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Cheap flights from Boston to Northern Ireland from $309

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Northern Ireland departing on 3/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Boston to Northern Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:15 pm - 10:40 amBOS-BHD
10h 25m1 stop
American Airlines Logo
6:35 am - 4:00 pmBHD-BOS
14h 25m1 stop
$537American Airlines
Find Deal
Mon, Nov 24 - Wed, Dec 3
American Airlines Logo
3:53 pm - 10:40 amBOS-BHD
13h 47m2 stops
American Airlines Logo
6:35 am - 4:00 pmBHD-BOS
14h 25m1 stop
$542American Airlines
Find Deal
Mon, Nov 24 - Wed, Dec 3
American Airlines Logo
3:53 pm - 10:40 amBOS-BHD
13h 47m2 stops
American Airlines Logo
12:25 pm - 10:54 pmBHD-BOS
15h 29m2 stops
$552American Airlines
Find Deal
Mon, Nov 24 - Wed, Dec 3
British Airways Logo
8:30 am - 8:25 amBOS-BHD
19h 55m1 stop
British Airways Logo
11:30 am - 10:55 pmBHD-BOS
15h 25m1 stop
$590British Airways
Find Deal
Fri, Mar 13 - Fri, Mar 20
Multiple Airlines Logo
7:10 pm - 4:50 pmBOS-BHD
16h 40m1 stop
Multiple Airlines Logo
5:20 pm - 1:20 pmBHD-BOS
25h 00m1 stop
$607Multiple Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
American Airlines Logo
7:39 pm - 2:15 pmBOS-BHD
14h 36m2 stops
American Airlines Logo
8:45 am - 4:55 pmBHD-BOS
12h 10m1 stop
$615American Airlines
Find Deal
Fri, Mar 13 - Fri, Mar 20
British Airways Logo
7:15 pm - 2:15 pmBOS-BHD
14h 00m1 stop
British Airways Logo
5:15 pm - 7:45 pmBHD-BOS
31h 30m1 stop
$621British Airways
Find Deal
Mon, Dec 29 - Tue, Jan 6
Delta Logo
8:45 pm - 4:55 pmBOS-BHD
15h 10m2 stops
Delta Logo
6:30 am - 4:30 pmBHD-BOS
15h 00m1 stop
$716Delta
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Sun, Mar 29 - Wed, Apr 1
Delta Logo
8:45 pm - 4:55 pmBOS-BHD
15h 10m2 stops
Delta Logo
6:30 am - 4:30 pmBHD-BOS
15h 00m1 stop
$742Delta
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Sun, Mar 29 - Wed, Apr 1
Multiple Airlines Logo
6:10 pm - 6:55 pmBOS-BFS
20h 45m2 stops
Multiple Airlines Logo
8:10 pm - 7:50 pmBFS-BOS
28h 40m3 stops
$794Multiple Airlines
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Sun, Mar 15 - Sun, Mar 29

American Airlines flights from Boston to Northern Ireland

Our best American Airlines deals on Boston to Northern Ireland flight tickets
American Airlines
Nov 9
BOS7:25 pmBoston Logan Intl
9h 55m
1 stop
BHD10:20 amBelfast City
Nov 25
BHD11:25 amBelfast City
13h 20m
1 stop
BOS7:45 pmBoston Logan Intl
$534
Find similar
American Airlines
Nov 24
BOS7:15 pmBoston Logan Intl
10h 25m
1 stop
BHD10:40 amBelfast City
Dec 3
BHD6:35 amBelfast City
14h 25m
1 stop
BOS4:00 pmBoston Logan Intl
$537
Find similar
American Airlines
Nov 24
BOS3:53 pmBoston Logan Intl
13h 47m
2 stops
BHD10:40 amBelfast City
Dec 3
BHD6:35 amBelfast City
14h 25m
1 stop
BOS4:00 pmBoston Logan Intl
$542
Find similar

