What is the cheapest airline that flies from Massachusetts to Northern Ireland?

Aer Lingus is the most popular carrier operating from Massachusetts to Northern Ireland

How long is the flight from Massachusetts to Northern Ireland?

Flight times vary depending on what airport in Massachusetts you fly out of and what airport in Northern Ireland 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 15h 12m 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.

How many operators does momondo search for flights from Massachusetts to Northern Ireland?

The number of operators available for flights from Massachusetts to Northern Ireland is 1 as of August 2026.

How old do you have to be to fly from Massachusetts to Northern Ireland?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Massachusetts to Northern Ireland.

What documentation or ID do you need to fly to Northern Ireland?

The travel and health documents you'll need for your trip to Northern Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Northern Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$363 Cheap Flights from Massachusetts to Northern Ireland in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Massachusetts to Northern Ireland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:50 pm - 11:10 pmBOS Boston Logan Intl-BFS Belfast Intl

21h 20m2 stops Reykjavik Keflavik Intl London Gatwick

5:10 pm - 8:20 pmBFS Belfast Intl-BOS Boston Logan Intl

32h 10m3 stops Malaga Barcelona-El Prat Lisbon Humberto Delgado

$736Multiple Airlines

Mon, Sep 7 - Tue, Sep 22

8:50 pm - 3:30 pmBOS Boston Logan Intl-BFS Belfast Intl

13h 40m2 stops Reykjavik Keflavik Intl London Gatwick

9:05 pm - 2:45 pmBFS Belfast Intl-BOS Boston Logan Intl

46h 40m3 stops Palma de Mallorca Son Sant Joan Barcelona-El Prat Lisbon Humberto Delgado

$752Multiple Airlines

Mon, Sep 7 - Mon, Sep 14

11:00 pm - 8:25 pmBOS Boston Logan Intl-BFS Belfast Intl

16h 25m2 stops Reykjavik Keflavik Intl London Gatwick

7:00 am - 8:20 pmBFS Belfast Intl-BOS Boston Logan Intl

42h 20m3 stops Birmingham Barcelona-El Prat Lisbon Humberto Delgado

$757Multiple Airlines

Mon, Sep 14 - Tue, Sep 29

8:50 pm - 9:05 pmBOS Boston Logan Intl-BFS Belfast Intl

19h 15m2 stops Reykjavik Keflavik Intl London Gatwick

9:00 pm - 2:40 pmBFS Belfast Intl-BOS Boston Logan Intl

46h 40m3 stops London Luton Madrid Barajas Lisbon Humberto Delgado

$764Multiple Airlines

Tue, Sep 29 - Mon, Mar 1

7:50 pm - 8:50 pmBOS Boston Logan Intl-BFS Belfast Intl

20h 00m2 stops Reykjavik Keflavik Intl Edinburgh Turnhouse

5:05 pm - 2:40 pmBFS Belfast Intl-BOS Boston Logan Intl

26h 35m3 stops London Stansted Barcelona-El Prat Lisbon Humberto Delgado

$777Multiple Airlines

Wed, Nov 4 - Tue, Nov 10

8:50 pm - 8:25 pmBOS Boston Logan Intl-BFS Belfast Intl

18h 35m2 stops Reykjavik Keflavik Intl London Gatwick

3:40 pm - 8:20 pmBFS Belfast Intl-BOS Boston Logan Intl

33h 40m3 stops Manchester Barcelona-El Prat Lisbon Humberto Delgado

$779Multiple Airlines

Mon, Sep 21 - Wed, Sep 30

10:05 am - 7:50 pmBOS Boston Logan Intl-BFS Belfast Intl

28h 45m2 stops Toronto Pearson Intl Edinburgh Turnhouse

6:30 am - 5:50 pmBFS Belfast Intl-BOS Boston Logan Intl

16h 20m2 stops London Gatwick Reykjavik Keflavik Intl

$785Multiple Airlines

Tue, Sep 29 - Mon, Mar 1

7:05 pm - 2:15 pmBOS Boston Logan Intl-BFS Belfast Intl

14h 10m1 stop London Heathrow

6:35 am - 9:05 pmBFS Belfast Intl-BOS Boston Logan Intl

19h 30m2 stops London Stansted Barcelona-El Prat

$786Multiple Airlines

Fri, Oct 2 - Thu, Oct 15

6:45 pm - 10:50 amBOS Boston Logan Intl-BHD Belfast City

11h 05m1 stop London Heathrow

11:45 am - 7:40 pmBHD Belfast City-BOS Boston Logan Intl

12h 55m1 stop London Heathrow

$913British Airways

Tue, Dec 1 - Sat, Dec 5

5:33 pm - 11:30 amBOS Boston Logan Intl-BHD Belfast City

12h 57m2 stops New York John F Kennedy Intl London Heathrow

9:20 am - 7:40 pmBHD Belfast City-BOS Boston Logan Intl

15h 20m1 stop London Heathrow

$918British Airways

Tue, Dec 1 - Sat, Dec 5

Cheap last minute flights

Enter your travel dates to find the best prices.

