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: Sun May 29 2016 Return: Thu Jun 16 2016 Trip spans 19 days
WestJet
WestJet
SEA
LGW
30h 39m
2 stops
LGW
SEA
34h 04m
2 stops
Depart: Thu Apr 28 2016 Return: Wed May 4 2016 Trip spans 7 days
Icelandair
Icelandair
SEA
LGW
11h 15m
1 stop
LGW
SEA
12h 35m
1 stop
Depart: Mon Feb 22 2016 Return: Fri Feb 26 2016 Trip spans 5 days
Air Canada
Air Canada
SEA
LHR
14h 20m
1 stop
LHR
SEA
12h 41m
1 stop
Depart: Wed Feb 17 2016 Return: Tue Feb 23 2016 Trip spans 7 days
Finnair
Finnair
SEA
LHR
9h 30m
nonstop
LHR
SEA
9h 55m
nonstop
Depart: Mon Mar 21 2016 Return: Tue Mar 29 2016 Trip spans 9 days
Major Airline
Major Airline
SEA
LGW
14h 05m
1 stop
LGW
SEA
18h 47m
1 stop
Depart: Fri Apr 29 2016 Return: Mon May 23 2016 Trip spans 25 days
$1017
Select
American Airlines
American Airlines
SEA
LHR
9h 15m
nonstop
LHR
SEA
9h 35m
nonstop
Depart: Tue Apr 19 2016 Return: Mon May 9 2016 Trip spans 21 days
$1018
Select
Iberia
Iberia
SEA
LHR
9h 15m
nonstop
LHR
SEA
9h 35m
nonstop
Depart: Thu Jun 9 2016 Return: Thu Jun 30 2016 Trip spans 22 days
$1077
Select
KLM
KLM
SEA
LHR
9h 58m
nonstop
LHR
SEA
10h 09m
nonstop
Depart: Mon Feb 29 2016 Return: Tue Mar 8 2016 Trip spans 9 days
$1099
Select
Iberia
Iberia
SEA
LGW
18h 13m
2 stops
LGW
SEA
31h 37m
2 stops
Depart: Wed Jul 20 2016 Return: Wed Aug 3 2016 Trip spans 15 days
$1126
Select
Major Airline
Major Airline
SEA
LHR
9h 50m
nonstop
LHR
SEA
10h 22m
nonstop
Depart: Sun Jun 19 2016 Return: Wed Jul 6 2016 Trip spans 18 days
$1127
Select
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 58m
nonstop
LHR
SEA
10h 22m
nonstop
Depart: Thu Jun 30 2016 Return: Tue Aug 16 2016 Trip spans 48 days
$1150
Select
American Airlines
American Airlines
SEA
LGW
19h 00m
1 stop
LGW
SEA
36h 45m
1 stop
Depart: Mon Apr 11 2016 Return: Mon Apr 18 2016 Trip spans 8 days
$1165
Select
Alitalia
Alitalia
SEA
LCY
21h 51m
2 stops
LCY
SEA
33h 03m
2 stops
Depart: Wed Jun 8 2016 Return: Fri Jul 1 2016 Trip spans 24 days
$1165
Select
British Airways
British Airways
SEA
LHR
9h 15m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Wed Jun 22 2016 Return: Wed Jul 6 2016 Trip spans 15 days
$1222
Select
Lufthansa
Lufthansa
SEA
LCY
18h 20m
1 stop
LCY
SEA
24h 50m
1 stop
Depart: Tue Aug 23 2016 Return: Sat Sep 17 2016 Trip spans 26 days
$2167
Select
Air Canada
Air Canada
SEA
LGW
19h 40m
1 stop
LGW
SEA
17h 00m
1 stop
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 29 - Feb 29
37 6:22 pm 12:25 pm Feb 18 - Feb 28
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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We’re not the seller
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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 $865
only $1165
only $773