Cheap Flights from Seattle, WA to London from $138
On Cheapflightsplus.com you will find 11 direct and 276 connecting flights from Seattle to London. You can compare airfare deals from 23 airlines and multiple travel sites from $138, book and save on cheap plane tickets and last minute offers. Also check out SEA-LON flight schedule to find best flight time, convenient departure and arrival airports.
Find One-Way and Round-Trip Seattle to London Flight Deals
Best Flights from Seattle to London Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $749 | 13:50 Seattle Seattle-Tacoma Intl | 07:10+1 день London Heathrow | 9h 20m | Iberia | IB7314 |
from $752 | 18:25 Seattle Seattle-Tacoma Intl | 11:50+1 день London Heathrow | 9h 25m | Iberia | IB7312 |
from $812 | 15:55 Seattle Seattle-Tacoma Intl | 09:10+1 день London Heathrow | 9h 15m | Virgin Atlantic Airways | VS106 |
from $817 | 16:55 Seattle Seattle-Tacoma Intl | 09:10+1 день London Heathrow | 9h 15m | Delta Air Lines Inc. | DL4349 |
from $828 | 15:55 Seattle Seattle-Tacoma Intl | 09:10+1 день London Heathrow | 9h 15m | Air France | AF9905 |
from $828 | 15:55 Seattle Seattle-Tacoma Intl | 09:10+1 день London Heathrow | 9h 15m | KLM | KL4842 |
from $835 | 19:20 Seattle Seattle-Tacoma Intl | 12:40+1 день London Heathrow | 9h 20m | American Airlines | AA6907 |
from $840 | 19:20 Seattle Seattle-Tacoma Intl | 12:40+1 день London Heathrow | 9h 20m | Finnair | AY5448 |
from $851 | 19:20 Seattle Seattle-Tacoma Intl | 12:40+1 день London Heathrow | 9h 20m | British Airways | BA48 |
from $934 | 13:50 Seattle Seattle-Tacoma Intl | 07:10+1 день London Heathrow | 9h 20m | Finnair | AY5450 |
from $138 | 21:30 Seattle Seattle-Tacoma Intl | 12:45+2 дня London Heathrow | 31h 15m layover 13h 25m - San Francisco 1h 45m - Lisbon | Alaska Airlines | AS1332 TP236 TP1352 |
from $156 | 07:50 Seattle Seattle-Tacoma Intl | 12:45+1 день London Heathrow | 20h 55m layover 3h 2m - San Francisco 1h 45m - Lisbon | Alaska Airlines | AS766 TP236 TP1352 |
from $162 | 11:15 Seattle Seattle-Tacoma Intl | 15:30+1 день London Heathrow | 20h 15m layover 3h 9m - San Francisco 1h 10m - Lisbon | Delta Air Lines Inc. | DL1439 TP236 TP1368 |
Flight Schedule Seattle (Washington) to London
Departure | Arrival | Flight Details | Flight Duration | Price |
---|---|---|---|---|
13:50 — 07:10
+1 day
|
13:50 — 07:10
IB7314
Iberia
Seattle — London
|
9h 20m |
Find flight
from$749 |
|
13:50 — 07:10
+1 day
|
13:50 — 07:10
AY5450
Finnair
Seattle — London
|
9h 20m |
Find flight
from$934 |
|
15:55 — 09:10
+1 day
|
15:55 — 09:10
VS106
Virgin Atlantic Airways
Seattle — London
|
9h 15m |
Find flight
from$812 |
|
15:55 — 09:10
+1 day
|
15:55 — 09:10
AF9905
Air France
Seattle — London
|
9h 15m |
Find flight
from$828 |
|
15:55 — 09:10
+1 day
|
15:55 — 09:10
KL4842
KLM
Seattle — London
|
9h 15m |
Find flight
from$828 |
|
16:55 — 09:10
+1 day
|
16:55 — 09:10
DL4349
Delta Air Lines Inc.
