Find Cheap 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.
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 Washington to London Heathrow

(Round-trip)
Depart: Fri Feb 9 2018 Return: Fri Feb 23 2018 Trip spans 15 days
Icelandair
Icelandair
IAD
LHR
18h 55m
1 stop
LHR
IAD
11h 05m
1 stop
Depart: Fri Feb 9 2018 Return: Sun Feb 18 2018 Trip spans 10 days
Multiple Airlines
Multiple Airlines
IAD
LHR
14h 00m
1 stop
LHR
IAD
12h 00m
1 stop
Depart: Mon Jan 8 2018 Return: Sat Jan 27 2018 Trip spans 20 days
Icelandair
Icelandair
IAD
LHR
10h 35m
1 stop
LHR
IAD
11h 05m
1 stop
Depart: Thu Mar 8 2018 Return: Mon Mar 19 2018 Trip spans 11 days
Multiple Airlines
Multiple Airlines
IAD
LHR
15h 40m
1 stop
LHR
IAD
14h 30m
1 stop
Depart: Sun Jan 14 2018 Return: Mon Jan 22 2018 Trip spans 9 days
Icelandair
Icelandair
IAD
LHR
10h 35m
1 stop
LHR
IAD
11h 05m
1 stop
Depart: Mon Jan 15 2018 Return: Wed Jan 24 2018 Trip spans 10 days
Icelandair
Icelandair
IAD
LHR
10h 35m
1 stop
LHR
IAD
11h 05m
1 stop
Depart: Wed Jan 17 2018 Return: Fri Jan 26 2018 Trip spans 10 days
Icelandair
Icelandair
IAD
LHR
18h 55m
1 stop
LHR
IAD
11h 05m
1 stop
Depart: Fri Mar 9 2018 Return: Sun Mar 18 2018 Trip spans 9 days
Multiple Airlines
Multiple Airlines
IAD
LHR
17h 15m
2 stops
LHR
IAD
27h 50m
2 stops
Depart: Thu Jan 18 2018 Return: Sat Jan 27 2018 Trip spans 10 days
Icelandair
Icelandair
IAD
LHR
18h 55m
1 stop
LHR
IAD
11h 05m
1 stop
Depart: Fri Jan 19 2018 Return: Sat Jan 27 2018 Trip spans 9 days
Icelandair
Icelandair
IAD
LHR
10h 35m
1 stop
LHR
IAD
11h 05m
1 stop
Depart: Fri Jan 19 2018 Return: Sat Jan 27 2018 Trip spans 9 days
Icelandair
Icelandair
IAD
LHR
10h 35m
1 stop
LHR
IAD
11h 05m
1 stop
Depart: Sat Jan 20 2018 Return: Mon Jan 29 2018 Trip spans 10 days
Icelandair
Icelandair
IAD
LHR
18h 55m
1 stop
LHR
IAD
11h 05m
1 stop
Depart: Sun Jan 21 2018 Return: Mon Jan 29 2018 Trip spans 9 days
Icelandair
Icelandair
IAD
LHR
18h 55m
1 stop
LHR
IAD
11h 05m
1 stop
Depart: Mon Jan 22 2018 Return: Wed Jan 31 2018 Trip spans 10 days
Icelandair
Icelandair
IAD
LHR
18h 55m
1 stop
LHR
IAD
11h 05m
1 stop
Depart: Thu Jan 25 2018 Return: Sat Feb 3 2018 Trip spans 10 days
Icelandair
Icelandair
IAD
LHR
18h 55m
1 stop
LHR
IAD
11h 05m
1 stop
Depart: Fri Jan 26 2018 Return: Sun Feb 4 2018 Trip spans 10 days
Icelandair
Icelandair
IAD
LHR
10h 35m
1 stop
LHR
IAD
11h 05m
1 stop
Depart: Sat Jan 27 2018 Return: Mon Feb 5 2018 Trip spans 10 days
Icelandair
Icelandair
IAD
LHR
18h 55m
1 stop
LHR
IAD
11h 05m
1 stop
Depart: Sun Jan 28 2018 Return: Mon Feb 5 2018 Trip spans 9 days
Icelandair
Icelandair
IAD
LHR
18h 55m
1 stop
LHR
IAD
11h 05m
1 stop
Depart: Mon Jan 29 2018 Return: Wed Feb 7 2018 Trip spans 10 days
Icelandair
Icelandair
IAD
LHR
18h 55m
1 stop
LHR
IAD
11h 05m
1 stop
Depart: Wed Jan 31 2018 Return: Wed Feb 7 2018 Trip spans 8 days
Icelandair
Icelandair
IAD
LHR
18h 55m
1 stop
LHR
IAD
11h 05m
1 stop
Direct flights WAS to LHR on American Airlines
Flight # Depart BWI Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
6173 8:20 pm 8:20 am Nov 5 - Nov 22
6173 9:20 pm 8:20 am Oct 28 - Nov 4
6173 9:25 pm 9:35 am Oct 7 - Oct 27
6173 9:40 pm 9:50 am Oct 8 - Oct 26
Flight # Depart IAD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
6167 5:50 pm 5:55 am Nov 9 - Mar 8
6167 6:00 pm 6:20 am Oct 7 - Oct 27
6167 6:00 pm 5:20 am Oct 28 - Oct 28
6167 6:25 pm 6:30 am Nov 5 - Dec 24
6167 6:50 pm 5:55 am Nov 2 - Nov 2
6167 7:25 pm 6:30 am Oct 29 - Nov 4
6192 10:20 pm 10:30 am Oct 7 - Oct 27
6192 10:30 pm 10:40 am Nov 5 - Nov 22
6192 11:30 pm 10:40 am Oct 28 - Nov 4
* 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.

We compile tonnes 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 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
$414
Destination

London
$414
Airlines