$196+ Cheap flights from Massachusetts to Belfast Intl (BFS)
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 — BFS
Feb 28 — Mar 71
1 adult, Economy
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Massachusetts to Belfast Intl
Cheapest flights from Massachusetts to Belfast IntlExplore the most affordable flight options available from Massachusetts to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
Explore the most affordable flight options available from Massachusetts to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
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![Multiple Airlines logo]()
$600
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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$992
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:50 pm
BOS
- BFS
2 stops17h 40m
Multiple Airlines
Mon 6/1510:30 am
BFS
- BOS
1 stop15h 15m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$1,078
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:50 pm
BOS
- BFS
2 stops13h 25m
Multiple Airlines
Mon 6/1510:30 am
BFS
- BOS
1 stop15h 15m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$1,082
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:25 pm
BOS
- BFS
2 stops32h 40m
Multiple Airlines
Mon 6/1510:30 am
BFS
- BOS
1 stop15h 15m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$1,137
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:25 pm
BOS
- BFS
2 stops23h 55m
Multiple Airlines
Mon 6/1510:30 am
BFS
- BOS
1 stop15h 15m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$1,138
Find flight deals from Massachusetts to Belfast Intl
Keep the following information in mind while searching for Massachusetts to Belfast Intl flight deals. Data was last updated January 29, 2026.
Round-trip from | $786 (Mytrip) |
|---|---|
One-way from | $196 (Trip.com) |
Popular in | November |
Cheapest in | September |
Average price | $672 |
Cheapflights Fare Finder
Customize your flight search to find flights from Massachusetts to Belfast Intl 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 Intl Airport that are best for you.
Fly from
Massachusetts
Fly to
Belfast Intl
Route
Depart
Return
Price
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 - 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
BostonBelfast
BOS - BFS
BOSBFS
Boston Logan Intl
Sun 5/31
9:55 pm-3:20 pm
1 stop12h 25m
Belfast Intl
Tue 6/16
6:15 am-8:05 pm
2 stops18h 50m
$1,649
BostonBelfast
BOS - BFS
BOSBFS
Boston Logan Intl
Thu 6/11
6:05 pm-3:30 pm
2 stops16h 25m
Belfast Intl
Wed 6/17
8:15 am-3:17 pm
1 stop12h 02m
$1,735
BostonBelfast
BOS - BFS
BOSBFS
Boston Logan Intl
Thu 6/11
6:05 pm-7:30 pm
2 stops20h 25m
Belfast Intl
Mon 6/22
8:15 am-3:17 pm
1 stop12h 02m
$1,805
Showing 1-10 of 12 results
Best time to book a flight from Massachusetts to Belfast Intl
Have a flexible travel schedule? Discover the best time to fly to Belfast Intl 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 Intl Airport
What is the cheapest month to book a flight from Massachusetts to Belfast Intl Airport?
Currently, September is the cheapest month in which you can book a flight from Massachusetts to Belfast Intl Airport (average of $534). Flying from Massachusetts to Belfast Intl Airport 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 Intl. 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 Intl
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from Massachusetts to Belfast Intl
Discover the top 2 airlines that operate flights from Massachusetts to Belfast Intl. 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.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$538 | Average$638 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$565 | Average$694 | FlexibilityNo cancel fee | On-time71% |