Find Deals on Flights from Washington to United Kingdom

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
Students
under 26
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 United Kingdom

(Round-trip)
Depart: Fri Mar 24 2017 Return: Sun Mar 26 2017 Trip spans 3 days
British Airways
British Airways
IAD
LGW
17h 10m
2 stops
LGW
IAD
11h 25m
1 stop
Depart: Thu Feb 2 2017 Return: Sun Feb 5 2017 Trip spans 4 days
Icelandair
Icelandair
IAD
LGW
10h 30m
1 stop
LGW
IAD
11h 00m
1 stop
Depart: Fri Feb 17 2017 Return: Sun Feb 19 2017 Trip spans 3 days
Major Airline
Major Airline
DCA
LHR
19h 20m
2 stops
LHR
DCA
34h 39m
2 stops
Depart: Mon Feb 6 2017 Return: Tue Feb 28 2017 Trip spans 23 days
Finnair
Finnair
DCA
LGW
16h 18m
1 stop
LGW
DCA
11h 14m
1 stop
Depart: Thu Feb 9 2017 Return: Wed Feb 15 2017 Trip spans 7 days
American Airlines
American Airlines
DCA
LGW
11h 30m
1 stop
LGW
DCA
11h 19m
1 stop
Depart: Thu Mar 2 2017 Return: Mon Mar 6 2017 Trip spans 5 days
Virgin Atlantic
Virgin Atlantic
IAD
LHR
7h 15m
nonstop
LHR
IAD
8h 50m
nonstop
Depart: Mon Jan 9 2017 Return: Sun Jan 22 2017 Trip spans 14 days
United
United
DCA
GLA
13h 31m
1 stop
GLA
DCA
10h 59m
1 stop
Depart: Thu Dec 8 2016 Return: Sun Dec 11 2016 Trip spans 4 days
Iberia
Iberia
DCA
LHR
15h 50m
1 stop
LHR
DCA
30h 23m
1 stop
Depart: Wed Apr 5 2017 Return: Sat Apr 15 2017 Trip spans 11 days
Delta
Delta
DCA
GLA
31h 54m
2 stops
GLA
DCA
26h 01m
2 stops
Depart: Fri Dec 30 2016 Return: Wed Jan 11 2017 Trip spans 13 days
KLM
KLM
IAD
GLA
11h 10m
1 stop
GLA
IAD
14h 45m
1 stop
Depart: Mon Mar 13 2017 Return: Wed Mar 22 2017 Trip spans 10 days
Austrian Airlines
Austrian Airlines
IAD
STN
20h 00m
1 stop
STN
IAD
24h 15m
1 stop
Depart: Sun Jan 29 2017 Return: Thu Feb 9 2017 Trip spans 12 days
Lufthansa
Lufthansa
IAD
SOU
19h 45m
1 stop
SOU
IAD
16h 15m
1 stop
Depart: Tue Mar 28 2017 Return: Mon Apr 3 2017 Trip spans 7 days
SWISS
SWISS
IAD
LCY
17h 55m
1 stop
LCY
IAD
34h 20m
1 stop
Depart: Thu Jan 19 2017 Return: Tue Jan 24 2017 Trip spans 6 days
Turkish Airlines
Turkish Airlines
IAD
LGW
35h 55m
1 stop
LGW
IAD
37h 50m
1 stop
Depart: Tue May 9 2017 Return: Sat May 20 2017 Trip spans 12 days
Air Canada
Air Canada
DCA
LHR
9h 25m
1 stop
LHR
DCA
13h 44m
1 stop
Depart: Thu Jan 19 2017 Return: Mon Jan 23 2017 Trip spans 5 days
TAP Portugal
TAP Portugal
DCA
LGW
20h 23m
2 stops
LGW
DCA
16h 23m
2 stops
Depart: Wed Jan 11 2017 Return: Mon Jan 16 2017 Trip spans 6 days
Aer Lingus
Aer Lingus
IAD
LBA
9h 30m
1 stop
LBA
IAD
12h 20m
1 stop
Depart: Fri Mar 3 2017 Return: Sun Mar 5 2017 Trip spans 3 days
British Airways
British Airways
DCA
LGW
31h 50m
2 stops
LGW
DCA
29h 00m
1 stop
Depart: Sat Apr 8 2017 Return: Sat Apr 15 2017 Trip spans 8 days
Brussels Airlines
Brussels Airlines
IAD
BRS
18h 10m
1 stop
BRS
IAD
11h 50m
1 stop
Depart: Thu Feb 2 2017 Return: Sun Feb 5 2017 Trip spans 4 days
Icelandair
Icelandair
IAD
LHR
18h 45m
1 stop
LHR
IAD
10h 50m
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.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

Washington
only $405
only $412
Destination

Southampton
$606
Leeds
$685
Bristol
$849
London
only $423
only $608
only $405
only $575
Glasgow
$519