Find Deals on Flights from London to Washington (LON - WAS)

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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from London to Washington

(Round-trip)
Depart: Wed May 4 2016 Return: Fri May 6 2016 Trip spans 3 days
Icelandair
Icelandair
LGW
IAD
10h 45m
1 stop
IAD
LGW
10h 10m
1 stop
Depart: Sat May 14 2016 Return: Sun May 15 2016 Trip spans 2 days
United
United
LHR
IAD
11h 05m
1 stop
IAD
LHR
19h 45m
1 stop
Depart: Sat Aug 27 2016 Return: Sun Aug 28 2016 Trip spans 2 days
Delta
Delta
LHR
IAD
21h 58m
1 stop
IAD
LHR
16h 40m
1 stop
Depart: Mon Feb 29 2016 Return: Mon Mar 14 2016 Trip spans 14 days
Aer Lingus
Aer Lingus
LGW
IAD
23h 35m
1 stop
IAD
LGW
13h 50m
1 stop
Depart: Tue Mar 1 2016 Return: Tue Mar 8 2016 Trip spans 8 days
KLM
KLM
LCY
IAD
11h 35m
1 stop
IAD
LCY
14h 35m
1 stop
Depart: Fri Jun 17 2016 Return: Sun Jun 19 2016 Trip spans 3 days
United
United
LHR
DCA
19h 53m
1 stop
DCA
LHR
17h 15m
1 stop
Depart: Fri May 13 2016 Return: Sun May 15 2016 Trip spans 3 days
American Airlines
American Airlines
LHR
DCA
20h 43m
1 stop
DCA
LHR
15h 30m
1 stop
Depart: Thu Aug 25 2016 Return: Mon Sep 12 2016 Trip spans 19 days
WestJet
WestJet
LGW
IAD
38h 17m
2 stops
IAD
LGW
33h 00m
2 stops
Depart: Tue Mar 15 2016 Return: Thu Apr 21 2016 Trip spans 38 days
Air Canada
Air Canada
LHR
DCA
11h 11m
1 stop
DCA
LHR
9h 25m
1 stop
Depart: Wed Feb 24 2016 Return: Thu Mar 10 2016 Trip spans 16 days
SAS
SAS
LHR
IAD
23h 45m
1 stop
IAD
LHR
23h 00m
1 stop
Depart: Thu Feb 25 2016 Return: Thu Mar 10 2016 Trip spans 15 days
Iberia
Iberia
LHR
IAD
8h 30m
nonstop
IAD
LHR
7h 10m
nonstop
Depart: Fri Feb 26 2016 Return: Wed Mar 9 2016 Trip spans 13 days
Iberia
Iberia
LGW
DCA
17h 09m
2 stops
DCA
LGW
15h 18m
2 stops
Depart: Mon May 9 2016 Return: Thu May 26 2016 Trip spans 18 days
Finnair
Finnair
LHR
IAD
8h 00m
nonstop
IAD
LHR
7h 20m
nonstop
Depart: Thu May 12 2016 Return: Thu May 26 2016 Trip spans 15 days
Lufthansa
Lufthansa
LCY
IAD
11h 45m
1 stop
IAD
LCY
10h 45m
1 stop
Depart: Tue May 3 2016 Return: Tue May 17 2016 Trip spans 15 days
American Airlines
American Airlines
LGW
DCA
11h 31m
1 stop
DCA
LGW
11h 10m
1 stop
Depart: Wed Aug 24 2016 Return: Mon Sep 5 2016 Trip spans 13 days
Icelandair
Icelandair
LGW
DCA
14h 25m
2 stops
DCA
LGW
14h 00m
2 stops
Depart: Sat Jul 2 2016 Return: Mon Aug 1 2016 Trip spans 31 days
Icelandair
Icelandair
LHR
IAD
20h 35m
1 stop
IAD
LHR
16h 35m
1 stop
Depart: Tue Jun 21 2016 Return: Thu Jul 7 2016 Trip spans 17 days
$1047
Select
Air Canada
Air Canada
LGW
DCA
15h 21m
1 stop
DCA
LGW
10h 45m
1 stop
Depart: Mon Jul 11 2016 Return: Mon Jul 25 2016 Trip spans 15 days
$1175
Select
Aer Lingus
Aer Lingus
LCY
IAD
13h 45m
1 stop
IAD
LCY
11h 40m
1 stop
Depart: Thu Jul 28 2016 Return: Wed Aug 17 2016 Trip spans 21 days
$1307
Select
Virgin Atlantic
Virgin Atlantic
LHR
IAD
8h 15m
nonstop
IAD
LHR
7h 25m
nonstop
Direct flights LON to WAS on Delta
Flight # Depart LHR Arrive IAD Sun Mon Tue Wed Thu Fri Sat Valid Between
4382 11:00 am 3:35 pm Mar 13 - Mar 23
4382 11:00 am 2:35 pm Mar 10 - Mar 12
4382 11:00 am 3:35 pm Mar 17 - Mar 17
4382 11:00 am 2:35 pm Mar 2 - Mar 9
4382 11:00 am 2:35 pm Feb 11 - Feb 22
4382 11:00 am 2:35 pm Feb 23 - Feb 29
4382 11:00 am 2:35 pm Feb 25 - Mar 3
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We make every attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller
At KAYAK we don’t set prices, so it’s not possible for us to guarantee what other companies are selling.

We aggregate tons of data for you
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 don'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.

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

London
only $570
only $709
only $537
Destination

Washington
only $537
only $727