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Find flight deals 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: Tue 2 Jun 2015 Return: Tue 16 Jun 2015 Trip spans 15 days
£439
Select
Delta
Delta
LHR
09:00
SEA
01:32
16h 32m
1 stop
SEA
15:15
LHR
01:00
9h 45m
nonstop
Depart: Thu 19 Nov 2015 Return: Wed 2 Dec 2015 Trip spans 14 days
£475
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 13 Jun 2015 Return: Sat 11 Jul 2015 Trip spans 29 days
£506
Select
Virgin Atlantic
Virgin Atlantic
LHR
09:05
SEA
19:11
10h 06m
nonstop
SEA
12:33
LHR
03:50
15h 17m
1 stop
Depart: Sat 20 Jun 2015 Return: Wed 24 Jun 2015 Trip spans 5 days
£581
Select
KLM Royal Dutch
KLM Royal Dutch
LHR
17:00
SEA
15:09
22h 09m
1 stop
SEA
14:01
LHR
03:00
12h 59m
1 stop
Depart: Wed 3 Jun 2015 Return: Sun 7 Jun 2015 Trip spans 5 days
£606
Select
British Airways
British Airways
LHR
12:05
SEA
03:04
14h 59m
1 stop
SEA
19:59
LHR
10:45
14h 46m
1 stop
Depart: Mon 8 Jun 2015 Return: Mon 15 Jun 2015 Trip spans 8 days
£615
Select
American Airlines
American Airlines
LHR
06:15
SEA
01:06
18h 51m
1 stop
SEA
09:05
LHR
23:25
14h 20m
1 stop
Depart: Tue 15 Sep 2015 Return: Tue 29 Sep 2015 Trip spans 15 days
£671
Select
SAS
SAS
LHR
03:05
SEA
23:37
20h 32m
2 stops
SEA
04:05
LHR
01:05
21h 00m
2 stops
Depart: Fri 29 May 2015 Return: Wed 3 Jun 2015 Trip spans 6 days
£673
Select
Air France
Air France
LHR
09:05
SEA
19:18
10h 13m
nonstop
SEA
15:13
LHR
01:00
9h 47m
nonstop
Depart: Sat 19 Sep 2015 Return: Mon 28 Sep 2015 Trip spans 10 days
£682
Select
Aer Lingus
Aer Lingus
LHR
17:10
SEA
02:22
33h 12m
2 stops
SEA
08:20
LHR
01:30
17h 10m
2 stops
Depart: Fri 11 Sep 2015 Return: Sun 20 Sep 2015 Trip spans 10 days
£694
Select
United
United
LHR
04:50
SEA
02:11
21h 21m
2 stops
SEA
08:09
LHR
09:20
25h 11m
1 stop
Depart: Thu 16 Jul 2015 Return: Wed 22 Jul 2015 Trip spans 7 days
£1058
Select
LOT Polish Air
LOT Polish Air
LHR
06:15
SEA
05:10
22h 55m
2 stops
SEA
09:56
LHR
05:00
19h 04m
2 stops
Depart: Thu 25 Jun 2015 Return: Thu 16 Jul 2015 Trip spans 22 days
£1099
Select
Air Canada
Air Canada
LHR
08:05
SEA
01:23
17h 18m
2 stops
SEA
03:30
LHR
18:25
14h 55m
1 stop
Depart: Mon 3 Aug 2015 Return: Sat 22 Aug 2015 Trip spans 20 days
£1114
Select
Lufthansa
Lufthansa
LHR
02:30
SEA
15:30
13h 00m
1 stop
SEA
12:15
LHR
23:40
11h 25m
1 stop
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 21 May - 22 Oct
53 09:40 11:15 22 May - 23 Oct
53 09:55 11:30 23 May - 24 Oct
49 15:30 17:05 21 May - 24 Oct
Airports
Origin

London
£439
Destination

Seattle
£439