Cheap Flights from London to Seattle, WA from $270
On Cheapflightsplus.com you will find 13 direct and 762 connecting flights from London to Seattle. You can compare airfare deals from 37 airlines and multiple travel sites from $270, 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
Best Flights from London to Seattle Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $379 | 16:30 London Heathrow | 18:20 Seattle Seattle-Tacoma Intl | 9h 50m | British Airways | BA49 |
from $413 | 09:25 London Heathrow | 11:10 Seattle Seattle-Tacoma Intl | 9h 45m | Iberia | IB3509 |
from $441 | 13:25 London Heathrow | 15:45 Seattle Seattle-Tacoma Intl | 10h 20m | Air France | AF9904 |
from $441 | 13:25 London Heathrow | 15:45 Seattle Seattle-Tacoma Intl | 10h 20m | KLM | KL4818 |
from $480 | 18:00 London Heathrow | 20:20 Seattle Seattle-Tacoma Intl | 10h 20m | Virgin Atlantic Airways | VS4036 |
from $777 | 16:30 London Heathrow | 18:20 Seattle Seattle-Tacoma Intl | 9h 50m | Iberia | IB3507 |
from $783 | 16:30 London Heathrow | 18:20 Seattle Seattle-Tacoma Intl | 9h 50m | Finnair | AY5449 |
from $813 | 09:50 London Heathrow | 11:35 Seattle Seattle-Tacoma Intl | 9h 45m | Aer Lingus | EI8753 |
from $1413 | 13:25 London Heathrow | 15:45 Seattle Seattle-Tacoma Intl | 10h 20m | Virgin Atlantic Airways | VS105 |
from $276 | 10:45 London Gatwick | 16:50+1 день Seattle Seattle-Tacoma Intl | 38h 5m layover 24h 3m - Los Angeles | Z0 | Z0711 HA6197 |
from $338 | 13:05 London Gatwick | 22:32 Seattle Seattle-Tacoma Intl | 17h 27m layover 3h 34m - Newark | Z0 | Z0701 HA4813 |
from $369 | 13:10 London Heathrow | 20:02 Seattle Seattle-Tacoma Intl | 14h 52m layover 1h 36m - Chicago | British Airways | BA299 BA5316 |
from $270 | 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 $315 | 19:50 London Gatwick | 09:55+2 дня Seattle Seattle-Tacoma Intl | 46h 5m layover 16h 35m - Paris 13h 30m - Los Angeles | Vueling | VY8945 BF730 HA6194 |
from $328 | 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 |
from $337 | 13:00 London Gatwick | 10:29+1 день Seattle Seattle-Tacoma Intl | 29h 29m layover 2h 20m - Barcelona 9h 40m - New York | Vueling | VY7833 VY9797 HA4991 |
Flight Schedule London to Seattle (Washington)
Departure | Arrival | Flight Details | Flight Duration | Price |
---|---|---|---|---|
09:25 — 11:10
|
09:25 — 11:10
BA53
British Airways
London — Seattle
|
9h 45m |
Find flight
from$394 |
|
09:25 — 11:10
|
09:25 — 11:10
IB3509
Iberia
London — Seattle
|
9h 45m |
Find flight
from$413 |
|
09:50 — 11:35
|
09:50 — 11:35
AY5451
Finnair
London — Seattle
|
9h 45m |
Find flight
from$785 |
|
09:50 — 11:35
|
09:50 — 11:35
EI8753
Aer Lingus
London — Seattle
|
9h 45m |
Find flight
from$813 |
|
13:25 — 15:45
|
13:25 — 15:45
AF9904
Air France
London — Seattle
|
10h 20m |
Find flight
from$441 |
|
13:25 — 15:45
|
13:25 — 15:45
KL4818
KLM
London — Seattle
|
10h 20m |
Find flight
from$441 |
|
13:25 — 15:45
|
13:25 — 15:45
VS105
Virgin Atlantic Airways
London — Seattle
|
10h 20m |
Find flight
from$1413 |
|
16:30 — 18:20
|
16:30 — 18:20
BA49
British Airways
London — Seattle
|
9h 50m |
Find flight
from$379 |
|
16:30 — 18:20
|
16:30 — 18:20
IB3507
Iberia
London — Seattle
|
9h 50m |
Find flight
from$777 |
|
16:30 — 18:20
|
16:30 — 18:20
AY5449
Finnair
London — Seattle
|
9h 50m |
Find flight
from$783 |
|
17:25 — 19:45
|
17:25 — 19:45
KL6022
KLM
London — Seattle
|
10h 20m |
Find flight
from$456 |
|
18:00 — 20:20
|
18:00 — 20:20
VS4036
Virgin Atlantic Airways
London — Seattle
|
10h 20m |
Find flight
from$480 |
|
18:30 — 20:50
|
18:30 — 20:50
AF3586
Air France
London — Seattle
|
10h 20m |
Find flight
from$456 |
|
08:50 — 17:50
|
08:50 — 10:15
EI153
Aer Lingus
London — Dublin
5h 55m stop
16:30 — 18:15
EI53
Aer Lingus
Dublin — Seattle
|
17h including layover |
Find flight
from$374 |
|
09:50 — 17:50
|
09:50 — 11:15
EI155
Aer Lingus
London — Dublin
4h 55m stop
16:30 — 18:15
EI53
Aer Lingus
Dublin — Seattle
|
16h including layover |
Find flight
from$374 |
|
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$276 |
|
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$279 |
|
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$374 |
|
13:05 — 22:32
|
13:05 — 15:55
Z0701
Z0
London — Newark
3h 34m stop
19:29 — 22:32
HA4813
Hawaiian Airlines
Newark — Seattle
|
17h 27m including layover |
Find flight
from$338 |
|
14:00 — 12:39
+1 day
|
14:00 — 18:25
Z0783
Z0
London — Orlando
15h 5m stop
09:30 — 12:39
AS917
Alaska Airlines
Orlando — Seattle
|
30h 39m including layover |
Find flight
from$387 |
|
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$373 |
|
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$369 |
|
