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.

£225+ Cheap Flights from Massachusetts to Belfast Intl Airport

Cheap flight deals from Massachusetts to Belfast Intl

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 29 August 2026.

Sat 10/1017:40 -

2 stops23h 35m

Sat 17/1010:10 -

3 stops34h 25m

Deal found 25/8£638

Thu 24/912:30 -

2 stops25h 25m

Thu 1/1006:40 -

2 stops14h 25m

Deal found 27/8£649

Mon 14/920:50 -

2 stops18h 50m

Wed 14/1006:10 -

2 stops20h 35m

Deal found 29/8£654

Mon 28/923:00 -

2 stops12h 15m

Wed 30/906:15 -

3 stops20h 11m

Deal found 27/8£661

Fri 9/1017:25 -

2 stops17h 50m

Fri 16/1017:20 -

1 stop32h 00m

Deal found 25/8£671

Sun 13/910:50 -

3 stops21h 55m

Sat 19/915:25 -

2 stops31h 15m

Deal found 27/8£672

Thu 15/1021:15 -

2 stops17h 15m

Wed 28/1007:00 -

2 stops17h 05m

Deal found 28/8£687

Find flight deals from Massachusetts to Belfast Intl

Round-trip from	£567
One-way from	£225
Popular in	November
Cheapest in	March
Average price	£919

11/11-9/12
6 total stops
44h 20m total
Massachusetts to Belfast

Search Deals

11/10
2 total stops
16h 35m total
Massachusetts to Belfast

Search Deals

Highest demand for flights based on searches. 33% potential increase in price (£284 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 16% potential price decrease (£81 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

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

Cheapest return flight

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Sat 10/10

17:40-22:15

2 stops23h 35m

Belfast Intl

Sat 17/10

10:10-15:35

3 stops34h 25m

£638

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Mon 14/9

20:50-20:40

2 stops18h 50m

Belfast Intl

Wed 14/10

06:10-21:45

2 stops20h 35m

£654

Fastest return journey

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Mon 28/9

23:00-16:15

2 stops12h 15m

Belfast Intl

Wed 30/9

06:15-21:26

3 stops20h 11m

£661

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Fri 9/10

17:25-16:15

2 stops17h 50m

Belfast Intl

Fri 16/10

17:20-20:20

1 stop32h 00m

£671

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Sun 13/9

10:50-13:45

3 stops21h 55m

Belfast Intl

Sat 19/9

15:25-17:40

2 stops31h 15m

£672

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Thu 15/10

21:15-19:30

2 stops17h 15m

Belfast Intl

Wed 28/10

07:00-20:05

2 stops17h 05m

£687

Cheapest one-way

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Tue 13/10

20:50-22:20

3 stops44h 30m

£231

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Mon 1/2

19:50-07:30

3 stops30h 40m

£237

Fastest single journey

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Sun 11/10

20:50-08:05

3 stops30h 15m

£240

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Thu 24/9

22:55-21:15

2 stops41h 20m

£259

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 11 resultsSorted by cheapest first

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.

BOS-BFS

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

USMA-BFS

BOS-BFS

No data available for this route at this time. Please check back soon.

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.

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Complete your trip

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Alternative routes for Massachusetts to Belfast Intl

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George Bush Intcntl to Belfast Intl flights

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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?

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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 £225

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 11/10. 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

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 29 August 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 29 August 2026.

Best flights from Massachusetts to Belfast IntlDiscover 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 29 August 2026.

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 29 August 2026.

Last-minute flights from Massachusetts to Belfast IntlDiscover last-minute flight deals from Massachusetts to Belfast Intl. Data last updated 29 August 2026 and is based on user searches.

Discover last-minute flight deals from Massachusetts to Belfast Intl. Data last updated 29 August 2026 and is based on user searches.

One-way flights from Massachusetts to Belfast IntlSearch for one-way flight options from Massachusetts to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 29 August 2026.

Search for one-way flight options from Massachusetts to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 29 August 2026.

Find flight deals from Massachusetts to Belfast Intl

Round-trip from

One-way from

Popular in

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Average price

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

Related info for your journey

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?

Travelling to a place near Belfast Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Massachusetts to Belfast Intl

See prices for flight routes from nearby airports that may be better suited for you.

Other flights to Belfast Intl

Explore flights to Belfast Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 29 August 2026.

Complete your trip

Complete your trip to Belfast Intl by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Northern Ireland

Book a non-stop flight to one of these other cities located in Northern Ireland.

Search flights from Massachusetts to Belfast Intl by cabin class

Find flights from Massachusetts to Belfast Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Massachusetts and Belfast Intl flights

Browse other Massachusetts and Belfast Intl flight options. Last updated on 29 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

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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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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 29 August 2026.

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 29 August 2026.

Last-minute flights from Massachusetts to Belfast Intl
Discover last-minute flight deals from Massachusetts to Belfast Intl. Data last updated 29 August 2026 and is based on user searches.

One-way flights from Massachusetts to Belfast Intl
Search for one-way flight options from Massachusetts to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 29 August 2026.