$614+ Cheap flights from Massachusetts to Belfast Intl (BFS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BFS
Dec 3 — Dec 101
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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
Keep the following information in mind while searching for Massachusetts to Belfast Intl flight deals. Data was last updated November 3, 2025.
Round-trip from | $614 (Trip.com) |
|---|---|
One-way from | $497 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $661 |
Find 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 November 3, 2025.
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 November 3, 2025.
This Mytrip deal was found by Cheapflights users on 11/3. 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.
Tue 12/97:50 pmBOS - BFS
2 stops21h 00mMultiple Airlines
Fri 12/128:05 amBFS - BOS
3 stops35h 30mMultiple Airlines
Deal found 11/3![Multiple Airlines logo]()
$658
This Mytrip deal was found by Cheapflights users on 11/2. 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 11/69:50 pmBOS - BFS
2 stops19h 30mMultiple Airlines
Sat 11/86:00 amBFS - BOS
2 stops17h 35mMultiple Airlines
Deal found 11/2![Multiple Airlines logo]()
$912
This Mytrip deal was found by Cheapflights users on 11/3. 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.
Fri 11/78:40 pmBOS - BFS
2 stops20h 20mMultiple Airlines
Sun 11/911:05 pmBFS - BOS
2 stops19h 20mMultiple Airlines
Deal found 11/3![Multiple Airlines logo]()
$914
This Mytrip deal was found by Cheapflights users on 11/2. 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 11/29:50 pmBOS - BFS
2 stops17h 25mMultiple Airlines
Sun 11/910:45 pmBFS - BOS
3 stops26h 10mMultiple Airlines
Deal found 11/2![Multiple Airlines logo]()
$1,075
This Mytrip deal was found by Cheapflights users on 11/2. 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 11/35:30 amBOS - BFS
3 stops30h 05mMultiple Airlines
Mon 11/108:15 amBFS - BOS
2 stops15h 40mMultiple Airlines
Deal found 11/2![Multiple Airlines logo]()
$1,501
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 November 3, 2025.
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 3/8
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 - BFS
BOSBFS
Boston Logan Intl
Tue 12/9
7:50 pm-9:50 pm
2 stops21h 00m
Belfast Intl
Fri 12/12
8:05 am-2:35 pm
3 stops35h 30m
$658
BostonBelfast
BOS - BFS
BOSBFS
Boston Logan Intl
Fri 5/1
6:05 pm-11:20 pm
3 stops24h 15m
Belfast Intl
Sat 5/9
12:05 pm-8:45 pm
3 stops37h 40m
$821
HartfordBelfast
BDL - BFS
BDLBFS
Hartford Bradley Intl
Thu 3/5
5:40 pm-5:35 pm
2 stops18h 55m
Belfast Intl
Sun 3/8
8:45 pm-5:10 pm
2 stops24h 25m
$1,205
BostonBelfast
BOS - BFS
BOSBFS
Boston Logan Intl
Sat 12/20
10:15 am-10:55 am
2 stops19h 40m
Belfast Intl
Sun 12/28
11:05 pm-1:50 pm
2 stops19h 45m
$1,749
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 $994). 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 Intl Airport?
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 November 3, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$538 | Average$654 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$565 | Average$694 | FlexibilityNo cancel fee | On-time71% |