British Airways flights from Boston to Northern Ireland

Our best British Airways deals on Boston to Northern Ireland flight tickets
British Airways
Nov 6
BOS7:30 amBoston Logan Intl
19h 00m
1 stop
BHD7:30 amBelfast City
Nov 8
BHD6:35 amBelfast City
18h 15m
2 stops
BOS7:50 pmBoston Logan Intl
$587
Find similar
British Airways
Nov 6
BOS3:47 pmBoston Logan Intl
13h 33m
2 stops
BHD10:20 amBelfast City
Nov 8
BHD6:35 amBelfast City
18h 15m
2 stops
BOS7:50 pmBoston Logan Intl
$588
Find similar
British Airways
Mar 13
BOS8:30 amBoston Logan Intl
19h 55m
1 stop
BHD8:25 amBelfast City
Mar 20
BHD11:30 amBelfast City
15h 25m
1 stop
BOS10:55 pmBoston Logan Intl
$590
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Northern Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Boston to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 11/24

7:15 pm-10:40 am

1 stop10h 25m

Belfast City

Wed 12/3

6:35 am-4:00 pm

1 stop14h 25m

$537

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 11/24

3:53 pm-10:40 am

2 stops13h 47m

Belfast City

Wed 12/3

6:35 am-4:00 pm

1 stop14h 25m

$542

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 11/24

3:53 pm-10:40 am

2 stops13h 47m

Belfast City

Wed 12/3

12:25 pm-10:54 pm

2 stops15h 29m

$552

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 3/13

8:30 am-8:25 am

1 stop19h 55m

Belfast City

Fri 3/20

11:30 am-10:55 pm

1 stop15h 25m

$590

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 11/13

7:10 pm-4:50 pm

1 stop16h 40m

Belfast City

Mon 11/17

5:20 pm-1:20 pm

1 stop25h 00m

$607

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 3/13

7:39 pm-2:15 pm

2 stops14h 36m

Belfast City

Fri 3/20

8:45 am-4:55 pm

1 stop12h 10m

$615

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 12/29

7:15 pm-2:15 pm

1 stop14h 00m

Belfast City

Tue 1/6

5:15 pm-7:45 pm

1 stop31h 30m

$621

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 3/29

8:45 pm-4:55 pm

2 stops15h 10m

Belfast City

Wed 4/1

6:30 am-4:30 pm

1 stop15h 00m

$716

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 3/29

8:45 pm-4:55 pm

2 stops15h 10m

Belfast City

Wed 4/1

6:30 am-4:30 pm

1 stop15h 00m

$742

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 3/15

6:10 pm-6:55 pm

2 stops20h 45m

Belfast Intl

Sun 3/29

8:10 pm-7:50 pm

3 stops28h 40m

$794

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Northern Ireland from

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

What is the cheapest month to fly to Northern Ireland?

The cheapest month to fly to Northern Ireland from Boston is in September. Flight prices, which tend to average around $617, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Northern Ireland from Boston during August instead. Flights to Northern Ireland in August, while not as cheap as those in September, still average around $645.

What is the cheapest day to depart on your flight to Northern Ireland?

The cheapest day to depart on your flight to Northern Ireland is on a Wednesday when prices can be found for as low as $641. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Northern Ireland for around $968.

What is the cheapest time of day to depart on your flight to Northern Ireland?

In the afternoon is the cheapest time of day to fly from Boston to Northern Ireland when you can find flight prices for as low as $636. Flying to Northern Ireland in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive with an average ticket price of $685.

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

Direct flights

None
There are no direct flights from Boston to Northern Ireland. There are no popular flight routes from Boston to Northern Ireland.
Search flight deals

  • 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?

  • 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 AirwaysPriceFrom $538Free CancellationRating
6.7
7,494 reviews
Search British Airways flights
American AirlinesPriceFrom $565Free CancellationRating
7.2
11,036 reviews
Search American Airlines 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.

An easier way to manage your Northern Ireland 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.
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