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

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

Book cheap flights from London Heathrow to Seattle/Tacoma Intl

(Round-trip)
Depart: Thu Oct 15 2015 Return: Wed Oct 21 2015 Trip spans 7 days
Icelandair
Icelandair
LHR
5:10p
SEA
9:55p
28h 45m
1 stop
SEA
12:30p
LHR
11:45p
11h 15m
1 stop
Depart: Fri Nov 20 2015 Return: Tue Dec 1 2015 Trip spans 12 days
Icelandair
Icelandair
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
SEA
10:30a
LHR
10:30p
12h 00m
1 stop
Depart: Wed Dec 2 2015 Return: Sun Dec 6 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 Nov 12 2015 Return: Wed Nov 18 2015 Trip spans 7 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 Nov 5 2015 Return: Sun Nov 15 2015 Trip spans 11 days
Icelandair
Icelandair
LHR
8:00a
SEA
7:40p
11h 40m
1 stop
SEA
10:30a
LHR
10:30p
12h 00m
1 stop
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
6:30a
20h 00m
1 stop
Depart: Wed Nov 4 2015 Return: Wed Nov 25 2015 Trip spans 22 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 Dec 10 2015 Return: Tue Jan 12 2016 Trip spans 34 days
Delta
Delta
LHR
8:00a
SEA
6:51p
10h 51m
nonstop
SEA
5:55a
LHR
2:25a
20h 30m
1 stop
Depart: Thu Oct 8 2015 Return: Thu Oct 15 2015 Trip spans 8 days
Icelandair
Icelandair
LHR
5:10p
SEA
9:55p
28h 45m
1 stop
SEA
12:30p
LHR
11:45p
11h 15m
1 stop
Depart: Sun Nov 1 2015 Return: Sun Nov 22 2015 Trip spans 22 days
American Airlines
American Airlines
LHR
8:30a
SEA
3:37a
19h 07m
1 stop
SEA
4:15a
LHR
12:15a
20h 00m
1 stop
Depart: Tue Nov 3 2015 Return: Sun Nov 22 2015 Trip spans 20 days
American Airlines
American Airlines
LHR
8:30a
SEA
3:37a
19h 07m
1 stop
SEA
6:45a
LHR
12:15a
17h 30m
1 stop
Depart: Sun Nov 8 2015 Return: Tue Nov 24 2015 Trip spans 17 days
American Airlines
American Airlines
LHR
8:30a
SEA
3:37a
19h 07m
1 stop
SEA
2:30a
LHR
12:15a
21h 45m
1 stop
Depart: Mon Aug 31 2015 Return: Mon Sep 21 2015 Trip spans 22 days
American Airlines
American Airlines
LHR
10:00a
SEA
3:52a
17h 52m
1 stop
SEA
7:00a
LHR
2:20a
19h 20m
1 stop
Depart: Wed Aug 19 2015 Return: Wed Sep 16 2015 Trip spans 29 days
$1004
Select
Delta
Delta
LHR
9:05a
SEA
7:20p
10h 15m
nonstop
SEA
12:34p
LHR
3:50a
15h 16m
1 stop
Depart: Tue Sep 1 2015 Return: Wed Sep 16 2015 Trip spans 16 days
$1004
Select
Delta
Delta
LHR
9:05a
SEA
7:33p
10h 28m
nonstop
SEA
10:36a
LHR
3:50a
17h 14m
1 stop
Depart: Wed Sep 2 2015 Return: Wed Sep 16 2015 Trip spans 15 days
$1004
Select
Delta
Delta
LHR
9:05a
SEA
7:33p
10h 28m
nonstop
SEA
12:34p
LHR
3:50a
15h 16m
1 stop
Depart: Sat Oct 10 2015 Return: Sat Oct 17 2015 Trip spans 8 days
$1093
Select
US Airways
US Airways
LHR
8:50a
SEA
1:21a
16h 31m
1 stop
SEA
3:00a
LHR
6:50p
15h 50m
1 stop
Depart: Mon Aug 17 2015 Return: Wed Aug 26 2015 Trip spans 10 days
$1297
Select
KLM Royal Dutch
KLM Royal Dutch
LHR
2:30a
SEA
3:09p
12h 39m
1 stop
SEA
2:10p
LHR
4:15a
14h 05m
1 stop
Depart: Mon Jul 13 2015 Return: Mon Jul 20 2015 Trip spans 8 days
$1657
Select
LOT Polish Air
LOT Polish Air
LHR
6:15a
SEA
5:10a
22h 55m
2 stops
SEA
2:45a
LHR
5:00a
26h 15m
2 stops
Depart: Sat Jul 25 2015 Return: Wed Sep 2 2015 Trip spans 40 days
$1859
Select
United
United
LHR
2:00p
SEA
2:03p
24h 03m
1 stop
SEA
7:38a
LHR
10:10p
14h 32m
1 stop
Direct flights LHR 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
$790
Destination

Seattle
$790