What is the cheapest airline that flies from Massachusetts to Belfast?

Aer Lingus is the most popular carrier operating from Massachusetts to Belfast

How long does it take to fly to Belfast?

Flight times vary depending on what airport in Massachusetts you fly out of and what airport in Belfast you fly into. For example, flying from Boston to Belfast Intl Airport takes 10h 45m on average. On the other hand, flying from Worcester to Belfast Intl Airport takes 16h 03m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

When did momondo last update prices for flights from Massachusetts to Belfast?

Prices for flights from Massachusetts to Belfast are updated daily.

How old do you have to be to fly from Massachusetts to Belfast?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Belfast.

What documentation or ID do you need to fly to Belfast?

The required travel and health documents for your Belfast trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$361 Cheap Flights from Massachusetts to Belfast in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Massachusetts to Belfast

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:35 pm - 1:35 pmBOS Boston Logan Intl-BHD Belfast City

13h 00m1 stop London Heathrow

9:35 am - 10:35 pmBHD Belfast City-BOS Boston Logan Intl

18h 00m1 stop London Heathrow

$942British Airways

Wed, Apr 14 - Fri, Apr 23

7:35 pm - 1:35 pmBOS Boston Logan Intl-BHD Belfast City

13h 00m1 stop London Heathrow

9:35 am - 10:35 pmBHD Belfast City-BOS Boston Logan Intl

18h 00m1 stop London Heathrow

$946British Airways

Wed, Apr 14 - Fri, Apr 23

6:35 pm - 10:05 amBOS Boston Logan Intl-BHD Belfast City

10h 30m1 stop London Heathrow

6:35 am - 2:20 pmBHD Belfast City-BOS Boston Logan Intl

12h 45m1 stop London Heathrow

$948British Airways

Wed, Dec 2 - Wed, Dec 9

9:15 am - 12:00 pmBOS Boston Logan Intl-BHD Belfast City

21h 45m2 stops Philadelphia London Heathrow

6:30 am - 1:15 pmBHD Belfast City-BOS Boston Logan Intl

11h 45m1 stop London Heathrow

$957British Airways

Wed, Apr 14 - Fri, Apr 23

7:35 pm - 12:00 pmBOS Boston Logan Intl-BHD Belfast City

11h 25m1 stop London Heathrow

6:30 am - 7:30 pmBHD Belfast City-BOS Boston Logan Intl

18h 00m2 stops London Heathrow Philadelphia

$958British Airways

Wed, Apr 14 - Fri, Apr 23

3:17 pm - 12:00 pmBOS Boston Logan Intl-BHD Belfast City

15h 43m2 stops New York John F Kennedy Intl London Heathrow

6:30 am - 11:30 pmBHD Belfast City-BOS Boston Logan Intl

22h 00m2 stops London Heathrow Philadelphia

$960British Airways

Wed, Apr 14 - Fri, Apr 23

7:35 pm - 12:00 pmBOS Boston Logan Intl-BHD Belfast City

11h 25m1 stop London Heathrow

6:30 am - 7:30 pmBHD Belfast City-BOS Boston Logan Intl

18h 00m2 stops London Heathrow Philadelphia

$962British Airways

Wed, Apr 14 - Fri, Apr 23

7:25 pm - 10:45 amBOS Boston Logan Intl-BHD Belfast City

10h 20m1 stop London Heathrow

3:50 pm - 1:15 pmBHD Belfast City-BOS Boston Logan Intl

26h 25m1 stop London Heathrow

$1,007American Airlines

Tue, Apr 20 - Sun, Apr 25

5:15 pm - 9:00 pmBOS Boston Logan Intl-BHD Belfast City

22h 45m2 stops Dublin Birmingham

7:20 am - 7:55 pmBHD Belfast City-BOS Boston Logan Intl

17h 35m2 stops London Gatwick Lisbon Humberto Delgado

$1,045Multiple Airlines

Tue, Jan 5 - Mon, Jan 25

4:05 pm - 4:15 pmBOS Boston Logan Intl-BHD Belfast City

19h 10m2 stops Frankfurt am Main London City

8:05 pm - 8:20 pmBHD Belfast City-BOS Boston Logan Intl

29h 15m2 stops London Gatwick Zurich

$1,047Multiple Airlines

Tue, Jan 12 - Fri, Jan 15

Cheap last minute flights

Enter your travel dates to find the best prices.

