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Find Flight Deals 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: Sun Mar 15 2015 Return: Thu Apr 30 2015 Trip spans 47 days
Virgin Atlantic
Virgin Atlantic
LHR
11:00a
SEA
12:59p
25h 59m
1 stop
SEA
3:10p
LHR
1:00a
9h 50m
nonstop
Depart: Thu Mar 5 2015 Return: Mon Mar 23 2015 Trip spans 18 days
US Airways
US Airways
LHR
6:40a
SEA
12:00a
17h 20m
1 stop
SEA
7:25a
LHR
11:30p
16h 05m
1 stop
Depart: Sat Mar 21 2015 Return: Sat Mar 28 2015 Trip spans 8 days
Lufthansa
Lufthansa
LHR
2:30a
SEA
4:15p
13h 45m
1 stop
SEA
5:25a
LHR
11:40p
18h 15m
1 stop
Depart: Thu May 21 2015 Return: Wed May 27 2015 Trip spans 7 days
United
United
LHR
6:35a
SEA
3:01a
20h 26m
2 stops
SEA
8:00a
LHR
12:20a
16h 20m
1 stop
Depart: Fri May 22 2015 Return: Mon May 25 2015 Trip spans 4 days
$1038
Select
American Airlines
American Airlines
LHR
8:50a
SEA
1:25a
16h 35m
1 stop
SEA
7:10a
LHR
2:20a
19h 10m
1 stop
Depart: Mon Apr 6 2015 Return: Sun Apr 19 2015 Trip spans 14 days
$1043
Select
Delta
Delta
LHR
9:05a
SEA
7:23p
10h 18m
nonstop
SEA
9:13a
LHR
3:50a
18h 37m
1 stop
Depart: Sun Mar 29 2015 Return: Wed Apr 15 2015 Trip spans 18 days
$1104
Select
SAS
SAS
LHR
2:15p
SEA
3:26p
49h 11m
2 stops
SEA
9:46a
LHR
7:30a
21h 44m
2 stops
Depart: Mon Aug 24 2015 Return: Fri Sep 11 2015 Trip spans 19 days
$1174
Select
Icelandair
Icelandair
LHR
5:10p
SEA
9:45p
28h 35m
1 stop
SEA
12:30p
LHR
8:10a
19h 40m
1 stop
Depart: Sun Aug 30 2015 Return: Mon Aug 31 2015 Trip spans 2 days
$1266
Select
Icelandair
Icelandair
LGW
9:10a
SEA
9:45p
12h 35m
1 stop
SEA
12:30p
LGW
11:45p
11h 15m
1 stop
Depart: Sun May 24 2015 Return: Wed May 27 2015 Trip spans 4 days
$1303
Select
Multiple Airlines
Multiple Airlines
LHR
5:10p
SEA
11:20p
30h 10m
3 stops
SEA
2:00a
LHR
8:10a
54h 10m
3 stops
Depart: Wed Jun 24 2015 Return: Tue Jul 21 2015 Trip spans 28 days
$1370
Select
Multiple Airlines
Multiple Airlines
LGW
6:00a
SEA
2:07a
20h 07m
2 stops
SEA
8:55p
LGW
10:05p
25h 10m
2 stops
Depart: Fri Jul 3 2015 Return: Fri Jul 24 2015 Trip spans 22 days
$1618
Select
LOT Polish Air
LOT Polish Air
LHR
6:15a
SEA
4:36a
22h 21m
2 stops
SEA
9:45a
LHR
5:00a
19h 15m
2 stops
Change your search
Direct flights LON to SEA on Delta
Flight # Depart LHR Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
36 1:00 pm 4:26 pm Mar 8 - Mar 28
36 1:00 pm 3:26 pm Mar 1 - Mar 7
36 1:05 pm 3:23 pm Mar 29 - Apr 30
Airports
Origin

London
only $821
only $1266
Destination

Seattle
$821