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

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 Seattle/Tacoma Intl to London

(Return)
Depart: Sat 16 Sep 2017 Return: Fri 22 Sep 2017 Trip spans 7 days
£383
Select
Icelandair
Icelandair
SEA
LHR
26h 55m
1 stop
LHR
SEA
13h 05m
1 stop
Depart: Tue 19 Sep 2017 Return: Thu 5 Oct 2017 Trip spans 17 days
£395
Select
British Airways
British Airways
SEA
LHR
9h 10m
nonstop
LHR
SEA
9h 55m
nonstop
Depart: Mon 6 Nov 2017 Return: Mon 13 Nov 2017 Trip spans 8 days
£409
Select
Major Airline
Major Airline
SEA
LHR
12h 35m
3 stops
LHR
SEA
14h 05m
3 stops
Depart: Mon 14 Aug 2017 Return: Fri 15 Sep 2017 Trip spans 33 days
£428
Select
Virgin Atlantic
Virgin Atlantic
SEA
LGW
14h 10m
1 stop
LGW
SEA
19h 04m
1 stop
Depart: Sat 30 Sep 2017 Return: Tue 10 Oct 2017 Trip spans 11 days
£429
Select
Delta
Delta
SEA
LHR
9h 00m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Wed 1 Nov 2017 Return: Wed 29 Nov 2017 Trip spans 29 days
£534
Select
SWISS
SWISS
SEA
LCY
19h 05m
2 stops
LCY
SEA
22h 03m
2 stops
Depart: Wed 18 Oct 2017 Return: Fri 27 Oct 2017 Trip spans 10 days
£542
Select
Lufthansa
Lufthansa
SEA
LCY
18h 20m
1 stop
LCY
SEA
17h 25m
2 stops
Depart: Mon 6 Nov 2017 Return: Mon 13 Nov 2017 Trip spans 8 days
£409
Select
Icelandair
Icelandair
SEA
LGW
11h 45m
1 stop
LGW
SEA
12h 10m
1 stop
Depart: Thu 28 Sep 2017 Return: Sat 7 Oct 2017 Trip spans 10 days
£416
Select
Major Airline
Major Airline
SEA
LGW
14h 25m
nonstop
LGW
SEA
16h 26m
nonstop
Depart: Wed 5 Jul 2017 Return: Tue 11 Jul 2017 Trip spans 7 days
£834
Select
WestJet
WestJet
SEA
LGW
28h 55m
1 stop
LGW
SEA
27h 23m
1 stop
Depart: Fri 10 Nov 2017 Return: Fri 17 Nov 2017 Trip spans 8 days
£425
Select
British Airways
British Airways
SEA
LHR
9h 20m
nonstop
LHR
SEA
9h 50m
nonstop
Depart: Wed 9 Aug 2017 Return: Tue 12 Sep 2017 Trip spans 35 days
£454
Select
Virgin Atlantic
Virgin Atlantic
SEA
LGW
17h 15m
1 stop
LGW
SEA
18h 44m
1 stop
Depart: Sun 1 Oct 2017 Return: Fri 13 Oct 2017 Trip spans 13 days
£433
Select
Major Airline
Major Airline
SEA
LHR
9h 10m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Thu 2 Nov 2017 Return: Fri 10 Nov 2017 Trip spans 9 days
£449
Select
Icelandair
Icelandair
SEA
LGW
11h 45m
1 stop
LGW
SEA
12h 10m
1 stop
Depart: Mon 14 Aug 2017 Return: Fri 25 Aug 2017 Trip spans 12 days
£462
Select
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 00m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Sun 1 Oct 2017 Return: Wed 18 Oct 2017 Trip spans 18 days
£433
Select
Major Airline
Major Airline
SEA
LGW
9h 20m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Mon 20 Nov 2017 Return: Mon 4 Dec 2017 Trip spans 15 days
£486
Select
British Airways
British Airways
SEA
LCY
19h 55m
2 stops
LCY
SEA
21h 54m
2 stops
Depart: Thu 2 Nov 2017 Return: Fri 10 Nov 2017 Trip spans 9 days
£453
Select
Icelandair
Icelandair
SEA
LHR
11h 45m
1 stop
LHR
SEA
12h 00m
1 stop
Depart: Tue 8 Aug 2017 Return: Tue 12 Sep 2017 Trip spans 36 days
£470
Select
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 00m
nonstop
LHR
SEA
18h 49m
1 stop
Depart: Wed 4 Oct 2017 Return: Fri 13 Oct 2017 Trip spans 10 days
£433
Select
Major Airline
Major Airline
SEA
LGW
9h 20m
nonstop
LGW
SEA
9h 55m
nonstop
Direct flights SEA - LON on British Airways
Flight no. Depart SEA Arrive LHR Mon Tue Wed Thu Fri Sat Sun Valid between
52 13:15 06:45 6 Jul - 6 Jul
52 13:15 06:45 25 May - 29 Jun
52 13:20 06:50 10 Jun - 3 Jul
52 13:20 06:50 3 Jun - 5 Jun
52 13:30 07:00 21 May - 2 Jul
48 19:15 12:25 15 Jun - 10 Aug
48 19:15 12:25 2 Jun - 12 Jun
48 19:15 12:25 31 May - 13 Jun
48 19:15 12:25 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

Seattle
£383
Destination

London
only £383
only £486
only £409
Airlines Airline reviews

64 travellers who booked a flight to London from Seattle rated their chosen airline with an average of 8.0

Overall
8.1
Boarding
8.4
Crew
8.6
Comfort
7.4
Food
7.4
Entertainment
8.3