Find cheap flights to Seattle/Tacoma Intl

Depart
Return
1 adult
Adults
16+
Youths
12-15
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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Book cheap flights to Seattle/Tacoma Intl

(Round-trip)
Depart: Wed 1 Mar 2017 Return: Thu 9 Mar 2017 Trip spans 9 days
£465
Select
British Airways
British Airways
LGW
SEA
21h 41m
2 stops
SEA
LGW
19h 45m
2 stops
Depart: Tue 31 Jan 2017 Return: Tue 7 Feb 2017 Trip spans 8 days
£485
Select
Iberia
Iberia
LHR
SEA
16h 13m
1 stop
SEA
LHR
14h 35m
1 stop
Depart: Thu 23 Feb 2017 Return: Tue 28 Feb 2017 Trip spans 6 days
£492
Select
Icelandair
Icelandair
LGW
SEA
12h 10m
1 stop
SEA
LGW
11h 45m
1 stop
Depart: Mon 19 Jun 2017 Return: Mon 3 Jul 2017 Trip spans 15 days
£539
Select
Air Canada
Air Canada
LGW
SEA
17h 12m
1 stop
SEA
LGW
31h 25m
1 stop
Depart: Sat 24 Dec 2016 Return: Thu 5 Jan 2017 Trip spans 13 days
£558
Select
Virgin Atlantic
Virgin Atlantic
LHR
SEA
10h 44m
nonstop
SEA
LHR
12h 53m
1 stop
Depart: Mon 6 Mar 2017 Return: Sun 12 Mar 2017 Trip spans 7 days
£562
Select
KLM
KLM
LCY
SEA
20h 11m
2 stops
SEA
LCY
19h 45m
1 stop
Depart: Wed 21 Jun 2017 Return: Tue 27 Jun 2017 Trip spans 7 days
£564
Select
Lufthansa
Lufthansa
LCY
SEA
17h 25m
2 stops
SEA
LCY
18h 20m
1 stop
Depart: Mon 13 Feb 2017 Return: Tue 28 Feb 2017 Trip spans 16 days
£589
Select
SWISS
SWISS
LCY
SEA
20h 48m
2 stops
SEA
LCY
20h 10m
2 stops
Depart: Tue 13 Jun 2017 Return: Tue 4 Jul 2017 Trip spans 22 days
£619
Select
American Airlines
American Airlines
EDI
SEA
19h 49m
2 stops
SEA
EDI
18h 20m
2 stops
Depart: Wed 1 Feb 2017 Return: Tue 7 Feb 2017 Trip spans 7 days
£628
Select
Aer Lingus
Aer Lingus
BHX
SEA
33h 55m
2 stops
SEA
BHX
20h 45m
2 stops
Depart: Sat 10 Jun 2017 Return: Mon 19 Jun 2017 Trip spans 10 days
£670
Select
Thomas Cook Airlines
Thomas Cook Airlines
MAN
SEA
18h 33m
1 stop
SEA
MAN
13h 55m
1 stop
Depart: Sat 6 May 2017 Return: Sat 20 May 2017 Trip spans 15 days
£744
Select
WestJet
WestJet
LGW
SEA
28h 04m
1 stop
SEA
LGW
29h 54m
1 stop
Depart: Fri 6 Jan 2017 Return: Sat 4 Feb 2017 Trip spans 30 days
£757
Select
United
United
EDI
SEA
18h 24m
2 stops
SEA
EDI
48h 15m
2 stops
Depart: Wed 7 Dec 2016 Return: Thu 26 Jan 2017 Trip spans 51 days
£864
Select
Air France
Air France
SOU
SEA
23h 58m
2 stops
SEA
SOU
16h 47m
1 stop
Depart: Tue 3 Jan 2017 Return: Tue 10 Jan 2017 Trip spans 8 days
£876
Select
Brussels Airlines
Brussels Airlines
BRS
SEA
36h 30m
2 stops
SEA
BRS
45h 45m
2 stops
Depart: Fri 31 Mar 2017 Return: Sun 16 Apr 2017 Trip spans 17 days
£472
Select
British Airways
British Airways
LHR
SEA
9h 35m
nonstop
SEA
LHR
9h 20m
nonstop
Depart: Tue 31 Jan 2017 Return: Tue 7 Feb 2017 Trip spans 8 days
£486
Select
Iberia
Iberia
LGW
SEA
35h 42m
1 stop
SEA
LGW
18h 15m
1 stop
Depart: Tue 7 Mar 2017 Return: Tue 21 Mar 2017 Trip spans 14 days
£497
Select
Icelandair
Icelandair
MAN
SEA
12h 15m
1 stop
SEA
MAN
11h 05m
1 stop
Depart: Tue 7 Feb 2017 Return: Thu 16 Feb 2017 Trip spans 10 days
£475
Select
British Airways
British Airways
LHR
SEA
9h 50m
nonstop
SEA
LHR
9h 20m
nonstop
Depart: Wed 1 Feb 2017 Return: Mon 6 Feb 2017 Trip spans 6 days
£515
Select
Iberia
Iberia
LGW
SEA
35h 47m
1 stop
SEA
LGW
18h 15m
1 stop
* We attempt to get accurate prices and fees; however, prices and fees are not guaranteed, and may be subject to last minute changes over which we have no control.
Airports
Origin

Southampton
£864
Bristol
£876
London
only £472
only £562
only £465
Manchester
£497
Edinburgh
£619
Birmingham
£628
Destination

Seattle
£465
Airlines Airline reviews

8 travellers who booked a flight to Seattle from London rated their chosen airline with an average of 7.2

Overall
7.3
Boarding
7.5
Crew
8.3
Comfort
6.3
Food
7.0
Entertainment
6.8