Seattle — London
|
9h 15m |
Find flight
from$817 |
|
18:25 — 11:50
+1 day
|
18:25 — 11:50
IB7312
Iberia
Seattle — London
|
9h 25m |
Find flight
from$752 |
|
19:20 — 12:40
+1 day
|
19:20 — 12:40
AA6907
American Airlines
Seattle — London
|
9h 20m |
Find flight
from$835 |
|
19:20 — 12:40
+1 day
|
19:20 — 12:40
AY5448
Finnair
Seattle — London
|
9h 20m |
Find flight
from$840 |
|
19:20 — 12:40
+1 day
|
19:20 — 12:40
BA48
British Airways
Seattle — London
|
9h 20m |
Find flight
from$851 |
|
19:20 — 12:40
+1 day
|
19:20 — 12:40
EI8748
Aer Lingus
Seattle — London
|
9h 20m |
Find flight
from$1058 |
|
15:30 — 11:20
+1 day
|
15:30 — 18:00
AS2544
Alaska Airlines
Seattle — Calgary
1h 45m stop
19:45 — 11:20
WS1
WestJet
Calgary — London
|
11h 50m including layover |
Find flight
from$250 |
|
06:00 — 15:30
+1 day
|
06:00 — 08:17
UA2499
United Airlines
Seattle — San Francisco
8h 23m stop
16:40 — 11:30
TP236
TAP Portugal
San Francisco — Lisbon
1h 10m stop
12:40 — 15:30
TP1368
TAP Portugal
Lisbon — London
|
25h 30m including layover |
Find flight
from$189 |
|
07:12 — 09:50
+1 day
|
07:12 — 15:32
UA1591
United Airlines
Seattle — Newark
4h 23m stop
19:55 — 06:45
TP202
TAP Portugal
Newark — Lisbon
25m stop
07:10 — 09:50
TP1338
TAP Portugal
Lisbon — London
|
19h 38m including layover |
Find flight
from$203 |
|
07:50 — 12:45
+1 day
|
07:50 — 10:03
AS766
Alaska Airlines
Seattle — San Francisco
3h 2m stop
13:05 — 08:15
TP236
TAP Portugal
San Francisco — Lisbon
1h 45m stop
10:00 — 12:45
TP1352
TAP Portugal
Lisbon — London
|
20h 55m including layover |
Find flight
from$156 |
|
08:00 — 12:45
+1 day
|
08:00 — 16:27
UA424
United Airlines
Seattle — Newark
3h 28m stop
19:55 — 07:45
TP202
TAP Portugal
Newark — Lisbon
2h 15m stop
10:00 — 12:45
TP1352
TAP Portugal
Lisbon — London
|
20h 45m including layover |
Find flight
from$185 |
|
08:20 — 17:45
+1 day
|
08:20 — 16:57
UA424
United Airlines
Seattle — Newark
6h 58m stop
23:55 — 12:15
TP204
TAP Portugal
Newark — Lisbon
2h 45m stop
15:00 — 17:45
TP1350
TAP Portugal
Lisbon — London
|
25h 25m including layover |
Find flight
from$185 |
|
09:20 — 17:45
+1 day
|
09:20 — 17:45
AS8
Alaska Airlines
Seattle — Newark
6h 10m stop
23:55 — 12:15
TP204
TAP Portugal
Newark — Lisbon
2h 45m stop
15:00 — 17:45
TP1350
TAP Portugal
Lisbon — London
|
24h 25m including layover |
Find flight
from$186 |
|
09:20 — 22:00
+1 day
|
09:20 — 17:45
AS8
Alaska Airlines
Seattle — Newark
6h stop
23:45 — 11:40
TP212
TAP Portugal
Newark — Porto
7h 35m stop
19:15 — 22:00
TP1370
TAP Portugal
Porto — London
|
28h 40m including layover |
Find flight
from$213 |
|
10:05 — 17:30
+2 days
|
10:05 — 16:24
AA1879
American Airlines
Seattle — Chicago
23h 31m stop
15:55 — 05:40
TP242
TAP Portugal
Chicago — Lisbon
9h stop
14:40 — 17:30
TP1356
TAP Portugal
Lisbon — London
|
47h 25m including layover |
Find flight
from$235 |
|
10:55 — 15:30
+1 day
|
10:55 — 13:14
UA1909
United Airlines
Seattle — San Francisco
3h 26m stop
16:40 — 11:30
TP236
TAP Portugal
San Francisco — Lisbon
1h 10m stop
12:40 — 15:30
TP1368
TAP Portugal
Lisbon — London
|
20h 35m including layover |
Find flight
from$240 |
|
11:15 — 15:30
+1 day
|
11:15 — 13:31
DL1439
Delta Air Lines Inc.