12:30 pm - 5:50 pmBOS Boston Logan Intl-BFS Belfast Intl

24h 20m2 stops Toronto Pearson Intl Edinburgh Turnhouse

10:05 pm - 6:22 pmBFS Belfast Intl-BOS Boston Logan Intl

25h 17m2 stops Edinburgh Turnhouse Toronto Pearson Intl

$941Multiple Airlines

Tue, Aug 18 - Tue, Aug 25

10:05 am - 10:15 pmBOS Boston Logan Intl-BFS Belfast Intl

31h 10m2 stops Toronto Pearson Intl Glasgow Intl

6:15 am - 6:57 pmBFS Belfast Intl-BOS Boston Logan Intl

41h 42m3 stops London Gatwick Ottawa Toronto Island

$945Multiple Airlines

Tue, Aug 18 - Tue, Aug 25

10:45 pm - 9:10 pmBOS Boston Logan Intl-BHD Belfast City

17h 25m2 stops Lisbon Humberto Delgado Manchester

7:00 am - 10:38 pmBHD Belfast City-BOS Boston Logan Intl

44h 38m3 stops Edinburgh Turnhouse Halifax Intl Toronto Pearson Intl

$964Multiple Airlines

Mon, Aug 17 - Sun, Aug 30

10:05 am - 11:55 amBOS Boston Logan Intl-BHD Belfast City

20h 50m2 stops Toronto Pearson Intl Glasgow Intl

7:00 am - 6:50 pmBHD Belfast City-BOS Boston Logan Intl

16h 50m2 stops London Gatwick Toronto Pearson Intl

$968Multiple Airlines

Tue, Aug 18 - Tue, Aug 25

10:45 pm - 11:20 pmBOS Boston Logan Intl-BFS Belfast Intl

19h 35m2 stops Lisbon Humberto Delgado London Gatwick

6:45 am - 10:38 pmBFS Belfast Intl-BOS Boston Logan Intl

44h 53m3 stops Edinburgh Turnhouse Halifax Intl Toronto Pearson Intl

$979Multiple Airlines

Mon, Aug 17 - Sun, Aug 30

3:35 pm - 11:00 pmBOS Boston Logan Intl-BFS Belfast Intl

26h 25m3 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat Birmingham

6:15 am - 6:57 pmBFS Belfast Intl-BOS Boston Logan Intl

41h 42m3 stops London Gatwick Ottawa Toronto Island

$981Multiple Airlines

Tue, Aug 18 - Tue, Aug 25

10:40 am - 8:05 pmBOS Boston Logan Intl-BHD Belfast City

28h 25m3 stops Montreal Pierre Elliott Trudeau Intl Zurich Birmingham

7:00 am - 10:38 pmBHD Belfast City-BOS Boston Logan Intl

44h 38m3 stops Edinburgh Turnhouse Halifax Intl Toronto Pearson Intl

$1,003Multiple Airlines

Mon, Aug 17 - Sun, Aug 30

9:50 pm - 3:30 pmBOS Boston Logan Intl-BHD Belfast City

12h 40m1 stop London Heathrow

7:00 am - 10:38 pmBHD Belfast City-BOS Boston Logan Intl

44h 38m3 stops Edinburgh Turnhouse Halifax Intl Toronto Pearson Intl

$1,006Multiple Airlines

Mon, Aug 17 - Sun, Aug 30

7:25 am - 9:00 amBOS Boston Logan Intl-BHD Belfast City

20h 35m1 stop London Heathrow

4:25 pm - 10:35 pmBHD Belfast City-BOS Boston Logan Intl

11h 10m1 stop London Heathrow

$1,024British Airways

Tue, Aug 18 - Tue, Aug 25

12:56 pm - 10:35 amBOS Boston Logan Intl-BHD Belfast City

16h 39m2 stops Philadelphia London Heathrow

1:45 pm - 10:35 pmBHD Belfast City-BOS Boston Logan Intl

13h 50m1 stop London Heathrow

$1,046British Airways

Tue, Aug 18 - Tue, Aug 25

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British Airways flights from Massachusetts to Northern Ireland

Our best British Airways deals on Massachusetts to Northern Ireland flight tickets