7:50 pm - 8:30 pmBOS Boston Logan Intl-BHD Belfast City

19h 40m2 stops Reykjavik Keflavik Intl London Gatwick

2:20 pm - 2:40 pmBHD Belfast City-BOS Boston Logan Intl

29h 20m3 stops Manchester Dublin Lisbon Humberto Delgado

$1,010Multiple Airlines

Sun, Nov 8 - Thu, Nov 12

7:50 pm - 6:50 pmBOS Boston Logan Intl-BHD Belfast City

18h 00m2 stops Reykjavik Keflavik Intl London Gatwick

7:15 am - 8:15 pmBHD Belfast City-BOS Boston Logan Intl

18h 00m2 stops London Gatwick Lisbon Humberto Delgado

$1,014Multiple Airlines

Sun, Nov 8 - Thu, Nov 12

10:11 pm - 6:50 pmBOS Boston Logan Intl-BHD Belfast City

15h 39m1 stop London Heathrow

5:05 pm - 5:50 pmBHD Belfast City-BOS Boston Logan Intl

29h 45m2 stops Liverpool J. Lennon Reykjavik Keflavik Intl

$1,125Multiple Airlines

Sun, Nov 8 - Thu, Nov 12

7:30 am - 7:40 amBOS Boston Logan Intl-BHD Belfast City

19h 10m1 stop London Heathrow

7:40 pm - 2:20 pmBHD Belfast City-BOS Boston Logan Intl

23h 40m1 stop London Heathrow

$1,219British Airways

Thu, Nov 5 - Mon, Nov 9

7:30 am - 7:40 amBOS Boston Logan Intl-BHD Belfast City

19h 10m1 stop London Heathrow

5:35 pm - 2:20 pmBHD Belfast City-BOS Boston Logan Intl

25h 45m1 stop London Heathrow

$1,219British Airways

Thu, Nov 5 - Mon, Nov 9

5:35 pm - 4:45 pmBOS Boston Logan Intl-BHD Belfast City

18h 10m3 stops Kastrup Copenhagen London Heathrow Amsterdam Schiphol

9:40 am - 3:45 pmBHD Belfast City-BOS Boston Logan Intl

35h 05m3 stops Amsterdam Schiphol London Heathrow Kastrup Copenhagen

$1,328Multiple Airlines

Sun, Nov 8 - Thu, Nov 12

9:30 pm - 1:50 pmBOS Boston Logan Intl-BHD Belfast City

11h 20m1 stop London Heathrow

2:10 pm - 7:40 pmBHD Belfast City-BOS Boston Logan Intl

10h 30m1 stop London Heathrow

$1,400British Airways

Sun, Nov 8 - Thu, Nov 12

7:30 am - 7:40 amBOS Boston Logan Intl-BHD Belfast City

19h 10m1 stop London Heathrow

11:05 am - 7:40 pmBHD Belfast City-BOS Boston Logan Intl

13h 35m1 stop London Heathrow

$1,435British Airways

Sun, Nov 8 - Thu, Nov 12

3:00 pm - 10:55 amBOS Boston Logan Intl-BHD Belfast City

14h 55m2 stops Philadelphia London Heathrow

8:35 am - 7:40 pmBHD Belfast City-BOS Boston Logan Intl

16h 05m1 stop London Heathrow

$1,513British Airways

Thu, Nov 5 - Mon, Nov 9

3:00 pm - 10:55 amBOS Boston Logan Intl-BHD Belfast City

14h 55m2 stops Philadelphia London Heathrow

8:35 am - 7:40 pmBHD Belfast City-BOS Boston Logan Intl

16h 05m1 stop London Heathrow

$1,514British Airways

Thu, Nov 5 - Mon, Nov 9

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Aer Lingus flights from Massachusetts to Belfast

