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Find Flight Deals 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: Tue Mar 17 2015 Return: Wed Apr 8 2015 Trip spans 23 days
Virgin Atlantic
Virgin Atlantic
LHR
9:00a
SEA
7:26p
10h 26m
nonstop
SEA
12:38p
LHR
3:50a
15h 12m
1 stop
Depart: Wed May 6 2015 Return: Thu May 21 2015 Trip spans 16 days
Multiple Airlines
Multiple Airlines
LHR
12:15p
SEA
2:15p
26h 00m
1 stop
SEA
7:00a
LHR
11:25p
16h 25m
1 stop
Depart: Fri Mar 6 2015 Return: Sun Mar 8 2015 Trip spans 2 days
Delta
Delta
LHR
5:55a
SEA
11:43p
17h 48m
1 stop
SEA
6:49p
LHR
9:10a
14h 21m
1 stop
Depart: Wed May 27 2015 Return: Mon Jun 1 2015 Trip spans 6 days
United
United
LHR
6:35a
SEA
10:13p
15h 38m
1 stop
SEA
8:00a
LHR
12:20a
16h 20m
1 stop
Depart: Sat May 23 2015 Return: Thu Jun 4 2015 Trip spans 13 days
$1010
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: Wed Sep 30 2015 Return: Wed Nov 18 2015 Trip spans 50 days
$1037
Select
Icelandair
Icelandair
LHR
5:10p
SEA
9:45p
28h 35m
1 stop
SEA
10:30a
LHR
6:30a
20h 00m
1 stop
Depart: Wed Apr 8 2015 Return: Wed Apr 22 2015 Trip spans 15 days
$1059
Select
SAS
SAS
LHR
3:05a
SEA
12:16a
21h 11m
2 stops
SEA
4:00a
LHR
4:00a
24h 00m
2 stops
Depart: Sat May 9 2015 Return: Mon May 18 2015 Trip spans 10 days
$1111
Select
US Airways
US Airways
LHR
4:20a
SEA
3:13a
22h 53m
3 stops
SEA
6:56a
LHR
11:25p
16h 29m
1 stop
Depart: Mon Mar 30 2015 Return: Mon Apr 13 2015 Trip spans 15 days
$1170
Select
Air France
Air France
LHR
9:05a
SEA
7:23p
10h 18m
nonstop
SEA
3:10p
LHR
1:00a
9h 50m
nonstop
Depart: Tue Jul 7 2015 Return: Tue Jul 28 2015 Trip spans 22 days
$1503
Select
Aeroflot
Aeroflot
LHR
6:45p
SEA
4:30a
33h 45m
2 stops
SEA
10:45a
LHR
9:45p
59h 00m
2 stops
Depart: Sat Mar 28 2015 Return: Wed Apr 22 2015 Trip spans 26 days
$1529
Select
Austrian Airlines
Austrian Airlines
LHR
3:35p
SEA
12:52a
33h 17m
2 stops
SEA
4:00a
LHR
6:40a
26h 40m
2 stops
Depart: Tue Jul 14 2015 Return: Mon Aug 10 2015 Trip spans 28 days
$1618
Select
LOT Polish Air
LOT Polish Air
LHR
2:30a
SEA
4:36a
26h 06m
2 stops
SEA
9:45a
LHR
5:00a
19h 15m
2 stops
Change your search
Direct flights LHR 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 1:05 pm 3:23 pm Mar 29 - Apr 30
Airports
Origin

London
$786
Destination

Seattle
$786