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Cheap flights from Massachusetts to Belfast from $309

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 3/6. 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.
British Airways Logo
8:30 am - 8:25 amBOS-BHD
19h 55m1 stop
British Airways Logo
11:30 am - 10:55 pmBHD-BOS
15h 25m1 stop
$590British Airways
Find Deal
Fri, Mar 13 - Fri, Mar 20
Multiple Airlines Logo
7:10 pm - 4:50 pmBOS-BHD
16h 40m1 stop
Multiple Airlines Logo
5:20 pm - 1:20 pmBHD-BOS
25h 00m1 stop
$607Multiple Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
Multiple Airlines Logo
8:50 pm - 6:40 pmBOS-BHD
17h 50m2 stops
Multiple Airlines Logo
6:45 am - 6:50 pmBHD-BOS
16h 05m2 stops
$614Multiple Airlines
Find Deal
Sun, Mar 8 - Fri, Mar 13
Multiple Airlines Logo
8:50 pm - 8:10 pmBOS-BFS
19h 20m2 stops
Multiple Airlines Logo
6:30 am - 6:50 pmBFS-BOS
16h 20m2 stops
$614Multiple Airlines
Find Deal
Sun, Mar 8 - Fri, Mar 13
American Airlines Logo
7:39 pm - 2:15 pmBOS-BHD
14h 36m2 stops
American Airlines Logo
8:45 am - 4:55 pmBHD-BOS
12h 10m1 stop
$615American Airlines
Find Deal
Fri, Mar 13 - Fri, Mar 20
American Airlines Logo
7:39 pm - 2:15 pmBOS-BHD
14h 36m2 stops
American Airlines Logo
11:30 am - 10:59 pmBHD-BOS
15h 29m2 stops
$626American Airlines
Find Deal
Fri, Mar 13 - Fri, Mar 20
British Airways Logo
7:30 am - 7:30 amBOS-BHD
19h 00m1 stop
British Airways Logo
7:25 pm - 8:01 pmBHD-BOS
29h 36m2 stops
$650British Airways
Find Deal
Thu, Nov 13 - Mon, Nov 17
Delta Logo
8:45 pm - 4:55 pmBOS-BHD
15h 10m2 stops
Delta Logo
6:30 am - 4:30 pmBHD-BOS
15h 00m1 stop
$716Delta
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Sun, Mar 29 - Wed, Apr 1
Delta Logo
8:45 pm - 4:55 pmBOS-BHD
15h 10m2 stops
Delta Logo
6:30 am - 1:35 pmBHD-BOS
12h 05m1 stop
$741Delta
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Sun, Mar 29 - Wed, Apr 1
KLM Logo
7:05 pm - 4:50 pmBOS-BHD
16h 45m1 stop
KLM Logo
6:30 am - 1:20 pmBHD-BOS
11h 50m1 stop
$2,132KLM
Find Deal
Sat, Dec 20 - Sun, Dec 28

British Airways flights from Massachusetts to Belfast

Our best British Airways deals on Massachusetts to Belfast flight tickets
British Airways
Nov 6
BOS7:30 amBoston Logan Intl
19h 00m
1 stop
BHD7:30 amBelfast City
Nov 8
BHD6:35 amBelfast City
18h 15m
2 stops
BOS7:50 pmBoston Logan Intl
$587
Find similar
British Airways
Nov 6
BOS3:47 pmBoston Logan Intl
13h 33m
2 stops
BHD10:20 amBelfast City
Nov 8
BHD6:35 amBelfast City
18h 15m
2 stops
BOS7:50 pmBoston Logan Intl
$588
Find similar
British Airways
Mar 13
BOS8:30 amBoston Logan Intl
19h 55m
1 stop
BHD8:25 amBelfast City
Mar 20
BHD11:30 amBelfast City
15h 25m
1 stop
BOS10:55 pmBoston Logan Intl
$590
Find similar

