$223+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BHD
Jan 17 — Jan 241
1 adult, Economy
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Cheapest flights from Massachusetts to BelfastExplore 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 December 18, 2025.
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 December 18, 2025.
This FlightHub deal was found by Cheapflights users on 12/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:14 amBOS - BHD
2 stops22h 51mBritish Airways
Mon 12/296:35 amBHD - BOS
1 stop12h 45mBritish Airways
Deal found 12/16![British Airways logo]()
$1,684
This KLM deal was found by Cheapflights users on 12/16. 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.
Mon 12/228:50 pmBOS - BHD
1 stop19h 10mKLM
Mon 12/296:30 amBHD - BOS
1 stop11h 50mKLM
Deal found 12/16![KLM logo]()
$1,764
This Mytrip deal was found by Cheapflights users on 12/16. 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.
Mon 12/225:45 amBOS - BHD
3 stops33h 45mMultiple Airlines
Mon 12/292:15 pmBHD - BOS
2 stops35h 05mMultiple Airlines
Deal found 12/16![Multiple Airlines logo]()
$2,185
This FlightHub deal was found by Cheapflights users on 12/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/233:48 pmBOS - BHD
2 stops19h 57mBritish Airways
Sat 1/36:35 amBHD - BOS
2 stops20h 23mBritish Airways
Deal found 12/17![British Airways logo]()
$2,478
This Delta deal was found by Cheapflights users on 12/16. 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.
Tue 12/235:00 pmBOS - BHD
2 stops18h 50mDelta
Sat 1/36:30 amBHD - BOS
2 stops19h 38mDelta
Deal found 12/16![Delta logo]()
$3,113
This Ovago deal was found by Cheapflights users on 12/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:15 pmBOS - BHD
1 stop14h 35mMultiple Airlines
Sat 1/311:35 amBHD - BOS
1 stop13h 10mMultiple Airlines
Deal found 12/17![Multiple Airlines logo]()
$3,366
This Ovago deal was found by Cheapflights users on 12/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:15 pmBOS - BHD
1 stop11h 15mFinnair
Sat 1/311:35 amBHD - BOS
1 stop15h 20mFinnair
Deal found 12/16![Finnair logo]()
$3,399
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 December 18, 2025.
Round-trip from | $548 (Flysmarter) |
|---|---|
One-way from | $223 (Cheapflightsfares) |
Popular in | November |
Cheapest in | September |
Average price | $1,221 |
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 December 18, 2025.
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 1/11
7:15 pm-10:20 am
1 stop10h 05m
Belfast City
Tue 1/27
6:35 am-4:15 pm
1 stop14h 40m
$548
BostonBelfast
BOS - BFS
BOSBFS
Boston Logan Intl
Sun 1/11
7:50 pm-6:15 pm
2 stops17h 25m
Belfast Intl
Tue 1/27
6:30 am-5:50 pm
2 stops16h 20m
$569
BostonBelfast
BOS - BHD
BOSBHD
Boston Logan Intl
Fri 1/23
3:35 pm-10:30 am
2 stops13h 55m
Belfast City
Fri 1/30
8:45 am-7:45 pm
1 stop16h 00m
$596
BostonBelfast
BOS - BHD
BOSBHD
Boston Logan Intl
Thu 1/29
7:30 am-10:20 am
1 stop21h 50m
Belfast City
Mon 2/2
5:45 pm-2:20 pm
1 stop25h 35m
$600
BostonBelfast
BOS - BHD
BOSBHD
Boston Logan Intl
Sun 1/11
7:50 pm-8:50 pm
2 stops20h 00m
Belfast City
Tue 1/27
7:00 am-5:50 pm
2 stops15h 50m
$654
BostonBelfast
BOS - BHD
BOSBHD
Boston Logan Intl
Fri 5/1
3:34 pm-6:15 pm
2 stops21h 41m
Belfast City
Mon 5/4
9:50 am-8:05 pm
1 stop15h 15m
$683
BostonBelfast
BOS - BFS
BOSBFS
Boston Logan Intl
Sat 1/31
9:15 pm-9:40 pm
2 stops19h 25m
Belfast Intl
Sat 2/7
7:20 am-6:59 pm
2 stops16h 39m
$735
BostonBelfast
BOS - BHD
BOSBHD
Boston Logan Intl
Sun 4/19
9:55 pm-2:40 pm
1 stop11h 45m
Belfast City
Sat 4/25
7:00 pm-5:41 pm
2 stops27h 41m
$757
BostonBelfast
BOS - BHD
BOSBHD
Boston Logan Intl
Wed 4/8
9:50 pm-1:30 pm
1 stop10h 40m
$223
BostonBelfast
BOS - BFS
BOSBFS
Boston Logan Intl
Sat 1/31
10:25 pm-6:25 pm
3 stops39h 00m
$280
Showing 1-10 of 19 results
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.
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.
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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.
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 December 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$542 | Average$706 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$565 | Average$694 | FlexibilityNo cancel fee | On-time71% |