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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: Mon 26 Jan 2015 Return: Thu 5 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: Tue 10 Mar 2015 Return: Tue 24 Mar 2015 Trip spans 15 days
SAS
SAS
LHR
17:05
SEA
21:05
28h 00m
2 stops
SEA
19:40
LHR
02:05
30h 25m
2 stops
Depart: Thu 4 Dec 2014 Return: Thu 11 Dec 2014 Trip spans 8 days
Air Canada
Air Canada
LHR
09:25
SEA
21:29
12h 04m
1 stop
SEA
07:35
LHR
22:15
14h 40m
1 stop
Depart: Fri 5 Dec 2014 Return: Sun 7 Dec 2014 Trip spans 3 days
Multiple Airlines
Multiple Airlines
LHR
01:30
SEA
15:15
13h 45m
1 stop
SEA
14:00
LHR
22:15
32h 15m
1 stop
Depart: Tue 9 Dec 2014 Return: Wed 7 Jan 2015 Trip spans 30 days
United
United
LHR
02:50
SEA
23:36
20h 46m
2 stops
SEA
18:01
LHR
17:55
23h 54m
1 stop
Depart: Sun 1 Feb 2015 Return: Mon 16 Feb 2015 Trip spans 16 days
Austrian Airlines
Austrian Airlines
LHR
04:05
SEA
23:13
43h 08m
2 stops
SEA
01:03
LHR
05:40
28h 37m
2 stops
Depart: Thu 25 Dec 2014 Return: Wed 14 Jan 2015 Trip spans 21 days
KLM Royal Dutch
KLM Royal Dutch
LHR
08:00
SEA
12:34
484h 34m
2 stops
SEA
13:37
LHR
23:25
9h 48m
nonstop
Depart: Mon 1 Dec 2014 Return: Mon 8 Dec 2014 Trip spans 8 days
Air France
Air France
LHR
10:15
SEA
13:55
171h 40m
2 stops
SEA
13:42
LHR
23:25
9h 43m
nonstop
Depart: Thu 22 Jan 2015 Return: Thu 26 Feb 2015 Trip spans 36 days
Delta
Delta
LHR
10:00
SEA
18:00
848h 00m
2 stops
SEA
13:39
LHR
23:25
9h 46m
nonstop
Depart: Sun 29 Mar 2015 Return: Tue 14 Apr 2015 Trip spans 17 days
American Airlines
American Airlines
LHR
03:45
SEA
19:15
15h 30m
1 stop
SEA
03:00
LHR
23:00
20h 00m
1 stop
Depart: Sun 28 Dec 2014 Return: Mon 12 Jan 2015 Trip spans 16 days
US Airways
US Airways
LHR
06:40
SEA
23:53
17h 13m
1 stop
SEA
09:37
LHR
22:35
12h 58m
1 stop
Depart: Fri 27 Mar 2015 Return: Mon 13 Apr 2015 Trip spans 18 days
Iberia
Iberia
LHR
10:25
SEA
02:00
15h 35m
1 stop
SEA
03:00
LHR
18:20
15h 20m
1 stop
Depart: Sat 4 Apr 2015 Return: Fri 10 Apr 2015 Trip spans 7 days
British Airways
British Airways
LHR
11:00
SEA
03:35
16h 35m
1 stop
SEA
06:45
LHR
21:35
14h 50m
1 stop
Depart: Sun 23 Nov 2014 Return: Mon 1 Dec 2014 Trip spans 9 days
Lufthansa
Lufthansa
LHR
01:30
SEA
18:45
17h 15m
2 stops
SEA
09:05
LHR
02:40
17h 35m
1 stop
Depart: Sat 20 Dec 2014 Return: Fri 26 Dec 2014 Trip spans 7 days
Virgin Atlantic
Virgin Atlantic
LHR
08:00
SEA
18:21
10h 21m
nonstop
SEA
10:45
LHR
02:25
15h 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 28 Dec - 4 Jan
53 09:20 11:05 12 Dec - 21 Dec
53 09:20 11:05 1 Dec - 7 Dec
53 09:20 11:05 30 Nov - 30 Nov
53 09:20 11:05 8 Dec - 15 Dec
49 14:15 16:05 20 Nov - 24 Dec
49 14:15 16:05 26 Dec - 7 Mar
Airports
Origin

London
£504
Destination

Seattle
£504