How long is the flight from Massachusetts to Belfast?

A quick flight from Massachusetts to Belfast can take about 11h 05m. Aer Lingus provides one of the quickest options available for as low as £750. The distance from Massachusetts to Belfast is about 2981 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Belfast 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 when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Belfast, 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 are the most popular routes from Massachusetts to Belfast?

The most popular flight routes from Massachusetts to Belfast are Boston Logan Intl - Belfast Intl, Boston Logan Intl - Belfast City and Hartford Bradley Intl - Belfast City.

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 as you normally would.

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

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

How can I find direct flights from Massachusetts to Belfast?

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

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

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

£250+ Cheap Flights from Massachusetts to Belfast

Cheap flight deals from Massachusetts to Belfast

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Massachusetts to Belfast
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 8 September 2026.

Sun 4/1019:05 -

1 stop12h 15m

Tue 20/1017:10 -

2 stops32h 55m

Deal found 5/9£468

Tue 13/1021:50 -

1 stop12h 30m

Tue 20/1012:40 -

1 stop12h 25m

Deal found 7/9£529

Thu 15/1022:55 -

2 stops15h 25m

Sun 18/1006:10 -

1 stop20h 35m

Deal found 5/9£538

Mon 23/1119:50 -

3 stops19h 25m

Sun 29/1122:10 -

3 stops26h 45m

Deal found 3/9£579

Fri 16/1017:25 -

2 stops22h 20m

Mon 19/1021:25 -

2 stops22h 30m

Deal found 4/9£590

Sat 31/1020:50 -

2 stops13h 10m

Sat 7/1115:25 -

3 stops28h 15m

Deal found 4/9£593

Tue 13/1022:45 -

2 stops17h 20m

Tue 20/1008:20 -

2 stops41h 00m

Deal found 6/9£611

Wed 21/1020:50 -

2 stops20h 35m

Wed 28/1007:00 -

2 stops15h 50m

Deal found 6/9£623

Wed 7/1017:25 -

2 stops20h 50m

Wed 14/1005:55 -

2 stops17h 55m

Deal found 7/9£624

Tue 13/1022:45 -

2 stops16h 45m

Tue 20/1007:00 -

2 stops42h 20m

Deal found 6/9£628

Sat 31/1018:15 -

2 stops19h 35m

Sat 7/1107:00 -

2 stops17h 05m

Deal found 4/9£644

Thu 29/1020:50 -

2 stops19h 40m

Sun 1/1119:25 -

2 stops29h 55m

Deal found 6/9£650

Best flights from Massachusetts to Belfast
Discover carefully curated flight deals from Massachusetts to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 September 2026.

Fri 16/1017:25 -

2 stops22h 20m

Mon 19/1021:25 -

2 stops22h 30m

Deal found 4/9£590

Wed 7/1017:25 -

2 stops16h 35m

Wed 14/1007:00 -

2 stops12h 55m

Deal found 7/9£681

Tue 24/1118:45 -

1 stop11h 05m

Mon 30/1117:35 -

1 stop25h 45m

Deal found 5/9£750

Tue 13/1018:55 -

1 stop17h 00m

Fri 16/1009:50 -

1 stop11h 46m

Deal found 4/9£908

Mon 30/1113:28 -

2 stops16h 22m

Sat 5/1206:35 -

2 stops18h 50m

Deal found 6/9£950

Thu 15/1017:50 -

2 stops23h 35m

Sun 18/1013:25 -

2 stops31h 10m

Deal found 5/9£613

Wed 7/1017:25 -

2 stops20h 50m

Wed 14/1005:55 -

2 stops17h 55m

Deal found 7/9£624

Thu 29/1020:50 -

2 stops19h 40m

Sun 1/1120:55 -

2 stops28h 25m

Deal found 6/9£627

Sun 18/1017:25 -

2 stops20h 00m

Sun 25/1006:15 -

2 stops17h 50m

Deal found 3/9£652

Sun 22/1117:15 -

2 stops13h 45m

Mon 30/1117:55 -

2 stops25h 00m

Deal found 3/9£870

Sun 18/1007:25 -

1 stop20h 15m

Wed 21/1006:30 -

1 stop21h 05m

Deal found 4/9£902

Sat 5/1210:35 -

3 stops23h 10m

Mon 7/1208:30 -

2 stops14h 20m

Deal found 5/9£658

Sat 17/1021:50 -

1 stop12h 15m

Wed 21/1011:35 -

1 stop13h 30m

Deal found 4/9£938

Sun 4/1017:25 -

2 stops14h 40m

Tue 20/1008:20 -

2 stops19h 20m

Deal found 5/9£672

Mon 30/1113:28 -

3 stops18h 27m

Sat 5/1217:55 -

3 stops33h 30m

Deal found 6/9£1,000

Tue 13/1021:15 -

2 stops10h 55m

Fri 16/1017:20 -

1 stop32h 00m

Deal found 4/9£678

Find flight deals from Massachusetts to Belfast

Round-trip from	£468
One-way from	£250
Popular in	November
Cheapest in	March
Average price	£505

4/10-20/10
3 total stops
45h 10m total
Massachusetts to Belfast

Search Deals

20/9-31/12
2 total stops
52h 55m 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 (£82 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Massachusetts to Belfast 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

