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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: Mon Oct 12 2015 Return: Sat Oct 24 2015 Trip spans 13 days
Icelandair
Icelandair
LGW
9:10a
SEA
9:45p
12h 35m
1 stop
SEA
12:15p
LGW
12:15a
12h 00m
1 stop
Depart: Mon Oct 5 2015 Return: Sun Oct 18 2015 Trip spans 14 days
Icelandair
Icelandair
LHR
9:00a
SEA
9:45p
12h 45m
1 stop
SEA
12:30p
LHR
11:45p
11h 15m
1 stop
Depart: Wed May 20 2015 Return: Wed May 27 2015 Trip spans 8 days
United
United
LHR
6:35a
SEA
10:13p
15h 38m
1 stop
SEA
8:00a
LHR
12:20a
16h 20m
1 stop
Depart: Sun Sep 13 2015 Return: Mon Sep 28 2015 Trip spans 16 days
American Airlines
American Airlines
LHR
10:00a
SEA
4:46a
18h 46m
1 stop
SEA
7:00a
LHR
2:20a
19h 20m
1 stop
Depart: Mon May 4 2015 Return: Wed May 6 2015 Trip spans 3 days
$1004
Select
Aeroflot
Aeroflot
LHR
9:25a
SEA
2:02a
40h 37m
2 stops
SEA
3:10a
LHR
12:05a
44h 55m
2 stops
Depart: Sat Oct 24 2015 Return: Mon Nov 2 2015 Trip spans 10 days
$1058
Select
Delta
Delta
LHR
9:05a
SEA
7:33p
10h 28m
nonstop
SEA
7:55a
LHR
2:50a
18h 55m
1 stop
Depart: Mon Jun 15 2015 Return: Sun Jun 21 2015 Trip spans 7 days
$1112
Select
Virgin Atlantic
Virgin Atlantic
LHR
9:00a
SEA
2:55a
17h 55m
1 stop
SEA
5:50p
LHR
8:10a
14h 20m
1 stop
Depart: Tue Jun 16 2015 Return: Mon Jul 6 2015 Trip spans 21 days
$1182
Select
Air Canada
Air Canada
LHR
4:30a
SEA
11:17p
18h 47m
1 stop
SEA
7:20a
LHR
11:05p
15h 45m
1 stop
Depart: Fri May 1 2015 Return: Tue May 5 2015 Trip spans 5 days
$1321
Select
Air Europa
Air Europa
LGW
6:10a
SEA
1:53a
43h 43m
2 stops
SEA
7:00a
LGW
4:15a
45h 15m
2 stops
Depart: Wed Apr 29 2015 Return: Tue May 5 2015 Trip spans 7 days
$1393
Select
KLM Royal Dutch
KLM Royal Dutch
LHR
2:30a
SEA
7:56p
17h 26m
2 stops
SEA
7:25a
LHR
11:05p
15h 40m
1 stop
Depart: Sun May 31 2015 Return: Thu Jul 30 2015 Trip spans 61 days
$1411
Select
US Airways
US Airways
LHR
7:00a
SEA
12:49a
17h 49m
1 stop
SEA
8:25p
LHR
7:40p
23h 15m
1 stop
Depart: Sun Jul 19 2015 Return: Wed Aug 12 2015 Trip spans 25 days
$1595
Select
LOT Polish Air
LOT Polish Air
LHR
6:15a
SEA
5:10a
22h 55m
2 stops
SEA
2:45a
LHR
9:45a
31h 00m
2 stops
Depart: Mon Jun 29 2015 Return: Mon Jul 13 2015 Trip spans 15 days
$1826
Select
Air France
Air France
LHR
9:05a
SEA
7:11p
10h 06m
nonstop
SEA
3:20p
LHR
1:00a
9h 40m
nonstop
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 3:11 pm Jun 4 - Jun 30
36 1:05 pm 3:18 pm May 1 - Jun 3
Airports
Origin

London
only $789
only $763
Destination

Seattle
$763