Flights from London to Seattle

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London to Seattle 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 London to Seattle by changing tabs
Quickest
Cheapest
British Airways
British Airways
LHR
10:35
London Heathrow airport
9h 55m
12:30
SEA
Seattle/Tacoma Intl airport
British Airways
SEA
06:30
Seattle/Tacoma Intl airport
9h 40m
00:10
+1
LHR
London Heathrow airport
354 GBP
Virgin Atlantic
Virgin Atlantic
LHR
10:25
London Heathrow airport
16h 22m
1 Stop
18:47
SEA
Seattle/Tacoma Intl airport
Virgin Atlantic
SEA
06:40
Seattle/Tacoma Intl airport
13h 30m
1 Stop
04:10
+1
LHR
London Heathrow airport
357 GBP
Lufthansa
Lufthansa
LHR
07:30
London Heathrow airport
13h 25m
1 Stop
12:55
SEA
Seattle/Tacoma Intl airport
Lufthansa
SEA
06:00
Seattle/Tacoma Intl airport
23h 55m
1 Stop
13:55
+1
LHR
London Heathrow airport
366 GBP
Norwegian
Norwegian
LGW
10:50
London Gatwick airport
9h 55m
12:45
SEA
Seattle/Tacoma Intl airport
Norwegian
SEA
06:45
Seattle/Tacoma Intl airport
9h 15m
00:00
+1
LGW
London Gatwick airport
410 GBP
Norwegian Air UK
Norwegian Air UK
LGW
10:50
London Gatwick airport
9h 55m
12:45
SEA
Seattle/Tacoma Intl airport
Norwegian Air UK
SEA
06:45
Seattle/Tacoma Intl airport
9h 15m
00:00
+1
LGW
London Gatwick airport
438 GBP
British Airways
British Airways
LHR
10:35
London Heathrow airport
9h 55m
12:30
SEA
Seattle/Tacoma Intl airport
British Airways
SEA
06:30
Seattle/Tacoma Intl airport
9h 40m
00:10
+1
LHR
London Heathrow airport
354 GBP

How to get the cheapest flight from London to Seattle

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
October
The cheapest time of year to fly to Seattle from London is October. The most expensive is July.
CHEAPEST DAY TO FLY
Tuesday
The cheapest day of the week is usually Tuesday. The most expensive is usually Saturday.
CHEAPEST TIME TO FLY
at midday
London to Seattle flights are approximately 9% more expensive in the afternoon than at midday
CHEAPEST AIRLINE
Austrian Airlines
Austrian Airlines, United Airlines, and Air Canada are the most popular carriers operating from London to Seattle
CHEAPEST ROUTE
London Heathrow - Seattle/Tacoma Intl
Fly from London Heathrow to Seattle/Tacoma Intl for the best London - Seattle flight prices
CHEAPEST TIME TO BOOK
30 days before
The cheapest time to buy a flight from London to Seattle is approximately 30 days before departure
60
Days before departure
0

Flight information for London to Seattle

Find info about flight duration, direct flights, and airports for your flight from London to Seattle
Fastest flight time
9h 40m
The fastest flight from London to Seattle takes 9h 40m.
Direct flights
Every day
Direct flights go from London to Seattle every day.
Airports in Seattle
3 airports
There are 3 airports near Seattle: Seattle King County/Boeing (BFI), Seattle Lake Union Spb (LKE), Seattle/Tacoma Intl (SEA)

Cost comparison between London and Seattle

Compare the costs of everyday items in London and Seattle
Food
Inexpensive restaurant
15 GBP
London
11 GBP
Seattle
Fast food
McDonald's meal
6 GBP
London
6.78 GBP
Seattle
Soft drink
0.33 liter
1.33 GBP
London
1.46 GBP
Seattle
Coffee
Cappuccino
2.72 GBP
London
3.26 GBP
Seattle
Public transport
One-way ticket
2.48 GBP
London
2.08 GBP
Seattle

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