Find Cheap Flights from Washington to Belfast

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 Belfast

(Round-trip)
Depart: Sun Nov 12 2017 Return: Tue Nov 21 2017 Trip spans 10 days
Virgin Atlantic
Virgin Atlantic
DCA
12:45p
BFS
2:50a
38h 05m
2 stops
BFS
3:25p
DCA
7:35p
28h 10m
2 stops
Depart: Sun Oct 22 2017 Return: Tue Oct 31 2017 Trip spans 10 days
Iberia
Iberia
IAD
6:20p
BFS
5:20a
11h 00m
1 stop
BFS
4:35a
IAD
9:30p
16h 55m
1 stop
Depart: Sun Oct 29 2017 Return: Tue Nov 7 2017 Trip spans 10 days
British Airways
British Airways
IAD
7:30p
BFS
6:15a
10h 45m
1 stop
BFS
3:35a
IAD
2:50p
11h 15m
1 stop
Depart: Wed Nov 1 2017 Return: Fri Nov 10 2017 Trip spans 10 days
United
United
IAD
3:35p
BFS
4:25a
12h 50m
1 stop
BFS
8:05a
IAD
11:15a
27h 10m
1 stop
Depart: Thu Oct 26 2017 Return: Sat Nov 4 2017 Trip spans 10 days
American Airlines
American Airlines
IAD
6:20p
BFS
5:35a
11h 15m
1 stop
BFS
5:05a
IAD
9:51p
16h 46m
2 stops
Depart: Fri Nov 3 2017 Return: Sun Nov 12 2017 Trip spans 10 days
Air Canada
Air Canada
IAD
11:40a
BFS
4:25a
16h 45m
2 stops
BFS
8:05a
IAD
9:15a
25h 10m
2 stops
Depart: Thu Oct 12 2017 Return: Thu Oct 19 2017 Trip spans 8 days
Air France
Air France
IAD
2:10p
BFS
3:50a
13h 40m
2 stops
BFS
3:00a
IAD
4:35p
13h 35m
2 stops
Depart: Sat Oct 21 2017 Return: Thu Oct 26 2017 Trip spans 6 days
Icelandair
Icelandair
IAD
4:35p
BFS
2:40a
10h 05m
1 stop
BFS
9:40a
IAD
8:10p
10h 30m
1 stop
Depart: Fri Oct 13 2017 Return: Sat Oct 21 2017 Trip spans 9 days
Virgin Atlantic
Virgin Atlantic
DCA
7:15a
BFS
3:25a
20h 10m
2 stops
BFS
6:00a
DCA
11:33p
41h 33m
2 stops
Depart: Mon Oct 23 2017 Return: Wed Nov 1 2017 Trip spans 10 days
Iberia
Iberia
IAD
2:00p
BFS
3:50a
13h 50m
1 stop
BFS
4:35a
IAD
3:50p
11h 15m
1 stop
Depart: Mon Oct 30 2017 Return: Wed Nov 8 2017 Trip spans 10 days
British Airways
British Airways
IAD
7:30p
BFS
6:15a
10h 45m
1 stop
BFS
3:35a
IAD
2:50p
11h 15m
1 stop
Depart: Thu Nov 2 2017 Return: Sat Nov 11 2017 Trip spans 10 days
United
United
IAD
3:35p
BFS
4:25a
12h 50m
1 stop
BFS
3:50a
IAD
7:50p
16h 00m
1 stop
Depart: Fri Oct 27 2017 Return: Sun Nov 5 2017 Trip spans 10 days
American Airlines
American Airlines
IAD
11:25a
BFS
3:50a
16h 25m
2 stops
BFS
4:30a
IAD
9:24p
16h 54m
2 stops
Depart: Tue Oct 24 2017 Return: Thu Nov 2 2017 Trip spans 10 days
Iberia
Iberia
IAD
2:00p
BFS
3:50a
13h 50m
1 stop
BFS
4:35a
IAD
3:55p
11h 20m
1 stop
Depart: Tue Oct 31 2017 Return: Thu Nov 9 2017 Trip spans 10 days
British Airways
British Airways
IAD
7:30p
BFS
6:15a
10h 45m
1 stop
BFS
2:10a
IAD
2:55p
12h 45m
1 stop
Depart: Tue Oct 17 2017 Return: Thu Oct 26 2017 Trip spans 10 days
Virgin Atlantic
Virgin Atlantic
IAD
12:15p
BFS
11:25a
23h 10m
2 stops
BFS
2:40a
IAD
4:25p
37h 45m
2 stops
Depart: Fri Sep 29 2017 Return: Fri Oct 6 2017 Trip spans 8 days
Air Canada
Air Canada
DCA
3:00a
BFS
7:35a
28h 35m
2 stops
BFS
9:15a
DCA
11:31a
26h 16m
2 stops
Depart: Fri Oct 20 2017 Return: Sun Oct 29 2017 Trip spans 10 days
United
United
IAD
2:20p
BFS
3:30a
13h 10m
1 stop
BFS
9:05a
IAD
8:50p
11h 45m
1 stop
Depart: Wed Oct 25 2017 Return: Fri Nov 3 2017 Trip spans 10 days
Iberia
Iberia
IAD
2:00p
BFS
3:50a
13h 50m
1 stop
BFS
4:35a
IAD
9:30p
16h 55m
1 stop
Depart: Sun Oct 1 2017 Return: Tue Oct 10 2017 Trip spans 10 days
Air Canada
Air Canada
IAD
11:40a
BFS
3:30a
15h 50m
2 stops
BFS
4:45a
IAD
10:54p
18h 09m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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.

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Airports
Origin

Washington
only $523
only $476
Destination

Belfast
$476