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

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 Washington to London Heathrow

(Round-trip)
Depart: Fri Mar 11 2016 Return: Sun Mar 13 2016 Trip spans 3 days
United
United
IAD
LHR
12h 00m
1 stop
LHR
IAD
12h 50m
1 stop
Depart: Sat Apr 16 2016 Return: Sun Apr 17 2016 Trip spans 2 days
Air Canada
Air Canada
DCA
LHR
9h 30m
1 stop
LHR
DCA
13h 09m
1 stop
Depart: Sat Feb 27 2016 Return: Mon Mar 7 2016 Trip spans 10 days
Finnair
Finnair
IAD
LHR
7h 10m
nonstop
LHR
IAD
8h 30m
nonstop
Depart: Thu Feb 25 2016 Return: Thu Mar 3 2016 Trip spans 8 days
Air Canada
Air Canada
IAD
LHR
16h 04m
1 stop
LHR
IAD
13h 25m
1 stop
Depart: Sun May 1 2016 Return: Tue May 10 2016 Trip spans 10 days
American Airlines
American Airlines
IAD
LHR
7h 15m
nonstop
LHR
IAD
8h 00m
nonstop
Depart: Wed Jun 1 2016 Return: Wed Jun 8 2016 Trip spans 8 days
Icelandair
Icelandair
IAD
LHR
25h 00m
1 stop
LHR
IAD
27h 00m
1 stop
Depart: Mon May 30 2016 Return: Thu Jun 9 2016 Trip spans 11 days
Major Airline
Major Airline
IAD
LHR
16h 40m
1 stop
LHR
IAD
26h 00m
1 stop
Depart: Sat Aug 27 2016 Return: Tue Aug 30 2016 Trip spans 4 days
SAS
SAS
IAD
LHR
40h 20m
2 stops
LHR
IAD
34h 10m
1 stop
Depart: Tue Aug 30 2016 Return: Wed Sep 7 2016 Trip spans 9 days
British Airways
British Airways
IAD
LHR
7h 15m
nonstop
LHR
IAD
8h 00m
nonstop
Depart: Tue Apr 5 2016 Return: Mon Apr 11 2016 Trip spans 7 days
British Airways
British Airways
DCA
LHR
12h 05m
nonstop
LHR
DCA
11h 09m
nonstop
Depart: Tue Jun 21 2016 Return: Thu Jun 30 2016 Trip spans 10 days
$1099
Select
Iberia
Iberia
IAD
LHR
7h 20m
nonstop
LHR
IAD
8h 00m
nonstop
Direct flights WAS to LHR on Delta
Flight # Depart IAD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
4383 7:10 pm 7:35 am Mar 2 - Mar 12
4383 7:10 pm 7:35 am Feb 22 - Feb 29
4383 7:10 pm 7:35 am Feb 12 - Feb 20
4383 8:10 pm 7:35 am Mar 13 - Mar 25
4383 9:30 pm 9:55 am Feb 25 - Mar 3
4383 9:30 pm 9:55 am Mar 10 - Mar 10
4383 10:30 pm 9:55 am Mar 17 - Mar 17
* 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.

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Airports
Origin

Washington
only $668
only $709
Destination

London
$668