Find Cheap Flights from Washington Dulles Intl to London Stansted (IAD - STN)

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 Dulles Intl to London Stansted

(Round-trip)
Depart: Wed Aug 9 2017 Return: Thu Sep 7 2017 Trip spans 30 days
Lufthansa
Lufthansa
IAD
6:30p
STN
10:30a
16h 00m
1 stop
STN
4:30p
IAD
4:40p
24h 10m
1 stop
Depart: Tue Sep 12 2017 Return: Tue Sep 19 2017 Trip spans 8 days
Austrian Airlines
Austrian Airlines
IAD
1:05p
STN
10:20a
21h 15m
1 stop
STN
4:00p
IAD
3:40p
23h 40m
1 stop
Depart: Thu Aug 10 2017 Return: Sun Aug 27 2017 Trip spans 18 days
Lufthansa
Lufthansa
IAD
6:30p
STN
10:30a
16h 00m
1 stop
STN
3:20p
IAD
4:25p
25h 05m
1 stop
Depart: Wed Sep 13 2017 Return: Mon Sep 25 2017 Trip spans 13 days
Austrian Airlines
Austrian Airlines
IAD
1:05p
STN
10:20a
21h 15m
1 stop
STN
4:00p
IAD
3:40p
23h 40m
1 stop
Depart: Mon Aug 14 2017 Return: Tue Aug 29 2017 Trip spans 16 days
Lufthansa
Lufthansa
IAD
1:30p
STN
10:30a
21h 00m
1 stop
STN
4:10p
IAD
4:25p
24h 15m
1 stop
Depart: Wed Sep 20 2017 Return: Tue Sep 26 2017 Trip spans 7 days
Austrian Airlines
Austrian Airlines
IAD
1:05p
STN
10:20a
21h 15m
1 stop
STN
4:00p
IAD
3:40p
23h 40m
1 stop
Depart: Wed Aug 16 2017 Return: Wed Aug 30 2017 Trip spans 15 days
Lufthansa
Lufthansa
IAD
6:30p
STN
10:30a
16h 00m
1 stop
STN
4:30p
IAD
4:25p
23h 55m
1 stop
Depart: Wed Sep 27 2017 Return: Tue Oct 3 2017 Trip spans 7 days
Austrian Airlines
Austrian Airlines
IAD
1:05p
STN
10:20a
21h 15m
1 stop
STN
4:00p
IAD
3:40p
23h 40m
1 stop
Depart: Thu Aug 17 2017 Return: Sun Aug 27 2017 Trip spans 11 days
Lufthansa
Lufthansa
IAD
6:30p
STN
10:30a
16h 00m
1 stop
STN
3:20p
IAD
4:25p
25h 05m
1 stop
Depart: Wed Oct 25 2017 Return: Wed Dec 13 2017 Trip spans 50 days
Austrian Airlines
Austrian Airlines
IAD
1:05p
STN
10:20a
21h 15m
1 stop
STN
3:00p
IAD
2:55p
23h 55m
1 stop
Depart: Mon Aug 21 2017 Return: Sun Aug 27 2017 Trip spans 7 days
Lufthansa
Lufthansa
IAD
6:30p
STN
10:30a
16h 00m
1 stop
STN
3:20p
IAD
4:25p
25h 05m
1 stop
Depart: Thu Nov 2 2017 Return: Tue Nov 7 2017 Trip spans 6 days
Austrian Airlines
Austrian Airlines
IAD
3:00p
STN
11:15a
20h 15m
1 stop
STN
3:00p
IAD
2:55p
23h 55m
1 stop
Depart: Tue Aug 22 2017 Return: Tue Aug 29 2017 Trip spans 8 days
Lufthansa
Lufthansa
IAD
6:30p
STN
10:30a
16h 00m
1 stop
STN
4:10p
IAD
4:25p
24h 15m
1 stop
Depart: Mon Nov 6 2017 Return: Sun Nov 12 2017 Trip spans 7 days
Austrian Airlines
Austrian Airlines
IAD
1:00p
STN
9:15a
20h 15m
1 stop
STN
3:00p
IAD
2:55p
23h 55m
1 stop
Depart: Sat Oct 14 2017 Return: Fri Oct 20 2017 Trip spans 7 days
Lufthansa
Lufthansa
IAD
6:30p
STN
9:40a
15h 10m
1 stop
STN
4:10p
IAD
8:00p
27h 50m
1 stop
Depart: Wed Nov 8 2017 Return: Sun Nov 26 2017 Trip spans 19 days
Austrian Airlines
Austrian Airlines
IAD
1:00p
STN
9:15a
20h 15m
1 stop
STN
3:00p
IAD
2:55p
23h 55m
1 stop
Depart: Mon Oct 9 2017 Return: Mon Nov 20 2017 Trip spans 43 days
Lufthansa
Lufthansa
IAD
1:30p
STN
10:30a
21h 00m
1 stop
STN
2:30p
IAD
3:35p
25h 05m
1 stop
Depart: Wed Nov 15 2017 Return: Sun Nov 26 2017 Trip spans 12 days
Austrian Airlines
Austrian Airlines
IAD
1:00p
STN
9:15a
20h 15m
1 stop
STN
3:00p
IAD
2:55p
23h 55m
1 stop
Depart: Thu Nov 16 2017 Return: Sun Nov 26 2017 Trip spans 11 days
Austrian Airlines
Austrian Airlines
IAD
1:00p
STN
9:15a
20h 15m
1 stop
STN
3:00p
IAD
2:55p
23h 55m
1 stop
Depart: Wed Aug 2 2017 Return: Wed Sep 20 2017 Trip spans 50 days
Lufthansa
Lufthansa
IAD
1:30p
STN
10:30a
21h 00m
1 stop
STN
3:50a
IAD
8:00p
16h 10m
2 stops
* 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
$831
Destination

London
$831