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Seattle to London Flight Information

Below are some common questions asked about this flight route:

When can I book the cheapest flight from Seattle to London?

Airlines adjust prices for plane tickets from Seattle to London based on the day and time that you book your flight. After analyzing data from all airlines, we have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays.

How frequent are direct flights from Seattle to London?

There are 19 direct flights from Seattle to London.

What is the most popular airline for non-stop flights from Seattle to London?

British Airways provides 63 of the non-stop flights between Seattle and London.

Airlines flying this route:
Airports in Seattle:
Airports in London:
Average duration of direct flights: 9h27m

Seattle to London Flight Schedule

Flight info. Departure
Arrival
Route Weekly Schedule
15:20 SEA 08:45 LHR
Seattle to London SMTWTFS Search
19:20 SEA 12:40 LHR
Seattle to London SMTWTFS Search
DI7132
13:45 SEA 07:00 LGW
Seattle to London S-T-T-S Search
19:20 SEA 12:40 LHR
Seattle to London SMTWTFS Search
13:30 SEA 07:10 LHR
Seattle to London SMTWTFS Search
13:30 SEA 07:10 LHR
Seattle to London SMTWTFS Search
9W5827
17:55 SEA 11:15 LHR
Seattle to London SMTWTFS Search
AY5450
13:30 SEA 07:10 LHR
Seattle to London SMTWTFS Search
15:20 SEA 08:45 LHR
Seattle to London SMTWTFS Search
EI8748
19:20 SEA 12:40 LHR
Seattle to London SMTWTFS Search
IB4654
13:25 SEA 06:55 LHR
Seattle to London SM--TFS Search
AY5448
19:20 SEA 12:40 LHR
Seattle to London SMTWTFS Search
IB4602
19:20 SEA 12:40 LHR
Seattle to London SMTWTFS Search
EI8752
13:30 SEA 07:10 LHR
Seattle to London SMTWTFS Search
AF3563
17:15 SEA 11:10 LHR
Seattle to London -M----- Search
17:15 SEA 11:10 LHR
Seattle to London -M----- Search
17:15 SEA 11:10 LHR
Seattle to London -M----- Search
17:15 SEA 11:10 LHR
Seattle to London -M----- Search
IB7314
13:30 SEA 07:10 LHR
Seattle to London SMTWTFS Search
IB7312
19:20 SEA 12:40 LHR
Seattle to London SMTWTFS Search

Flights from Seattle to London City Airport (LCY)

27 Nov, 13:23 - 4 Dec, 12:25
KL | Klm Royal Dutch Airlines
12h 7m
SEA - LCY
1 stop
AU$1,217
Round-trip from
Search
13 Feb, 07:30 - 20 Feb, 14:30
AA | American Airlines
20h 45m
SEA - LCY
2 stop
AU$6,039
Round-trip from
Search
26 Nov, 13:23 - 3 Dec, 20:25
KL | Klm Royal Dutch Airlines
12h 7m
SEA - LCY
2 stop
AU$884
Round-trip from
Search

Flights from Seattle to Gatwick Airport (LGW)

18 Nov, 14:30 - 22 Nov, 11:50
FI | Icelandair
12h 20m
SEA - LGW
2 stop
AU$643
Round-trip from
Search

Flights from Seattle to Heathrow Airport (LHR)

1 May, 13:30 - 3 May, 09:40
AA | American Airlines
9h 40m
SEA - LHR
Nonstop
AU$1,029
Round-trip from
Search
28 Nov, 17:50 - 3 Dec, 12:25
VS | Virgin Atlantic
9h 20m
SEA - LHR
Nonstop
AU$1,059
Round-trip from
Search
28 Nov, 17:50 - 3 Dec, 12:25
AF | Air France
9h 20m
SEA - LHR
Nonstop
AU$1,103
Round-trip from
Search
28 Nov, 17:50 - 3 Dec, 12:25
KL | Klm Royal Dutch Airlines
9h 20m
SEA - LHR
Nonstop
AU$1,106
Round-trip from
Search
1 May, 13:30 - 3 May, 09:40
BA | British Airways
9h 40m
SEA - LHR
Nonstop
AU$1,364
Round-trip from
Search

Prices shown are for 1 adult ticket including taxes & fees.(As ticket fares can change frequently, these advertised prices are for reference only. The actual prices will be shown at time of booking.)

Roundtrip vs One-Way Flights from Seattle to London

There is usually no major price difference between buying a roundtrip flight versus a one-way flight. Increased flexibility is the main benefit when it comes to buying a one-way flight from Seattle to London. However, booking a roundtrip flight is a simpler process. You can compare roundtrip and one-way flights by using our flight comparison tool.

Direct vs Connecting Flights from Seattle to London

The average price for connecting flights from Seattle to London is AUD 951.91.The average price for direct flights from Seattle to London is AUD 1226.97.

Travel from Seattle to London

London attracts thousands of visitors every year for both business and pleasure. Planning a trip from Seattle to London is easy when you use Trip.com to help you make travel arrangements. With Trip.com, you can search for available flights and hotel rooms, and then make your booking quickly and easily online.

A Trip to Remember

Make your journey from Seattle to London a trip to remember when you use Trip.com to review city attractions before you arrive. With a preview of what's available at your destination, you can make any necessary reservations in advance for the best travel experience possible.

Trip.com is part of Trip.com Group Limited, one of the world's leading providers of travel services.
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