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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 Sep 9 2015 Return: Mon Oct 5 2015 Trip spans 27 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 6 2015 Return: Wed May 13 2015 Trip spans 8 days
United
United
LHR
6:35a
SEA
10:28p
15h 53m
1 stop
SEA
8:00a
LHR
12:20a
16h 20m
1 stop
Depart: Mon Aug 24 2015 Return: Mon Sep 7 2015 Trip spans 15 days
American Airlines
American Airlines
LHR
10:00a
SEA
2:04a
16h 04m
1 stop
SEA
9:30a
LHR
2:20a
16h 50m
1 stop
Depart: Mon Jun 15 2015 Return: Mon Jun 22 2015 Trip spans 8 days
$1006
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US Airways
US Airways
LHR
6:15a
SEA
3:36a
21h 21m
1 stop
SEA
6:15p
LHR
10:10a
15h 55m
1 stop
Depart: Tue Aug 25 2015 Return: Wed Sep 9 2015 Trip spans 16 days
$1042
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Aer Lingus
Aer Lingus
LGW
5:10a
SEA
3:52a
22h 42m
2 stops
SEA
2:45a
LGW
10:00p
19h 15m
2 stops
Depart: Thu Aug 27 2015 Return: Sun Sep 6 2015 Trip spans 11 days
$1043
Select
Icelandair
Icelandair
LGW
9:10a
SEA
9:45p
12h 35m
1 stop
SEA
12:30p
LGW
11:45p
11h 15m
1 stop
Depart: Thu Apr 9 2015 Return: Thu Apr 30 2015 Trip spans 22 days
$1045
Select
Delta
Delta
LHR
9:05a
SEA
7:23p
10h 18m
nonstop
SEA
10:39a
LHR
3:50a
17h 11m
1 stop
Depart: Tue Apr 7 2015 Return: Thu Apr 30 2015 Trip spans 24 days
$1046
Select
Virgin Atlantic
Virgin Atlantic
LHR
9:05a
SEA
7:23p
10h 18m
nonstop
SEA
12:38p
LHR
3:50a
15h 12m
1 stop
Depart: Tue Apr 21 2015 Return: Tue Apr 28 2015 Trip spans 8 days
$1057
Select
SAS
SAS
LHR
3:05a
SEA
12:16a
21h 11m
2 stops
SEA
9:57a
LHR
5:00a
19h 03m
2 stops
Depart: Tue Mar 31 2015 Return: Tue Apr 7 2015 Trip spans 8 days
$1367
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KLM Royal Dutch
KLM Royal Dutch
LHR
5:55a
SEA
1:45a
19h 50m
2 stops
SEA
7:00a
LHR
10:40p
15h 40m
1 stop
Depart: Thu Apr 2 2015 Return: Tue Apr 7 2015 Trip spans 6 days
$1373
Select
Air France
Air France
LHR
9:05a
SEA
7:23p
10h 18m
nonstop
SEA
9:12a
LHR
10:30p
13h 18m
1 stop
Depart: Sun Apr 12 2015 Return: Thu Apr 16 2015 Trip spans 5 days
$1465
Select
Air Europa
Air Europa
LGW
1:15p
SEA
2:14a
60h 59m
2 stops
SEA
3:20a
LGW
4:20a
25h 00m
2 stops
Depart: Wed Jul 29 2015 Return: Tue Sep 1 2015 Trip spans 35 days
$1531
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Aeroflot
Aeroflot
LHR
6:45p
SEA
4:30a
33h 45m
2 stops
SEA
6:45p
LHR
12:05a
53h 20m
2 stops
Depart: Tue Jul 21 2015 Return: Mon Aug 3 2015 Trip spans 14 days
$1579
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LOT Polish Air
LOT Polish Air
LHR
2:30a
SEA
2:03a
23h 33m
2 stops
SEA
9:45a
LHR
9:45a
24h 00m
2 stops
Depart: Wed Jul 1 2015 Return: Mon Aug 10 2015 Trip spans 41 days
$1693
Select
Air Canada
Air Canada
LHR
4:30a
SEA
1:28a
20h 58m
2 stops
SEA
7:05p
LHR
6:25p
23h 20m
1 stop
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 3:18 pm May 1 - Jun 3
36 1:05 pm 3:23 pm Mar 29 - Apr 30
Airports
Origin

London
only $797
only $1042
Destination

Seattle
$797