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Cheap flights from Boston to Northern Ireland from $223

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 4/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Multiple Airlines Logo
7:15 pm - 1:55 pm
BOS
-
BHD
13h 40m1 stop
Multiple Airlines Logo
10:00 am - 4:15 pm
BHD
-
BOS
11h 15m1 stop
$548Multiple Airlines
Sun, Jan 11 - Tue, Jan 27
Multiple Airlines Logo
3:35 pm - 10:20 am
BOS
-
BHD
13h 45m2 stops
Multiple Airlines Logo
6:35 am - 4:15 pm
BHD
-
BOS
14h 40m1 stop
$551Multiple Airlines
Sun, Jan 11 - Tue, Jan 27
American Airlines Logo
3:35 pm - 10:20 am
BOS
-
BHD
13h 45m2 stops
American Airlines Logo
6:35 am - 4:15 pm
BHD
-
BOS
14h 40m1 stop
$553American Airlines
Sun, Jan 11 - Tue, Jan 27
American Airlines Logo
7:35 pm - 1:55 pm
BOS
-
BHD
13h 20m2 stops
American Airlines Logo
6:35 am - 3:48 pm
BHD
-
BOS
14h 13m2 stops
$563American Airlines
Sun, Jan 11 - Tue, Jan 27
Multiple Airlines Logo
7:50 pm - 6:15 pm
BOS
-
BFS
17h 25m2 stops
Multiple Airlines Logo
6:30 am - 5:50 pm
BFS
-
BOS
16h 20m2 stops
$569Multiple Airlines
Sun, Jan 11 - Tue, Jan 27
British Airways Logo
9:35 pm - 2:15 pm
BOS
-
BHD
11h 40m1 stop
British Airways Logo
8:45 am - 7:45 pm
BHD
-
BOS
16h 00m1 stop
$581British Airways
Fri, Jan 23 - Fri, Jan 30
Multiple Airlines Logo
8:00 pm - 6:15 pm
BOS
-
BFS
17h 15m1 stop
Multiple Airlines Logo
6:00 am - 4:00 pm
BFS
-
BOS
15h 00m1 stop
$586Multiple Airlines
Sun, Jan 11 - Tue, Jan 27
British Airways Logo
3:35 pm - 10:30 am
BOS
-
BHD
13h 55m2 stops
British Airways Logo
8:45 am - 7:45 pm
BHD
-
BOS
16h 00m1 stop
$596British Airways
Fri, Jan 23 - Fri, Jan 30
British Airways Logo
7:35 pm - 2:15 pm
BOS
-
BHD
13h 40m2 stops
British Airways Logo
8:45 am - 7:33 pm
BHD
-
BOS
15h 48m2 stops
$599British Airways
Fri, Jan 23 - Fri, Jan 30
British Airways Logo
7:30 am - 10:20 am
BOS
-
BHD
21h 50m1 stop
British Airways Logo
5:45 pm - 2:20 pm
BHD
-
BOS
25h 35m1 stop
$600British Airways
Thu, Jan 29 - Mon, Feb 2

American Airlines flights from Boston to Northern Ireland

Our best American Airlines deals on Boston to Northern Ireland flight tickets
American Airlines
Jan 11
BOS7:15 pmBoston Logan Intl
10h 05m
1 stop
BHD10:20 amBelfast City
Jan 27
BHD6:35 amBelfast City
14h 40m
1 stop
BOS4:15 pmBoston Logan Intl
$548
Find similar
American Airlines
Jan 11
BOS3:35 pmBoston Logan Intl
13h 45m
2 stops
BHD10:20 amBelfast City
Jan 27
BHD6:35 amBelfast City
14h 40m
1 stop
BOS4:15 pmBoston Logan Intl
$553
Find similar
American Airlines
Jan 11
BOS7:35 pmBoston Logan Intl
13h 20m
2 stops
BHD1:55 pmBelfast City
Jan 27
BHD6:35 amBelfast City
14h 13m
2 stops
BOS3:48 pmBoston Logan Intl
$563
Find similar

British Airways flights from Boston to Northern Ireland

Our best British Airways deals on Boston to Northern Ireland flight tickets
British Airways
Jan 23
BOS9:35 pmBoston Logan Intl
11h 40m
1 stop
BHD2:15 pmBelfast City
Jan 30
BHD8:45 amBelfast City
16h 00m
1 stop
BOS7:45 pmBoston Logan Intl
$581
Find similar
British Airways
Jan 23
BOS3:35 pmBoston Logan Intl
13h 55m
2 stops
BHD10:30 amBelfast City
Jan 30
BHD8:45 amBelfast City
16h 00m
1 stop
BOS7:45 pmBoston Logan Intl
$596
Find similar
British Airways
Jan 23
BOS7:35 pmBoston Logan Intl
13h 40m
2 stops
BHD2:15 pmBelfast City
Jan 30
BHD8:45 amBelfast City
15h 48m
2 stops
BOS7:33 pmBoston Logan Intl
$599
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 December 18, 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

Sun 1/11

7:15 pm-1:55 pm

1 stop13h 40m

Belfast City

Tue 1/27

10:00 am-4:15 pm

1 stop11h 15m

$548

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 1/11

3:35 pm-10:20 am

2 stops13h 45m

Belfast City

Tue 1/27

6:35 am-4:15 pm

1 stop14h 40m

$551

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 1/11

3:35 pm-10:20 am

2 stops13h 45m

Belfast City

Tue 1/27

6:35 am-4:15 pm

1 stop14h 40m

$553

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 1/11

7:35 pm-1:55 pm

2 stops13h 20m

Belfast City

Tue 1/27

6:35 am-3:48 pm

2 stops14h 13m

$563

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 1/11

7:50 pm-6:15 pm

2 stops17h 25m

Belfast Intl

Tue 1/27

6:30 am-5:50 pm

2 stops16h 20m

$569

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 1/23

9:35 pm-2:15 pm

1 stop11h 40m

Belfast City

Fri 1/30

8:45 am-7:45 pm

1 stop16h 00m

$581

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 1/11

8:00 pm-6:15 pm

1 stop17h 15m

Belfast Intl

Tue 1/27

6:00 am-4:00 pm

1 stop15h 00m

$586

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 1/23

3:35 pm-10:30 am

2 stops13h 55m

Belfast City

Fri 1/30

8:45 am-7:45 pm

1 stop16h 00m

$596

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 1/23

7:35 pm-2:15 pm

2 stops13h 40m

Belfast City

Fri 1/30

8:45 am-7:33 pm

2 stops15h 48m

$599

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 1/29

7:30 am-10:20 am

1 stop21h 50m

Belfast City

Mon 2/2

5:45 pm-2:20 pm

1 stop25h 35m

$600

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 $614, 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 March instead. Flights to Northern Ireland in March, while not as cheap as those in September, still average around $641.

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

Fastest flight time

9h 15m

Direct flights

None
The fastest flight from Boston to Northern Ireland takes 9h 15m
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 $542Free CancellationRating
6.7
7,585 reviews
Search British Airways flights
American AirlinesPriceFrom $565Free CancellationRating
7.2
11,055 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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Find better results for your trip to Northern Ireland

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