Our best Aer Lingus deals on Massachusetts to Belfast flight tickets

Aer Lingus

Jan 12

BOS9:10 pmBoston Logan Intl

14h 30m

2 stops

BHD4:40 pmBelfast City

Jan 15

BHD6:50 amBelfast City

17h 25m

2 stops

BOS7:15 pmBoston Logan Intl

$1,175

Aer Lingus

Dec 20

BOS5:15 pmBoston Logan Intl

14h 55m

2 stops

BHD1:10 pmBelfast City

Dec 28

BHD6:20 pmBelfast City

29h 45m

2 stops

BOS7:05 pmBoston Logan Intl

$1,300

Aer Lingus

Nov 8

BOS5:15 pmBoston Logan Intl

13h 45m

2 stops

BHD12:00 pmBelfast City

Nov 14

BHD7:00 amBelfast City

17h 05m

2 stops

BOS7:05 pmBoston Logan Intl

$7,659

British Airways flights from Massachusetts to Belfast

Our best British Airways deals on Massachusetts to Belfast flight tickets

British Airways

Apr 14

BOS7:35 pmBoston Logan Intl

13h 00m

1 stop

BHD1:35 pmBelfast City

Apr 23

BHD9:35 amBelfast City

18h 00m

1 stop

BOS10:35 pmBoston Logan Intl

$942

British Airways

Apr 14

BOS7:35 pmBoston Logan Intl

13h 00m

1 stop

BHD1:35 pmBelfast City

Apr 23

BHD9:35 amBelfast City

18h 00m

1 stop

BOS10:35 pmBoston Logan Intl

$946

British Airways

Dec 2

BOS6:35 pmBoston Logan Intl

10h 30m

1 stop

BHD10:05 amBelfast City

Dec 9

BHD6:35 amBelfast City

12h 45m

1 stop

BOS2:20 pmBoston Logan Intl

$948

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonBelfast

BOS Boston Logan Intl - BHD Belfast City

BOSBHD

Boston Logan Intl

Wed 4/14

7:35 pm-1:35 pm

1 stop13h 00m

Belfast City

Fri 4/23

9:35 am-10:35 pm

1 stop18h 00m

$942

BostonBelfast

BOS Boston Logan Intl - BHD Belfast City

BOSBHD

Boston Logan Intl

Wed 4/14

7:35 pm-1:35 pm

1 stop13h 00m

Belfast City

Fri 4/23

9:35 am-10:35 pm

1 stop18h 00m

$946

Quickest round-trip

BostonBelfast

BOS Boston Logan Intl - BHD Belfast City

BOSBHD

Boston Logan Intl

Wed 12/2

6:35 pm-10:05 am

1 stop10h 30m

Belfast City

Wed 12/9

6:35 am-2:20 pm

1 stop12h 45m

$948

BostonBelfast

BOS Boston Logan Intl - BHD Belfast City

BOSBHD

Boston Logan Intl

Wed 4/14

9:15 am-12:00 pm

2 stops21h 45m

Belfast City

Fri 4/23

6:30 am-1:15 pm

1 stop11h 45m

$957

BostonBelfast

BOS Boston Logan Intl - BHD Belfast City

BOSBHD

Boston Logan Intl

Wed 4/14

7:35 pm-12:00 pm

1 stop11h 25m

Belfast City

Fri 4/23

6:30 am-7:30 pm

2 stops18h 00m

$958

BostonBelfast

BOS Boston Logan Intl - BHD Belfast City

BOSBHD

Boston Logan Intl

Wed 4/14

3:17 pm-12:00 pm

2 stops15h 43m

Belfast City

Fri 4/23

6:30 am-11:30 pm

2 stops22h 00m

$960

BostonBelfast

BOS Boston Logan Intl - BHD Belfast City

BOSBHD

Boston Logan Intl

Wed 4/14

7:35 pm-12:00 pm

1 stop11h 25m

Belfast City

Fri 4/23

6:30 am-7:30 pm

2 stops18h 00m

$962

BostonBelfast

BOS Boston Logan Intl - BHD Belfast City

BOSBHD

Boston Logan Intl

Tue 4/20

7:25 pm-10:45 am

1 stop10h 20m

Belfast City

Sun 4/25

3:50 pm-1:15 pm

1 stop26h 25m

$1,007

BostonBelfast

BOS Boston Logan Intl - BHD Belfast City

BOSBHD

Boston Logan Intl

Tue 1/5

5:15 pm-9:00 pm

2 stops22h 45m

Belfast City

Mon 1/25

7:20 am-7:55 pm

2 stops17h 35m

$1,045

BostonBelfast

BOS Boston Logan Intl - BHD Belfast City

BOSBHD

Boston Logan Intl

Tue 1/12

4:05 pm-4:15 pm

2 stops19h 10m

Belfast City

Fri 1/15

8:05 pm-8:20 pm

2 stops29h 15m

$1,047

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Massachusetts to Belfast

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Belfast?

In general, July is the cheapest month to fly from Massachusetts to Belfast. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you don’t want to visit Belfast in July, then you should wait until February to fly from Massachusetts, when ticket prices are also cheap, with an average price of $0.

