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Cheap flights from Seattle to London
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Flight information for Seattle to London
Find info about flight duration, direct flights, and airports for your flight from Seattle to London
| Best price found | £271 | The best flight deal from Seattle to London found on momondo in the last 72 hours is £271 | |
| Fastest flight time | 9h 20m | The fastest flight from Seattle to London takes 9h 20m. | |
| Direct flights | None | There are no direct flights from Seattle to London. Popular non-direct routes for this connection are Seattle/Tacoma Intl - London Heathrow, Seattle/Tacoma Intl - London Gatwick and Seattle/Tacoma Intl - London City. | |
| Airports in London | 6 airports | There are 6 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW), London Southend (SEN) |
How to get the cheapest flight from Seattle to London
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight for your trip
What is the cheapest month to fly to London?
October
The cheapest time of year to fly to London from Seattle is October. The most expensive is June.
What is the cheapest day to fly to London?
Tuesday
The cheapest day of the week is usually Tuesday. The most expensive is usually Friday.
When is the cheapest time to fly to London?
in the morning
Seattle to London flights are approximately 16% more expensive in the evening than in the morning
What is the cheapest airline that flies to London?
easyJet
easyJet, Brussels Airlines, and Finnair are the most popular carriers operating from Seattle to London
What is the cheapest route?
Seattle/Tacoma Intl - London Heathrow
Fly from Seattle/Tacoma Intl to London Heathrow for the best Seattle - London flight prices
When is the cheapest time to book a flight to London?
60 days before
The cheapest time to buy a flight from Seattle to London is approximately 60 days before departure
60
Days before departure
0
Seattle to London flight comparison made easy
Below you can see the best fares for your route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to London by changing tabs
Cheapest
Best
Quickest
Icelandair
15 Sep
SEA
Seattle/Tacoma Intl
11h 55m
1 stop
LHR
London Heathrow
29 Sep
LHR
London Heathrow
12h 50m
1 stop
SEA
Seattle/Tacoma Intl
£340
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Icelandair
14 Sep
SEA
Seattle/Tacoma Intl
11h 55m
1 stop
LHR
London Heathrow
18 Sep
LHR
London Heathrow
12h 50m
1 stop
SEA
Seattle/Tacoma Intl
£341
Find similar
Icelandair
15 Sep
SEA
Seattle/Tacoma Intl
20h 30m
1 stop
LHR
London Heathrow
22 Sep
LHR
London Heathrow
12h 50m
1 stop
SEA
Seattle/Tacoma Intl
£341
Find similar
Find the cheapest one-way flights from Seattle to London
If you're looking for one-way flights from Seattle to London, view some of our deals below.
Cheapest
Best
Quickest
Multiple Airlines
8 Sep
SEA
Seattle/Tacoma Intl
55h 20m
3 stops
LHR
London Heathrow
£182
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Aer Lingus
27 Aug
SEA
Seattle/Tacoma Intl
14h 05m
1 stop
LHR
London Heathrow
£201
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Icelandair
24 Aug
SEA
Seattle/Tacoma Intl
11h 55m
1 stop
LHR
London Heathrow
£226
Find similar
Alternative routes for Seattle to London
Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
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