Find Cheap 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: Wed Nov 1 2017 Return: Wed Nov 22 2017 Trip spans 22 days
Norwegian
Norwegian
SEA
LGW
9h 30m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Sun Nov 26 2017 Return: Sun Dec 10 2017 Trip spans 15 days
Norwegian
Norwegian
SEA
LGW
9h 30m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Wed Nov 29 2017 Return: Mon Dec 11 2017 Trip spans 13 days
Norwegian
Norwegian
SEA
LGW
9h 30m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Sun Dec 3 2017 Return: Wed Dec 13 2017 Trip spans 11 days
Norwegian
Norwegian
SEA
LGW
9h 30m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Mon Dec 4 2017 Return: Wed Dec 13 2017 Trip spans 10 days
Norwegian
Norwegian
SEA
LGW
9h 30m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Fri Dec 8 2017 Return: Mon Dec 25 2017 Trip spans 18 days
Norwegian
Norwegian
SEA
LGW
9h 30m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Mon Jan 8 2018 Return: Fri Jan 26 2018 Trip spans 19 days
Norwegian
Norwegian
SEA
LGW
9h 30m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Wed Jan 10 2018 Return: Fri Jan 26 2018 Trip spans 17 days
Norwegian
Norwegian
SEA
LGW
9h 30m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Fri Jan 12 2018 Return: Fri Jan 26 2018 Trip spans 15 days
Norwegian
Norwegian
SEA
LGW
9h 30m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Mon Jan 15 2018 Return: Fri Feb 2 2018 Trip spans 19 days
Norwegian
Norwegian
SEA
LGW
9h 30m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Wed Jan 17 2018 Return: Wed Feb 7 2018 Trip spans 22 days
Norwegian
Norwegian
SEA
LGW
9h 30m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Fri Feb 2 2018 Return: Mon Feb 12 2018 Trip spans 11 days
Norwegian
Norwegian
SEA
LGW
9h 30m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Fri Feb 9 2018 Return: Sun Feb 18 2018 Trip spans 10 days
Norwegian
Norwegian
SEA
LGW
9h 30m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Fri Feb 16 2018 Return: Fri Feb 23 2018 Trip spans 8 days
Norwegian
Norwegian
SEA
LGW
9h 30m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Sun Feb 18 2018 Return: Wed Mar 7 2018 Trip spans 18 days
Norwegian
Norwegian
SEA
LGW
9h 30m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Wed Feb 21 2018 Return: Mon Mar 5 2018 Trip spans 13 days
Norwegian
Norwegian
SEA
LGW
9h 30m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Sun Mar 4 2018 Return: Wed Mar 7 2018 Trip spans 4 days
Norwegian
Norwegian
SEA
LGW
9h 30m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Wed Oct 11 2017 Return: Fri Nov 3 2017 Trip spans 24 days
Norwegian
Norwegian
SEA
LGW
9h 20m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Fri Oct 20 2017 Return: Fri Nov 3 2017 Trip spans 15 days
Norwegian
Norwegian
SEA
LGW
9h 20m
nonstop
LGW
SEA
9h 55m
nonstop
Depart: Fri Nov 3 2017 Return: Sun Nov 12 2017 Trip spans 10 days
Norwegian
Norwegian
SEA
LGW
9h 30m
nonstop
LGW
SEA
9h 55m
nonstop
Direct flights SEA to LON on American Airlines
Flight # Depart SEA Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
6232 1:15 pm 6:45 am Sep 7 - Oct 26
6232 1:20 pm 6:50 am Sep 2 - Oct 23
6232 1:20 pm 5:50 am Oct 28 - Oct 28
6232 1:30 pm 7:00 am Sep 3 - Oct 27
6127 7:15 pm 12:25 pm Oct 1 - Oct 27
6127 7:15 pm 12:25 pm Sep 2 - Sep 30
6127 7:20 pm 11:45 am Oct 28 - Nov 4
* 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.
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.

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Airports
Origin

Seattle
$400
Destination

London
$400
Airlines