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

Cheapest dates for London - Seattle tickets

  • any
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • any
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • price
  • month of departure
  • month of return
£314
outward: 08-Dec-2018
21:05 LHR » 19:35 SEA
Virgin Atlantic 1 stop (22h30m)
inbound: 10-Dec-2018
19:00 SEA » 14:30 LHR
Virgin Atlantic 1 stop (19h30m)
£349
outward: 01-Feb-2019
12:50 LGW » 02:00 SEA
Icelandair 1 stop (13h10m)
inbound: 11-Feb-2019
23:40 SEA » 11:50 LHR
Icelandair 1 stop (12h10m)
£352
outward: 05-Feb-2019
12:50 LGW » 02:00 SEA
Icelandair 1 stop (13h10m)
inbound: 10-Feb-2019
23:40 SEA » 11:50 LHR
Icelandair 1 stop (12h10m)
£358
outward: 11-Feb-2019
12:50 LGW » 02:00 SEA
Icelandair 1 stop (13h10m)
inbound: 25-Feb-2019
23:40 SEA » 11:50 LHR
Icelandair 1 stop (12h10m)
£358
outward: 01-Feb-2019
12:50 LGW » 02:00 SEA
Icelandair 1 stop (13h10m)
inbound: 11-Feb-2019
23:40 SEA » 11:50 LHR
Icelandair 1 stop (12h10m)
£359
outward: 11-Feb-2019
12:50 LGW » 02:00 SEA
Icelandair 1 stop (13h10m)
inbound: 25-Feb-2019
23:40 SEA » 11:50 LHR
Icelandair 1 stop (12h10m)
£359
outward: 16-Jan-2019
12:50 LGW » 02:00 SEA
Icelandair 1 stop (13h10m)
inbound: 30-Jan-2019
23:40 SEA » 11:50 LHR
Icelandair 1 stop (12h10m)
£361
outward: 03-Sep-2019
21:25 LGW » 05:29 SEA
Iberia 2 stops (32h04m)
inbound: 17-Sep-2019
16:00 SEA » 23:45 LHR
Finnair 1 stop (31h45m)
£364
outward: 16-Jan-2019
12:50 LGW » 02:00 SEA
Icelandair 1 stop (13h10m)
inbound: 30-Jan-2019
23:40 SEA » 11:50 LHR
Icelandair 1 stop (12h10m)
£367
outward: 21-May-2019
07:30 LHR » 20:55 SEA
United Airlines 1 stop (13h25m)
inbound: 01-Jun-2019
16:00 SEA » 22:00 LHR
United Airlines 1 stop (30h)
£383
outward: 11-Jun-2019
21:25 LGW » 05:29 SEA
Iberia 2 stops (32h04m)
inbound: 25-Jun-2019
16:00 SEA » 23:45 LHR
Finnair 1 stop (31h45m)
£386
outward: 17-Sep-2019
07:30 LHR » 20:55 SEA
United Airlines 1 stop (13h25m)
inbound: 15-Oct-2019
19:10 SEA » 12:50 LHR
Lufthansa 1 stop (17h40m)
£396
outward: 06-May-2019
14:05 LGW » 02:55 SEA
Icelandair 1 stop (12h50m)
inbound: 21-May-2019
04:15 SEA » 21:10 LHR
Icelandair 1 stop (16h55m)
£396
outward: 06-Dec-2018
21:35 LHR » 02:00 SEA
Icelandair 1 stop (28h25m)
inbound: 10-Dec-2018
23:40 SEA » 11:50 LGW
Icelandair 1 stop (12h10m)
£398
outward: 18-Nov-2018
21:20 LGW » 02:00 SEA
Icelandair 1 stop (28h40m)
inbound: 09-Dec-2018
23:40 SEA » 11:50 LHR
Icelandair 1 stop (12h10m)
£399
outward: 18-Nov-2018
21:20 LGW » 02:00 SEA
Icelandair 1 stop (28h40m)
inbound: 09-Dec-2018
23:40 SEA » 11:50 LHR
Icelandair 1 stop (12h10m)
£400
outward: 09-Apr-2019
18:30 LHR » 20:55 SEA
Lufthansa 1 stop (26h25m)
inbound: 17-Apr-2019
07:40 SEA » 21:55 LHR
United Airlines 1 stop (14h15m)
£403
outward: 03-May-2019
14:05 LGW » 02:55 SEA
Icelandair 1 stop (12h50m)
inbound: 19-May-2019
04:10 SEA » 21:10 LHR
Icelandair 1 stop (17h)
£403
outward: 08-Dec-2018
