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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
06:30
20h 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: Wed 26 Nov 2014 Return: Mon 1 Dec 2014 Trip spans 6 days
Multiple Airlines
Multiple Airlines
LHR
07:00
SEA
00:46
17h 46m
1 stop
SEA
07:35
LHR
22:15
14h 40m
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 7 Dec 2014 Return: Sun 14 Dec 2014 Trip spans 8 days
Lufthansa
Lufthansa
LHR
14:30
SEA
15:15
24h 45m
1 stop
SEA
09:05
LHR
22:45
13h 40m
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 7 Jan 2015 Trip spans 14 days
KLM Royal Dutch
KLM Royal Dutch
LHR
08:00
SEA
12:30
316h 30m
2 stops
SEA
13:37
LHR
23:25
9h 48m
nonstop
Depart: Wed 25 Mar 2015 Return: Wed 15 Apr 2015 Trip spans 22 days
Air France
Air France
LHR
09:00
SEA
12:10
507h 10m
2 stops
SEA
15:15
LHR
01:05
9h 50m
nonstop
Depart: Tue 13 Jan 2015 Return: Wed 28 Jan 2015 Trip spans 16 days
Delta
Delta
LHR
08:00
SEA
17:05
369h 05m
2 stops
SEA
13:37
LHR
23:25
9h 48m
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: 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
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