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

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
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

(Round-trip)
Depart: Tue Aug 23 2016 Return: Wed Aug 31 2016 Trip spans 9 days
WestJet
WestJet
SEA
LGW
37h 11m
2 stops
LGW
SEA
31h 25m
2 stops
Depart: Tue Apr 26 2016 Return: Wed May 4 2016 Trip spans 9 days
Icelandair
Icelandair
SEA
LGW
11h 15m
1 stop
LGW
SEA
12h 20m
1 stop
Depart: Mon Aug 15 2016 Return: Wed Sep 7 2016 Trip spans 24 days
Major Airline
Major Airline
SEA
LHR
19h 30m
1 stop
LHR
SEA
18h 05m
1 stop
Depart: Sat Feb 27 2016 Return: Fri Mar 4 2016 Trip spans 7 days
Finnair
Finnair
SEA
LHR
14h 35m
1 stop
LHR
SEA
9h 50m
nonstop
Depart: Sun Feb 21 2016 Return: Sun Feb 28 2016 Trip spans 8 days
Air Canada
Air Canada
SEA
LHR
17h 05m
1 stop
LHR
SEA
12h 41m
1 stop
Depart: Sat Apr 30 2016 Return: Mon May 9 2016 Trip spans 10 days
American Airlines
American Airlines
SEA
LGW
27h 46m
2 stops
LGW
SEA
27h 22m
2 stops
Depart: Fri Apr 8 2016 Return: Sun Apr 17 2016 Trip spans 10 days
British Airways
British Airways
SEA
LHR
9h 20m
nonstop
LHR
SEA
9h 35m
nonstop
Depart: Sat Mar 12 2016 Return: Fri Mar 18 2016 Trip spans 6 days
American Airlines
American Airlines
SEA
LHR
9h 20m
nonstop
LHR
SEA
9h 50m
nonstop
Depart: Wed Mar 16 2016 Return: Wed Mar 30 2016 Trip spans 15 days
Virgin Atlantic
Virgin Atlantic
SEA
LGW
15h 50m
1 stop
LGW
SEA
18h 47m
1 stop
Depart: Thu Mar 3 2016 Return: Sat Mar 5 2016 Trip spans 3 days
$1025
Select
Iberia
Iberia
SEA
LGW
29h 57m
2 stops
LGW
SEA
31h 37m
2 stops
Depart: Sat Mar 26 2016 Return: Thu Apr 14 2016 Trip spans 20 days
$1026
Select
Iberia
Iberia
SEA
LHR
9h 15m
nonstop
LHR
SEA
9h 35m
nonstop
Depart: Thu Aug 11 2016 Return: Sun Aug 21 2016 Trip spans 11 days
$1074
Select
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 50m
nonstop
LHR
SEA
10h 22m
nonstop
Depart: Sun Jul 31 2016 Return: Fri Aug 12 2016 Trip spans 13 days
$1127
Select
Delta
Delta
SEA
LHR
9h 50m
nonstop
LHR
SEA
10h 22m
nonstop
Depart: Tue May 3 2016 Return: Tue May 10 2016 Trip spans 8 days
$1167
Select
Alitalia
Alitalia
SEA
LCY
21h 54m
2 stops
LCY
SEA
32h 55m
2 stops
Depart: Sun Feb 28 2016 Return: Fri Mar 4 2016 Trip spans 6 days
$1572
Select
Aer Lingus
Aer Lingus
SEA
LGW
24h 59m
2 stops
LGW
SEA
33h 04m
2 stops
Direct flights SEA to LON on Delta
Flight # Depart SEA Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
37 6:22 pm 12:25 pm Feb 24 - Feb 29
37 6:22 pm 12:25 pm Feb 14 - Feb 23
37 6:24 pm 12:25 pm Mar 1 - Mar 11
37 6:26 pm 12:25 pm Mar 12 - Mar 12
37 7:29 pm 12:25 pm Mar 13 - Mar 25
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find on occasion that certain prices are no longer available.

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Airports
Origin

Seattle
$773
Destination

London
only $862
only $1167
only $773