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

Cheapest dates for London - Seattle tickets

  • any
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • any
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • price
  • month of departure
  • month of return
£269
outward: 21-May-2019
15:05 LHR » 02:57 SEA
United Airlines 1 stop (11h52m)
inbound: 28-May-2019
16:10 SEA » 07:55 LHR
United Airlines 1 stop (15h45m)
£272
outward: 14-May-2019
15:05 LHR » 02:57 SEA
United Airlines 1 stop (11h52m)
inbound: 05-Jun-2019
08:17 SEA » 21:40 LHR
United Airlines 1 stop (13h23m)
£275
outward: 06-May-2019
15:05 LHR » 02:57 SEA
United Airlines 1 stop (11h52m)
inbound: 21-May-2019
18:55 SEA » 12:50 LHR
United Airlines 1 stop (17h55m)
£276
outward: 09-Apr-2019
15:05 LHR » 02:40 SEA
United Airlines 1 stop (11h35m)
inbound: 16-Apr-2019
14:00 SEA » 12:35 LHR
United Airlines 1 stop (22h35m)
£276
outward: 09-Apr-2019
15:05 LHR » 02:40 SEA
United Airlines 1 stop (11h35m)
inbound: 16-Apr-2019
14:00 SEA » 12:35 LHR
United Airlines 1 stop (22h35m)
£276
outward: 09-Apr-2019
15:05 LHR » 02:40 SEA
United Airlines 1 stop (11h35m)
inbound: 16-Apr-2019
14:00 SEA » 12:35 LHR
United Airlines 1 stop (22h35m)
£277
outward: 09-Apr-2019
15:05 LHR » 02:40 SEA
United Airlines 1 stop (11h35m)
inbound: 16-Apr-2019
14:00 SEA » 12:35 LHR
United Airlines 1 stop (22h35m)
£279
outward: 25-Jun-2019
10:30 LHR » 07:35 SEA
United Airlines 1 stop (21h05m)
inbound: 10-Jul-2019
01:05 SEA » 15:10 LHR
United Airlines 1 stop (14h05m)
£280
outward: 02-Apr-2019
09:30 LHR » 06:06 SEA
United Airlines 1 stop (20h36m)
inbound: 09-Apr-2019
15:23 SEA » 11:10 LHR
United Airlines 2 stops (19h47m)
£280
outward: 16-Apr-2019
15:05 LHR » 02:40 SEA
United Airlines 1 stop (11h35m)
inbound: 23-Apr-2019
16:50 SEA » 22:00 LHR
United Airlines 1 stop (29h10m)
£280
outward: 03-Sep-2019
10:30 LHR » 07:35 SEA
United Airlines 1 stop (21h05m)
inbound: 17-Sep-2019
17:17 SEA » 07:45 LHR
Lufthansa 1 stop (14h28m)
£280
outward: 02-Apr-2019
09:30 LHR » 06:06 SEA
United Airlines 1 stop (20h36m)
inbound: 09-Apr-2019
15:23 SEA » 11:10 LHR
United Airlines 2 stops (19h47m)
£281
outward: 03-Sep-2019
10:30 LHR » 07:35 SEA
United Airlines 1 stop (21h05m)
inbound: 17-Sep-2019
17:17 SEA » 07:45 LHR
Lufthansa 1 stop (14h28m)
£281
outward: 25-Jun-2019
10:30 LHR » 07:35 SEA
United Airlines 1 stop (21h05m)
inbound: 10-Jul-2019
01:05 SEA » 15:10 LHR
United Airlines 1 stop (14h05m)
£283
outward: 14-May-2019
15:05 LHR » 02:57 SEA
Unknown Company 1 stop (11h52m)
inbound: 21-May-2019
21:51 SEA » 11:30 LHR
Unknown Company 1 stop (13h39m)
£286
outward: 27-Aug-2019
11:05 LHR » 18:22 SEA
Air Canada 1 stop (31h17m)
inbound: 11-Sep-2019
00:15 SEA » 14:25 LHR
Air Canada 1 stop (14h10m)
£286
outward: 11-Jun-2019
13:05 LHR » 06:56 SEA
Air Canada 1 stop (17h51m)
inbound: 25-Jun-2019
18:15 SEA » 12:35 LHR
United Airlines 1 stop (18h20m)
£289
outward: 02-Jul-2019
10:30 LHR » 06:20 SEA
Unknown Company 1 stop (19h50m)
inbound: 10-Jul-2019
05:20 SEA » 14:25 LHR
Air Canada 1 stop (33h05m)
£293
outward: 04-May-2019
15:25 LHR » 02:57 SEA
United Airlines 1 stop (11h32m)
inbound: 13-May-2019
08:05 SEA » 06:55 LHR
United Airlines 1 stop (22h50m)
£293
outward: 27-Apr-2019
15:25 LHR » 05:10 SEA
United Airlines 1 stop (13h45m)
inbound: 06-May-2019
07:40 SEA » 21:55 LHR
United Airlines 1 stop (14h15m)
£294
outward: 21-May-2019
15:05 LHR » 02:57 SEA
United Airlines 1 stop (11h52m)
inbound: 02-Jun-2019
08:17 SEA » 21:40 LHR
United Airlines 1 stop (13h23m)
£294
outward: 10-Sep-2019
08:30 LHR » 05:12 SEA
Lufthansa 1 stop (20h42m)
inbound: 02-Oct-2019
16:00 SEA » 06:55 LHR
Lufthansa 1 stop (14h55m)
£295
outward: 02-May-2019
15:05 LHR » 02:57 SEA
United Airlines 1 stop (11h52m)
inbound: 07-May-2019
18:55 SEA » 12:50 LHR
Lufthansa 1 stop (17h55m)
£296
outward: 25-May-2019
15:25 LHR » 02:57 SEA
United Airlines 1 stop (11h32m)
inbound: 30-May-2019
00:15 SEA » 12:50 LHR
United Airlines 1 stop (12h35m)
£299
outward: 23-May-2019
15:05 LHR » 02:57 SEA
United Airlines 1 stop (11h52m)
inbound: 27-May-2019
18:55 SEA » 12:50 LHR
United Airlines 1 stop (17h55m)
£299
outward: 02-May-2019
15:05 LHR » 02:57 SEA
United Airlines 1 stop (11h52m)
inbound: 06-May-2019
14:00 SEA » 08:40 LHR
United Airlines 1 stop (18h40m)
£300
outward: 04-Apr-2019
09:30 LHR » 07:27 SEA
United Airlines 1 stop (21h57m)
inbound: 09-Apr-2019
15:23 SEA » 11:10 LHR
United Airlines 2 stops (19h47m)
£301
outward: 04-Apr-2019
09:30 LHR » 07:27 SEA
United Airlines 1 stop (21h57m)
inbound: 09-Apr-2019
15:23 SEA » 11:10 LHR
United Airlines 2 stops (19h47m)
£301
outward: 04-Apr-2019
09:30 LHR » 07:27 SEA
United Airlines 1 stop (21h57m)
inbound: 10-Apr-2019
15:00 SEA » 07:55 LHR
United Airlines 1 stop (16h55m)
£301
outward: 04-Apr-2019
09:30 LHR » 07:27 SEA
United Airlines 1 stop (21h57m)
inbound: 10-Apr-2019
15:00 SEA » 07:55 LHR
United Airlines 1 stop (16h55m)
Return
Departure
15 February Feb Friday $retDate.dayShortName
16 February Feb Saturday $retDate.dayShortName
17 February Feb Sunday $retDate.dayShortName
18 February Feb Monday $retDate.dayShortName
19 February Feb Tuesday $retDate.dayShortName
20 February Feb Wednesday $retDate.dayShortName
21 February Feb Thursday $retDate.dayShortName
08 February Feb Friday $outDate.dayShortName
£480
09 February Feb Saturday $outDate.dayShortName
10 February Feb Sunday $outDate.dayShortName
11 February Feb Monday $outDate.dayShortName
£400 £455
12 February Feb Tuesday $outDate.dayShortName
£434 £400 £399
13 February Feb Wednesday $outDate.dayShortName
£429
14 February Feb Thursday $outDate.dayShortName
£400 £420 £412 £412
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:

