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Find flight deals from London Heathrow to Seattle/Tacoma Intl (LHR - SEA)

Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights from London Heathrow to Seattle/Tacoma Intl

(Round-trip)
Depart: Sat 10 Jan 2015 Return: Sat 24 Jan 2015 Trip spans 15 days
Icelandair
Icelandair
LHR
08:00
SEA
19:40
11h 40m
1 stop
SEA
10:30
LHR
06:30
20h 00m
1 stop
Depart: Sun 11 Jan 2015 Return: Sun 18 Jan 2015 Trip spans 8 days
Icelandair
Icelandair
LHR
08:00
SEA
19:40
11h 40m
1 stop
SEA
10:30
LHR
22:30
12h 00m
1 stop
Depart: Thu 22 Jan 2015 Return: Sun 25 Jan 2015 Trip spans 4 days
Icelandair
Icelandair
LHR
08:00
SEA
19:40
11h 40m
1 stop
SEA
10:30
LHR
22:30
12h 00m
1 stop
Depart: Sun 1 Feb 2015 Return: Mon 23 Feb 2015 Trip spans 23 days
Icelandair
Icelandair
LHR
08:00
SEA
19:40
11h 40m
1 stop
SEA
10:30
LHR
22:30
12h 00m
1 stop
Depart: Tue 3 Feb 2015 Return: Fri 6 Feb 2015 Trip spans 4 days
Icelandair
Icelandair
LHR
15:35
SEA
19:40
28h 05m
1 stop
SEA
10:30
LHR
06:30
20h 00m
1 stop
Depart: Fri 13 Feb 2015 Return: Sun 1 Mar 2015 Trip spans 17 days
Icelandair
Icelandair
LHR
08:00
SEA
19:40
11h 40m
1 stop
SEA
10:30
LHR
06:30
20h 00m
1 stop
Depart: Sun 1 Mar 2015 Return: Sun 8 Mar 2015 Trip spans 7 days
Icelandair
Icelandair
LHR
08:00
SEA
19:40
11h 40m
1 stop
SEA
12:30
LHR
08:30
20h 00m
1 stop
Depart: Mon 2 Mar 2015 Return: Wed 18 Mar 2015 Trip spans 16 days
Icelandair
Icelandair
LHR
08:00
SEA
19:40
11h 40m
1 stop
SEA
12:30
LHR
00:30
12h 00m
1 stop
Depart: Thu 20 Nov 2014 Return: Mon 24 Nov 2014 Trip spans 5 days
Icelandair
Icelandair
LHR
15:35
SEA
19:40
28h 05m
1 stop
SEA
10:30
LHR
22:30
12h 00m
1 stop
Depart: Wed 11 Feb 2015 Return: Sat 21 Feb 2015 Trip spans 11 days
Icelandair
Icelandair
LHR
08:00
SEA
19:40
11h 40m
1 stop
SEA
10:30
LHR
22:30
12h 00m
1 stop
Depart: Sun 22 Mar 2015 Return: Sun 29 Mar 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
LHR
11:30
SEA
13:05
25h 35m
1 stop
SEA
06:55
LHR
23:15
16h 20m
1 stop
Depart: Wed 7 Jan 2015 Return: Wed 21 Jan 2015 Trip spans 15 days
Delta
Delta
LHR
08:00
SEA
18:28
10h 28m
nonstop
SEA
07:30
LHR
23:00
15h 30m
1 stop
Depart: Sun 8 Mar 2015 Return: Sun 15 Mar 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
LHR
11:30
SEA
12:35
25h 05m
1 stop
SEA
06:55
LHR
23:40
16h 45m
1 stop
Depart: Tue 9 Dec 2014 Return: Fri 30 Jan 2015 Trip spans 53 days
SAS
SAS
LHR
02:05
SEA
00:06
22h 01m
2 stops
SEA
09:01
LHR
03:00
17h 59m
2 stops
Depart: Wed 14 Jan 2015 Return: Wed 21 Jan 2015 Trip spans 8 days
SAS
SAS
LHR
01:40
SEA
00:29
22h 49m
2 stops
SEA
02:40
LHR
03:00
24h 20m
2 stops
Depart: Wed 21 Jan 2015 Return: Wed 28 Jan 2015 Trip spans 8 days
SAS
SAS
LHR
01:40
SEA
00:15
22h 35m
2 stops
SEA
02:40
LHR
03:00
24h 20m
2 stops
Depart: Fri 20 Mar 2015 Return: Mon 23 Mar 2015 Trip spans 4 days
Icelandair
Icelandair
LHR
09:00
SEA
20:40
11h 40m
1 stop
SEA
12:30
LHR
00:30
12h 00m
1 stop
Depart: Wed 5 Nov 2014 Return: Tue 18 Nov 2014 Trip spans 14 days
SAS
SAS
LHR
15:30
SEA
23:43
32h 13m
2 stops
SEA
09:13
LHR
03:00
17h 47m
2 stops
Depart: Thu 12 Feb 2015 Return: Fri 20 Feb 2015 Trip spans 9 days
SAS
SAS
LHR
15:30
SEA
23:25
31h 55m
2 stops
SEA
09:10
LHR
05:30
20h 20m
2 stops
Depart: Mon 17 Nov 2014 Return: Sun 14 Dec 2014 Trip spans 28 days
Delta
Delta
LHR
07:50
SEA
00:27
16h 37m
1 stop
SEA
17:30
LHR
07:10
13h 40m
1 stop
Change your search
Direct flights LHR - SEA on British Airways
Flight No. Departure LHR Arrival SEA Mon Tue Wed Thu Fri Sat Sun Valid between
53 09:20 11:05 30 Nov - 7 Dec
53 09:20 11:05 2 Nov - 23 Nov
53 09:20 11:05 8 Dec - 15 Dec
49 14:15 16:05 2 Nov - 24 Dec
Airports
Origin

London
£501
Destination

Seattle
£501