What is the cheapest airline that flies from Boston Logan Intl to Northern Ireland?

Aer Lingus is the most popular carrier operating from Boston Logan Intl to Northern Ireland

When did momondo last update prices for flights from Boston Logan Intl Airport to Northern Ireland?

Prices for flights from Boston Logan Intl Airport to Northern Ireland were last updated today.

How many operators does momondo search for flights from Boston Logan Intl Airport to Northern Ireland?

The number of operators available for flights from Boston Logan Intl Airport to Northern Ireland is 1 as of August 2026.

How old do you have to be to fly from Boston Logan Intl Airport to Northern Ireland?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Northern Ireland.

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

The required travel and health documents for your Northern Ireland 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 Northern Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$363 Cheap Flights from Boston to Northern Ireland in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston 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 Boston to Northern Ireland

Our best British Airways deals on Boston 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 Boston to Northern Ireland

Our best Delta deals on Boston 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

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 Boston 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

What is the cheapest month to fly to Northern Ireland?

The cheapest month to fly to Northern Ireland from Boston 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 Boston during February instead. Flights to Northern Ireland in February, while not as cheap as those in July, still average around $0.

Cheap Boston to Northern Ireland flight deals and tips

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

Fastest flight time	11h 05m
Direct flights	None

The fastest flight from Boston to Northern Ireland takes 11h 05m

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

Search flight deals

Frequently asked questions about flying from Boston to Northern Ireland

When did momondo last update prices for flights from Boston Logan Intl Airport to Northern Ireland?
Prices for flights from Boston Logan Intl Airport to Northern Ireland were last updated today.
How many operators does momondo search for flights from Boston Logan Intl Airport to Northern Ireland?
The number of operators available for flights from Boston Logan Intl Airport to Northern Ireland is 1 as of August 2026.
How old do you have to be to fly from Boston Logan Intl Airport to Northern Ireland?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The required travel and health documents for your Northern Ireland 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 Northern Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Boston to Northern Ireland

Compare and see reviews for airlines that fly from Boston 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 Boston to Northern Ireland?

It is quick and easy to find Boston to Northern Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Northern Ireland that suits you.

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

momondo does allow users to show only those flights to Northern Ireland from Boston which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to Northern Ireland.

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

Price alerts on flights to Northern Ireland from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.