Airlines operating flights from London to Seattle

  • any
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • all
  • Air Canada
  • Air France
  • Air New Zealand
  • British Airways
  • Brussels Airlines
  • Delta Air Lines
  • Iberia
  • Icelandair
  • KLM
  • Lufthansa
  • United Airlines
  • Virgin Atlantic
  • WestJet
outbound: 27-Feb-2019
WestJet 1 stop
return: 03-Mar-2019
Alaska Airlines 1 stop
outbound: 14-May-2019
Lufthansa 1 stop
return: 04-Jun-2019
United Airlines 1 stop
outbound: 05-Sep-2019
United Airlines 1 stop
return: 22-Sep-2019
United Airlines 1 stop
outbound: 15-Mar-2019
Air Canada 1 stop
return: 18-Mar-2019
United Airlines 1 stop
outbound: 15-Mar-2019
Virgin Atlantic direct
return: 18-Mar-2019
Virgin Atlantic direct
outbound: 04-May-2019
Delta Air Lines 1 stop
return: 12-May-2019
Delta Air Lines 1 stop
outbound: 29-Jun-2019
KLM 1 stop
return: 13-Jul-2019
KLM 1 stop
outbound: 02-Apr-2019
British Airways direct
return: 09-Apr-2019
British Airways direct
outbound: 01-Mar-2019
Air New Zealand 1 stop
return: 16-Mar-2019
Alaska Airlines 1 stop
outbound: 04-May-2019
Icelandair 1 stop
return: 12-May-2019
Icelandair 1 stop
outbound: 28-Nov-2019
Air France 1 stop
return: 28-Nov-2019
Aer Lingus 1 stop
outbound: 06-Jul-2019
Brussels Airlines 1 stop
return: 13-Jul-2019
Air Canada 1 stop
outbound: 06-Jul-2019
Iberia direct
return: 13-Jul-2019
Iberia direct

About London - Seattle flights

Average flight duration: 17h22m (flight with stopovers)

  • Arrival city:
  • Seattle, USA
  • Airport(s):
  • Kenmore Air Harbor Seaplane Base (LKE)
  • Seattle–Tacoma International Airport (SEA)
  • Local time:
  • 17-Jan-2019 21:21, GMT-8
  • Weather:
  • min. 6ºC, 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:
  • 18-Jan-2019 05:21, GMT+0
  • Weather:
  • min. 3ºC, max. 6ºC

Most popular cheap hotels in Seattle