American Airlines flights from Massachusetts to Belfast

Our best American Airlines deals on Massachusetts to Belfast flight tickets
American Airlines
Nov 9
BOS7:25 pmBoston Logan Intl
9h 55m
1 stop
BHD10:20 amBelfast City
Nov 25
BHD11:25 amBelfast City
13h 20m
1 stop
BOS7:45 pmBoston Logan Intl
$534
Find similar
American Airlines
Mar 13
BOS7:39 pmBoston Logan Intl
14h 36m
2 stops
BHD2:15 pmBelfast City
Mar 20
BHD8:45 amBelfast City
12h 10m
1 stop
BOS4:55 pmBoston Logan Intl
$615
Find similar
American Airlines
Mar 13
BOS7:39 pmBoston Logan Intl
14h 36m
2 stops
BHD2:15 pmBelfast City
Mar 20
BHD11:30 amBelfast City
15h 29m
2 stops
BOS10:59 pmBoston Logan Intl
$626
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Massachusetts to Belfast 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 November 3, 2025.
Use the filters below to find and compare flights from Massachusetts to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 3/13

8:30 am-8:25 am

1 stop19h 55m

Belfast City

Fri 3/20

11:30 am-10:55 pm

1 stop15h 25m

$590

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 11/13

7:10 pm-4:50 pm

1 stop16h 40m

Belfast City

Mon 11/17

5:20 pm-1:20 pm

1 stop25h 00m

$607

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 3/8

8:50 pm-6:40 pm

2 stops17h 50m

Belfast City

Fri 3/13

6:45 am-6:50 pm

2 stops16h 05m

$614

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 3/8

8:50 pm-8:10 pm

2 stops19h 20m

Belfast Intl

Fri 3/13

6:30 am-6:50 pm

2 stops16h 20m

$614

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 3/13

7:39 pm-2:15 pm

2 stops14h 36m

Belfast City

Fri 3/20

8:45 am-4:55 pm

1 stop12h 10m

$615

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 3/13

7:39 pm-2:15 pm

2 stops14h 36m

Belfast City

Fri 3/20

11:30 am-10:59 pm

2 stops15h 29m

$626

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 11/13

7:30 am-7:30 am

1 stop19h 00m

Belfast City

Mon 11/17

7:25 pm-8:01 pm

2 stops29h 36m

$650

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 3/29

8:45 pm-4:55 pm

2 stops15h 10m

Belfast City

Wed 4/1

6:30 am-4:30 pm

1 stop15h 00m

$716

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 3/29

8:45 pm-4:55 pm

2 stops15h 10m

Belfast City

Wed 4/1

6:30 am-1:35 pm

1 stop12h 05m

$741

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sat 12/20

7:05 pm-4:50 pm

1 stop16h 45m

Belfast City

Sun 12/28

6:30 am-1:20 pm

1 stop11h 50m

$2,132

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

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?

In general, September is the cheapest month to fly from Massachusetts to Belfast. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $617. If you don’t want to visit Belfast in September, then you should wait until August to fly from Massachusetts, when ticket prices are also cheap, with an average price of $645.

What is the cheapest day to depart on your flight to Belfast?

The cheapest day to depart from Massachusetts to Belfast is on a Wednesday when prices can be found for as low as $641. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Massachusetts to Belfast for around $968.

What is the cheapest time of day to depart on your flight to Belfast?

Our data shows that the cheapest Massachusetts to Belfast flights are usually those with departure times in the afternoon. Our users have found flights to Belfast in the afternoon for as low as $636. Try not to purchase tickets in the evening because they tend to be around $685. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Massachusetts to Belfast flight deals and tips

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

Direct flights

None
There are no direct flights from Massachusetts to Belfast. There are no popular flight routes from Massachusetts to Belfast.
Search flight deals

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

    Prices for flights from Massachusetts to Belfast are updated daily.

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

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

    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.

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

    The required travel and health documents for your Belfast 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Massachusetts to Belfast

Compare and see reviews for airlines that fly from Massachusetts to Belfast with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $538Free CancellationRating
6.7
7,494 reviews
Search British Airways flights
American AirlinesPriceFrom $565Free CancellationRating
7.2
11,036 reviews
Search American Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Belfast from Massachusetts.

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

Flights from Massachusetts to Belfast with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Massachusetts and Belfast by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport