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

Book cheap flights to Seattle/Tacoma Intl

(Round-trip)
Depart: Tue 14 Feb 2017 Return: Wed 22 Feb 2017 Trip spans 9 days
£458
Select
KLM
KLM
LHR
SEA
24h 34m
1 stop
SEA
LHR
14h 40m
1 stop
Depart: Tue 31 Jan 2017 Return: Tue 14 Feb 2017 Trip spans 15 days
£465
Select
Iberia
Iberia
LHR
SEA
17h 47m
1 stop
SEA
LHR
17h 35m
1 stop
Depart: Wed 22 Mar 2017 Return: Tue 28 Mar 2017 Trip spans 7 days
£467
Select
Virgin Atlantic
Virgin Atlantic
LHR
SEA
10h 26m
nonstop
SEA
LHR
9h 00m
nonstop
Depart: Tue 24 Jan 2017 Return: Tue 7 Feb 2017 Trip spans 15 days
£491
Select
British Airways
British Airways
GLA
SEA
32h 18m
2 stops
SEA
GLA
17h 40m
2 stops
Depart: Wed 10 May 2017 Return: Wed 17 May 2017 Trip spans 8 days
£526
Select
Icelandair
Icelandair
GLA
SEA
29h 10m
1 stop
SEA
GLA
17h 25m
1 stop
Depart: Thu 8 Jun 2017 Return: Thu 15 Jun 2017 Trip spans 8 days
£540
Select
Air Canada
Air Canada
LGW
SEA
14h 31m
1 stop
SEA
LGW
13h 45m
1 stop
Depart: Wed 17 May 2017 Return: Wed 24 May 2017 Trip spans 8 days
£594
Select
Thomas Cook Airlines
Thomas Cook Airlines
MAN
SEA
17h 19m
1 stop
SEA
MAN
14h 55m
1 stop
Depart: Tue 9 May 2017 Return: Mon 22 May 2017 Trip spans 14 days
£602
Select
Brussels Airlines
Brussels Airlines
BRS
SEA
22h 20m
2 stops
SEA
BRS
17h 20m
2 stops
Depart: Tue 20 Jun 2017 Return: Sat 8 Jul 2017 Trip spans 19 days
£608
Select
Air France
Air France
LCY
SEA
23h 57m
2 stops
SEA
LCY
22h 08m
2 stops
Depart: Thu 11 May 2017 Return: Mon 15 May 2017 Trip spans 5 days
£614
Select
Lufthansa
Lufthansa
LCY
SEA
26h 55m
1 stop
SEA
LCY
18h 20m
1 stop
Depart: Thu 1 Jun 2017 Return: Fri 9 Jun 2017 Trip spans 9 days
£673
Select
United
United
LGW
SEA
17h 12m
1 stop
SEA
LGW
15h 25m
1 stop
Depart: Wed 22 Mar 2017 Return: Mon 27 Mar 2017 Trip spans 6 days
£468
Select
KLM
KLM
LCY
SEA
25h 38m
1 stop
SEA
LCY
14h 15m
2 stops
Depart: Wed 8 Feb 2017 Return: Wed 15 Feb 2017 Trip spans 8 days
£469
Select
Virgin Atlantic
Virgin Atlantic
LHR
SEA
16h 01m
1 stop
SEA
LHR
13h 15m
1 stop
Depart: Sun 5 Feb 2017 Return: Tue 14 Feb 2017 Trip spans 10 days
£474
Select
Iberia
Iberia
LGW
SEA
31h 48m
2 stops
SEA
LGW
18h 15m
1 stop
Depart: Wed 1 Feb 2017 Return: Wed 15 Feb 2017 Trip spans 15 days
£491
Select
British Airways
British Airways
GLA
SEA
20h 03m
2 stops
SEA
GLA
17h 40m
2 stops
Depart: Mon 6 Mar 2017 Return: Thu 23 Mar 2017 Trip spans 17 days
£470
Select
Virgin Atlantic
Virgin Atlantic
LHR
SEA
10h 26m
nonstop
SEA
LHR
9h 58m
nonstop
Depart: Sun 19 Mar 2017 Return: Wed 29 Mar 2017 Trip spans 11 days
£478
Select
Iberia
Iberia
LGW
SEA
55h 39m
2 stops
SEA
LGW
18h 10m
2 stops
Depart: Tue 14 Feb 2017 Return: Wed 22 Feb 2017 Trip spans 9 days
£478
Select
KLM
KLM
LCY
SEA
35h 00m
2 stops
SEA
LCY
27h 20m
2 stops
Depart: Thu 11 May 2017 Return: Mon 15 May 2017 Trip spans 5 days
£551
Select
Air Canada
Air Canada
LHR
SEA
12h 20m
1 stop
SEA
LHR
11h 25m
1 stop
Depart: Thu 4 May 2017 Return: Sat 13 May 2017 Trip spans 10 days
£555
Select
Icelandair
Icelandair
LGW
SEA
12h 35m
1 stop
SEA
LGW
18h 30m
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

Bristol
£602
London
only £458
only £468
only £474
Manchester
£594
Glasgow
£491
Destination

Seattle
£458
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