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
The price shown for each flight will be the average for all passengers including any infants.
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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Washington to United Kingdom

(Round-trip)
Depart: Wed Jun 28 2017 Return: Sat Jul 8 2017 Trip spans 11 days
Major Airline
Major Airline
IAD
GLA
12h 30m
1 stop
GLA
IAD
10h 50m
1 stop
Depart: Wed Jul 5 2017 Return: Thu Jul 20 2017 Trip spans 16 days
United
United
DCA
GLA
16h 00m
1 stop
GLA
DCA
14h 33m
1 stop
Depart: Fri May 5 2017 Return: Sun May 14 2017 Trip spans 10 days
American Airlines
American Airlines
DCA
GLA
10h 20m
1 stop
GLA
DCA
13h 40m
1 stop
Depart: Tue May 30 2017 Return: Thu Jun 8 2017 Trip spans 10 days
Delta
Delta
DCA
GLA
13h 15m
1 stop
GLA
DCA
14h 27m
1 stop
Depart: Mon May 1 2017 Return: Thu May 11 2017 Trip spans 11 days
Thomas Cook Airlines
Thomas Cook Airlines
IAD
MAN
18h 55m
1 stop
MAN
IAD
14h 05m
1 stop
Depart: Wed Mar 29 2017 Return: Tue Apr 11 2017 Trip spans 14 days
British Airways
British Airways
IAD
GLA
10h 05m
1 stop
GLA
IAD
13h 10m
1 stop
Depart: Sat Jul 29 2017 Return: Sun Aug 6 2017 Trip spans 9 days
Air Canada
Air Canada
IAD
GLA
18h 40m
1 stop
GLA
IAD
12h 38m
2 stops
Depart: Tue Apr 4 2017 Return: Tue Apr 11 2017 Trip spans 8 days
Virgin Atlantic
Virgin Atlantic
DCA
MAN
24h 20m
1 stop
MAN
DCA
18h 09m
1 stop
Depart: Mon Apr 3 2017 Return: Sun Apr 23 2017 Trip spans 21 days
Icelandair
Icelandair
IAD
LGW
10h 10m
1 stop
LGW
IAD
27h 00m
1 stop
Depart: Thu Apr 20 2017 Return: Mon May 1 2017 Trip spans 12 days
Turkish Airlines
Turkish Airlines
IAD
LGW
36h 00m
1 stop
LGW
IAD
31h 10m
1 stop
Depart: Mon May 15 2017 Return: Mon Jun 12 2017 Trip spans 29 days
Lufthansa
Lufthansa
IAD
SOU
14h 45m
1 stop
SOU
IAD
12h 00m
1 stop
Depart: Wed Mar 15 2017 Return: Tue Mar 28 2017 Trip spans 14 days
Brussels Airlines
Brussels Airlines
IAD
MAN
11h 15m
1 stop
MAN
IAD
11h 45m
1 stop
Depart: Mon May 8 2017 Return: Tue May 23 2017 Trip spans 16 days
KLM
KLM
DCA
LBA
13h 55m
2 stops
LBA
DCA
13h 37m
2 stops
Depart: Tue Apr 4 2017 Return: Tue Apr 11 2017 Trip spans 8 days
Aer Lingus
Aer Lingus
IAD
LCY
11h 55m
1 stop
LCY
IAD
13h 45m
1 stop
Depart: Tue May 9 2017 Return: Tue May 16 2017 Trip spans 8 days
TAP Portugal
TAP Portugal
DCA
LHR
15h 04m
2 stops
LHR
DCA
26h 19m
2 stops
Depart: Tue Feb 28 2017 Return: Wed Mar 15 2017 Trip spans 15 days
Royal Air Maroc
Royal Air Maroc
IAD
LGW
12h 05m
1 stop
LGW
IAD
33h 20m
1 stop
Depart: Sun May 21 2017 Return: Wed May 31 2017 Trip spans 11 days
SAS
SAS
IAD
ABZ
20h 40m
1 stop
ABZ
IAD
24h 30m
1 stop
Depart: Mon May 1 2017 Return: Tue May 9 2017 Trip spans 9 days
Austrian Airlines
Austrian Airlines
IAD
STN
21h 15m
1 stop
STN
IAD
23h 40m
1 stop
Depart: Tue Jul 4 2017 Return: Thu Jul 13 2017 Trip spans 10 days
SWISS
SWISS
IAD
LCY
13h 10m
1 stop
LCY
IAD
12h 25m
1 stop
Depart: Wed Jul 5 2017 Return: Thu Jul 13 2017 Trip spans 9 days
Major Airline
Major Airline
IAD
GLA
9h 05m
1 stop
GLA
IAD
12h 30m
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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Washington
only $436
only $436
Destination

Southampton
$639
Aberdeen
$814
Leeds
$652
London
only $687
only $685
only $531
only $837
Manchester
$475
Glasgow
$436