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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: Wed Mar 4 2015 Return: Wed Mar 11 2015 Trip spans 7 days
Delta
Delta
LHR
7:50a
SEA
10:00p
14h 10m
1 stop
SEA
8:36a
LHR
4:25a
19h 49m
1 stop
Depart: Tue Feb 3 2015 Return: Wed Feb 18 2015 Trip spans 16 days
Iberia
Iberia
LHR
2:25a
SEA
12:59a
22h 34m
2 stops
SEA
2:00a
LHR
5:20p
15h 20m
1 stop
Depart: Thu Feb 12 2015 Return: Mon Feb 16 2015 Trip spans 5 days
US Airways
US Airways
LHR
6:40a
SEA
12:00a
17h 20m
1 stop
SEA
1:40a
LHR
8:25p
18h 45m
1 stop
Depart: Mon Mar 16 2015 Return: Wed Mar 25 2015 Trip spans 10 days
KLM Royal Dutch
KLM Royal Dutch
LHR
2:30a
SEA
4:00p
13h 30m
1 stop
SEA
3:52p
LHR
1:25a
9h 33m
nonstop
Depart: Wed Mar 25 2015 Return: Mon Apr 13 2015 Trip spans 20 days
Lufthansa
Lufthansa
LHR
2:30a
SEA
4:15p
13h 45m
1 stop
SEA
9:46a
LHR
11:20p
13h 34m
1 stop
Depart: Thu Jan 29 2015 Return: Wed Feb 4 2015 Trip spans 7 days
SAS
SAS
LHR
2:05a
SEA
12:16a
22h 11m
2 stops
SEA
2:40a
LHR
5:30a
26h 50m
2 stops
Depart: Fri Feb 13 2015 Return: Mon Feb 16 2015 Trip spans 4 days
Lufthansa
Lufthansa
LCY
12:15p
SEA
3:15p
27h 00m
1 stop
SEA
9:05a
LCY
3:40a
18h 35m
1 stop
Depart: Thu Mar 26 2015 Return: Tue Apr 14 2015 Trip spans 20 days
United
United
LHR
10:25a
SEA
3:37a
17h 12m
1 stop
SEA
8:35a
LHR
11:40p
15h 05m
1 stop
Depart: Wed May 6 2015 Return: Wed May 13 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
LHR
12:15p
SEA
1:35p
25h 20m
1 stop
SEA
6:20a
LHR
11:25p
17h 05m
1 stop
Depart: Sun Mar 29 2015 Return: Wed Apr 8 2015 Trip spans 11 days
Air France
Air France
LHR
2:40a
SEA
3:43p
13h 03m
1 stop
SEA
3:10p
LHR
1:00a
9h 50m
nonstop
Depart: Thu May 7 2015 Return: Sun May 10 2015 Trip spans 4 days
American Airlines
American Airlines
LHR
10:00a
SEA
3:54a
17h 54m
1 stop
SEA
7:10a
LHR
2:20a
19h 10m
1 stop
Depart: Mon Mar 30 2015 Return: Wed Apr 8 2015 Trip spans 10 days
$1083
Select
Air Europa
Air Europa
LGW
6:10a
SEA
1:59a
43h 49m
2 stops
SEA
3:20a
LGW
4:20a
25h 00m
2 stops
Depart: Mon Jul 27 2015 Return: Tue Aug 18 2015 Trip spans 23 days
$1243
Select
Icelandair
Icelandair
LHR
9:00a
SEA
9:55p
12h 55m
1 stop
SEA
12:15p
LHR
8:10a
19h 55m
1 stop
Depart: Thu Jul 9 2015 Return: Mon Jul 13 2015 Trip spans 5 days
$1257
Select
Icelandair
Icelandair
LGW
9:10a
SEA
9:45p
12h 35m
1 stop
SEA
12:30p
LGW
11:45p
11h 15m
1 stop
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 3:24 pm Feb 1 - Feb 28
36 1:00 pm 3:26 pm Mar 1 - Mar 7
Airports
Origin

London
only $794
only $856
only $1083
Destination

Seattle
$794