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$328 |
|
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$349 |
|
11:00 — 20:40
|
11:00 — 14:35
D84452
Djibouti Airlines
London — Hagersten
2h 5m stop
16:40 — 17:55
FI309
Icelandair
Hagersten — Reykjavik
1h 50m stop
19:45 — 20:40
FI683
Icelandair
Reykjavik — Seattle
|
17h 40m including layover |
Find flight
from$390 |
|
12:45 — 16:00
+1 day
|
12:45 — 15:50
RK1394
RK
London — Oslo
16h 45m stop
08:35 — 10:55
AY912
Finnair
Oslo — Helsinki
5h 25m stop
16:20 — 16:00
AY33
Finnair
Helsinki — Seattle
|
35h 15m including layover |
Find flight
from$374 |
|
13:00 — 10:29
+1 day
|
13:00 — 16:10
VY7833
Vueling
London — Barcelona
2h 20m stop
18:30 — 21:40
VY9797
Vueling
Barcelona — New York
9h 40m stop
07:20 — 10:29
HA4991
Hawaiian Airlines
New York — Seattle
|
29h 29m including layover |
Find flight
from$337 |
|
14:25 — 17:50
+1 day
|
14:25 — 17:10
U26323
EasyJet
London — Zurich
18h 5m stop
11:15 — 12:35
EI343
Aer Lingus
Zurich — Dublin
3h 35m stop
16:10 — 17:50
EI53
Aer Lingus
Dublin — Seattle
|
35h 25m including layover |
Find flight
from$360 |
|
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$359 |
|
17:45 — 16:00
+2 days
|
17:45 — 20:20
U28495
EasyJet
London — Geneva
22h 35m stop
18:55 — 22:50
AY1534
Finnair
Geneva — Helsinki
17h 30m stop
16:20 — 16:00
AY33
Finnair
Helsinki — Seattle
|
54h 15m including layover |
Find flight
from$389 |
|
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$315 |
|
19:50 — 14:49
+2 days
|
19:50 — 22:15
VY8945
Vueling
London — Paris
16h 35m stop
14:50 — 17:30
BF730
Bluebird Cargo
Paris — Los Angeles
18h 30m stop
12:00 — 14:49
HA6204
Hawaiian Airlines
Los Angeles — Seattle
|
50h 59m including layover |
Find flight
from$315 |
|
20:05 — 17:50
+1 day
|
20:05 — 22:45
LX339
SWISS International Air Lines
London — Zurich
12h 30m stop
11:15 — 12:35
EI343
Aer Lingus
Zurich — Dublin
3h 35m stop
16:10 — 17:50
EI53
Aer Lingus
Dublin — Seattle
|
29h 45m including layover |
Find flight
from$378 |
|
20:50 — 20:40
+1 day
|
20:50 — 23:55
DY1311
Norwegian
London — Oslo
16h 50m stop
16:30 — 17:20
FI323
Icelandair
Oslo — Reykjavik
2h 10m stop
19:45 — 20:40
FI683
Icelandair
Reykjavik — Seattle
|
31h 50m including layover |
Find flight
from$391 |
|
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$270 |
|
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$276 |
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 396 $).
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 $270. 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.
Popular Airlines on the Route
The flight London — Seattle is served by 37 regular airlines and 10 low-cost airlines. Most of the flights on this route are operated by British Airways - 97 departures per week at the price of from $ 369 . And the most expensive tickets are offered by SAS airline - from $ 1769.
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 $379.
- from $379Find
- KL - KLMfrom $441Find
- EI - Aer Lingusfrom $813Find
- AF - Air Francefrom $441Find
- AY - Finnairfrom $783Find
- IB - Iberiafrom $413Find
- VS - Virgin Atlantic Airwaysfrom $480Find
Connecting Flights
There are 762 flights with layovers on the route. The fastest connecting flight is FR339 by Ryanair takes 12h 20m and the cheapest is W46004 by Aero Services Executive for $270.
- from $369Find
- W9 - Wizz Air UKfrom $521Find
- VY - Vuelingfrom $315Find
- FI - Icelandairfrom $366Find
- DN - Senegal Airlinesfrom $511Find
- FR - Ryanairfrom $378Find
- LX - SWISS International Air Linesfrom $378Find
- A1 - G2 Switch Worksfrom $603Find
- A3 - Aegean Airlinesfrom $504Find
- DY - Norwegianfrom $391Find
- Z0 - Z0from $276Find
- SK - SASfrom $369Find
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-LCYfrom $449Find
- London-Waterloo-QQWFind
- Heathrow-LHRfrom $365Find
- Luton-LTNfrom $373Find
- British Rail Terminal-ZLXFind
- London Biggin Hill-BQHFind
- Stansted-STNfrom $374Find
- Gatwick-LGWfrom $270Find
- Ebbsfleet International Rail St-XQEFind
- Stratford International Rail St-XOFFind
Seattle airports
- Boeing Field International Airport-BFIFind
- Seattle-Tacoma Intl-SEAFind
- Kenmore Air Harbor SPB-LKEFind
Airplanes
There are flights to Seattle from London by 37 airlines that use 1 aircraft brands. They range from huge modern airplanes to small-sized.
- Boeing 767-300 (winglets)from $503Find
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.
- from $55Find
- from $75Find
- from $313Find
- from $70Find
- from $60Find
- from $79Find
- from $57Find
- from $58Find
- from $69Find
- from $59Find
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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