Find Deals on Flights from Washington to London (WAS - 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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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Washington to London

(Round-trip)
Depart: Sat Feb 4 2017 Return: Mon Feb 6 2017 Trip spans 3 days
Icelandair
Icelandair
IAD
LGW
19h 00m
1 stop
LGW
IAD
11h 00m
1 stop
Depart: Mon Dec 19 2016 Return: Wed Dec 28 2016 Trip spans 10 days
Virgin Atlantic
Virgin Atlantic
IAD
LHR
7h 15m
nonstop
LHR
IAD
8h 50m
nonstop
Depart: Sat Feb 4 2017 Return: Mon Feb 6 2017 Trip spans 3 days
United
United
IAD
LHR
18h 08m
1 stop
LHR
IAD
13h 20m
1 stop
Depart: Wed Jan 4 2017 Return: Thu Jan 26 2017 Trip spans 23 days
Major Airline
Major Airline
DCA
LHR
13h 52m
nonstop
LHR
DCA
12h 41m
nonstop
Depart: Thu Feb 16 2017 Return: Wed Feb 22 2017 Trip spans 7 days
Austrian Airlines
Austrian Airlines
IAD
LHR
7h 05m
nonstop
LHR
IAD
8h 35m
nonstop
Depart: Sun Jan 8 2017 Return: Mon Jan 16 2017 Trip spans 9 days
American Airlines
American Airlines
DCA
LHR
11h 10m
1 stop
LHR
DCA
10h 59m
1 stop
Depart: Thu Mar 30 2017 Return: Fri Apr 7 2017 Trip spans 9 days
SWISS
SWISS
IAD
LCY
15h 15m
1 stop
LCY
IAD
12h 20m
1 stop
Depart: Mon Oct 10 2016 Return: Mon Oct 31 2016 Trip spans 22 days
Turkish Airlines
Turkish Airlines
IAD
LGW
35h 55m
1 stop
LGW
IAD
37h 50m
1 stop
Depart: Fri Dec 16 2016 Return: Sun Dec 25 2016 Trip spans 10 days
Alitalia
Alitalia
DCA
LHR
18h 00m
2 stops
LHR
DCA
20h 08m
2 stops
Depart: Fri Dec 30 2016 Return: Sun Jan 8 2017 Trip spans 10 days
Aer Lingus
Aer Lingus
IAD
LHR
13h 20m
1 stop
LHR
IAD
12h 30m
1 stop
Depart: Wed Mar 22 2017 Return: Wed Apr 5 2017 Trip spans 15 days
KLM
KLM
IAD
LCY
12h 20m
1 stop
LCY
IAD
11h 10m
1 stop
Depart: Mon Dec 19 2016 Return: Wed Jan 4 2017 Trip spans 17 days
Delta
Delta
DCA
LGW
14h 15m
2 stops
LGW
DCA
26h 21m
2 stops
Depart: Wed Feb 1 2017 Return: Tue Feb 14 2017 Trip spans 14 days
Lufthansa
Lufthansa
IAD
LCY
13h 35m
1 stop
LCY
IAD
15h 10m
1 stop
Depart: Thu Sep 29 2016 Return: Thu Oct 6 2016 Trip spans 8 days
Finnair
Finnair
DCA
LGW
16h 30m
1 stop
LGW
DCA
11h 20m
1 stop
Depart: Tue Oct 18 2016 Return: Sat Oct 29 2016 Trip spans 12 days
British Airways
British Airways
DCA
LGW
11h 29m
1 stop
LGW
DCA
11h 20m
1 stop
Depart: Tue Nov 22 2016 Return: Sat Nov 26 2016 Trip spans 5 days
Iberia
Iberia
DCA
LGW
15h 11m
2 stops
LGW
DCA
27h 29m
2 stops
Depart: Sat Feb 4 2017 Return: Mon Feb 6 2017 Trip spans 3 days
Icelandair
Icelandair
IAD
LHR
18h 45m
1 stop
LHR
IAD
10h 50m
1 stop
Depart: Wed Oct 26 2016 Return: Mon Oct 31 2016 Trip spans 6 days
Virgin Atlantic
Virgin Atlantic
DCA
LHR
11h 46m
1 stop
LHR
DCA
12h 56m
1 stop
Depart: Fri Mar 3 2017 Return: Sun Mar 5 2017 Trip spans 3 days
Icelandair
Icelandair
IAD
LHR
18h 45m
1 stop
LHR
IAD
10h 50m
1 stop
Depart: Wed Oct 26 2016 Return: Tue Nov 1 2016 Trip spans 7 days
Virgin Atlantic
Virgin Atlantic
IAD
LHR
12h 33m
1 stop
LHR
IAD
14h 32m
1 stop
Direct flights WAS to LON on Delta
Flight # Depart IAD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
4383 6:55 pm 6:20 am Oct 29 - Oct 29
4383 6:55 pm 7:20 am Sep 20 - Oct 28
4383 7:45 pm 7:00 am Oct 30 - Nov 5
* 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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^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
Airports
Origin

Washington
only $353
only $377
Destination

London
only $363
only $508
only $353
Airlines Airline reviews

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

Overall
7.8
Boarding
8.4
Crew
8.8
Comfort
7.5
Food
7.2
Entertainment
7.8