Find Cheap Flights to London Airport

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 Dulles Intl to London Airport

(Round-trip)
Depart: Thu Oct 5 2017 Return: Mon Oct 9 2017 Trip spans 5 days
Air Canada
Air Canada
IAD
12:20p
YXU
4:27p
4h 07m
1 stop
YXU
7:15a
IAD
11:49a
4h 34m
1 stop
Depart: Fri Oct 6 2017 Return: Tue Oct 10 2017 Trip spans 5 days
Air Canada
Air Canada
IAD
6:15a
YXU
10:57a
4h 42m
1 stop
YXU
7:50a
IAD
11:49a
3h 59m
1 stop
Depart: Sat Oct 7 2017 Return: Tue Oct 10 2017 Trip spans 4 days
Air Canada
Air Canada
IAD
6:15a
YXU
10:57a
4h 42m
1 stop
YXU
7:50a
IAD
11:49a
3h 59m
1 stop
Depart: Fri Nov 10 2017 Return: Sun Nov 12 2017 Trip spans 3 days
Air Canada
Air Canada
IAD
9:30a
YXU
3:12p
5h 42m
1 stop
YXU
4:15a
IAD
9:00a
4h 45m
1 stop
Depart: Sat Dec 23 2017 Return: Tue Jan 2 2018 Trip spans 11 days
Air Canada
Air Canada
IAD
3:15a
YXU
7:58a
4h 43m
1 stop
YXU
5:35a
IAD
9:00a
3h 25m
1 stop
Depart: Fri Aug 25 2017 Return: Fri Sep 1 2017 Trip spans 8 days
Air Canada
Air Canada
IAD
6:15a
YXU
10:56a
4h 41m
1 stop
YXU
7:15a
IAD
11:49a
4h 34m
1 stop
* 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
$359
Destination

London
$359
Airlines