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

Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights from London Heathrow to Seattle/Tacoma Intl

(Round-trip)
Depart: Mon 30 Nov 2015 Return: Fri 4 Dec 2015 Trip spans 5 days
£501
Select
Icelandair
Icelandair
LHR
08:00
SEA
19:40
11h 40m
1 stop
SEA
10:30
LHR
22:30
12h 00m
1 stop
Depart: Mon 16 Nov 2015 Return: Wed 18 Nov 2015 Trip spans 3 days
£502
Select
Icelandair
Icelandair
LHR
08:00
SEA
19:40
11h 40m
1 stop
SEA
10:30
LHR
22:30
12h 00m
1 stop
Depart: Sat 16 Jan 2016 Return: Sat 23 Jan 2016 Trip spans 8 days
£502
Select
Icelandair
Icelandair
LHR
08:00
SEA
19:40
11h 40m
1 stop
SEA
10:30
LHR
22:30
12h 00m
1 stop
Depart: Wed 30 Dec 2015 Return: Thu 21 Jan 2016 Trip spans 23 days
£579
Select
Delta
Delta
LHR
08:00
SEA
18:51
10h 51m
nonstop
SEA
11:30
LHR
02:25
14h 55m
1 stop
Depart: Mon 28 Dec 2015 Return: Fri 8 Jan 2016 Trip spans 12 days
£580
Select
Virgin Atlantic
Virgin Atlantic
LHR
08:00
SEA
18:51
10h 51m
nonstop
SEA
07:55
LHR
23:00
15h 05m
1 stop
Depart: Wed 2 Sep 2015 Return: Wed 23 Sep 2015 Trip spans 22 days
£603
Select
United
United
LHR
06:35
SEA
03:36
21h 01m
2 stops
SEA
02:45
LHR
00:20
21h 35m
1 stop
Depart: Wed 7 Oct 2015 Return: Thu 15 Oct 2015 Trip spans 9 days
£610
Select
United
United
LHR
06:35
SEA
01:45
19h 10m
2 stops
SEA
08:35
LHR
00:20
15h 45m
2 stops
Depart: Sun 11 Oct 2015 Return: Sun 25 Oct 2015 Trip spans 15 days
£615
Select
United
United
LHR
06:35
SEA
03:48
21h 13m
2 stops
SEA
02:30
LHR
00:30
22h 00m
2 stops
Depart: Mon 19 Oct 2015 Return: Mon 9 Nov 2015 Trip spans 22 days
£615
Select
United
United
LHR
06:35
SEA
01:45
19h 10m
2 stops
SEA
08:20
LHR
22:30
14h 10m
1 stop
Depart: Mon 24 Aug 2015 Return: Mon 21 Sep 2015 Trip spans 29 days
£626
Select
United
United
LHR
06:35
SEA
01:37
19h 02m
2 stops
SEA
02:45
LHR
00:20
21h 35m
1 stop
Depart: Sun 13 Dec 2015 Return: Sun 3 Jan 2016 Trip spans 22 days
£628
Select
Icelandair
Icelandair
LHR
08:00
SEA
19:40
11h 40m
1 stop
SEA
10:30
LHR
22:30
12h 00m
1 stop
Depart: Wed 26 Aug 2015 Return: Wed 2 Sep 2015 Trip spans 8 days
£629
Select
United
United
LHR
06:35
SEA
01:36
19h 01m
2 stops
SEA
07:07
LHR
00:20
17h 13m
2 stops
Depart: Wed 9 Sep 2015 Return: Wed 23 Sep 2015 Trip spans 15 days
£631
Select
United
United
LHR
06:35
SEA
03:39
21h 04m
2 stops
SEA
02:45
LHR
00:20
21h 35m
1 stop
Depart: Thu 17 Dec 2015 Return: Mon 21 Dec 2015 Trip spans 5 days
£631
Select
Icelandair
Icelandair
LHR
08:00
SEA
19:40
11h 40m
1 stop
SEA
10:30
LHR
22:30
12h 00m
1 stop
Depart: Fri 16 Oct 2015 Return: Sat 24 Oct 2015 Trip spans 9 days
£634
Select
Icelandair
Icelandair
LHR
17:10
SEA
21:45
28h 35m
1 stop
SEA
12:15
LHR
00:30
12h 15m
1 stop
Depart: Tue 22 Sep 2015 Return: Tue 29 Sep 2015 Trip spans 8 days
£841
Select
British Airways
British Airways
LHR
11:30
SEA
21:05
9h 35m
nonstop
SEA
15:15
LHR
00:30
9h 15m
nonstop
Depart: Wed 15 Jul 2015 Return: Tue 1 Sep 2015 Trip spans 49 days
£939
Select
Air Canada
Air Canada
LHR
07:05
SEA
21:39
14h 34m
1 stop
SEA
05:50
LHR
23:50
18h 00m
1 stop
Depart: Fri 10 Jul 2015 Return: Mon 17 Aug 2015 Trip spans 39 days
£996
Select
Lufthansa
Lufthansa
LHR
02:30
SEA
15:30
13h 00m
1 stop
SEA
09:40
LHR
00:40
15h 00m
1 stop
Depart: Thu 6 Aug 2015 Return: Thu 13 Aug 2015 Trip spans 8 days
£1076
Select
KLM Royal Dutch
KLM Royal Dutch
LHR
09:05
SEA
19:20
10h 15m
nonstop
SEA
15:20
LHR
01:00
9h 40m
nonstop
Depart: Mon 10 Aug 2015 Return: Mon 31 Aug 2015 Trip spans 22 days
£1144
Select
Air France
Air France
LHR
09:05
SEA
19:20
10h 15m
nonstop
SEA
15:20
LHR
01:00
9h 40m
nonstop
Direct flights LHR - SEA on British Airways
Flight No. Departure LHR Arrival SEA Mon Tue Wed Thu Fri Sat Sun Valid between
53 08:50 10:25 2 Jul - 22 Oct
53 09:40 11:15 3 Jul - 21 Aug
53 09:55 11:30 27 Jun - 24 Oct
49 15:30 17:05 27 Jun - 24 Oct
Airports
Origin

London
£501
Destination

Seattle
£501