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

Find cheap airline tickets from Seattle to London by date

  • any
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • April 2020
  • May 2020
  • June 2020
  • any
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • April 2020
  • May 2020
  • June 2020
  • price
  • month of departure
  • month of return
$424
Finnair outward: Mar 24, 2020
3:25a SEA » 12:50p LHR
Finnair direct (9h25m)
Finnair inbound: Apr 4, 2020
10:40a LHR » 8:35p SEA
Finnair direct (9h55m)
$454
Virgin Atlantic outward: Aug 5, 2019
12:20a SEA » 9:45a LHR
Virgin Atlantic direct (9h25m)
Virgin Atlantic inbound: Aug 27, 2019
11:35a LHR » 1:28a SEA
Virgin Atlantic 1 stop (13h53m)
$454
Virgin Atlantic outward: Aug 5, 2019
12:20a SEA » 9:45a LHR
Virgin Atlantic direct (9h25m)
Virgin Atlantic inbound: Aug 27, 2019
10:00a LHR » 11:30p SEA
Virgin Atlantic 1 stop (13h30m)
$459
KLM outward: Aug 4, 2019
8:25p SEA » 1:10p LHR
KLM 1 stop (16h45m)
Air France inbound: Aug 27, 2019
7:20a LHR » 9:20p SEA
Air France 1 stop (14h)
$460
Air France outward: Aug 5, 2019
1:20a SEA » 2:45p LHR
Air France 1 stop (13h25m)
Air France inbound: Aug 27, 2019
7:20a LHR » 11:30p SEA
Air France 1 stop (16h10m)
$461
Unknown Company outward: Aug 4, 2019
3:17p SEA » 10:40a LHR
Unknown Company 1 stop (19h23m)
Unknown Company inbound: Aug 27, 2019
11:25a LHR » 2:45a SEA
Unknown Company 1 stop (15h20m)
$462
Brussels Airlines outward: Aug 4, 2019
7:06p SEA » 9:30a LHR
Brussels Airlines 1 stop (14h24m)
Air Canada inbound: Aug 27, 2019
11:05a LHR » 11:44p SEA
Air Canada 1 stop (12h39m)
$462
American Airlines outward: Aug 4, 2019
2:00p SEA » 10:25a LHR
American Airlines 1 stop (20h25m)
British Airways inbound: Aug 27, 2019
9:40a LHR » 2:04a SEA
British Airways 1 stop (16h24m)
$483
Virgin Atlantic outward: Aug 5, 2019
12:20a SEA » 9:45a LHR
Virgin Atlantic direct (9h25m)
Delta Air Lines inbound: Aug 27, 2019
7:20a LHR » 9:20p SEA
Delta Air Lines 1 stop (14h)
$483
Virgin Atlantic outward: Aug 5, 2019
12:20a SEA » 9:45a LHR
Virgin Atlantic direct (9h25m)
Delta Air Lines inbound: Aug 27, 2019
7:20a LHR » 9:20p SEA
Delta Air Lines 1 stop (14h)
$483
Virgin Atlantic outward: Aug 5, 2019
12:20a SEA » 9:45a LHR
Virgin Atlantic direct (9h25m)
Delta Air Lines inbound: Aug 27, 2019
7:20a LHR » 9:20p SEA
Delta Air Lines 1 stop (14h)
$483
Virgin Atlantic outward: Aug 5, 2019
12:20a SEA » 9:45a LHR
Virgin Atlantic direct (9h25m)
Delta Air Lines inbound: Aug 27, 2019
7:20a LHR » 9:20p SEA
Delta Air Lines 1 stop (14h)
$494
Unknown Company outward: Aug 4, 2019
2:50p SEA » 7:55a LHR
Unknown Company 1 stop (17h05m)
Swiss inbound: Aug 27, 2019
9:05p LHR » 7:07a SEA
Swiss 2 stops (34h02m)
$497
Virgin Atlantic outward: Aug 5, 2019
12:20a SEA » 9:45a LHR
Virgin Atlantic direct (9h25m)
Unknown Company inbound: Aug 27, 2019
7:20a LHR » 1:28a SEA
Unknown Company 2 stops (18h08m)
$502
American Airlines outward: Aug 13, 2019
2:30p SEA » 9:10a LHR
American Airlines 1 stop (18h40m)
American Airlines inbound: Aug 23, 2019
11:05a LHR » 4:22a SEA
American Airlines 1 stop (17h17m)
$504
Unknown Company outward: Aug 5, 2019
8:59a SEA » 8:40a LHR
Unknown Company 1 stop (23h41m)
Unknown Company inbound: Aug 27, 2019
8:30a LHR » 12:24a SEA
Unknown Company 1 stop (15h54m)
$505
British Airways outward: Aug 4, 2019
4:30p SEA » 9:10a LHR
British Airways 1 stop (16h40m)
American Airlines inbound: Aug 27, 2019
9:40a LHR » 2:04a SEA
American Airlines 1 stop (16h24m)
$530
KLM outward: Aug 4, 2019
8:25p SEA » 1:10p LHR
KLM 1 stop (16h45m)
Air France inbound: Aug 27, 2019
11:35a LHR » 1:28a SEA
Air France 1 stop (13h53m)
$530
KLM outward: Aug 4, 2019
8:25p SEA » 1:10p LHR
KLM 1 stop (16h45m)
Air France inbound: Aug 27, 2019
11:35a LHR » 1:28a SEA
Air France 1 stop (13h53m)
$530
American Airlines outward: Aug 4, 2019
2:20p SEA » 9:00a LHR
American Airlines 1 stop (18h40m)
Finnair inbound: Aug 27, 2019
1:15p LHR » 5:10a SEA
Finnair 1 stop (15h55m)
$531
Virgin Atlantic outward: Aug 5, 2019
2:15a SEA » 1:10p LHR
Virgin Atlantic 1 stop (34h55m)
Air France inbound: Aug 27, 2019
11:35a LHR » 1:28a SEA
Air France 1 stop (13h53m)
$551
Virgin Atlantic outward: Aug 4, 2019
8:23p SEA » 11:50a LHR
Virgin Atlantic 1 stop (15h27m)
Virgin Atlantic inbound: Aug 27, 2019
10:25a LHR » 1:21a SEA
Virgin Atlantic 1 stop (14h56m)
$4,727
British Airways outward: May 14, 2020
10:30p SEA » 8:00a LHR
British Airways direct (9h30m)
British Airways inbound: May 21, 2020
10:40a LHR » 8:35p SEA
British Airways direct (9h55m)
Return
Departure
Find the cheapest Seattle London flight by browsing the dates below to find alternative flight prices found in the last days. To launch a flight search for Seattle - London with these new dates, click on an offer. Want to depart from another city? Choose:

