Find Cheap Flights from United Kingdom to Seattle

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 United Kingdom to Seattle

(Round-trip)
Depart: Mon Jan 15 2018 Return: Mon Jan 29 2018 Trip spans 15 days
Norwegian
Norwegian
LGW
SEA
9h 50m
nonstop
SEA
LGW
9h 30m
nonstop
Depart: Mon Jan 22 2018 Return: Wed Jan 31 2018 Trip spans 10 days
Multiple Airlines
Multiple Airlines
LGW
SEA
9h 50m
nonstop
SEA
LGW
35h 33m
1 stop
Depart: Sun May 27 2018 Return: Thu Jun 7 2018 Trip spans 12 days
Thomas Cook Airlines
Thomas Cook Airlines
MAN
SEA
9h 30m
nonstop
SEA
MAN
9h 05m
nonstop
Depart: Sun May 27 2018 Return: Thu Jun 7 2018 Trip spans 12 days
Condor
Condor
MAN
SEA
9h 30m
nonstop
SEA
MAN
9h 05m
nonstop
Depart: Tue May 22 2018 Return: Tue Jun 5 2018 Trip spans 15 days
Virgin Atlantic
Virgin Atlantic
MAN
SEA
36h 30m
1 stop
SEA
MAN
15h 35m
1 stop
Depart: Fri Mar 9 2018 Return: Sun Mar 25 2018 Trip spans 16 days
Lufthansa
Lufthansa
LCY
SEA
20h 15m
2 stops
SEA
LCY
20h 50m
1 stop
Depart: Sun Feb 18 2018 Return: Sun Feb 25 2018 Trip spans 8 days
KLM
KLM
LHR
SEA
12h 47m
1 stop
SEA
LHR
14h 41m
1 stop
Depart: Wed Jan 17 2018 Return: Sun Feb 4 2018 Trip spans 19 days
Norwegian
Norwegian
LGW
SEA
9h 55m
nonstop
SEA
LGW
9h 30m
nonstop
Depart: Sun Jan 21 2018 Return: Sun Feb 4 2018 Trip spans 15 days
Norwegian
Norwegian
LGW
SEA
9h 55m
nonstop
SEA
LGW
9h 30m
nonstop
Depart: Fri Jan 19 2018 Return: Thu Feb 1 2018 Trip spans 14 days
Multiple Airlines
Multiple Airlines
LGW
SEA
9h 50m
nonstop
SEA
LGW
20h 50m
1 stop
Depart: Mon Jan 22 2018 Return: Mon Feb 5 2018 Trip spans 15 days
Norwegian
Norwegian
LGW
SEA
9h 50m
nonstop
SEA
LGW
9h 30m
nonstop
Depart: Sun Jan 21 2018 Return: Thu Feb 1 2018 Trip spans 12 days
Multiple Airlines
Multiple Airlines
LGW
SEA
9h 55m
nonstop
SEA
LGW
20h 50m
1 stop
Depart: Sun May 27 2018 Return: Sun Jun 10 2018 Trip spans 15 days
Thomas Cook Airlines
Thomas Cook Airlines
MAN
SEA
9h 30m
nonstop
SEA
MAN
9h 05m
nonstop
Depart: Wed Feb 28 2018 Return: Sat Mar 10 2018 Trip spans 11 days
Lufthansa
Lufthansa
LCY
SEA
43h 06m
2 stops
SEA
LCY
44h 45m
2 stops
Depart: Mon Feb 12 2018 Return: Fri Feb 16 2018 Trip spans 5 days
Virgin Atlantic
Virgin Atlantic
LHR
SEA
9h 40m
nonstop
SEA
LHR
13h 00m
1 stop
Depart: Mon Feb 12 2018 Return: Mon Feb 26 2018 Trip spans 15 days
Norwegian
Norwegian
LGW
SEA
9h 50m
nonstop
SEA
LGW
9h 30m
nonstop
Depart: Fri Mar 9 2018 Return: Mon Mar 19 2018 Trip spans 10 days
KLM
KLM
LHR
SEA
12h 50m
1 stop
SEA
LHR
14h 41m
1 stop
Depart: Mon Jan 22 2018 Return: Thu Feb 1 2018 Trip spans 11 days
Multiple Airlines
Multiple Airlines
LGW
SEA
9h 50m
nonstop
SEA
LGW
20h 50m
1 stop
Depart: Fri Mar 2 2018 Return: Sat Mar 10 2018 Trip spans 9 days
Lufthansa
Lufthansa
LCY
SEA
21h 01m
2 stops
SEA
LCY
44h 45m
2 stops
Depart: Wed Jan 17 2018 Return: Sun Jan 28 2018 Trip spans 12 days
Norwegian
Norwegian
LGW
SEA
9h 55m
nonstop
SEA
LGW
9h 30m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

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.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

London
only $592
only $586
only $448
Manchester
$526
Destination

Seattle
$448