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

Depart
Return
1 adult
Adults
18+
Youths
12-17
Children
2-11
Seat infants
under 2
Lap infants
under 2
The price shown for each flight will be the average for all passengers, including any infants.
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Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights from London to Seattle/Tacoma Intl

(Round-trip)
Depart: Sun 15 Nov 2015 Return: Sat 28 Nov 2015 Trip spans 14 days
£485
Select
Icelandair
Icelandair
LGW
15:55
SEA
19:40
27h 45m
1 stop
SEA
10:30
LGW
22:15
11h 45m
1 stop
Depart: Fri 27 Nov 2015 Return: Sat 5 Dec 2015 Trip spans 9 days
£497
Select
Icelandair
Icelandair
LHR
15:35
SEA
19:40
28h 05m
1 stop
SEA
10:30
LHR
22:30
12h 00m
1 stop
Depart: Sun 27 Dec 2015 Return: Fri 8 Jan 2016 Trip spans 13 days
£520
Select
Virgin Atlantic
Virgin Atlantic
LHR
07:50
SEA
18:29
10h 39m
nonstop
SEA
11:35
LHR
02:25
14h 50m
1 stop
Depart: Sat 28 Nov 2015 Return: Sat 5 Dec 2015 Trip spans 8 days
£544
Select
United
United
LHR
01:30
SEA
15:20
13h 50m
1 stop
SEA
08:20
LHR
22:30
14h 10m
1 stop
Depart: Sat 26 Dec 2015 Return: Mon 4 Jan 2016 Trip spans 10 days
£549
Select
Lufthansa
Lufthansa
LHR
01:30
SEA
18:44
17h 14m
2 stops
SEA
09:10
LHR
23:45
14h 35m
1 stop
Depart: Fri 25 Dec 2015 Return: Thu 31 Dec 2015 Trip spans 7 days
£648
Select
Delta
Delta
LHR
07:55
SEA
18:34
10h 39m
nonstop
SEA
06:20
LHR
21:35
15h 15m
2 stops
Depart: Wed 23 Sep 2015 Return: Mon 5 Oct 2015 Trip spans 13 days
£653
Select
Austrian Airlines
Austrian Airlines
LHR
02:00
SEA
00:27
22h 27m
2 stops
SEA
03:55
LHR
20:25
40h 30m
2 stops
Depart: Thu 24 Dec 2015 Return: Sun 3 Jan 2016 Trip spans 11 days
£696
Select
Air France
Air France
LHR
12:50
SEA
18:28
29h 38m
1 stop
SEA
08:02
LHR
21:35
13h 33m
1 stop
Depart: Tue 11 Aug 2015 Return: Tue 18 Aug 2015 Trip spans 8 days
£985
Select
American Airlines
American Airlines
LHR
06:05
SEA
02:05
20h 00m
1 stop
SEA
03:00
LHR
18:50
15h 50m
1 stop
Depart: Sun 16 Aug 2015 Return: Thu 10 Sep 2015 Trip spans 26 days
£1044
Select
Brussels Airlines
Brussels Airlines
LHR
07:05
SEA
00:15
41h 10m
2 stops
SEA
03:55
LHR
09:35
29h 40m
2 stops
Depart: Mon 10 Aug 2015 Return: Mon 17 Aug 2015 Trip spans 8 days
£1068
Select
KLM
KLM
LHR
05:55
SEA
19:41
13h 46m
1 stop
SEA
09:42
LHR
22:45
13h 03m
1 stop
Direct flights LON - SEA on British Airways
Flight No. Departure LHR Arrival SEA Mon Tue Wed Thu Fri Sat Sun Valid between
53 08:50 10:25 30 Jul - 15 Oct
53 09:40 11:15 4 Sep - 16 Oct
53 09:40 11:15 28 Aug - 28 Aug
53 09:40 11:15 31 Jul - 21 Aug
53 09:55 11:30 1 Aug - 11 Oct
49 15:30 17:05 28 Jul - 16 Oct
Airports
Origin

London
only £497
only £485
Destination

Seattle
£485