Cheap Massachusetts to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Massachusetts to Belfast

Best Price Found	$361
Fastest flight time	10h 45m
Direct flights	None

The best one-way flight to Belfast from Massachusetts in the past 72 hours is $361. The best round-trip flight deal from Massachusetts to Belfast found on momondo in the last 72 hours is $942.

The fastest flight from Massachusetts to Belfast takes 10h 45m

There are no direct flights from Massachusetts to Belfast. There are no popular flight routes from Massachusetts to Belfast.

Search flight deals

Frequently asked questions about flying from Massachusetts to Belfast

When did momondo last update prices for flights from Massachusetts to Belfast?
Prices for flights from Massachusetts to Belfast are updated daily.
How old do you have to be to fly from Massachusetts to Belfast?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Belfast.
What documentation or ID do you need to fly to Belfast?
The required travel and health documents for your Belfast trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Massachusetts to Belfast

Compare and see reviews for airlines that fly from Massachusetts to Belfast with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $596	Free Cancellation	Rating 6.7 8,279 reviews		Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Massachusetts to Belfast?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Belfast from Massachusetts.

Can I find flights from Massachusetts to Belfast with flexible booking policies on momondo?

Flights from Massachusetts to Belfast with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Massachusetts to Belfast?

momondo helps you find the best flight between Massachusetts and Belfast by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Massachusetts to Belfast right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Massachusetts to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Fly into one of these airports located in Belfast

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Cheap flights from Massachusetts to Belfast from $361

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to Belfast departing on 12/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Massachusetts to Belfast

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Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Aer Lingus flights from Massachusetts to Belfast

Our best Aer Lingus deals on Massachusetts to Belfast flight tickets

British Airways flights from Massachusetts to Belfast

Our best British Airways deals on Massachusetts to Belfast flight tickets

momondo Fare Finder

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

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How to get the cheapest flight ticket from Massachusetts to Belfast

What is the cheapest month to fly to Belfast?

What is the cheapest airline that flies from Massachusetts to Belfast?

How long does it take to fly to Belfast?

Cheap Massachusetts to Belfast flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Massachusetts to Belfast

Best airlines flying from Massachusetts to Belfast

Compare and see reviews for airlines that fly from Massachusetts to Belfast with momondo

Why use momondo?

An easier way to manage your Belfast trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast

Fly your favorite airline to Belfast

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Massachusetts

According to popular flight searches on momondo this year

Complete your trip to Belfast

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According to popular flight searches on momondo this year