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

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 from London to Seattle/Tacoma Intl

(Return)
Depart: Sun 17 Sep 2017 Return: Mon 2 Oct 2017 Trip spans 16 days
£353
Select
Norwegian
Norwegian
LGW
SEA
9h 55m
nonstop
SEA
LGW
9h 20m
nonstop
Depart: Fri 17 Nov 2017 Return: Sun 26 Nov 2017 Trip spans 10 days
£373
Select
Icelandair
Icelandair
LGW
SEA
12h 10m
1 stop
SEA
LGW
11h 45m
1 stop
Depart: Tue 12 Sep 2017 Return: Sun 24 Sep 2017 Trip spans 13 days
£396
Select
Lufthansa
Lufthansa
LCY
SEA
24h 35m
1 stop
SEA
LCY
18h 20m
1 stop
Depart: Mon 11 Sep 2017 Return: Wed 11 Oct 2017 Trip spans 31 days
£423
Select
British Airways
British Airways
LHR
SEA
9h 55m
nonstop
SEA
LHR
9h 10m
nonstop
Depart: Fri 27 Oct 2017 Return: Fri 3 Nov 2017 Trip spans 8 days
£459
Select
Virgin Atlantic
Virgin Atlantic
LHR
SEA
9h 40m
nonstop
SEA
LHR
9h 30m
nonstop
Depart: Fri 17 Nov 2017 Return: Sun 26 Nov 2017 Trip spans 10 days
£380
Select
Icelandair
Icelandair
LHR
SEA
12h 00m
1 stop
SEA
LHR
11h 45m
1 stop
Depart: Sat 1 Jul 2017 Return: Sat 8 Jul 2017 Trip spans 8 days
£774
Select
WestJet
WestJet
LGW
SEA
29h 37m
1 stop
SEA
LGW
30h 00m
1 stop
Depart: Thu 8 Jun 2017 Return: Mon 12 Jun 2017 Trip spans 5 days
£804
Select
KLM
KLM
LCY
SEA
14h 00m
1 stop
SEA
LCY
16h 20m
1 stop
Depart: Thu 12 Oct 2017 Return: Fri 27 Oct 2017 Trip spans 16 days
£409
Select
Lufthansa
Lufthansa
STN
SEA
32h 25m
2 stops
SEA
STN
45h 45m
2 stops
Depart: Sat 1 Jul 2017 Return: Sun 9 Jul 2017 Trip spans 9 days
£931
Select
Air Canada
Air Canada
LHR
SEA
31h 30m
1 stop
SEA
LHR
32h 45m
1 stop
Depart: Thu 3 Aug 2017 Return: Thu 17 Aug 2017 Trip spans 15 days
£1009
Select
Thomas Cook Airlines
Thomas Cook Airlines
STN
SEA
16h 42m
1 stop
SEA
STN
15h 10m
1 stop
Depart: Wed 2 Aug 2017 Return: Wed 23 Aug 2017 Trip spans 22 days
£1081
Select
United
United
LHR
SEA
13h 20m
1 stop
SEA
LHR
14h 45m
1 stop
Depart: Fri 26 May 2017 Return: Fri 2 Jun 2017 Trip spans 8 days
£1172
Select
Major Airline
Major Airline
LGW
SEA
13h 05m
1 stop
SEA
LGW
11h 15m
1 stop
Depart: Sun 27 Aug 2017 Return: Sat 9 Sep 2017 Trip spans 14 days
£612
Select
British Airways
British Airways
LHR
SEA
9h 55m
nonstop
SEA
LHR
9h 30m
nonstop
Depart: Fri 26 May 2017 Return: Fri 2 Jun 2017 Trip spans 8 days
£1253
Select
SWISS
SWISS
LCY
SEA
37h 00m
2 stops
SEA
LCY
38h 20m
2 stops
Depart: Fri 17 Nov 2017 Return: Sun 26 Nov 2017 Trip spans 10 days
£576
Select
Lufthansa
Lufthansa
LCY
SEA
25h 35m
1 stop
SEA
LCY
19h 35m
1 stop
Depart: Wed 13 Sep 2017 Return: Fri 22 Sep 2017 Trip spans 10 days
£638
Select
Virgin Atlantic
Virgin Atlantic
LHR
SEA
9h 40m
nonstop
SEA
LHR
9h 00m
nonstop
Depart: Sun 27 Aug 2017 Return: Sat 9 Sep 2017 Trip spans 14 days
£649
Select
British Airways
British Airways
LHR
SEA
9h 55m
nonstop
SEA
LHR
9h 30m
nonstop
Depart: Tue 29 Aug 2017 Return: Fri 8 Sep 2017 Trip spans 11 days
£700
Select
Icelandair
Icelandair
LGW
SEA
13h 05m
1 stop
SEA
LGW
11h 15m
1 stop
Depart: Fri 26 May 2017 Return: Fri 2 Jun 2017 Trip spans 8 days
£791
Select
Virgin Atlantic
Virgin Atlantic
LHR
SEA
34h 44m
1 stop
SEA
LHR
16h 10m
1 stop
Direct flights LON - SEA on British Airways
Flight no. Depart LHR Arrive SEA Mon Tue Wed Thu Fri Sat Sun Valid between
53 09:20 11:15 4 Jun - 11 Jun
53 09:20 11:15 20 May - 2 Jun
53 09:20 11:15 3 Jun - 5 Jun
53 09:20 11:15 12 Jun - 3 Jul
49 15:30 17:10 15 Jun - 10 Aug
49 15:30 17:10 31 May - 13 Jun
49 15:30 17:10 2 Jun - 12 Jun
49 15:30 17:10 14 Jun - 14 Aug
* Prices are per person and are for e–tickets and include all taxes & fees in GBP.
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

London
only £380
only £396
only £353
only £409
Destination

Seattle
£353
Airlines Airline reviews

105 travellers who booked a flight to Seattle from London rated their chosen airline with an average of 7.7

Overall
7.9
Boarding
7.8
Crew
8.3
Comfort
7.2
Food
7.5
Entertainment
7.7