Find Deals on Flights from London to Washington (LON - WAS)

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 London to Washington

(Round-trip)
Depart: Sat Mar 25 2017 Return: Sun Mar 26 2017 Trip spans 2 days
KLM
KLM
LHR
IAD
24h 02m
1 stop
IAD
LHR
15h 05m
1 stop
Depart: Wed Mar 22 2017 Return: Wed Mar 29 2017 Trip spans 8 days
Icelandair
Icelandair
LHR
IAD
26h 55m
1 stop
IAD
LHR
10h 10m
1 stop
Depart: Sat Mar 25 2017 Return: Sun Mar 26 2017 Trip spans 2 days
Virgin Atlantic
Virgin Atlantic
LHR
DCA
18h 13m
1 stop
DCA
LHR
12h 28m
1 stop
Depart: Thu Mar 2 2017 Return: Mon Mar 6 2017 Trip spans 5 days
Aer Lingus
Aer Lingus
LGW
IAD
23h 20m
1 stop
IAD
LGW
9h 45m
1 stop
Depart: Wed Mar 22 2017 Return: Wed Mar 29 2017 Trip spans 8 days
Austrian Airlines
Austrian Airlines
STN
IAD
24h 15m
1 stop
IAD
STN
21h 15m
1 stop
Depart: Thu Mar 16 2017 Return: Tue Mar 21 2017 Trip spans 6 days
Lufthansa
Lufthansa
LCY
IAD
12h 35m
1 stop
IAD
LCY
18h 15m
1 stop
Depart: Sun Mar 5 2017 Return: Sun Mar 12 2017 Trip spans 8 days
SWISS
SWISS
LCY
IAD
24h 15m
1 stop
IAD
LCY
14h 50m
1 stop
Depart: Sun Jun 25 2017 Return: Wed Jul 19 2017 Trip spans 25 days
Turkish Airlines
Turkish Airlines
LGW
IAD
31h 10m
1 stop
IAD
LGW
29h 15m
1 stop
Depart: Fri Jun 9 2017 Return: Sun Jun 11 2017 Trip spans 3 days
British Airways
British Airways
LHR
DCA
26h 10m
1 stop
DCA
LHR
34h 05m
1 stop
Depart: Mon Apr 24 2017 Return: Tue May 23 2017 Trip spans 30 days
TAP Portugal
TAP Portugal
LGW
DCA
32h 35m
2 stops
DCA
LGW
15h 29m
2 stops
Depart: Sun Jun 18 2017 Return: Sat Jul 15 2017 Trip spans 28 days
Aeroflot
Aeroflot
LGW
IAD
25h 20m
1 stop
IAD
LGW
19h 45m
1 stop
Depart: Wed May 3 2017 Return: Wed May 17 2017 Trip spans 15 days
Delta
Delta
LHR
DCA
14h 02m
2 stops
DCA
LHR
9h 10m
1 stop
Depart: Fri May 19 2017 Return: Thu May 25 2017 Trip spans 7 days
Air Canada
Air Canada
LGW
DCA
11h 04m
1 stop
DCA
LGW
10h 45m
1 stop
Depart: Thu Mar 2 2017 Return: Mon Mar 6 2017 Trip spans 5 days
Icelandair
Icelandair
LHR
IAD
26h 55m
1 stop
IAD
LHR
10h 30m
1 stop
Depart: Sat Mar 25 2017 Return: Mon Mar 27 2017 Trip spans 3 days
Virgin Atlantic
Virgin Atlantic
LHR
DCA
27h 14m
1 stop
DCA
LHR
12h 50m
1 stop
Depart: Sun Mar 5 2017 Return: Sun Mar 12 2017 Trip spans 8 days
Aer Lingus
Aer Lingus
LGW
IAD
11h 55m
1 stop
IAD
LGW
11h 55m
1 stop
Depart: Wed Mar 22 2017 Return: Mon Mar 27 2017 Trip spans 6 days
Austrian Airlines
Austrian Airlines
STN
IAD
24h 15m
1 stop
IAD
STN
21h 15m
1 stop
Depart: Wed Jun 7 2017 Return: Mon Jun 19 2017 Trip spans 13 days
Icelandair
Icelandair
LHR
IAD
20h 35m
1 stop
IAD
LHR
25h 15m
1 stop
Depart: Tue Feb 28 2017 Return: Tue Mar 21 2017 Trip spans 21 days
Lufthansa
Lufthansa
LCY
IAD
15h 10m
1 stop
IAD
LCY
13h 35m
1 stop
Depart: Tue Mar 21 2017 Return: Tue Mar 28 2017 Trip spans 8 days
Aer Lingus
Aer Lingus
LGW
IAD
23h 45m
1 stop
IAD
LGW
10h 45m
1 stop
Direct flights LON to WAS on American Airlines
Flight # Depart LHR Arrive BWI Sun Mon Tue Wed Thu Fri Sat Valid Between
6174 1:40 pm 5:55 pm Mar 12 - Mar 25
6174 1:40 pm 4:55 pm Mar 6 - Mar 10
6174 1:40 pm 4:55 pm Mar 4 - Mar 11
6174 1:40 pm 5:55 pm Mar 13 - Mar 24
6174 3:40 pm 6:35 pm Mar 26 - Oct 28
Flight # Depart LHR Arrive IAD Sun Mon Tue Wed Thu Fri Sat Valid Between
6168 9:40 am 12:45 pm Mar 26 - May 31
6168 10:55 am 3:20 pm Mar 12 - Mar 19
6168 11:15 am 2:40 pm Feb 23 - Mar 11
6168 11:15 am 3:40 pm Mar 13 - Mar 25
6193 5:00 pm 9:30 pm Mar 12 - Mar 25
6193 5:00 pm 9:30 pm Mar 17 - Mar 24
6193 5:00 pm 8:30 pm Feb 23 - Mar 11
6193 5:00 pm 8:30 pm Feb 24 - Mar 10
6193 5:20 pm 8:20 pm Apr 6 - May 11
6193 5:20 pm 8:20 pm Apr 3 - May 17
6193 5:20 pm 8:20 pm Mar 27 - Apr 2
6193 5:20 pm 8:20 pm Mar 26 - Apr 1
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

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

London
only $419
only $538
only $528
only $535
Destination

Washington
only $419
only $481