Find Cheap Flights from United Kingdom to Washington Dulles Intl

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 United Kingdom to Washington Dulles Intl

(Round-trip)
Depart: Mon Apr 9 2018 Return: Sun Apr 15 2018 Trip spans 7 days
Multiple Airlines
Multiple Airlines
EDI
IAD
22h 20m
1 stop
IAD
EDI
9h 45m
1 stop
Depart: Thu Jan 11 2018 Return: Sun Jan 14 2018 Trip spans 4 days
Icelandair
Icelandair
MAN
IAD
11h 00m
1 stop
IAD
MAN
10h 00m
1 stop
Depart: Thu Nov 9 2017 Return: Mon Nov 13 2017 Trip spans 5 days
Aer Lingus
Aer Lingus
LHR
IAD
13h 35m
1 stop
IAD
LHR
10h 45m
1 stop
Depart: Thu Dec 21 2017 Return: Sun Dec 24 2017 Trip spans 4 days
British Airways
British Airways
MAN
IAD
11h 30m
1 stop
IAD
MAN
12h 05m
1 stop
Depart: Fri Oct 20 2017 Return: Sun Oct 22 2017 Trip spans 3 days
KLM
KLM
SOU
IAD
11h 15m
1 stop
IAD
SOU
10h 05m
1 stop
Depart: Thu Jan 18 2018 Return: Sun Jan 21 2018 Trip spans 4 days
Icelandair
Icelandair
MAN
IAD
11h 00m
1 stop
IAD
MAN
10h 00m
1 stop
Depart: Tue Dec 19 2017 Return: Sun Jan 21 2018 Trip spans 34 days
Multiple Airlines
Multiple Airlines
MAN
IAD
25h 25m
1 stop
IAD
MAN
14h 30m
2 stops
Depart: Sun Dec 17 2017 Return: Wed Jan 10 2018 Trip spans 25 days
KLM
KLM
MAN
IAD
14h 55m
1 stop
IAD
MAN
14h 20m
2 stops
Depart: Thu Mar 22 2018 Return: Sun Apr 8 2018 Trip spans 18 days
Multiple Airlines
Multiple Airlines
BHX
IAD
33h 11m
2 stops
IAD
BHX
19h 25m
1 stop
Depart: Fri Nov 10 2017 Return: Sun Nov 19 2017 Trip spans 10 days
Aer Lingus
Aer Lingus
LGW
IAD
23h 30m
1 stop
IAD
LGW
11h 45m
1 stop
Depart: Mon Jan 15 2018 Return: Sun Feb 4 2018 Trip spans 21 days
Icelandair
Icelandair
LGW
IAD
11h 20m
1 stop
IAD
LGW
10h 10m
1 stop
Depart: Thu Dec 7 2017 Return: Tue Dec 12 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
MAN
IAD
35h 35m
1 stop
IAD
MAN
17h 15m
2 stops
Depart: Fri Nov 10 2017 Return: Sun Nov 19 2017 Trip spans 10 days
Aer Lingus
Aer Lingus
LHR
IAD
24h 00m
1 stop
IAD
LHR
10h 45m
1 stop
Depart: Thu Jan 18 2018 Return: Sat Jan 27 2018 Trip spans 10 days
Icelandair
Icelandair
LGW
IAD
11h 20m
1 stop
IAD
LGW
10h 10m
1 stop
Depart: Sun Dec 17 2017 Return: Wed Jan 10 2018 Trip spans 25 days
KLM
KLM
LBA
IAD
14h 40m
1 stop
IAD
LBA
15h 40m
2 stops
Depart: Mon Nov 13 2017 Return: Thu Nov 23 2017 Trip spans 11 days
Aer Lingus
Aer Lingus
LHR
IAD
12h 55m
1 stop
IAD
LHR
12h 50m
1 stop
Depart: Sat Nov 18 2017 Return: Sat Nov 25 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
BHX
IAD
14h 59m
2 stops
IAD
BHX
14h 20m
1 stop
Depart: Thu Jan 25 2018 Return: Thu Feb 1 2018 Trip spans 8 days
Icelandair
Icelandair
LGW
IAD
11h 20m
1 stop
IAD
LGW
10h 10m
1 stop
Depart: Wed Nov 8 2017 Return: Thu Nov 30 2017 Trip spans 23 days
Aer Lingus
Aer Lingus
LHR
IAD
14h 20m
1 stop
IAD
LHR
12h 50m
1 stop
Depart: Fri Jan 26 2018 Return: Thu Feb 8 2018 Trip spans 14 days
Icelandair
Icelandair
LGW
IAD
11h 20m
1 stop
IAD
LGW
10h 10m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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

Southampton
$514
Leeds
$526
London
only $511
only $476
Manchester
$454
Edinburgh
$440
Birmingham
$472
Destination

Washington
$440