Flights Europe United Kingdom London Seattle - London

Flights from Seattle to London

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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
Lufthansa
Lufthansa
SEA
8:25 am
Seattle/Tacoma Intl airport
12h 25m
1 Stop
4:50 am
+1
LHR
London Heathrow airport
Lufthansa
LHR
5:25 pm
London Heathrow airport
35h 10m
2 Stops
8:35 pm
+1
SEA
Seattle/Tacoma Intl airport
453 USD
Lufthansa
Lufthansa
SEA
8:25 am
Seattle/Tacoma Intl airport
12h 25m
1 Stop
4:50 am
+1
LHR
London Heathrow airport
Lufthansa
LHR
9:05 pm
London Heathrow airport
35h 06m
2 Stops
12:11 am
+2
SEA
Seattle/Tacoma Intl airport
453 USD
Air Canada
Air Canada
SEA
1:00 am
Seattle/Tacoma Intl airport
18h 20m
2 Stops
2:20 am
+1
LHR
London Heathrow airport
Air Canada
LHR
6:50 am
London Heathrow airport
21h 23m
2 Stops
9:13 pm
SEA
Seattle/Tacoma Intl airport
458 USD
Virgin Atlantic
Virgin Atlantic
SEA
8:20 am
Seattle/Tacoma Intl airport
9h 25m
1:45 am
+1
LHR
London Heathrow airport
Virgin Atlantic
LHR
12:30 pm
London Heathrow airport
9h 40m
2:10 pm
SEA
Seattle/Tacoma Intl airport
486 USD
Norwegian Air UK
Norwegian Air UK
SEA
6:45 am
Seattle/Tacoma Intl airport
9h 15m
12:00 am
+1
LGW
London Gatwick airport
Norwegian Air UK
LGW
10:50 am
London Gatwick airport
9h 55m
12:45 pm
SEA
Seattle/Tacoma Intl airport
597 USD
Delta
Delta
SEA
8:20 am
Seattle/Tacoma Intl airport
9h 25m
1:45 am
+1
LHR
London Heathrow airport
Delta
LHR
10:55 am
London Heathrow airport
13h 55m
1 Stop
4:50 pm
SEA
Seattle/Tacoma Intl airport
459 USD

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. Most expensive is June
CHEAPEST DAY TO FLY
Monday
The cheapest day of the week is typically Monday. The most expensive is typically Saturday
CHEAPEST TIME TO FLY
in the Afternoon
Seattle to London flights are approximately 13% more expensive in the Evening than in the Afternoon
CHEAPEST AIRLINE
easyJet
easyJet, Wizz Air, and WOW air are the most popular carriers operating from Seattle to London
CHEAPEST ROUTE
Seattle/Tacoma Intl - London Heathrow
Fly from Seattle/Tacoma Intl to London Heathrow 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 to 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
15 USD
Seattle
20 USD
London
Fast food
McDonald's meal
8.92 USD
Seattle
8 USD
London
Soft drink
0.33 liter
2.01 USD
Seattle
1.72 USD
London
Coffee
Cappuccino
4.31 USD
Seattle
3.58 USD
London
Public transport
One-way ticket
2.72 USD
Seattle
3.28 USD
London

Flights from Seattle to:

  • London
  • England
  • United Kingdom
  • Europe

Flights to London from:

  • Seattle
  • Washington
  • United States
  • North America
Flights Europe United Kingdom London Seattle - London