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Find Deals on Flights from London to Seattle/Tacoma Intl (LON - SEA)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from London to Seattle/Tacoma Intl

(Round-trip)
Depart: Wed Nov 25 2015 Return: Sun Nov 29 2015 Trip spans 5 days
Icelandair
Icelandair
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
SEA
10:30a
LHR
10:30p
12h 00m
1 stop
Depart: Thu Dec 10 2015 Return: Wed Jan 6 2016 Trip spans 28 days
Delta
Delta
LHR
7:20a
SEA
12:20a
17h 00m
1 stop
SEA
8:20a
LHR
11:15p
14h 55m
1 stop
Depart: Sat Dec 12 2015 Return: Wed Jan 6 2016 Trip spans 26 days
Icelandair
Icelandair
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
SEA
10:30a
LHR
6:30a
20h 00m
1 stop
Depart: Sun Dec 13 2015 Return: Wed Jan 6 2016 Trip spans 25 days
Icelandair
Icelandair
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
SEA
10:30a
LHR
6:30a
20h 00m
1 stop
Depart: Wed Sep 2 2015 Return: Wed Sep 23 2015 Trip spans 22 days
United
United
LHR
6:35a
SEA
1:37a
19h 02m
2 stops
SEA
2:45a
LHR
12:20a
21h 35m
1 stop
Depart: Wed Oct 14 2015 Return: Wed Oct 21 2015 Trip spans 8 days
United
United
LHR
6:35a
SEA
1:45a
19h 10m
2 stops
SEA
8:40a
LHR
12:20a
15h 40m
1 stop
Depart: Mon Aug 31 2015 Return: Wed Sep 23 2015 Trip spans 24 days
United
United
LHR
6:35a
SEA
1:37a
19h 02m
2 stops
SEA
2:45a
LHR
12:20a
21h 35m
1 stop
Depart: Sun Oct 11 2015 Return: Wed Oct 21 2015 Trip spans 11 days
United
United
LHR
6:35a
SEA
10:42p
16h 07m
1 stop
SEA
8:40a
LHR
12:20a
15h 40m
1 stop
Depart: Mon Oct 12 2015 Return: Wed Oct 21 2015 Trip spans 10 days
United
United
LHR
6:35a
SEA
1:45a
19h 10m
2 stops
SEA
8:40a
LHR
12:20a
15h 40m
1 stop
Depart: Thu Oct 15 2015 Return: Wed Oct 21 2015 Trip spans 7 days
United
United
LHR
6:35a
SEA
11:02p
16h 27m
1 stop
SEA
8:40a
LHR
12:20a
15h 40m
1 stop
Depart: Sun Dec 27 2015 Return: Mon Jan 18 2016 Trip spans 23 days
Icelandair
Icelandair
LHR
3:35p
SEA
7:40p
28h 05m
1 stop
SEA
10:30a
LHR
10:30p
12h 00m
1 stop
Depart: Tue Dec 15 2015 Return: Wed Jan 6 2016 Trip spans 23 days
Icelandair
Icelandair
LGW
7:30a
SEA
7:40p
12h 10m
1 stop
SEA
10:30a
LGW
10:15p
11h 45m
1 stop
Depart: Mon Dec 14 2015 Return: Thu Jan 7 2016 Trip spans 25 days
Icelandair
Icelandair
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
SEA
10:30a
LHR
6:30a
20h 00m
1 stop
Depart: Thu Oct 8 2015 Return: Sun Oct 18 2015 Trip spans 11 days
Icelandair
Icelandair
LHR
5:10p
SEA
9:55p
28h 45m
1 stop
SEA
12:30p
LHR
11:45p
11h 15m
1 stop
Depart: Thu Sep 3 2015 Return: Thu Oct 1 2015 Trip spans 29 days
United
United
LHR
6:35a
SEA
3:39a
21h 04m
2 stops
SEA
8:35a
LHR
12:20a
15h 45m
2 stops
Depart: Sun Aug 30 2015 Return: Wed Sep 23 2015 Trip spans 25 days
United
United
LHR
6:35a
SEA
1:37a
19h 02m
2 stops
SEA
2:45a
LHR
12:20a
21h 35m
1 stop
Depart: Tue Oct 13 2015 Return: Tue Oct 20 2015 Trip spans 8 days
$1004
Select
Icelandair
Icelandair
LHR
9:00a
SEA
9:45p
12h 45m
1 stop
SEA
12:30p
LHR
11:45p
11h 15m
1 stop
Depart: Tue Aug 18 2015 Return: Mon Aug 31 2015 Trip spans 14 days
$1166
Select
Air Canada
Air Canada
LHR
11:00a
SEA
2:17a
15h 17m
1 stop
SEA
7:05p
LHR
6:25p
23h 20m
1 stop
Depart: Sat Jul 4 2015 Return: Thu Jul 9 2015 Trip spans 6 days
$1779
Select
Lufthansa
Lufthansa
LHR
2:30a
SEA
3:30p
13h 00m
1 stop
SEA
9:05a
LHR
10:20p
13h 15m
1 stop
Depart: Sun Jul 5 2015 Return: Thu Jul 9 2015 Trip spans 5 days
$2065
Select
Aeroflot
Aeroflot
LHR
6:45p
SEA
4:24a
33h 39m
2 stops
SEA
7:59p
LHR
8:05a
36h 06m
2 stops
Direct flights LON to SEA on Delta
Flight # Depart LHR Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
36 1:05 pm 3:20 pm Jul 1 - Aug 31
Airports
Origin

London
only $836
only $980
Destination

Seattle
$836