Find Cheap Flights to Belfast Intl Arpt

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 Boston Logan International to Belfast Intl Arpt

(Round-trip)
Depart: Sun Sep 10 2017 Return: Sat Sep 23 2017 Trip spans 14 days
Air Canada
Air Canada
BOS
12:00a
BFS
2:20p
14h 20m
2 stops
BFS
12:00a
BOS
5:31p
17h 31m
2 stops
Depart: Wed Oct 4 2017 Return: Thu Oct 12 2017 Trip spans 9 days
British Airways
British Airways
BOS
12:00a
BFS
12:30p
12h 30m
1 stop
BFS
12:00a
BOS
12:10p
12h 10m
1 stop
Depart: Mon Sep 25 2017 Return: Sat Oct 7 2017 Trip spans 13 days
Multiple Airlines
Multiple Airlines
BOS
12:00a
BFS
1:30p
13h 30m
2 stops
BFS
12:00a
BOS
2:02p
14h 02m
2 stops
Depart: Sat Oct 21 2017 Return: Wed Nov 1 2017 Trip spans 12 days
United
United
BOS
12:00a
BFS
4:06p
16h 06m
2 stops
BFS
12:00a
BOS
3:39p
15h 39m
2 stops
Depart: Sat Oct 21 2017 Return: Mon Oct 30 2017 Trip spans 10 days
Air France
Air France
BOS
12:00a
BFS
2:31p
14h 31m
2 stops
BFS
12:00a
BOS
12:21a
24h 21m
2 stops
Depart: Fri Oct 27 2017 Return: Sun Oct 29 2017 Trip spans 3 days
American Airlines
American Airlines
BOS
12:00a
BFS
9:10a
9h 10m
1 stop
BFS
12:00a
BOS
7:20p
19h 20m
1 stop
Depart: Sat Oct 21 2017 Return: Wed Nov 1 2017 Trip spans 12 days
Delta
Delta
BOS
12:00a
BFS
3:06p
15h 06m
2 stops
BFS
12:00a
BOS
10:58p
22h 58m
2 stops
Depart: Wed Aug 23 2017 Return: Tue Aug 29 2017 Trip spans 7 days
$1009
Select
Icelandair
Icelandair
BOS
12:00a
BFS
4:05p
16h 05m
1 stop
BFS
12:00a
BOS
9:55a
9h 55m
1 stop
Depart: Thu Sep 14 2017 Return: Thu Sep 28 2017 Trip spans 15 days
Air Canada
Air Canada
BOS
12:00a
BFS
9:00p
21h 00m
2 stops
BFS
12:00a
BOS
5:31p
17h 31m
2 stops
Depart: Mon Sep 25 2017 Return: Sun Oct 1 2017 Trip spans 7 days
Multiple Airlines
Multiple Airlines
BOS
12:00a
BFS
1:30p
13h 30m
2 stops
BFS
12:00a
BOS
2:02p
14h 02m
2 stops
Depart: Sun Oct 22 2017 Return: Wed Nov 1 2017 Trip spans 11 days
United
United
BOS
12:00a
BFS
7:24p
19h 24m
2 stops
BFS
12:00a
BOS
4:32p
16h 32m
2 stops
Depart: Tue Oct 24 2017 Return: Mon Oct 30 2017 Trip spans 7 days
Air France
Air France
BOS
12:00a
BFS
12:41p
12h 41m
2 stops
BFS
12:00a
BOS
12:21a
24h 21m
2 stops
Depart: Thu Oct 19 2017 Return: Sun Oct 29 2017 Trip spans 11 days
British Airways
British Airways
BOS
12:00a
BFS
9:10a
9h 10m
1 stop
BFS
12:00a
BOS
11:15a
11h 15m
1 stop
Depart: Mon Sep 25 2017 Return: Sat Oct 7 2017 Trip spans 13 days
Air Canada
Air Canada
BOS
12:00a
BFS
1:30p
13h 30m
2 stops
BFS
12:00a
BOS
9:12a
33h 12m
2 stops
Depart: Fri Oct 27 2017 Return: Wed Nov 1 2017 Trip spans 6 days
American Airlines
American Airlines
BOS
12:00a
BFS
9:10a
9h 10m
1 stop
BFS
12:00a
BOS
2:25p
14h 25m
1 stop
Depart: Mon Oct 23 2017 Return: Wed Nov 1 2017 Trip spans 10 days
United
United
BOS
12:00a
BFS
3:20p
15h 20m
2 stops
BFS
12:00a
BOS
6:09p
18h 09m
2 stops
Depart: Sun Oct 22 2017 Return: Mon Oct 30 2017 Trip spans 9 days
Air France
Air France
BOS
12:00a
BFS
3:00p
15h 00m
2 stops
BFS
12:00a
BOS
12:21a
24h 21m
2 stops
Depart: Mon Sep 25 2017 Return: Sun Oct 1 2017 Trip spans 7 days
Air Canada
Air Canada
BOS
12:00a
BFS
2:20p
14h 20m
2 stops
BFS
12:00a
BOS
9:32a
33h 32m
2 stops
Depart: Tue Oct 24 2017 Return: Wed Nov 1 2017 Trip spans 9 days
United
United
BOS
12:00a
BFS
3:20p
15h 20m
2 stops
BFS
12:00a
BOS
2:25p
14h 25m
2 stops
Depart: Wed Oct 25 2017 Return: Mon Oct 30 2017 Trip spans 6 days
Air France
Air France
BOS
12:00a
BFS
3:00p
15h 00m
2 stops
BFS
12:00a
BOS
12:21a
24h 21m
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

Boston
$614
Destination

Belfast
$614