Sun 20/9

23:35-09:30

2 stops52h 55m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£250

Fastest return journey

BostonBelfast

BOS Boston Logan Intl - BHD Belfast City

BOSBHD

Boston Logan Intl

Tue 26/1

21:30-16:45

1 stop14h 15m

Belfast City

Wed 31/12

00:00-18:00

Nonstop0h 00m

£268

BostonBelfast

BOS Boston Logan Intl - BHD Belfast City

BOSBHD

Boston Logan Intl

Sun 20/9

23:35-16:30

3 stops35h 55m

Belfast City

Wed 31/12

00:00-18:00

Nonstop0h 00m

£275

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Fri 16/10

17:25-20:45

2 stops22h 20m

Belfast Intl

Mon 19/10

21:25-14:55

2 stops22h 30m

£590

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Thu 15/10

17:50-22:25

2 stops23h 35m

Belfast Intl

Sun 18/10

13:25-15:35

2 stops31h 10m

£613

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Wed 7/10

17:25-19:15

2 stops20h 50m

Belfast Intl

Wed 14/10

05:55-18:50

2 stops17h 55m

£624

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Thu 29/10

20:50-20:30

2 stops19h 40m

Belfast Intl

Sun 1/11

20:55-20:20

2 stops28h 25m

£627

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Sun 18/10

17:25-18:25

2 stops20h 00m

Belfast Intl

Sun 25/10

06:15-20:05

2 stops17h 50m

£652

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Sat 5/12

10:35-14:45

3 stops23h 10m

Belfast Intl

Mon 7/12

08:30-17:50

2 stops14h 20m

£658

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Sun 4/10

17:25-13:05

2 stops14h 40m

Belfast Intl

Tue 20/10

08:20-22:40

2 stops19h 20m

£672

Flights are sorted by cheapest return flights first.

Deals found on 3/9

Showing 1-10 of 20 resultsSorted by cheapest first

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.

BOS-BFS

BOS-BHD

BDL-BHD

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

USMA-BF1

BOS-BFS

BOS-BHD

BDL-BHD

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

Related info for your journey

How long is the flight from Massachusetts to Belfast?
A quick flight from Massachusetts to Belfast can take about 11h 05m. Aer Lingus provides one of the quickest options available for as low as £750. The distance from Massachusetts to Belfast is about 2981 mi. This flight may include one or multiple stops.
What are the most popular routes from Massachusetts to Belfast?
The most popular flight routes from Massachusetts to Belfast are Boston Logan Intl - Belfast Intl, Boston Logan Intl - Belfast City and Hartford Bradley Intl - Belfast City.
Can I find deals for flights from Massachusetts to Belfast that include hotel bookings?
Yes. In addition to deals on Massachusetts to Belfast flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Massachusetts to Belfast?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Massachusetts to Belfast.
Can I find deals for business class flights from Massachusetts to Belfast?
Yes. Cheapflights offers flight deals from Massachusetts to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to Northern Ireland

Flights by cabin class

Other flight options

Popular flights

Top destinations

Alternative routes for Massachusetts to Belfast

Boston to Belfast Intl flights

Newark to Belfast Intl flights

John F Kennedy Intl to Belfast Intl flights

John F Kennedy Intl to Belfast City flights

Boston to Belfast City flights

LaGuardia to Belfast City flights

Los Angeles to Belfast Intl flights

Los Angeles to Belfast City flights

Orlando to Belfast Intl flights

Orlando to Belfast City flights

Minneapolis to Belfast Intl flights

Hobby to Belfast City flights

Seattle to Belfast City flights

Tampa to Belfast Intl flights

Dallas/Fort Worth to Belfast Intl flights

Raleigh to Belfast City flights

Portland to Belfast Intl flights

Miami to Belfast Intl flights

George Bush Intcntl to Belfast Intl flights

O'Hare Intl to Belfast Intl flights

Philadelphia to Belfast City flights

Portland to Belfast City flights

Austin to Belfast Intl flights

Minneapolis to Belfast City flights

Miami to Belfast City flights

Atlanta to Belfast Intl flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Massachusetts to Belfast. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Belfast from Massachusetts.

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

Need flexible booking options for your flight to Belfast from Massachusetts? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Massachusetts to Belfast flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Massachusetts to Belfast from £250

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Massachusetts to Belfast

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 8 September 2026.

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 8 September 2026.

Best flights from Massachusetts to BelfastDiscover carefully curated flight deals from Massachusetts to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 September 2026.

Discover carefully curated flight deals from Massachusetts to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 September 2026.

Last-minute flights from Massachusetts to BelfastDiscover last-minute flight deals from Massachusetts to Belfast. Data last updated 8 September 2026 and is based on user searches.

Discover last-minute flight deals from Massachusetts to Belfast. Data last updated 8 September 2026 and is based on user searches.

One-way flights from Massachusetts to BelfastSearch for one-way flight options from Massachusetts to Belfast. Find affordable one-way fares based on user searches. Data last updated 8 September 2026.

Search for one-way flight options from Massachusetts to Belfast. Find affordable one-way fares based on user searches. Data last updated 8 September 2026.

Find flight deals from Massachusetts to Belfast

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Related info for your journey

How long is the flight from Massachusetts to Belfast?

What are the most popular routes from Massachusetts to Belfast?

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

How can I find direct flights from Massachusetts to Belfast?

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

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

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

Complete your trip

Complete your trip to Belfast 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 by cabin class

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

Massachusetts and Belfast flights

Browse other Massachusetts and Belfast flight options. Last updated on 8 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Massachusetts to Belfast flights

Consider these flights travelling from Massachusetts to Belfast.

Fly with Cheapflights

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Massachusetts to Belfast
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 8 September 2026.

Best flights from Massachusetts to Belfast
Discover carefully curated flight deals from Massachusetts to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 September 2026.

Last-minute flights from Massachusetts to Belfast
Discover last-minute flight deals from Massachusetts to Belfast. Data last updated 8 September 2026 and is based on user searches.

One-way flights from Massachusetts to Belfast
Search for one-way flight options from Massachusetts to Belfast. Find affordable one-way fares based on user searches. Data last updated 8 September 2026.