Seattle — San Francisco
3h 9m stop
16:40 — 11:30
TP236
TAP Portugal
San Francisco — Lisbon
1h 10m stop
12:40 — 15:30
TP1368
TAP Portugal
Lisbon — London
|
20h 15m including layover |
Find flight
from$162 |
|
11:15 — 22:40
+1 day
|
11:15 — 13:31
DL1439
Delta Air Lines Inc.
Seattle — San Francisco
3h 9m stop
16:40 — 11:30
TP236
TAP Portugal
San Francisco — Lisbon
8h 25m stop
19:55 — 22:40
TP1366
TAP Portugal
Lisbon — London
|
27h 25m including layover |
Find flight
from$185 |
|
12:08 — 22:00
+1 day
|
12:08 — 20:51
UA1125
United Airlines
Seattle — Newark
2h 54m stop
23:45 — 11:40
TP212
TAP Portugal
Newark — Porto
7h 35m stop
19:15 — 22:00
TP1370
TAP Portugal
Porto — London
|
25h 52m including layover |
Find flight
from$160 |
|
13:09 — 17:30
+1 day
|
13:09 — 15:21
DL1433
Delta Air Lines Inc.
Seattle — San Francisco
2h 19m stop
17:40 — 11:30
TP236
TAP Portugal
San Francisco — Lisbon
3h 10m stop
14:40 — 17:30
TP1356
TAP Portugal
Lisbon — London
|
21h 21m including layover |
Find flight
from$210 |
|
13:09 — 15:45
+1 day
|
13:09 — 15:21
DL1433
Delta Air Lines Inc.
Seattle — San Francisco
2h 19m stop
17:40 — 11:30
TP236
TAP Portugal
San Francisco — Lisbon
1h 35m stop
13:05 — 15:45
TP1336
TAP Portugal
Lisbon — London
|
19h 36m including layover |
Find flight
from$249 |
|
15:30 — 22:00
+2 days
|
15:30 — 23:55
AS14
Alaska Airlines
Seattle — Newark
23h 50m stop
23:45 — 11:40
TP212
TAP Portugal
Newark — Porto
7h 35m stop
19:15 — 22:00
TP1370
TAP Portugal
Porto — London
|
46h 30m including layover |
Find flight
from$216 |
|
17:56 — 11:25
+2 days
|
17:56 — 23:49
DL1406
Delta Air Lines Inc.
Seattle — Chicago
17h 6m stop
16:55 — 05:40
TP242
TAP Portugal
Chicago — Lisbon
2h 50m stop
08:30 — 11:25
TP1354
TAP Portugal
Lisbon — London
|
34h 29m including layover |
Find flight
from$239 |
|
20:49 — 17:30
+2 days
|
20:49 — 23:00
DL1513
Delta Air Lines Inc.
Seattle — San Francisco
17h 40m stop
16:40 — 11:30
TP236
TAP Portugal
San Francisco — Lisbon
3h 10m stop
14:40 — 17:30
TP1356
TAP Portugal
Lisbon — London
|
36h 41m including layover |
Find flight
from$232 |
|
21:30 — 12:45
+2 days
|
21:30 — 23:40
AS1332
Alaska Airlines
Seattle — San Francisco
13h 25m stop
13:05 — 08:15
TP236
TAP Portugal
San Francisco — Lisbon
1h 45m stop
10:00 — 12:45
TP1352
TAP Portugal
Lisbon — London
|
31h 15m including layover |
Find flight
from$138 |
|
21:30 — 22:55
+2 days
|
21:30 — 23:40
AS1332
Alaska Airlines
Seattle — San Francisco
13h 25m stop
13:05 — 08:15
TP236
TAP Portugal
San Francisco — Lisbon
12h 5m stop
20:20 — 22:55
TP1366
TAP Portugal
Lisbon — London
|
41h 25m including layover |
Find flight
from$183 |
|
22:20 — 09:50
+2 days
|
22:20 — 07:15
AA1471
American Airlines
Seattle — Miami
9h 30m stop
16:45 — 05:40
TP224
TAP Portugal
Miami — Lisbon
1h 30m stop
07:10 — 09:50
TP1338
TAP Portugal
Lisbon — London
|
27h 30m including layover |
Find flight
from$168 |
|
22:20 — 11:25
+2 days
|
22:20 — 07:15
AA1471
American Airlines
Seattle — Miami
9h 30m stop
16:45 — 05:40
TP224
TAP Portugal
Miami — Lisbon
2h 50m stop
08:30 — 11:25
TP1354
TAP Portugal
Lisbon — London
|
29h 5m including layover |
Find flight
from$169 |
|
23:36 — 17:30
+2 days
|
23:36 — 07:44
TP4386
TAP Portugal
Seattle — Boston
11h 1m stop
18:45 — 06:00
TP218
TAP Portugal
Boston — Lisbon
8h 40m stop
14:40 — 17:30
TP1356
TAP Portugal
Lisbon — London
|
33h 54m including layover |
Find flight
from$214 |
|
23:36 — 12:40
+2 days
|
23:36 — 07:44
TP4386
TAP Portugal
Seattle — Boston
11h 1m stop
18:45 — 06:00
TP218
TAP Portugal
Boston — Lisbon
3h 45m stop
09:45 — 12:40
TP1352
TAP Portugal
Lisbon — London
|
29h 4m including layover |
Find flight
from$225 |
Flight Information
Below we will explain in detail what the flights cost on the destination from Seattle to London depends on and how to choose the most interesting flight option for you.