Airlines operating flights from Seattle to London

  • any
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • April 2020
  • May 2020
  • June 2020
  • all
  • Air Europa
  • American Airlines
  • British Airways
  • Delta Air Lines
  • Icelandair
  • TAP Air Portugal
  • United Airlines
  • Virgin Atlantic
British Airways
outbound: May 14, 2020
British Airways direct
return: May 21, 2020
British Airways direct
American Airlines
outbound: Aug 13, 2019
American Airlines 1 stop
return: Aug 23, 2019
American Airlines 1 stop
United Airlines
outbound: Aug 13, 2019
United Airlines 1 stop
return: Aug 23, 2019
Austrian Airlines 1 stop
Virgin Atlantic
outbound: Aug 13, 2019
Virgin Atlantic 1 stop
return: Aug 23, 2019
Virgin Atlantic 1 stop
Delta Air Lines
outbound: Aug 13, 2019
Delta Air Lines 1 stop
return: Aug 23, 2019
KLM 1 stop
Icelandair
outbound: Aug 13, 2019
Icelandair 1 stop
return: Aug 23, 2019
Icelandair 1 stop
TAP Air Portugal
outbound: Aug 13, 2019
TAP Air Portugal 2 stops
return: Aug 23, 2019
TAP Air Portugal 2 stops
Air Europa
outbound: Aug 13, 2019
Air Europa 2 stops
return: Aug 23, 2019
Air Europa 2 stops

Travel tips for flights Seattle - London

Average flight duration: 9h25m (direct flight)

  • 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:
  • Jul 17, 2019 7:49 PM, GMT+1
  • Weather:
  • min. 61ºF, max. 72ºF
  • Departure city:
  • Seattle, USA
  • Airport(s):
  • Kenmore Air Harbor Seaplane Base (LKE)
  • Seattle–Tacoma International Airport (SEA)
  • Local time:
  • Jul 17, 2019 11:49 AM, GMT-7
  • Weather:
  • min. 51ºF, max. 68ºF