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
Students
under 26
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: Fri Jun 2 2017 Return: Sun Jun 11 2017 Trip spans 10 days
Icelandair
Icelandair
IAD
LGW
16h 50m
1 stop
LGW
IAD
28h 35m
1 stop
Depart: Wed May 10 2017 Return: Thu May 25 2017 Trip spans 16 days
Major Airline
Major Airline
DCA
LHR
13h 30m
1 stop
LHR
DCA
10h 26m
1 stop
Depart: Mon Apr 3 2017 Return: Sat Apr 8 2017 Trip spans 6 days
Virgin Atlantic
Virgin Atlantic
IAD
LHR
7h 25m
nonstop
LHR
IAD
8h 20m
nonstop
Depart: Fri Feb 3 2017 Return: Sat Feb 4 2017 Trip spans 2 days
British Airways
British Airways
DCA
LHR
22h 06m
2 stops
LHR
DCA
26h 03m
2 stops
Depart: Mon Jan 23 2017 Return: Tue Jan 31 2017 Trip spans 9 days
Turkish Airlines
Turkish Airlines
IAD
LGW
29h 25m
1 stop
LGW
IAD
31h 20m
1 stop
Depart: Mon Mar 13 2017 Return: Wed Mar 15 2017 Trip spans 3 days
TAP Portugal
TAP Portugal
DCA
LGW
19h 06m
2 stops
LGW
DCA
24h 57m
2 stops
Depart: Mon Apr 17 2017 Return: Mon May 1 2017 Trip spans 15 days
SWISS
SWISS
IAD
LCY
19h 10m
1 stop
LCY
IAD
12h 15m
1 stop
Depart: Tue Apr 11 2017 Return: Tue Apr 18 2017 Trip spans 8 days
Aer Lingus
Aer Lingus
IAD
LCY
11h 55m
1 stop
LCY
IAD
11h 35m
1 stop
Depart: Mon May 1 2017 Return: Mon May 8 2017 Trip spans 8 days
Iberia
Iberia
DCA
LGW
16h 25m
1 stop
LGW
DCA
16h 36m
2 stops
Depart: Mon May 1 2017 Return: Mon May 8 2017 Trip spans 8 days
Austrian Airlines
Austrian Airlines
IAD
STN
21h 15m
1 stop
STN
IAD
23h 40m
1 stop
Depart: Sun May 21 2017 Return: Wed Jun 7 2017 Trip spans 18 days
Air Canada
Air Canada
DCA
LHR
10h 00m
1 stop
LHR
DCA
12h 34m
1 stop
Depart: Wed Jun 7 2017 Return: Sun Jun 18 2017 Trip spans 12 days
United
United
DCA
LGW
16h 35m
1 stop
LGW
DCA
11h 00m
1 stop
Depart: Thu Mar 9 2017 Return: Mon Mar 20 2017 Trip spans 11 days
KLM
KLM
IAD
LCY
10h 15m
1 stop
LCY
IAD
11h 05m
1 stop
Depart: Sun Mar 26 2017 Return: Wed Apr 5 2017 Trip spans 11 days
Icelandair
Icelandair
IAD
LGW
10h 10m
1 stop
LGW
IAD
11h 15m
1 stop
Depart: Wed May 17 2017 Return: Wed Jun 7 2017 Trip spans 22 days
Major Airline
Major Airline
DCA
LHR
11h 40m
1 stop
LHR
DCA
14h 26m
1 stop
Depart: Fri Apr 21 2017 Return: Tue May 2 2017 Trip spans 12 days
Virgin Atlantic
Virgin Atlantic
IAD
LHR
7h 25m
nonstop
LHR
IAD
8h 20m
nonstop
Depart: Tue Jan 24 2017 Return: Sun Feb 12 2017 Trip spans 20 days
Turkish Airlines
Turkish Airlines
IAD
LGW
35h 55m
1 stop
LGW
IAD
31h 20m
1 stop
Depart: Tue May 30 2017 Return: Wed Jun 7 2017 Trip spans 9 days
Icelandair
Icelandair
IAD
LGW
16h 40m
1 stop
LGW
IAD
11h 15m
1 stop
Depart: Sat May 20 2017 Return: Tue Jun 20 2017 Trip spans 32 days
Major Airline
Major Airline
DCA
LHR
10h 25m
1 stop
LHR
DCA
12h 56m
1 stop
Depart: Tue Jan 24 2017 Return: Sun Jan 29 2017 Trip spans 6 days
British Airways
British Airways
DCA
LHR
11h 30m
1 stop
LHR
DCA
39h 23m
2 stops
Direct flights WAS to LON on Delta
Flight # Depart IAD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
4383 6:45 pm 7:00 am Jan 30 - Feb 6
4383 6:45 pm 7:00 am Feb 7 - Feb 14
4383 6:45 pm 7:00 am Jan 22 - Jan 29
4383 6:45 pm 7:00 am Feb 15 - Feb 27
4383 9:15 pm 9:30 am Jan 12 - Feb 23
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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 $533
only $539
Destination

London
only $539
only $675
only $533
only $707
Airlines Airline reviews

11 travelers who booked a flight from Washington to London rated their chosen airlines with an average of 9.0.

Overall
8.9
Boarding
9.1
Crew
9.3
Comfort
8.5
Food
9.3
Entertainment
9.3