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

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
Students
under 26
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 Heathrow

(Round-trip)
Depart: Tue Apr 11 2017 Return: Fri May 5 2017 Trip spans 25 days
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 00m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Sat Jun 3 2017 Return: Thu Jun 15 2017 Trip spans 13 days
Delta
Delta
SEA
LHR
12h 50m
1 stop
LHR
SEA
15h 27m
1 stop
Depart: Thu Jul 13 2017 Return: Wed Jul 26 2017 Trip spans 14 days
British Airways
British Airways
SEA
LHR
23h 30m
2 stops
LHR
SEA
20h 20m
1 stop
Depart: Fri Jul 21 2017 Return: Fri Aug 4 2017 Trip spans 15 days
Air Canada
Air Canada
SEA
LHR
14h 35m
1 stop
LHR
SEA
12h 54m
1 stop
Depart: Thu Apr 20 2017 Return: Mon Apr 24 2017 Trip spans 5 days
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 00m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Sat Apr 22 2017 Return: Mon May 1 2017 Trip spans 10 days
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 00m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Wed Apr 26 2017 Return: Fri May 5 2017 Trip spans 10 days
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 00m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Sun Jun 4 2017 Return: Sun Jun 11 2017 Trip spans 8 days
Delta
Delta
SEA
LHR
14h 45m
1 stop
LHR
SEA
15h 00m
1 stop
Depart: Sat Apr 29 2017 Return: Fri May 5 2017 Trip spans 7 days
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 00m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Mon Jun 5 2017 Return: Mon Jun 12 2017 Trip spans 8 days
Delta
Delta
SEA
LHR
16h 15m
1 stop
LHR
SEA
13h 19m
1 stop
Depart: Mon May 1 2017 Return: Tue May 9 2017 Trip spans 9 days
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 00m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Wed Jun 7 2017 Return: Wed Jun 14 2017 Trip spans 8 days
Delta
Delta
SEA
LHR
13h 50m
1 stop
LHR
SEA
15h 20m
1 stop
Depart: Wed May 3 2017 Return: Wed May 10 2017 Trip spans 8 days
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 00m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Thu Mar 23 2017 Return: Wed Apr 12 2017 Trip spans 21 days
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 58m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Mon Mar 27 2017 Return: Fri Apr 28 2017 Trip spans 33 days
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 00m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Tue Jun 13 2017 Return: Wed Jun 28 2017 Trip spans 16 days
Delta
Delta
SEA
LHR
19h 00m
1 stop
LHR
SEA
16h 46m
1 stop
Depart: Tue Mar 28 2017 Return: Thu Apr 13 2017 Trip spans 17 days
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 00m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Wed Mar 29 2017 Return: Thu Apr 20 2017 Trip spans 23 days
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 00m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Thu Mar 30 2017 Return: Mon Apr 17 2017 Trip spans 19 days
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 00m
nonstop
LHR
SEA
9h 40m
nonstop
Depart: Wed May 3 2017 Return: Fri May 19 2017 Trip spans 17 days
Virgin Atlantic
Virgin Atlantic
SEA
LHR
9h 00m
nonstop
LHR
SEA
9h 40m
nonstop
Direct flights SEA to LHR on Delta
Flight # Depart SEA Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
36 6:51 pm 12:50 pm Jan 26 - Jan 31
36 6:51 pm 12:50 pm Jan 28 - Jan 28
36 6:53 pm 12:50 pm Feb 18 - Feb 18
36 6:53 pm 12:50 pm Feb 21 - Feb 27
36 6:53 pm 12:50 pm Feb 2 - Feb 6
36 6:53 pm 12:50 pm Feb 14 - Feb 16
36 6:53 pm 12:50 pm Feb 4 - Feb 4
36 6:53 pm 12:50 pm Feb 25 - Feb 25
36 6:53 pm 12:50 pm Feb 11 - Feb 11
36 7:37 pm 1:35 pm Jan 25 - Jan 29
36 7:38 pm 1:35 pm Feb 1 - Feb 10
36 7:38 pm 1:35 pm Feb 5 - Feb 5
36 7:38 pm 1:35 pm Feb 17 - Feb 17
36 7:38 pm 1:35 pm Feb 12 - Feb 19
* 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
$519
Destination

London
$519
Airlines Airline reviews

48 travelers who booked a flight from Seattle to London rated their chosen airlines with an average of 7.9.

Overall
8.0
Boarding
8.2
Crew
8.6
Comfort
7.3
Food
7.4
Entertainment
8.0