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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Book cheap flights from Washington to London

(Round-trip)
Depart: Thu Mar 2 2017 Return: Wed Mar 8 2017 Trip spans 7 days
British Airways
British Airways
IAD
LHR
7h 10m
nonstop
LHR
IAD
11h 55m
1 stop
Depart: Fri Mar 3 2017 Return: Tue Mar 21 2017 Trip spans 18 days
Major Airline
Major Airline
DCA
LHR
11h 30m
1 stop
LHR
DCA
13h 05m
1 stop
Depart: Thu Apr 20 2017 Return: Mon May 1 2017 Trip spans 12 days
Turkish Airlines
Turkish Airlines
IAD
LGW
36h 00m
1 stop
LGW
IAD
31h 10m
1 stop
Depart: Sun May 7 2017 Return: Thu May 18 2017 Trip spans 12 days
Icelandair
Icelandair
IAD
LGW
10h 10m
1 stop
LGW
IAD
11h 00m
1 stop
Depart: Wed Mar 15 2017 Return: Tue Mar 21 2017 Trip spans 7 days
Virgin Atlantic
Virgin Atlantic
IAD
LHR
7h 15m
nonstop
LHR
IAD
8h 50m
nonstop
Depart: Wed Mar 29 2017 Return: Mon May 8 2017 Trip spans 41 days
TAP Portugal
TAP Portugal
DCA
LGW
13h 30m
2 stops
LGW
DCA
29h 44m
2 stops
Depart: Tue May 23 2017 Return: Wed May 31 2017 Trip spans 9 days
American Airlines
American Airlines
DCA
LGW
11h 13m
1 stop
LGW
DCA
11h 36m
1 stop
Depart: Tue Apr 4 2017 Return: Tue Apr 11 2017 Trip spans 8 days
Aer Lingus
Aer Lingus
IAD
LCY
11h 55m
1 stop
LCY
IAD
11h 35m
1 stop
Depart: Thu Aug 24 2017 Return: Sun Sep 3 2017 Trip spans 11 days
Air Canada
Air Canada
DCA
LHR
15h 25m
1 stop
LHR
DCA
12h 35m
1 stop
Depart: Tue Apr 4 2017 Return: Mon Apr 10 2017 Trip spans 7 days
Lufthansa
Lufthansa
IAD
STN
16h 00m
1 stop
STN
IAD
27h 50m
1 stop
Depart: Wed Mar 22 2017 Return: Tue Mar 28 2017 Trip spans 7 days
Austrian Airlines
Austrian Airlines
IAD
STN
20h 05m
1 stop
STN
IAD
23h 40m
1 stop
Depart: Tue Jul 4 2017 Return: Thu Jul 13 2017 Trip spans 10 days
SWISS
SWISS
IAD
LCY
13h 10m
1 stop
LCY
IAD
12h 25m
1 stop
Depart: Tue Apr 11 2017 Return: Wed Apr 26 2017 Trip spans 16 days
KLM
KLM
IAD
LCY
10h 50m
1 stop
LCY
IAD
12h 55m
1 stop
Depart: Sat Mar 11 2017 Return: Sat Mar 18 2017 Trip spans 7 days
SAS
SAS
IAD
LHR
17h 45m
1 stop
LHR
IAD
13h 30m
1 stop
Depart: Wed May 3 2017 Return: Tue May 9 2017 Trip spans 7 days
British Airways
British Airways
IAD
LHR
7h 10m
nonstop
LHR
IAD
8h 00m
nonstop
Depart: Thu Mar 16 2017 Return: Wed Mar 29 2017 Trip spans 14 days
Major Airline
Major Airline
IAD
LHR
10h 30m
1 stop
LHR
IAD
11h 00m
1 stop
Depart: Mon Apr 24 2017 Return: Mon May 15 2017 Trip spans 22 days
Major Airline
Major Airline
IAD
LGW
12h 00m
nonstop
LGW
IAD
11h 50m
nonstop
Depart: Mon Apr 3 2017 Return: Mon May 15 2017 Trip spans 43 days
British Airways
British Airways
IAD
LCY
11h 55m
1 stop
LCY
IAD
29h 05m
2 stops
Depart: Sun Mar 5 2017 Return: Wed Mar 22 2017 Trip spans 17 days
Turkish Airlines
Turkish Airlines
IAD
LGW
35h 55m
1 stop
LGW
IAD
31h 20m
1 stop
Depart: Tue Apr 25 2017 Return: Wed May 3 2017 Trip spans 9 days
Icelandair
Icelandair
IAD
LHR
18h 35m
1 stop
LHR
IAD
27h 00m
1 stop
Direct flights WAS to LON on American Airlines
Flight # Depart BWI Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
6173 7:30 pm 7:30 am Feb 24 - Mar 10
6173 7:30 pm 7:30 am Feb 23 - Mar 9
6173 7:35 pm 7:35 am Mar 4 - Mar 11
6173 8:30 pm 7:30 am Mar 13 - Mar 24
6173 8:30 pm 7:30 am Mar 12 - Mar 23
6173 8:35 pm 7:35 am Mar 18 - Mar 18
6173 9:25 pm 9:35 am Mar 25 - Oct 27
6173 9:40 pm 9:50 am Mar 26 - Oct 26
Flight # Depart IAD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
6167 5:45 pm 5:55 am Feb 23 - Mar 9
6167 6:00 pm 6:20 am Mar 26 - May 31
6167 6:25 pm 6:30 am Feb 24 - Mar 11
6167 6:45 pm 5:55 am Mar 16 - Mar 23
6167 7:25 pm 6:30 am Mar 12 - Mar 24
6167 7:25 pm 7:30 am Mar 25 - Mar 25
6192 10:20 pm 10:30 am Mar 26 - Apr 1
6192 10:20 pm 10:30 am Mar 27 - Apr 2
6192 10:20 pm 10:30 am Apr 3 - May 17
6192 10:30 pm 10:35 am Feb 24 - Mar 10
6192 10:30 pm 10:35 am Feb 25 - Mar 11
6192 10:55 pm 11:00 am Feb 23 - Mar 9
6192 11:30 pm 10:35 am Mar 12 - Mar 22
6192 11:30 pm 10:35 am Mar 17 - Mar 24
6192 11:30 pm 11:40 am Mar 25 - Mar 25
6192 11:55 pm 11:00 am Mar 14 - Mar 23
* 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.

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

Washington
only $475
only $496
Destination

London
only $475
only $512
only $499
only $812
Airlines Airline reviews

74 travelers who booked a flight from Washington to London rated their chosen airlines with an average of 8.1.

Overall
8.0
Boarding
8.2
Crew
8.5
Comfort
7.6
Food
7.6
Entertainment
8.4