Choose up to 4 origin airports
Enter a location to see nearby airports
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
Quickest
Cheapest
Finnair
SEA
23:50
Seattle/Tacoma Intl airport
18h 10m
1 Stop
02:00
+2
LGW
London Gatwick airport
LGW
16:45
London Gatwick airport
38h 07m
1 Stop
22:52
+1
SEA
Seattle/Tacoma Intl airport
328 GBP
Lufthansa
SEA
07:10
Seattle/Tacoma Intl airport
12h 10m
1 Stop
03:20
+1
LHR
London Heathrow airport
LHR
06:30
London Heathrow airport
16h 00m
2 Stops
14:30
SEA
Seattle/Tacoma Intl airport
338 GBP
Lufthansa
SEA
07:10
Seattle/Tacoma Intl airport
12h 10m
1 Stop
03:20
+1
LHR
London Heathrow airport
LHR
06:30
London Heathrow airport
16h 00m
2 Stops
14:30
SEA
Seattle/Tacoma Intl airport
338 GBP
Virgin Atlantic
SEA
08:20
Seattle/Tacoma Intl airport
9h 25m
01:45
+1
LHR
London Heathrow airport
LHR
12:30
London Heathrow airport
9h 40m
14:10
SEA
Seattle/Tacoma Intl airport
369 GBP
Virgin Atlantic
SEA
08:20
Seattle/Tacoma Intl airport
9h 25m
01:45
+1
LHR
London Heathrow airport
LHR
12:30
London Heathrow airport
9h 40m
14:10
SEA
Seattle/Tacoma Intl airport
369 GBP
Norwegian Air UK
SEA
06:45
Seattle/Tacoma Intl airport
9h 15m
00:00
+1
LGW
London Gatwick airport
LGW
10:50
London Gatwick airport
9h 55m
12:45
SEA
Seattle/Tacoma Intl airport
381 GBP
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
CHEAPEST MONTH TO FLY
February
The cheapest time of year to fly to London from Seattle is February. The most expensive is June.
CHEAPEST DAY TO FLY
Sunday
The cheapest day of the week is usually Sunday. The most expensive is usually Saturday.
CHEAPEST TIME TO FLY
at Noon
Seattle to London flights are approximately 19% more expensive in the Evening than at Noon
CHEAPEST AIRLINE
easyJet
easyJet, SWISS, and Lufthansa are the most popular carriers operating from Seattle to London
CHEAPEST ROUTE
Seattle/Tacoma Intl - London Gatwick
Fly from Seattle/Tacoma Intl to London Gatwick for the best Seattle - London flight prices
CHEAPEST TIME TO BOOK
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
Flight information for Seattle to London
Find info about flight duration, direct flights, and airports for your flight from Seattle to London
Fastest flight time
9h 20m
The fastest flight from Seattle to London takes 9h 20m.
Direct flights
Every day
Direct flights go from Seattle to London every day.
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)
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
Cost comparison between Seattle and London
Compare the costs of everyday items in Seattle and London
Food
Inexpensive restaurant
12 GBP
Seattle
15 GBP
London
Fast food
McDonald's meal
7 GBP
Seattle
5.90 GBP
London
Soft drink
0.33 liter
2 GBP
Seattle
1.26 GBP
London
Coffee
Cappuccino
3 GBP
Seattle
2.67 GBP
London
Public transport
One-way ticket
2 GBP
Seattle
2.46 GBP
London
Flights from Seattle to:
-
London
-
England
- United Kingdom
-
Europe
Flights to London from:
-
Seattle
-
Washington
- United States
- North America
Flights to other cities in United Kingdom
Lost the lust for London? Check out some flights to other cities in United Kingdom
Flights to other destinations
Lost the lust for London? Check out some flights to other destinations
*Flight prices to London are based on prices for economy tickets found by momondo users during searches within the last 72 hours. These prices may no longer be available.