Cheap Flights from London to Seattle, WA from $262

Return flight: Seattle – London

On Cheapflightsplus.com you will find 13 direct and 880 connecting flights from London to Seattle. You can compare airfare deals from 38 airlines and multiple travel sites from $262, 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: $262 (one-way), $449 (round-trip).
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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 Arrival Flight Details Flight Duration Price
09:25 — 11:10
09:25 — 11:10 BA53 British Airways
London — Seattle
9h 45m
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from$388
09:25 — 11:10
09:25 — 11:10 IB3509 Iberia
London — Seattle
9h 45m
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from$406
09:50 — 11:35
09:50 — 11:35 AY5451 Finnair
London — Seattle
9h 45m
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from$773
09:50 — 11:35
09:50 — 11:35 EI8753 Aer Lingus
London — Seattle
9h 45m
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from$800
13:25 — 15:45
13:25 — 15:45 AF9904 Air France
London — Seattle
10h 20m
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from$434
13:25 — 15:45
13:25 — 15:45 KL4818 KLM
London — Seattle
10h 20m
Find flight
from$434
13:25 — 15:45
13:25 — 15:45 VS105 Virgin Atlantic Airways
London — Seattle
10h 20m
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from$1391
16:30 — 18:20
16:30 — 18:20 BA49 British Airways
London — Seattle
9h 50m
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from$373
16:30 — 18:20
16:30 — 18:20 IB3507 Iberia
London — Seattle
9h 50m
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from$765
16:30 — 18:20
16:30 — 18:20 AY5449 Finnair
London — Seattle
9h 50m
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from$771
17:25 — 19:45
17:25 — 19:45 KL6022 KLM
London — Seattle
10h 20m
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from$448
18:00 — 20:20
18:00 — 20:20 VS4036 Virgin Atlantic Airways
London — Seattle
10h 20m
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from$473
18:30 — 20:50
18:30 — 20:50 AF3586 Air France
London — Seattle
10h 20m
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from$448
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
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from$262
13:05 — 19:01
+1 day
13:05 — 15:55 Z0701 Z0
London — Newark
24h 5m stop
16:00 — 19:01 HA4899 Hawaiian Airlines
Newark — Seattle
37h 56m
including layover
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from$317
13:05 — 19:01
+1 day
13:05 — 15:55 Z0701 Z0
London — Newark
24h 5m stop
16:00 — 19:01 AS283 Alaska Airlines
Newark — Seattle
37h 56m
including layover
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from$321
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
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from$323
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
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from$263
14:00 — 00:34
+2 days
14:00 — 18:25 Z0783 Z0
London — Orlando
11h 35m stop
06:00 — 08:18 F91733 Frontier Airlines
Orlando — Denver
14h 30m stop
22:29 — 00:37 F93405 Frontier Airlines
Denver — Seattle
42h 34m
including layover
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from$311
14:30 — 19:01
+1 day
14:30 — 16:50 U22435 EasyJet
London — Paris
3h 25m stop
20:15 — 22:15 N0301 N0
Paris — Newark
17h 45m stop
16:00 — 19:01 HA4899 Hawaiian Airlines
Newark — Seattle
36h 31m
including layover
Find flight
from$318
19:40 — 11:33
+2 days
19:20 — 21:45 VY8945 Vueling
London — Paris
18h 35m stop
16:40 — 19:05 N0311 N0
Paris — Los Angeles
13h 33m stop
08:39 — 11:46 F92175 Frontier Airlines
Los Angeles — Seattle
47h 53m
including layover
Find flight
from$278
19:40 — 11:33
+2 days
19:40 — 22:05 VY8945 Vueling
London — Paris
16h 45m stop
14:50 — 17:30 BF730 Bluebird Cargo
Paris — Los Angeles
15h 8m stop
08:39 — 11:46 F92175 Frontier Airlines
Los Angeles — Seattle
47h 53m
including layover
Find flight
from$298
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
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from$266
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$271
*Departure and arrival times - local. Updated on June 1, 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 june (from 350 $), august (from 355 $), may (from 363 $).

The most expensive months are november (from 855 $), february (from 782 $), december (from 782 $).

What is the lowest airfare London to Seattle?

The cheapest plane ticket found by our users is $262. This airfare is for economy class on one-way Z0711 flight by Z0 for June 6, 2025 which leaves Gatwick in London at 10:55 am and arrives at Seattle Seattle-Tacoma Intl at 11:33.

Economy class
$262
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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 - 107 departures per week at the price of from $ 363 . And the most expensive tickets are offered by SAS airline - from $ 1740.

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 Z0711 by Z0 for $373.

  • from $373
    Find
  • KL - KLM
    from $434
    Find
  • EI - Aer Lingus
    from $800
    Find
  • AF - Air France
    from $434
    Find
  • AY - Finnair
    from $771
    Find
  • IB - Iberia
    from $406
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  • VS - Virgin Atlantic Airways
    from $473
    Find
See more direct flights

Connecting Flights

There are 880 flights with layovers on the route. The fastest connecting flight is FR339 by Ryanair takes 12h 20m and the cheapest is Z0711 by Z0 for $262.

  • from $363
    Find
  • W9 - Wizz Air UK
    from $513
    Find
  • VY - Vueling
    from $278
    Find
  • FI - Icelandair
    from $360
    Find
  • DN - Senegal Airlines
    from $504
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  • FR - Ryanair
    from $372
    Find
  • LX - SWISS International Air Lines
    from $372
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  • A1 - G2 Switch Works
    from $594
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  • A3 - Aegean Airlines
    from $383
    Find
  • DY - Norwegian
    from $385
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  • Z0 - Z0
    from $262
    Find
  • OG - Air Onix
    from $342
    Find
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 $442
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  • London-Waterloo-QQW
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  • Heathrow-LHR
    from $359
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  • Luton-LTN
    from $318
    Find
  • British Rail Terminal-ZLX
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  • London Biggin Hill-BQH
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  • Stansted-STN
    from $342
    Find
  • Gatwick-LGW
    from $262
    Find
  • Ebbsfleet International Rail St-XQE
    Find
  • Stratford International Rail St-XOF
    Find

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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How to book a plane ticket yourself?

How to book an air 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.

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