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

Find cheap airline tickets from Seattle to London by date

  • any
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • any
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • price
  • month of departure
  • month of return
$541
outward: Nov 16, 2018
6:35p SEA » 8:00a LHR
Delta Air Lines 1 stop (13h25m)
inbound: Nov 26, 2018
9:25p LHR » 8:29p SEA
Unknown Company 1 stop (23h04m)
$546
outward: Oct 9, 2018
6:00p SEA » 12:50p LHR
Air Canada 1 stop (18h50m)
inbound: Oct 29, 2018
3:30p LHR » 4:10a SEA
Air Canada 1 stop (12h40m)
$546
outward: Oct 11, 2018
7:15p SEA » 11:00a LHR
Air Canada 1 stop (15h45m)
inbound: Oct 18, 2018
3:10p LHR » 5:20a SEA
Air Canada 1 stop (14h10m)
$546
outward: Oct 11, 2018
7:15p SEA » 11:00a LHR
United Airlines 1 stop (15h45m)
inbound: Oct 18, 2018
9:50a LHR » 5:14a SEA
United Airlines 2 stops (19h24m)
$546
outward: Oct 11, 2018
7:15p SEA » 11:00a LHR
Air Canada 1 stop (15h45m)
inbound: Oct 18, 2018
3:10p LHR » 5:20a SEA
Air Canada 1 stop (14h10m)
$546
outward: Oct 11, 2018
7:15p SEA » 11:00a LHR
Air Canada 1 stop (15h45m)
inbound: Oct 18, 2018
3:10p LHR » 5:20a SEA
Air Canada 1 stop (14h10m)
$546
outward: Oct 9, 2018
6:00p SEA » 12:50p LHR
Air Canada 1 stop (18h50m)
inbound: Oct 29, 2018
3:30p LHR » 4:10a SEA
Air Canada 1 stop (12h40m)
$546
outward: Oct 11, 2018
7:15p SEA » 11:00a LHR
Air Canada 1 stop (15h45m)
inbound: Oct 18, 2018
3:10p LHR » 5:20a SEA
Air Canada 1 stop (14h10m)
$546
outward: Oct 9, 2018
6:00p SEA » 12:50p LHR
Air Canada 1 stop (18h50m)
inbound: Oct 29, 2018
3:30p LHR » 4:10a SEA
Air Canada 1 stop (12h40m)
$546
outward: Oct 11, 2018
7:15p SEA » 11:00a LHR
Air Canada 1 stop (15h45m)
inbound: Oct 18, 2018
3:10p LHR » 5:20a SEA
Air Canada 1 stop (14h10m)
$546
outward: Oct 9, 2018
6:00p SEA » 12:50p LHR
Air Canada 1 stop (18h50m)
inbound: Oct 29, 2018
3:30p LHR » 4:10a SEA
Air Canada 1 stop (12h40m)
$546
outward: Oct 11, 2018
7:15p SEA » 11:00a LHR
Air Canada 1 stop (15h45m)
inbound: Oct 18, 2018
3:10p LHR » 5:20a SEA
Air Canada 1 stop (14h10m)
$547
outward: Oct 11, 2018
7:15p SEA » 11:00a LHR
Air Canada 1 stop (15h45m)
inbound: Oct 18, 2018
3:10p LHR » 5:20a SEA
Air Canada 1 stop (14h10m)
$613
outward: Oct 9, 2018
6:00p SEA » 12:50p LHR
Air Canada 1 stop (18h50m)
inbound: Oct 29, 2018
3:30p LHR » 4:10a SEA
Air Canada 1 stop (12h40m)
$614
outward: Oct 11, 2018
9:05p SEA » 12:50p LHR
Air Canada 1 stop (15h45m)
inbound: Oct 18, 2018
11:05a LHR » 5:20a SEA
Air Canada 2 stops (18h15m)
$614
outward: Oct 11, 2018
7:15p SEA » 11:00a LHR
Air Canada 1 stop (15h45m)
inbound: Oct 18, 2018
3:10p LHR » 5:20a SEA
Air Canada 1 stop (14h10m)
$756
outward: Jun 7, 2019
3:40a SEA » 12:55p LHR
