Take off on cheap flights from Seattle to London, your adventure starts now!

Find cheap airline tickets from Seattle to London by date

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  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • April 2020
  • May 2020
  • June 2020
  • July 2020
  • August 2020
  • any
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • April 2020
  • May 2020
  • June 2020
  • July 2020
  • August 2020
  • price
  • month of departure
  • month of return
$465
Norwegian Air UK outward: Oct 21, 2019
10:45p SEA » 8:00a LGW
Norwegian Air UK direct (9h15m)
Norwegian Air UK inbound: Oct 25, 2019
10:50a LGW » 8:45p SEA
Norwegian Air UK direct (9h55m)
$465
Norwegian Air UK outward: Oct 21, 2019
10:45p SEA » 8:00a LGW
Norwegian Air UK direct (9h15m)
Norwegian Air UK inbound: Oct 25, 2019
10:50a LGW » 8:45p SEA
Norwegian Air UK direct (9h55m)
$472
British Airways outward: Dec 5, 2019
3:25a SEA » 12:50p LHR
British Airways direct (9h25m)
British Airways inbound: Dec 18, 2019
8:20a LHR » 5:24a SEA
British Airways 2 stops (21h04m)
$472
British Airways outward: Dec 5, 2019
3:25a SEA » 12:50p LHR
British Airways direct (9h25m)
British Airways inbound: Dec 18, 2019
8:20a LHR » 8:06a SEA
British Airways 2 stops (23h46m)
$473
United Airlines outward: Apr 28, 2020
8:10p SEA » 12:50p LHR
United Airlines 1 stop (16h40m)
United Airlines inbound: May 5, 2020
3:05p LHR » 3:04a SEA
United Airlines 1 stop (11h59m)
$504
Finnair outward: Dec 5, 2019
10:35p SEA » 8:05a LHR
Finnair direct (9h30m)
British Airways inbound: Dec 14, 2019
11:50a LHR » 8:53a SEA
British Airways 2 stops (45h03m)
$535
Air Canada outward: Nov 23, 2019
8:10p SEA » 9:35p LHR
Air Canada 2 stops (25h25m)
Swiss inbound: Dec 14, 2019
12:55p LHR » 6:55a SEA
Swiss 2 stops (42h)
$537
Norwegian Air UK outward: Oct 21, 2019
10:45p SEA » 8:00a LGW
Norwegian Air UK direct (9h15m)
Unknown Company inbound: Oct 24, 2019
2:30p LGW » 7:16a SEA
Unknown Company 1 stop (16h46m)
$658
Unknown Company outward: Dec 25, 2019
12:10a SEA » 3:15p LHR
Unknown Company 1 stop (15h05m)
Unknown Company inbound: Dec 31, 2019
10:20a LHR » 6:48a SEA
Unknown Company 1 stop (20h28m)
$660
Air France outward: Dec 25, 2019
12:10a SEA » 3:15p LHR
Air France 1 stop (15h05m)
KLM inbound: Dec 31, 2019
10:20a LHR » 6:47a SEA
KLM 1 stop (20h27m)
$684
Unknown Company outward: Sep 22, 2019
2:35a SEA » 11:50a LGW
Unknown Company 1 stop (33h15m)
Norwegian Air UK inbound: Oct 18, 2019
10:50a LGW » 8:45p SEA
Norwegian Air UK direct (9h55m)
$704
Unknown Company outward: Dec 24, 2019
12:10a SEA » 3:15p LHR
Unknown Company 1 stop (15h05m)
Unknown Company inbound: Dec 31, 2019
10:20a LHR » 6:48a SEA
Unknown Company 1 stop (20h28m)
$723
Air Canada outward: Dec 17, 2019
6:55p SEA » 12:20p LHR
Air Canada 1 stop (17h25m)
Air Canada inbound: Dec 29, 2019
3:30p LHR » 7:38p SEA
Air Canada 1 stop (28h08m)
$764
Unknown Company outward: Dec 24, 2019
7:40a SEA » 10:50a LHR
Unknown Company 1 stop (27h10m)
Unknown Company inbound: Jan 1, 2020
3:10p LHR » 10:03a SEA
Unknown Company 1 stop (18h53m)
$770
Unknown Company outward: Dec 24, 2019
7:40a SEA » 10:50a LHR
Unknown Company 1 stop (27h10m)
Unknown Company inbound: Jan 4, 2020
2:30p LHR » 8:48a SEA
Unknown Company 1 stop (18h18m)
$776
Unknown Company outward: Dec 24, 2019
7:12p SEA » 12:35p LHR
Unknown Company 1 stop (17h23m)
Unknown Company inbound: Jan 1, 2020
3:10p LHR » 10:03a SEA
Unknown Company 1 stop (18h53m)
Return
Departure
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Airlines operating flights from Seattle to London

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Travel tips for flights Seattle - London

Average flight duration: 19h06m (flight with stopovers)

  • Arrival city:
  • London, United Kingdom
  • Airport(s):
  • London City Airport (LCY)
  • Heathrow Airport (LHR)
  • Gatwick Airport (LGW)
  • Luton Airport (LTN)
  • Stansted Airport (STN)
  • Southend Airport (SEN)
  • Local time:
  • Sep 16, 2019 11:35 PM, GMT+1
  • Weather:
  • min. 55ºF, max. 67ºF
  • Departure city:
  • Seattle, USA
  • Airport(s):
  • Kenmore Air Harbor Seaplane Base (LKE)
  • Seattle–Tacoma International Airport (SEA)
  • Local time:
  • Sep 16, 2019 3:35 PM, GMT-7
  • Weather:
  • min. 54ºF, max. 62ºF