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Cheap flights from Massachusetts to Belfast from $244

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to Belfast departing on 4/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Massachusetts to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:20 pm - 8:55 pm
BOS
-
BFS
22h 35m
2 stops
Multiple Airlines Logo
9:55 pm - 5:40 pm
BFS
-
BOS
24h 45m
2 stops
$789Multiple Airlines
Mon, Apr 20 - Mon, Apr 27
Multiple Airlines Logo
9:40 pm - 11:50 pm
BOS
-
BFS
21h 10m
2 stops
Multiple Airlines Logo
1:15 pm - 3:10 pm
BFS
-
BOS
30h 55m
2 stops
$796Multiple Airlines
Fri, Apr 3 - Tue, Apr 7
Multiple Airlines Logo
8:50 pm - 11:45 pm
BOS
-
BFS
21h 55m
3 stops
Multiple Airlines Logo
9:25 pm - 2:45 pm
BFS
-
BOS
46h 20m
3 stops
$808Multiple Airlines
Mon, Apr 20 - Mon, Apr 27
Multiple Airlines Logo
10:50 pm - 8:40 am
BOS
-
BFS
28h 50m
1 stop
Multiple Airlines Logo
8:55 am - 9:05 pm
BFS
-
BOS
17h 10m
2 stops
$812Multiple Airlines
Sat, May 2 - Sat, May 9
Multiple Airlines Logo
8:50 pm - 3:35 pm
BOS
-
BFS
13h 45m
2 stops
Multiple Airlines Logo
9:25 pm - 2:45 pm
BFS
-
BOS
46h 20m
3 stops
$816Multiple Airlines
Mon, Apr 20 - Mon, Apr 27
Multiple Airlines Logo
8:10 pm - 3:30 pm
BOS
-
BFS
14h 20m
1 stop
Multiple Airlines Logo
8:55 am - 8:05 pm
BFS
-
BOS
16h 10m
1 stop
$843Multiple Airlines
Thu, Apr 30 - Wed, May 6
Multiple Airlines Logo
9:40 pm - 12:05 am
BOS
-
BFS
21h 25m
2 stops
Multiple Airlines Logo
10:30 am - 8:20 pm
BFS
-
BOS
14h 50m
1 stop
$859Multiple Airlines
Mon, May 4 - Mon, May 11
Multiple Airlines Logo
8:50 pm - 4:20 pm
BOS
-
BFS
14h 30m
2 stops
Multiple Airlines Logo
10:30 am - 6:50 pm
BFS
-
BOS
13h 20m
2 stops
$874Multiple Airlines
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
8:50 pm - 7:50 pm
BOS
-
BFS
18h 00m
3 stops
Multiple Airlines Logo
8:20 am - 6:50 pm
BFS
-
BOS
15h 30m
2 stops
$895Multiple Airlines
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
8:50 pm - 7:50 pm
BOS
-
BFS
18h 00m
3 stops
Multiple Airlines Logo
11:30 pm - 7:10 am
BFS
-
BOS
36h 40m
3 stops
$909Multiple Airlines
Tue, May 5 - Tue, May 12

momondo Fare Finder

 
Customize your flight search to find flights from Massachusetts to Belfast Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 23, 2026.
Use the filters below to find and compare flights from Massachusetts to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 4/20

5:20 pm-8:55 pm

2 stops22h 35m

Belfast Intl

Mon 4/27

9:55 pm-5:40 pm

2 stops24h 45m

$789

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 4/3

9:40 pm-11:50 pm

2 stops21h 10m

Belfast Intl

Tue 4/7

1:15 pm-3:10 pm

2 stops30h 55m

$796

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 4/20

8:50 pm-11:45 pm

3 stops21h 55m

Belfast Intl

Mon 4/27

9:25 pm-2:45 pm

3 stops46h 20m

$808

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sat 5/2

10:50 pm-8:40 am

1 stop28h 50m

Belfast Intl

Sat 5/9

8:55 am-9:05 pm

2 stops17h 10m

$812

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 4/20

8:50 pm-3:35 pm

2 stops13h 45m

Belfast Intl

Mon 4/27

9:25 pm-2:45 pm

3 stops46h 20m

$816

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Thu 4/30

8:10 pm-3:30 pm

1 stop14h 20m

Belfast Intl

Wed 5/6

8:55 am-8:05 pm

1 stop16h 10m

$843

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 5/4

9:40 pm-12:05 am

2 stops21h 25m

Belfast Intl

Mon 5/11

10:30 am-8:20 pm

1 stop14h 50m

$859
Quickest round-trip

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 5/5

8:50 pm-4:20 pm

2 stops14h 30m

Belfast Intl

Tue 5/12

10:30 am-6:50 pm

2 stops13h 20m

$874

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 5/5

8:50 pm-7:50 pm

3 stops18h 00m

Belfast Intl

Tue 5/12

8:20 am-6:50 pm

2 stops15h 30m

$895

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 5/5

8:50 pm-7:50 pm

3 stops18h 00m

Belfast Intl

Tue 5/12

11:30 pm-7:10 am

3 stops36h 40m

$909

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from Massachusetts to Belfast Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Belfast Intl Airport?

The month of February is, on average, the cheapest month to fly to Belfast Intl Airport from Massachusetts, with most prices found around $542. If you’re not able to fly to Belfast Intl Airport in February, then March is your next best option. Flight prices from Massachusetts to Belfast Intl Airport during March average around $598.

Cheap Massachusetts to Belfast Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Massachusetts to Belfast Intl Airport

Fastest flight time

10h 05m

Direct flights

None
The fastest flight from Massachusetts to Belfast Intl Airport takes 10h 05m
There are no direct flights from Massachusetts to Belfast Intl Airport. There are no popular flight routes from Massachusetts to Belfast Intl Airport.
Search flight deals

  • When did momondo last update prices for flights from Massachusetts to Belfast Intl Airport?

    Prices for flights from Massachusetts to Belfast Intl Airport are updated daily.

  • How many operators does momondo search for flights from Massachusetts to Belfast Intl Airport?

  • How old do you have to be to fly from Massachusetts to Belfast Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Belfast Intl Airport.

  • What documentation or ID do you need to fly to Belfast Intl Airport?

    The required travel and health documents for your Belfast Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belfast Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Massachusetts to Belfast Intl Airport

Compare and see reviews for airlines that fly from Massachusetts to Belfast Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $534Free CancellationRating
6.7
7,813 reviews
Search British Airways flights

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Armagh
Cookstown
Ballymena
Newry
Dungannon

Why use momondo?

Why should I use momondo to find a flight deal from Massachusetts to Belfast?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Massachusetts to Belfast. momondo saves you time and could save you money on your trip.

Can I find flights from Massachusetts to Belfast with flexible booking policies on momondo?

All flight searches from Massachusetts to Belfast on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Massachusetts to Belfast?

momondo provides multiple filters to help you find the best flight to Belfast from Massachusetts. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Massachusetts to Belfast right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Massachusetts to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Belfast Intl Airport trip

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