Virgin Atlantic direct (9h15m)
inbound: Jun 13, 2019
3:30p LHR » 1:10a SEA
Virgin Atlantic direct (9h40m)
$774
outward: Jun 7, 2019
4:00p SEA » 6:55a LHR
United Airlines 1 stop (14h55m)
inbound: Jun 14, 2019
7:00p LHR » 7:31p SEA
United Airlines 1 stop (24h31m)
$778
outward: Jun 7, 2019
12:50a SEA » 12:45p LHR
Icelandair 1 stop (11h55m)
inbound: Jun 15, 2019
2:05p LGW » 2:55a SEA
Icelandair 1 stop (12h50m)
$785
outward: Jun 7, 2019
12:50a SEA » 12:45p LGW
Icelandair 1 stop (11h55m)
inbound: Jun 14, 2019
2:05p LHR » 2:55a SEA
Icelandair 1 stop (12h50m)
$785
outward: Jun 8, 2019
12:50a SEA » 12:45p LGW
Icelandair 1 stop (11h55m)
inbound: Jun 15, 2019
2:05p LHR » 2:55a SEA
Icelandair 1 stop (12h50m)
$785
outward: Jun 9, 2019
12:50a SEA » 12:45p LGW
Icelandair 1 stop (11h55m)
inbound: Jun 15, 2019
2:05p LHR » 2:55a SEA
Icelandair 1 stop (12h50m)
$806
outward: Jun 8, 2019
3:40a SEA » 12:55p LHR
Virgin Atlantic direct (9h15m)
inbound: Jun 13, 2019
3:30p LHR » 1:10a SEA
Virgin Atlantic direct (9h40m)
$1,197
outward: Jun 9, 2019
12:50a SEA » 12:45p LGW
Icelandair 1 stop (11h55m)
inbound: Jun 13, 2019
2:05p LGW » 2:55a SEA
Icelandair 1 stop (12h50m)
$1,197
outward: Jun 9, 2019
12:50a SEA » 12:45p LGW
Icelandair 1 stop (11h55m)
inbound: Jun 14, 2019
2:05p LGW » 2:55a SEA
Icelandair 1 stop (12h50m)
Return
Departure
10 June Jun Monday $retDate.dayShortName
11 June Jun Tuesday $retDate.dayShortName
12 June Jun Wednesday $retDate.dayShortName
13 June Jun Thursday $retDate.dayShortName
14 June Jun Friday $retDate.dayShortName
15 June Jun Saturday $retDate.dayShortName
16 June Jun Sunday $retDate.dayShortName
05 June Jun Wednesday $outDate.dayShortName
06 June Jun Thursday $outDate.dayShortName
07 June Jun Friday $outDate.dayShortName
$756 $773 $778
08 June Jun Saturday $outDate.dayShortName
$806 $785
09 June Jun Sunday $outDate.dayShortName
$1,197 $1,197 $785
10 June Jun Monday $outDate.dayShortName
11 June Jun Tuesday $outDate.dayShortName
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: Las Vegas - London New York - London Miami - London Chicago - London San Francisco - London See more routes

Airlines operating flights from Seattle to London

Sorry! We haven't found any airline tickets from Seattle to London. Try launching another search above.

Travel tips for flights Seattle - London

Average flight duration: 9h27m (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:
  • Sep 22, 2018 6:30 AM, GMT+1
  • Weather:
  • min. 47ºF, max. 58ºF
  • Departure city:
  • Seattle, USA
  • Airport(s):
  • Kenmore Air Harbor Seaplane Base (LKE)
  • Seattle–Tacoma International Airport (SEA)
  • Local time:
  • Sep 21, 2018 10:30 PM, GMT-7
  • Weather:
  • min. 52ºF, max. 62ºF