In terms of precipitation, rainfall in Belfast Intl Airport ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast Intl Airport when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Belfast Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What is the cheapest time of day to fly from MA to BFS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Massachusetts to Belfast Intl Airport as you normally would.

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

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

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

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

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

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

£335+ Flights from Massachusetts to Belfast Intl Airport

Cheap flight deals from Massachusetts to Belfast Intl

Round-trip from	£414
One-way from	£335
Popular in	December
Cheapest in	September
Average price	£457

20/11-26/11
4 total stops
36h 10m total
Massachusetts to Belfast

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22/12
2 total stops
33h 30m total
Massachusetts to Belfast

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Highest demand for flights based on searches. 12% potential increase in price (£56 potential increase over avg. return price).

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Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).

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Average for round-trip flights in September 2025

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Find flight deals from Massachusetts to Belfast Intl

Cheapest flights from Massachusetts to Belfast Intl
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 17 September 2025.

Thu 20/1119:50BOS - BFS

2 stops19h 50mMultiple Airlines

Wed 26/1106:30BFS - BOS

2 stops16h 20mMultiple Airlines

Deal found 14/9£414

Wed 29/1022:20BOS - BFS

2 stops13h 55mMultiple Airlines

Wed 5/1112:20BFS - BOS

3 stops31h 15mMultiple Airlines

Deal found 14/9£437

Fri 31/1022:20BOS - BFS

2 stops19h 40mMultiple Airlines

Fri 7/1108:05BFS - BOS

2 stops15h 50mMultiple Airlines

Deal found 16/9£452

Wed 8/1021:25BOS - BFS

2 stops16h 10mMultiple Airlines

Sun 12/1007:45BFS - BOS

2 stops16h 00mMultiple Airlines

Deal found 13/9£568

Wed 17/912:35BOS - BFS

2 stops28h 50mMultiple Airlines

Fri 19/921:05BFS - BOS

3 stops30h 42mMultiple Airlines

Deal found 13/9£705

Best flights from Massachusetts to Belfast Intl
Discover carefully curated flight deals from Massachusetts to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

Thu 20/1119:50BOS - BFS

2 stops19h 50mMultiple Airlines

Wed 26/1106:30BFS - BOS

2 stops16h 20mMultiple Airlines

Deal found 14/9£414

Wed 29/1022:20BOS - BFS

2 stops13h 55mMultiple Airlines

Wed 5/1112:20BFS - BOS

3 stops31h 15mMultiple Airlines

Deal found 14/9£437

Fri 31/1022:20BOS - BFS

2 stops19h 40mMultiple Airlines

Fri 7/1108:05BFS - BOS

2 stops15h 50mMultiple Airlines

Deal found 16/9£452

Wed 8/1021:25BOS - BFS

2 stops16h 10mMultiple Airlines

Sun 12/1007:45BFS - BOS

2 stops16h 00mMultiple Airlines

Deal found 13/9£568

Last-minute flights from Massachusetts to Belfast Intl
Discover last-minute flight deals from Massachusetts to Belfast Intl. Data last updated 17 September 2025 and is based on user searches.

Wed 17/912:35BOS - BFS

2 stops28h 50mMultiple Airlines

Fri 19/921:05BFS - BOS

3 stops30h 42mMultiple Airlines

Deal found 13/9£705

Wed 8/1021:25BOS - BFS

2 stops16h 10mMultiple Airlines

Sun 12/1007:45BFS - BOS

2 stops16h 00mMultiple Airlines

Deal found 13/9£568

Wed 29/1022:20BOS - BFS

2 stops13h 55mMultiple Airlines

Wed 5/1112:20BFS - BOS

3 stops31h 15mMultiple Airlines

Deal found 14/9£437

Fri 31/1022:20BOS - BFS

2 stops19h 40mMultiple Airlines

Fri 7/1108:05BFS - BOS

2 stops15h 50mMultiple Airlines

Deal found 16/9£452

Cheapflights Fare Finder

Use the filters below to find and compare flights from Massachusetts to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Thu 20/11

19:50-20:40

2 stops19h 50m

Belfast Intl

Wed 26/11

06:30-17:50

2 stops16h 20m

£414

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 29/10

22:20-16:15

2 stops13h 55m

Belfast Intl

Wed 5/11

12:20-14:35

3 stops31h 15m

£437

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 31/10

22:20-22:00

2 stops19h 40m

Belfast Intl

Fri 7/11

08:05-18:55

2 stops15h 50m

£452

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 8/10

21:25-18:35

2 stops16h 10m

Belfast Intl

Sun 12/10

07:45-18:45

2 stops16h 00m

£568

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 6/3

17:10-22:20

2 stops24h 10m

£559

Flights are sorted by cheapest return flights first.

Deals found on 14/9

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 return 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, January is the cheapest month in which you can book a flight from Massachusetts to Belfast Intl Airport (average of £67). Flying from Massachusetts to Belfast Intl Airport in July is currently the most expensive (average of £90). 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

Can I find deals for flights from Massachusetts to Belfast Intl that include hotel bookings?
Yes. In addition to deals on Massachusetts to Belfast Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Massachusetts to Belfast Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Massachusetts to Belfast Intl.
Can I find deals for business class flights from Massachusetts to Belfast Intl?
Yes. Cheapflights offers flight deals from Massachusetts to Belfast Intl 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 Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Massachusetts to Belfast Intl Airport (average of £67). Flying from Massachusetts to Belfast Intl Airport in July is currently the most expensive (average of £90). 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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Cheapflights makes it easy to find Massachusetts to Belfast Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Massachusetts to Belfast Intl?

Cheapflights simply makes it quick and affordable to book flights from Massachusetts to Belfast Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Massachusetts to Belfast Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Massachusetts to Belfast Intl flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Massachusetts to Belfast Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Belfast Intl from Massachusetts today and book when prices fit your budget.

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Cheap flights from Massachusetts to Belfast Intl Airport from £335

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 22/12. Fares are subject to change and may not be available on all flights or dates of travel.

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 17 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 17 September 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 17 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Massachusetts to Belfast Intl Airport that are best for you.

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.

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?

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.

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

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

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

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

Travelling to a place near Belfast Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

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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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Massachusetts to Belfast Intl?

Why should you use Cheapflights to find cheap flight tickets from Massachusetts to Belfast Intl?

Can Cheapflights find flights from Massachusetts to Belfast Intl with no change fees?

Can Cheapflights notify me if prices for flights from Massachusetts to Belfast Intl become cheaper?

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Travel Smart

Cheapest flights from Massachusetts to Belfast Intl
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 17 September 2025.