Distance between Seattle and London is 7714 miles. Time difference between the cities is 8h. Airplanes depart 00:15 to 23:50 from 3 Seattle airports and arrive 00:15 to 23:50 to 10 London airports. Average flight time is 9h 20m.
- The fastest flight 9h 15m
- Average flight time 9h 20m
- The earliest flight 00:15
- The latest flight 23:50
- Distance 4794 ml
What is the lowest airfare Seattle to London?
The cheapest plane ticket found by our users is $138. This airfare is for economy class on one-way AS1332 flight by Alaska Airlines for October 21, 2020 which leaves Seattle-Tacoma Intl in Seattle at 21:30 am and arrives at London Heathrow at 12:45.
Popular Airlines on the Route
The flight Seattle — London is served by 23 regular airlines and 5 low-cost airlines. Most of the flights on this route are operated by KLM - 4 departures per week at the price of from $ 828 . And the most expensive tickets are offered by American Airlines airline - from $ 1188.
Direct flights
There are 11 nonstop flights on the route. The fastest direct flight is VS106 by Virgin Atlantic Airways takes 9h 15m and the cheapest is AS1332 by Alaska Airlines for $749.
- from $828Find
- from $1058Find
- from $817Find
- from $812Find
- AA - American Airlinesfrom $835Find
- AF - Air Francefrom $828Find
- AY - Finnairfrom $840Find
- IB - Iberiafrom $749Find
- BA - British Airwaysfrom $851Find
Connecting Flights
There are 276 flights with layovers on the route. The fastest connecting flight is AS2544 by Alaska Airlines takes 11h 50m and the cheapest is AS1332 by Alaska Airlines for $138.
- from $474Find
- from $828Find
- from $252Find
- from $514Find
- from $162Find
- from $160Find
- from $138Find
- from $464Find
- from $798Find
- AA - American Airlinesfrom $168Find
- FI - Icelandairfrom $371Find
- OS - Austrian Airlinesfrom $815Find
Airports
You can fly from Seattle to London from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).
Seattle airports
- Boeing Field International Airport-BFIFind
- Seattle-Tacoma Intl-SEAfrom $138Find
- Kenmore Air Harbor SPB-LKEFind
London airports
- London City-LCYFind
- London-Waterloo-QQWFind
- Heathrow-LHRFind
- Luton-LTNFind
- British Rail Terminal-ZLXFind
- London Biggin Hill-BQHFind
- Stansted-STNFind
- Gatwick-LGWFind
- Ebbsfleet International Rail St-XQEFind
- Stratford International Rail St-XOFFind
Airplanes
There are flights to London from Seattle by 23 airlines that use 10 aircraft brands. They range from huge modern airplanes to small-sized.
- Airbus A320-100/200from $138Find
- Embraer 175from $185Find
- Boeing 737-900from $213Find
- Airbus A318/319/320/321from $214Find
- Airbus A318/A319/A320/A321from $225Find
- Boeing 737-800from $229Find
- Airbus A321from $230Find
- Airbus A319from $232Find
- De Havilland DHC-8 Dash 8-400from $261Find
- Boeing 767-300 (winglets)from $371Find
Top Domestic Destinations from Seattle
You may also consider searching for discounted plane tickets to some other popular places from Seattle within United States.
- from $65Find
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- from $54Find
Top International Destinations from Seattle
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 $60Find
- from $56Find
- from $76Find
- from $70Find
- from $67Find
- from $59Find
- from $56Find
- from $78Find
- from $79Find
- from $53Find
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.