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Belfast

$196+ Cheap flights from Massachusetts to Belfast

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BHD
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Massachusetts to Belfast

Cheapest flights from Massachusetts to Belfast
Explore the most affordable flight options available from Massachusetts to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/17:15 pm
BOS
-
BHD
1 stop10h 05m
American Airlines
Tue 2/176:35 am
BHD
-
BOS
1 stop14h 40m
American Airlines
Deal found 1/27$556
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/18:55 pm
BOS
-
BHD
2 stops38h 55m
Delta
Tue 2/175:20 pm
BHD
-
BOS
2 stops30h 01m
Delta
Deal found 1/27$583
This Trip.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/18:00 pm
BOS
-
BFS
1 stop19h 30m
Multiple Airlines
Tue 2/178:55 pm
BFS
-
BOS
1 stop24h 05m
Multiple Airlines
Deal found 1/27$600
This oojo deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:07 pm
BOS
-
BHD
2 stops14h 38m
British Airways
Sun 9/2711:00 am
BHD
-
BOS
2 stops16h 50m
British Airways
Deal found 1/28$620
This Trip.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/18:00 pm
BOS
-
BHD
1 stop19h 30m
Multiple Airlines
Tue 2/1712:15 pm
BHD
-
BOS
1 stop32h 45m
Multiple Airlines
Deal found 1/27$637
This KLM deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/297:10 pm
BOS
-
BHD
1 stop16h 40m
KLM
Mon 2/25:20 pm
BHD
-
BOS
1 stop25h 05m
KLM
Deal found 1/28$641
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/293:35 pm
BOS
-
BHD
2 stops13h 45m
American Airlines
Mon 2/26:35 am
BHD
-
BOS
2 stops14h 13m
American Airlines
Deal found 1/28$669
This Booking.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:35 pm
BOS
-
BHD
1 stop11h 25m
British Airways
Sat 8/157:05 pm
BHD
-
BOS
2 stops32h 23m
British Airways
Deal found 1/27$675
This British Airways deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:55 pm
BOS
-
BHD
1 stop10h 25m
British Airways
Thu 3/56:35 am
BHD
-
BOS
1 stop12h 45m
British Airways
Deal found 1/26$682
This Mytrip deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/158:50 pm
BOS
-
BFS
2 stops19h 30m
Multiple Airlines
Sun 3/225:45 am
BFS
-
BOS
3 stops43h 10m
Multiple Airlines
Deal found 1/29$786
This Mytrip deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/511:30 pm
BOS
-
BFS
2 stops17h 50m
Multiple Airlines
Sat 8/154:50 pm
BFS
-
BOS
2 stops32h 55m
Multiple Airlines
Deal found 1/27$939
This Mytrip deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/126:15 am
BOS
-
BFS
3 stops29h 45m
Multiple Airlines
Mon 2/165:45 am
BFS
-
BOS
2 stops17h 50m
Multiple Airlines
Deal found 1/27$992

Find flight deals from Massachusetts to Belfast

Keep the following information in mind while searching for Massachusetts to Belfast flight deals. Data was last updated January 29, 2026.

Round-trip from

$682
(British Airways)

One-way from

$196
(Trip.com)

Popular in

November

Cheapest in

September

Average price

$672
From Massachusetts to Belfast
Search Deals
One-way flight from Massachusetts to Belfast
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($297 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($61 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Massachusetts to Belfast that are best for you.

Fly from

Massachusetts

Fly to

Belfast

Route

Depart

Return

Price

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 3/1

6:55 pm-10:20 am

1 stop10h 25m

Belfast City

Thu 3/5

6:35 am-2:20 pm

1 stop12h 45m

$682

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 5/3

7:30 pm-10:30 am

1 stop10h 00m

Belfast City

Thu 5/7

7:30 pm-5:00 pm

1 stop26h 30m

$693

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 3/15

8:50 pm-8:20 pm

2 stops19h 30m

Belfast Intl

Sun 3/22

5:45 am-8:55 pm

3 stops43h 10m

$786

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 4/19

9:55 pm-1:25 pm

1 stop10h 30m

Belfast City

Sat 4/25

7:05 pm-4:19 pm

2 stops26h 14m

$849

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 6/2

8:50 pm-3:15 pm

2 stops13h 25m

Belfast Intl

Mon 6/15

10:30 am-8:45 pm

1 stop15h 15m

$1,082

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 6/1

5:25 pm-7:05 am

2 stops32h 40m

Belfast Intl

Mon 6/15

10:30 am-8:45 pm

1 stop15h 15m

$1,137

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sat 5/30

6:30 pm-11:55 am

2 stops12h 25m

Belfast Intl

Mon 6/15

10:30 am-8:45 pm

1 stop15h 15m

$1,217

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sat 6/13

5:25 pm-11:25 pm

2 stops25h 00m

Belfast Intl

Sat 6/20

8:30 am-6:50 pm

2 stops15h 20m

$1,228

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 3/13

6:40 pm-2:40 pm

2 stops16h 00m

Belfast Intl

Fri 3/20

2:20 pm-7:05 pm

2 stops32h 45m

$1,414

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 6/16

10:50 pm-3:55 pm

1 stop12h 05m

Belfast Intl

Mon 6/22

9:40 am-9:05 pm

1 stop16h 25m

$1,496

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 23 results
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Best time to book a flight from Massachusetts to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Massachusetts with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Massachusetts to Belfast

What is the cheapest month to book a flight from Massachusetts to Belfast?

Currently, September is the cheapest month in which you can book a flight from Massachusetts to Belfast (average of $534). Flying from Massachusetts to Belfast in December is currently the most expensive (average of $1,015). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Massachusetts to Belfast?

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Massachusetts to Belfast?

    Departing from Massachusetts to Belfast will take you 10h 25m. There are 2981 mi between Massachusetts and Belfast.

  • What are the most popular routes from Massachusetts to Belfast?

    The most popular flight routes from Massachusetts to Belfast are Boston Logan Intl - Belfast Intl, Boston Logan Intl - Belfast City and Hartford Bradley Intl - Belfast City.

  • Can I find deals for flights from Massachusetts to Belfast that include hotel bookings?

    Yes. In addition to deals on Massachusetts to Belfast flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Massachusetts to Belfast?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Massachusetts to Belfast.

  • Can I find deals for business class flights from Massachusetts to Belfast?

    Yes. Cheapflights offers flight deals from Massachusetts to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Massachusetts to Belfast?

    Currently, September is the cheapest month in which you can book a flight from Massachusetts to Belfast (average of $534). Flying from Massachusetts to Belfast in December is currently the most expensive (average of $1,015). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Massachusetts to Belfast

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Massachusetts to Belfast

Discover the top 2 airlines that operate flights from Massachusetts to Belfast. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$538Average$715FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$565Average$694FlexibilityNo cancel feeOn-time71%

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