Find Cheap Flights from United Kingdom to Washington

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

(Round-trip)
Depart: Sat Mar 24 2018 Return: Sat Mar 31 2018 Trip spans 8 days
British Airways
British Airways
MAN
IAD
23h 45m
1 stop
IAD
MAN
10h 00m
1 stop
Depart: Thu Feb 1 2018 Return: Sun Feb 11 2018 Trip spans 11 days
Icelandair
Icelandair
LHR
IAD
26h 55m
1 stop
IAD
LHR
10h 35m
1 stop
Depart: Wed Apr 25 2018 Return: Tue May 1 2018 Trip spans 7 days
KLM
KLM
MAN
IAD
27h 15m
1 stop
IAD
MAN
11h 45m
1 stop
Depart: Mon Jan 22 2018 Return: Wed Jan 31 2018 Trip spans 10 days
Multiple Airlines
Multiple Airlines
SOU
IAD
13h 55m
1 stop
IAD
SOU
11h 25m
1 stop
Depart: Tue May 29 2018 Return: Tue Jun 5 2018 Trip spans 8 days
Virgin Atlantic
Virgin Atlantic
MAN
DCA
30h 20m
1 stop
DCA
MAN
20h 15m
1 stop
Depart: Tue Apr 3 2018 Return: Tue Apr 17 2018 Trip spans 15 days
Aer Lingus
Aer Lingus
BHX
IAD
12h 25m
1 stop
IAD
BHX
12h 50m
1 stop
Depart: Thu Feb 15 2018 Return: Sun Feb 25 2018 Trip spans 11 days
Icelandair
Icelandair
GLA
IAD
10h 30m
1 stop
IAD
GLA
9h 10m
1 stop
Depart: Mon Jan 29 2018 Return: Sun Feb 18 2018 Trip spans 21 days
Multiple Airlines
Multiple Airlines
SOU
IAD
13h 55m
1 stop
IAD
SOU
11h 25m
1 stop
Depart: Wed Apr 25 2018 Return: Tue May 1 2018 Trip spans 7 days
KLM
KLM
MAN
DCA
26h 22m
2 stops
DCA
MAN
14h 30m
2 stops
Depart: Mon May 7 2018 Return: Mon May 21 2018 Trip spans 15 days
British Airways
British Airways
MAN
DCA
15h 45m
1 stop
DCA
MAN
10h 26m
1 stop
Depart: Fri Jan 26 2018 Return: Sun Jan 28 2018 Trip spans 3 days
Icelandair
Icelandair
LHR
IAD
11h 05m
1 stop
IAD
LHR
10h 35m
1 stop
Depart: Mon Feb 19 2018 Return: Mon Feb 26 2018 Trip spans 8 days
Multiple Airlines
Multiple Airlines
SOU
IAD
13h 55m
1 stop
IAD
SOU
11h 25m
1 stop
Depart: Mon May 28 2018 Return: Mon Jun 4 2018 Trip spans 8 days
Virgin Atlantic
Virgin Atlantic
MAN
DCA
13h 49m
1 stop
DCA
MAN
12h 21m
1 stop
Depart: Fri Mar 9 2018 Return: Tue Mar 27 2018 Trip spans 18 days
Aer Lingus
Aer Lingus
LGW
IAD
12h 10m
1 stop
IAD
LGW
12h 00m
1 stop
Depart: Mon Apr 9 2018 Return: Mon Apr 23 2018 Trip spans 15 days
KLM
KLM
GLA
IAD
15h 53m
2 stops
IAD
GLA
17h 25m
1 stop
Depart: Fri May 25 2018 Return: Mon Jun 4 2018 Trip spans 11 days
British Airways
British Airways
MAN
DCA
14h 32m
2 stops
DCA
MAN
14h 25m
2 stops
Depart: Thu Feb 1 2018 Return: Sun Feb 11 2018 Trip spans 11 days
Icelandair
Icelandair
LGW
IAD
11h 20m
1 stop
IAD
LGW
10h 10m
1 stop
Depart: Mon May 7 2018 Return: Mon May 21 2018 Trip spans 15 days
Multiple Airlines
Multiple Airlines
MAN
IAD
13h 20m
1 stop
IAD
MAN
9h 55m
1 stop
Depart: Sun Apr 22 2018 Return: Sun May 6 2018 Trip spans 15 days
Virgin Atlantic
Virgin Atlantic
MAN
IAD
27h 10m
1 stop
IAD
MAN
19h 25m
1 stop
Depart: Wed May 23 2018 Return: Wed Jun 6 2018 Trip spans 15 days
KLM
KLM
MAN
IAD
15h 29m
2 stops
IAD
MAN
14h 15m
1 stop
* 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

Southampton
$459
London
only $455
only $458
Manchester
$451
Glasgow
$455
Birmingham
$528
Destination

Washington
only $451
only $462