — 11:46 F92175 Frontier Airlines Los Angeles — Seattle	32h 38m including layover	Find flight from$338
13:25 — 15:45	13:25 — 15:45 AF9904 Air France London — Seattle	10h 20m	Find flight from$560
13:25 — 15:45	13:25 — 15:45 KL4818 KLM London — Seattle	10h 20m	Find flight from$560
16:30 — 18:20	16:30 — 18:20 BA49 British Airways London — Seattle	9h 50m	Find flight from$525
16:30 — 18:20	16:30 — 18:20 IB3507 Iberia London — Seattle	9h 50m	Find flight from$988
17:25 — 19:45	17:25 — 19:45 KL6022 KLM London — Seattle	10h 20m	Find flight from$579
18:00 — 20:20	18:00 — 20:20 VS4036 Virgin Atlantic Airways London — Seattle	10h 20m	Find flight from$611
18:30 — 20:50	18:30 — 20:50 AF3586 Air France London — Seattle	10h 20m	Find flight from$579
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$344
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$351

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

*Departure and arrival times - local. Updated on September 12, 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

Popular Airlines on the Route

The flight London — Seattle is served by 39 regular airlines and 11 low-cost airlines. Most of the flights on this route are operated by Wizz Air UK - 7 departures per week at the price of from $ 418 . And the most expensive tickets are offered by Aer Lingus airline - from $ 1821.

Direct flights

There are 13 nonstop flights on the route. The fastest direct flight is BA53 by British Airways takes 9h 45m.

KL - KLM

from $560

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EI - Aer Lingus

from $1821

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AF - Air France

from $560

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AY - Finnair

from $986

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IB - Iberia

from $525

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VS - Virgin Atlantic Airways

from $611

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BA - British Airways

from $514

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Connecting Flights

There are 992 flights with layovers on the route. The fastest connecting flight is FR339 by Ryanair takes 12h 20m.

W9 - Wizz Air UK

from $418

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VY - Vueling

from $360

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FI - Icelandair

from $466

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BJ - Nouvelair Tunisie

from $759

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DN - Senegal Airlines

from $651

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FR - Ryanair

from $481

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LX - SWISS International Air Lines

from $482

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UA - United Airlines

from $745

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A1 - G2 Switch Works

from $767

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A3 - Aegean Airlines

from $494

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DY - Norwegian

from $497

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Z0 - Z0

from $338

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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 $583
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London-Waterloo-QQW

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Heathrow-LHR

from $446
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Luton-LTN

from $412
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British Rail Terminal-ZLX

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London Biggin Hill-BQH

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Stansted-STN

from $443
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Gatwick-LGW

from $338
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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 39 airlines that use 1 aircraft brands. They range from huge modern airplanes to small-sized.

Boeing 767-300 (winglets)

from $625

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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?

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.
To find a plane ticket, please select dates.