British Airways

Dec 1

BOS6:45 pmBoston Logan Intl

11h 05m

1 stop

BHD10:50 amBelfast City

Dec 5

BHD11:45 amBelfast City

12h 55m

1 stop

BOS7:40 pmBoston Logan Intl

$913

British Airways

Dec 1

BOS5:33 pmBoston Logan Intl

12h 57m

2 stops

BHD11:30 amBelfast City

Dec 5

BHD9:20 amBelfast City

15h 20m

1 stop

BOS7:40 pmBoston Logan Intl

$918

British Airways

Jan 26

BOS9:30 pmBoston Logan Intl

14h 15m

1 stop

BHD4:45 pmBelfast City

Feb 1

BHD11:30 amBelfast City

13h 10m

1 stop

BOS7:40 pmBoston Logan Intl

$921

Delta flights from Massachusetts to Northern Ireland

Our best Delta deals on Massachusetts to Northern Ireland flight tickets

Delta

Sep 6

BOS7:30 amBoston Logan Intl

20h 50m

2 stops

BHD9:20 amBelfast City

Sep 14

BHD5:30 pmBelfast City

28h 05m

1 stop

BOS4:35 pmBoston Logan Intl

$1,025

Delta

Sep 6

BOS7:30 amBoston Logan Intl

20h 50m

2 stops

BHD9:20 amBelfast City

Sep 16

BHD9:50 amBelfast City

26h 34m

2 stops

BOS7:24 amBoston Logan Intl

$1,035

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Mon 9/7

8:50 pm-11:10 pm

2 stops21h 20m

Belfast Intl

Tue 9/22

5:10 pm-8:20 pm

3 stops32h 10m

$736

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Mon 9/7

8:50 pm-3:30 pm

2 stops13h 40m

Belfast Intl

Mon 9/14

9:05 pm-2:45 pm

3 stops46h 40m

$752

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Mon 9/14

11:00 pm-8:25 pm

2 stops16h 25m

Belfast Intl

Tue 9/29

7:00 am-8:20 pm

3 stops42h 20m

$757

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Tue 9/29

8:50 pm-9:05 pm

2 stops19h 15m

Belfast Intl

Mon 3/1

9:00 pm-2:40 pm

3 stops46h 40m

$764

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Wed 11/4

7:50 pm-8:50 pm

2 stops20h 00m

Belfast Intl

Tue 11/10

5:05 pm-2:40 pm

3 stops26h 35m

$777

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Mon 9/21

8:50 pm-8:25 pm

2 stops18h 35m

Belfast Intl

Wed 9/30

3:40 pm-8:20 pm

3 stops33h 40m

$779

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Tue 9/29

10:05 am-7:50 pm

2 stops28h 45m

Belfast Intl

Mon 3/1

6:30 am-5:50 pm

2 stops16h 20m

$785

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Fri 10/2

7:05 pm-2:15 pm

1 stop14h 10m

Belfast Intl

Thu 10/15

6:35 am-9:05 pm

2 stops19h 30m

$786

Quickest round-trip

BostonBelfast

BOS Boston Logan Intl - BHD Belfast City

BOSBHD

Boston Logan Intl

Tue 12/1

6:45 pm-10:50 am

1 stop11h 05m

Belfast City

Sat 12/5

11:45 am-7:40 pm

1 stop12h 55m

$913

BostonBelfast

BOS Boston Logan Intl - BHD Belfast City

BOSBHD

Boston Logan Intl

Tue 12/1

5:33 pm-11:30 am

2 stops12h 57m

Belfast City

Sat 12/5

9:20 am-7:40 pm

1 stop15h 20m

$918

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Massachusetts to Northern Ireland

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 Northern Ireland?

The cheapest month to fly to Northern Ireland from Massachusetts is in July. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of July, then book flights to Northern Ireland from Massachusetts during February instead. Flights to Northern Ireland in February, while not as cheap as those in July, still average around $0.

Cheap Massachusetts to Northern Ireland flight deals and tips

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

Fastest flight time	10h 45m
Direct flights	None

The fastest flight from Massachusetts to Northern Ireland takes 10h 45m

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

Search flight deals

Frequently asked questions about flying from Massachusetts to Northern Ireland

When did momondo last update prices for flights from Massachusetts to Northern Ireland?
Prices for flights from Massachusetts to Northern Ireland refresh daily.
How many operators does momondo search for flights from Massachusetts to Northern Ireland?
The number of operators available for flights from Massachusetts to Northern Ireland is 1 as of August 2026.
How old do you have to be to fly from Massachusetts to Northern Ireland?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Massachusetts to Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The travel and health documents you'll need for your trip to Northern Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Northern Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Massachusetts to Northern Ireland

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

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $538	Free Cancellation	Rating 6.7 8,161 reviews		Search British Airways flights

Why use momondo?

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

Finding the right flight to Northern Ireland from Massachusetts is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Northern Ireland quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Massachusetts to Northern Ireland flights to just show those with flexible booking policies.

How can momondo help me find flights from Massachusetts to Northern Ireland?

Once all potential Massachusetts to Northern Ireland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Northern Ireland from Massachusetts. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.