13:55 LHR » 04:25 SEA
Virgin Atlantic 1 stop (38h30m)
inbound: 10-Dec-2018
18:40 SEA » 10:25 LGW
Virgin Atlantic 1 stop (15h45m)
£404
outward: 24-Mar-2019
21:20 LGW » 02:00 SEA
Icelandair 1 stop (28h40m)
inbound: 01-Apr-2019
00:50 SEA » 12:45 LHR
Icelandair 1 stop (11h55m)
£406
outward: 09-Apr-2019
18:30 LHR » 20:55 SEA
Lufthansa 1 stop (26h25m)
inbound: 17-Apr-2019
07:40 SEA » 21:55 LHR
United Airlines 1 stop (14h15m)
£406
outward: 09-Apr-2019
18:30 LHR » 20:55 SEA
Lufthansa 1 stop (26h25m)
inbound: 17-Apr-2019
07:40 SEA » 21:55 LHR
United Airlines 1 stop (14h15m)
£407
outward: 12-Sep-2019
18:50 LHR » 07:01 SEA
Brussels Airlines 2 stops (36h11m)
inbound: 30-Sep-2019
21:51 SEA » 11:30 LHR
United Airlines 1 stop (13h39m)
£408
outward: 09-Apr-2019
18:30 LHR » 20:55 SEA
Lufthansa 1 stop (26h25m)
inbound: 17-Apr-2019
07:40 SEA » 21:55 LHR
United Airlines 1 stop (14h15m)
£408
outward: 09-Apr-2019
18:30 LHR » 20:55 SEA
Lufthansa 1 stop (26h25m)
inbound: 17-Apr-2019
07:40 SEA » 21:55 LHR
United Airlines 1 stop (14h15m)
£408
outward: 09-Apr-2019
20:30 LHR » 20:55 SEA
Lufthansa 1 stop (24h25m)
inbound: 17-Apr-2019
07:40 SEA » 21:55 LHR
Unknown Company 1 stop (14h15m)
£410
outward: 13-Mar-2019
13:20 LHR » 02:00 SEA
Icelandair 1 stop (12h40m)
inbound: 21-Mar-2019
23:40 SEA » 11:50 LHR
Icelandair 1 stop (12h10m)
£410
outward: 19-Feb-2019
21:35 LHR » 02:00 SEA
Icelandair 1 stop (28h25m)
inbound: 26-Feb-2019
23:40 SEA » 11:50 LHR
Icelandair 1 stop (12h10m)
£425
outward: 04-Dec-2018
13:20 LHR » 02:00 SEA
Icelandair 1 stop (12h40m)
inbound: 11-Dec-2018
23:40 SEA » 11:50 LHR
Icelandair 1 stop (12h10m)
£430
outward: 20-Jan-2019
12:50 LGW » 02:00 SEA
Icelandair 1 stop (13h10m)
inbound: 01-Feb-2019
23:40 SEA » 11:50 LHR
Icelandair 1 stop (12h10m)
Return
Departure
01 January Jan Tuesday $retDate.dayShortName
02 January Jan Wednesday $retDate.dayShortName
03 January Jan Thursday $retDate.dayShortName
04 January Jan Friday $retDate.dayShortName
05 January Jan Saturday $retDate.dayShortName
06 January Jan Sunday $retDate.dayShortName
07 January Jan Monday $retDate.dayShortName
18 December Dec Tuesday $outDate.dayShortName
£524 £831 £861
19 December Dec Wednesday $outDate.dayShortName
£698 £734 £990 £941
20 December Dec Thursday $outDate.dayShortName
£492 £964 £939 £948 £877
21 December Dec Friday $outDate.dayShortName
£1073 £885
22 December Dec Saturday $outDate.dayShortName
£1013 £1015 £916
23 December Dec Sunday $outDate.dayShortName
£652 £796
24 December Dec Monday $outDate.dayShortName
£770
Choose when you'd like to depart to Seattle (USA):
Find the cheapest London Seattle flight by browsing the dates below to find alternative flight prices found in the last days. To launch a flight search for London - Seattle with these new dates, click on an offer. Want to depart from another city? Choose: Manchester - Seattle Birmingham - Seattle Glasgow - Seattle Edinburgh - Seattle See more routes

