Find Cheap 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: Fri Jan 19 2018 Return: Mon Jan 22 2018 Trip spans 4 days
Multiple Airlines
Multiple Airlines
IAD
LTN
12h 30m
1 stop
LTN
IAD
15h 40m
1 stop
Depart: Fri Jan 19 2018 Return: Fri Jan 26 2018 Trip spans 8 days
Icelandair
Icelandair
IAD
LGW
10h 25m
1 stop
LGW
IAD
11h 20m
1 stop
Depart: Fri Jan 19 2018 Return: Wed Jan 24 2018 Trip spans 6 days
Multiple Airlines
Multiple Airlines
IAD
LTN
12h 30m
1 stop
LTN
IAD
15h 40m
1 stop
Depart: Fri Jan 26 2018 Return: Mon Jan 29 2018 Trip spans 4 days
Multiple Airlines
Multiple Airlines
IAD
LTN
12h 30m
1 stop
LTN
IAD
15h 40m
1 stop
Depart: Wed Feb 21 2018 Return: Sun Feb 25 2018 Trip spans 5 days
Icelandair
Icelandair
IAD
LGW
10h 10m
1 stop
LGW
IAD
11h 20m
1 stop
Depart: Mon Jan 15 2018 Return: Thu Jan 18 2018 Trip spans 4 days
Multiple Airlines
Multiple Airlines
IAD
STN
19h 25m
1 stop
STN
IAD
16h 10m
1 stop
Depart: Sun Jan 14 2018 Return: Sat Jan 20 2018 Trip spans 7 days
Icelandair
Icelandair
IAD
LGW
10h 10m
1 stop
LGW
IAD
11h 20m
1 stop
Depart: Thu Jan 18 2018 Return: Sun Feb 4 2018 Trip spans 18 days
Multiple Airlines
Multiple Airlines
IAD
LTN
14h 00m
1 stop
LTN
IAD
15h 40m
1 stop
Depart: Wed Jan 17 2018 Return: Fri Jan 26 2018 Trip spans 10 days
Icelandair
Icelandair
IAD
LGW
10h 10m
1 stop
LGW
IAD
11h 20m
1 stop
Depart: Thu Jan 18 2018 Return: Sat Jan 27 2018 Trip spans 10 days
Icelandair
Icelandair
IAD
LGW
10h 10m
1 stop
LGW
IAD
11h 20m
1 stop
Depart: Thu Jan 18 2018 Return: Sun Feb 4 2018 Trip spans 18 days
Multiple Airlines
Multiple Airlines
IAD
LGW
22h 05m
1 stop
LGW
IAD
16h 15m
1 stop
Depart: Fri Jan 19 2018 Return: Sat Jan 27 2018 Trip spans 9 days
Icelandair
Icelandair
IAD
LGW
10h 25m
1 stop
LGW
IAD
11h 20m
1 stop
Depart: Fri Jan 19 2018 Return: Sun Jan 21 2018 Trip spans 3 days
Multiple Airlines
Multiple Airlines
IAD
LTN
12h 30m
1 stop
LTN
IAD
15h 40m
1 stop
Depart: Fri Jan 19 2018 Return: Sat Jan 27 2018 Trip spans 9 days
Icelandair
Icelandair
IAD
LGW
10h 25m
1 stop
LGW
IAD
11h 20m
1 stop
Depart: Mon Jan 15 2018 Return: Thu Jan 18 2018 Trip spans 4 days
Multiple Airlines
Multiple Airlines
IAD
LGW
12h 25m
1 stop
LGW
IAD
17h 10m
1 stop
Depart: Sat Jan 20 2018 Return: Mon Jan 29 2018 Trip spans 10 days
Icelandair
Icelandair
IAD
LGW
10h 10m
1 stop
LGW
IAD
11h 20m
1 stop
Depart: Wed Feb 21 2018 Return: Thu Mar 1 2018 Trip spans 9 days
Multiple Airlines
Multiple Airlines
IAD
LGW
12h 25m
1 stop
LGW
IAD
17h 10m
1 stop
Depart: Sun Jan 21 2018 Return: Mon Jan 29 2018 Trip spans 9 days
Icelandair
Icelandair
IAD
LGW
10h 10m
1 stop
LGW
IAD
11h 20m
1 stop
Depart: Sun Jan 14 2018 Return: Sun Jan 28 2018 Trip spans 15 days
Multiple Airlines
Multiple Airlines
IAD
LTN
14h 00m
1 stop
LTN
IAD
15h 40m
1 stop
Depart: Thu Jan 25 2018 Return: Sun Feb 4 2018 Trip spans 11 days
Icelandair
Icelandair
IAD
LGW
10h 10m
1 stop
LGW
IAD
11h 20m
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 8:20 pm 8:20 am Nov 25 - Dec 23
6173 8:20 pm 8:20 am Nov 5 - Nov 22
6173 9:20 pm 8:20 am Oct 28 - Nov 4
6173 9:25 pm 9:35 am Oct 7 - Oct 27
6173 9:40 pm 9:50 am Oct 8 - Oct 26
Flight # Depart IAD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
6167 5:50 pm 5:55 am Nov 9 - Mar 8
6167 6:00 pm 6:20 am Oct 7 - Oct 27
6167 6:00 pm 5:20 am Oct 28 - Oct 28
6167 6:25 pm 6:30 am Nov 5 - Dec 24
6167 6:50 pm 5:55 am Nov 2 - Nov 2
6167 7:25 pm 6:30 am Oct 29 - Nov 4
6192 10:20 pm 10:30 am Oct 7 - Oct 27
6192 10:30 pm 10:40 am Nov 5 - Nov 22
6192 10:30 pm 10:40 am Nov 25 - Dec 23
6192 11:30 pm 10:40 am Oct 28 - Nov 4
* 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.

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Airports
Origin

Washington
$349
Destination

London
only $349
only $371
only $358
Airlines