Find Cheap 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: Sat Oct 21 2017 Return: Sat Oct 28 2017 Trip spans 8 days
Thomas Cook Airlines
Thomas Cook Airlines
DCA
MAN
10h 11m
1 stop
MAN
DCA
12h 00m
1 stop
Depart: Mon Oct 2 2017 Return: Wed Oct 11 2017 Trip spans 10 days
Icelandair
Icelandair
IAD
LGW
10h 10m
1 stop
LGW
IAD
11h 15m
1 stop
Depart: Tue Sep 26 2017 Return: Tue Oct 10 2017 Trip spans 15 days
Major Airline
Major Airline
IAD
LHR
16h 50m
1 stop
LHR
IAD
12h 05m
1 stop
Depart: Mon Aug 21 2017 Return: Mon Aug 28 2017 Trip spans 8 days
Virgin Atlantic
Virgin Atlantic
IAD
LHR
7h 25m
nonstop
LHR
IAD
8h 20m
nonstop
Depart: Fri Oct 27 2017 Return: Mon Oct 30 2017 Trip spans 4 days
British Airways
British Airways
DCA
LHR
42h 36m
2 stops
LHR
DCA
54h 42m
2 stops
Depart: Tue Jul 11 2017 Return: Wed Sep 6 2017 Trip spans 58 days
Turkish Airlines
Turkish Airlines
IAD
LGW
36h 00m
1 stop
LGW
IAD
37h 55m
1 stop
Depart: Tue May 16 2017 Return: Fri May 19 2017 Trip spans 4 days
Royal Air Maroc
Royal Air Maroc
IAD
LHR
13h 50m
1 stop
LHR
IAD
31h 05m
1 stop
Depart: Wed Sep 27 2017 Return: Wed Oct 11 2017 Trip spans 15 days
American Airlines
American Airlines
DCA
BHD
15h 30m
2 stops
BHD
DCA
16h 02m
2 stops
Depart: Sat Aug 12 2017 Return: Fri Aug 25 2017 Trip spans 14 days
Air France
Air France
IAD
ABZ
11h 20m
1 stop
ABZ
IAD
17h 45m
1 stop
Depart: Tue Aug 29 2017 Return: Thu Sep 7 2017 Trip spans 10 days
Aer Lingus
Aer Lingus
IAD
GLA
9h 40m
1 stop
GLA
IAD
12h 25m
1 stop
Depart: Sun May 28 2017 Return: Sun Jun 11 2017 Trip spans 15 days
KLM
KLM
IAD
LBA
18h 10m
1 stop
LBA
IAD
14h 15m
1 stop
Depart: Wed Jul 5 2017 Return: Wed Jul 19 2017 Trip spans 15 days
Delta
Delta
DCA
GLA
15h 30m
1 stop
GLA
DCA
14h 49m
1 stop
Depart: Sun Aug 20 2017 Return: Fri Sep 8 2017 Trip spans 20 days
Iberia
Iberia
DCA
LGW
24h 41m
2 stops
LGW
DCA
16h 36m
2 stops
Depart: Fri Sep 8 2017 Return: Sun Sep 17 2017 Trip spans 10 days
United
United
DCA
BHX
17h 40m
1 stop
BHX
DCA
17h 04m
1 stop
Depart: Mon May 29 2017 Return: Tue Jun 6 2017 Trip spans 9 days
Lufthansa
Lufthansa
IAD
SOU
19h 45m
1 stop
SOU
IAD
15h 35m
1 stop
Depart: Tue Aug 29 2017 Return: Thu Sep 7 2017 Trip spans 10 days
Air Canada
Air Canada
DCA
GLA
29h 25m
2 stops
GLA
DCA
14h 34m
1 stop
Depart: Sat Jun 3 2017 Return: Sat Jun 10 2017 Trip spans 8 days
Austrian Airlines
Austrian Airlines
IAD
LHR
7h 25m
nonstop
LHR
IAD
8h 05m
nonstop
Depart: Sun Aug 20 2017 Return: Fri Sep 8 2017 Trip spans 20 days
Alitalia
Alitalia
IAD
LCY
30h 25m
2 stops
LCY
IAD
14h 45m
2 stops
Depart: Fri May 26 2017 Return: Mon Jun 5 2017 Trip spans 11 days
SWISS
SWISS
IAD
LCY
10h 45m
1 stop
LCY
IAD
12h 30m
1 stop
Depart: Wed Sep 6 2017 Return: Wed Sep 13 2017 Trip spans 8 days
SAS
SAS
DCA
NCL
39h 05m
2 stops
NCL
DCA
49h 28m
2 stops
* 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 $566
only $534
Destination

Belfast
$692
Southampton
$762
Aberdeen
$705
Leeds
$706
London
only $571
only $845
only $566
Manchester
$534
Newcastle upon Tyne
$928
Glasgow
$705
Birmingham
$758