Airlines operating flights from London to Seattle

  • any
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • all
  • Aer Lingus
  • Air Canada
  • Air France
  • Air New Zealand
  • British Airways
  • Brussels Airlines
  • Delta Air Lines
  • Finnair
  • Iberia
  • Icelandair
  • KLM
  • Lufthansa
  • SAS
  • Swiss
  • United Airlines
  • Virgin Atlantic
  • WestJet
outbound: 13-Jul-2019
WestJet 1 stop
return: 27-Jul-2019
Icelandair 1 stop
outbound: 11-May-2019
Air Canada 2 stops
return: 25-May-2019
Air Canada 1 stop
outbound: 11-May-2019
KLM 1 stop
return: 25-May-2019
Delta Air Lines 1 stop
outbound: 06-Dec-2018
Air New Zealand 1 stop
return: 13-Dec-2018
Alaska Airlines 1 stop
outbound: 06-Dec-2018
Aer Lingus 1 stop
return: 13-Dec-2018
Aer Lingus 1 stop
outbound: 26-Mar-2019
United Airlines 1 stop
return: 02-Apr-2019
United Airlines 2 stops
outbound: 26-Mar-2019
Lufthansa 1 stop
return: 02-Apr-2019
United Airlines 1 stop
outbound: 06-Dec-2018
Virgin Atlantic 1 stop
return: 13-Dec-2018
Virgin Atlantic 1 stop
outbound: 21-Dec-2018
Icelandair 1 stop
return: 11-Jan-2019
Icelandair 1 stop
outbound: 12-Sep-2019
Brussels Airlines 2 stops
return: 30-Sep-2019
United Airlines 1 stop
outbound: 12-Sep-2019
Finnair direct
return: 30-Sep-2019
Finnair direct
outbound: 16-Jan-2019
Iberia direct
return: 23-Apr-2019
Iberia direct
outbound: 23-Dec-2018
British Airways direct
return: 06-Jan-2019
British Airways 1 stop
outbound: 15-Feb-2019
Air France 1 stop
return: 08-Mar-2019
Air France 1 stop
outbound: 07-Dec-2018
Delta Air Lines direct
return: 17-Dec-2018
Delta Air Lines direct
outbound: 19-Nov-2018
SAS 2 stops
return: 26-Nov-2018
SAS 2 stops
outbound: 13-Dec-2018
Swiss 2 stops
return: 18-Dec-2018
Lufthansa 1 stop

About London - Seattle flights

Average flight duration: 9h28m (direct flight)

  • Arrival city:
  • Seattle, USA
  • Airport(s):
  • Kenmore Air Harbor Seaplane Base (LKE)
  • Seattle–Tacoma International Airport (SEA)
  • Local time:
  • 17-Nov-2018 06:59, GMT-8
  • Weather:
  • min. 0ºC, max. 9ºC
  • Departure 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:
  • 17-Nov-2018 14:59, GMT+0
  • Weather:
  • min. 4ºC, max. 11ºC

Most popular cheap hotels in Seattle