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Cheap flights from Boston to Northern Ireland from $265

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 11/8. 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

British Airways Logo
8:05 pm - 3:05 pmBOS-BHD
14h 00m1 stop
British Airways Logo
4:15 pm - 10:40 pmBHD-BOS
11h 25m1 stop
$519British Airways
Find Deal
Sat, Oct 4 - Sat, Oct 11
British Airways Logo
8:05 pm - 12:55 pmBOS-BHD
11h 50m1 stop
British Airways Logo
6:50 am - 7:50 pmBHD-BOS
18h 00m2 stops
$529British Airways
Find Deal
Mon, Sep 22 - Sun, Sep 28
British Airways Logo
6:30 am - 8:50 amBOS-BHD
21h 20m2 stops
British Airways Logo
8:20 pm - 3:00 pmBHD-BOS
23h 40m2 stops
$534British Airways
Find Deal
Fri, Sep 26 - Tue, Sep 30
British Airways Logo
8:10 pm - 1:05 pmBOS-BHD
11h 55m1 stop
British Airways Logo
6:30 pm - 11:25 amBHD-BOS
21h 55m1 stop
$535British Airways
Find Deal
Sun, Aug 17 - Sun, Aug 24
British Airways Logo
6:32 am - 8:50 amBOS-BHD
21h 18m2 stops
British Airways Logo
8:15 pm - 11:15 amBHD-BOS
20h 00m1 stop
$539British Airways
Find Deal
Wed, Aug 27 - Wed, Sep 3
British Airways Logo
6:32 am - 8:50 amBOS-BHD
21h 18m2 stops
British Airways Logo
8:15 pm - 11:15 amBHD-BOS
20h 00m1 stop
$541British Airways
Find Deal
Wed, Aug 27 - Wed, Sep 3
British Airways Logo
4:50 pm - 12:55 pmBOS-BHD
15h 05m2 stops
British Airways Logo
6:50 am - 7:50 pmBHD-BOS
18h 00m2 stops
$542British Airways
Find Deal
Mon, Sep 22 - Sun, Sep 28
British Airways Logo
6:30 am - 8:50 amBOS-BHD
21h 20m2 stops
British Airways Logo
6:50 am - 7:50 pmBHD-BOS
18h 00m2 stops
$543British Airways
Find Deal
Mon, Sep 22 - Sun, Sep 28
Logo
9:35 pm - 4:45 pmBOS-BHD
14h 10m1 stop
Logo
12:10 pm - 10:46 pmBHD-BOS
15h 36m2 stops
$577
Find Deal
Tue, Nov 25 - Sun, Nov 30
Logo
8:00 pm - 9:30 pmBOS-BFS
20h 30m2 stops
Logo
8:55 am - 5:45 pmBFS-BOS
37h 50m2 stops
$582
Find Deal
Tue, Nov 25 - Sun, Nov 30

British Airways flights from Boston to Northern Ireland

Our best British Airways deals on Boston to Northern Ireland flight tickets
British Airways
Oct 4
BOS8:05 pmBoston Logan Intl
14h 00m
1 stop
BHD3:05 pmBelfast City
Oct 11
BHD4:15 pmBelfast City
11h 25m
1 stop
BOS10:40 pmBoston Logan Intl
$519
Find similar
British Airways
Sep 22
BOS8:05 pmBoston Logan Intl
11h 50m
1 stop
BHD12:55 pmBelfast City
Sep 28
BHD6:50 amBelfast City
18h 00m
2 stops
BOS7:50 pmBoston Logan Intl
$529
Find similar
British Airways
Sep 26
BOS6:30 amBoston Logan Intl
21h 20m
2 stops
BHD8:50 amBelfast City
Sep 30
BHD8:20 pmBelfast City
23h 40m
2 stops
BOS3:00 pmBoston Logan Intl
$534
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 August 2, 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

Sat 10/4

8:05 pm-3:05 pm

1 stop14h 00m

Belfast City

Sat 10/11

4:15 pm-10:40 pm

1 stop11h 25m

$519

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 9/22

8:05 pm-12:55 pm

1 stop11h 50m

Belfast City

Sun 9/28

6:50 am-7:50 pm

2 stops18h 00m

$529

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 9/26

6:30 am-8:50 am

2 stops21h 20m

Belfast City

Tue 9/30

8:20 pm-3:00 pm

2 stops23h 40m

$534

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 8/17

8:10 pm-1:05 pm

1 stop11h 55m

Belfast City

Sun 8/24

6:30 pm-11:25 am

1 stop21h 55m

$535

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 8/27

6:32 am-8:50 am

2 stops21h 18m

Belfast City

Wed 9/3

8:15 pm-11:15 am

1 stop20h 00m

$539

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 8/27

6:32 am-8:50 am

2 stops21h 18m

Belfast City

Wed 9/3

8:15 pm-11:15 am

1 stop20h 00m

$541

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 9/22

4:50 pm-12:55 pm

2 stops15h 05m

Belfast City

Sun 9/28

6:50 am-7:50 pm

2 stops18h 00m

$542

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 9/22

6:30 am-8:50 am

2 stops21h 20m

Belfast City

Sun 9/28

6:50 am-7:50 pm

2 stops18h 00m

$543

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 11/25

9:35 pm-4:45 pm

1 stop14h 10m

Belfast City

Sun 11/30

12:10 pm-10:46 pm

2 stops15h 36m

$577

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 11/25

8:00 pm-9:30 pm

2 stops20h 30m

Belfast Intl

Sun 11/30

8:55 am-5:45 pm

2 stops37h 50m

$582

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 February. Flight prices, which tend to average around $588, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Northern Ireland from Boston during September instead. Flights to Northern Ireland in September, while not as cheap as those in February, still average around $651.

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

Best Price Found

$265

Fastest flight time

10h 05m

Direct flights

None

Airports in Northern Ireland

2 airports
The best one-way flight to Northern Ireland from Boston in the past 72 hours is $265. The best round-trip flight deal from Boston to Northern Ireland found on momondo in the last 72 hours is $519.
The fastest flight from Boston to Northern Ireland takes 10h 05m
There are no direct flights from Boston to Northern Ireland. Popular non-direct routes for this connection are Boston Logan Intl Airport - Belfast City Airport and Boston Logan Intl Airport - Belfast Intl Airport.
There are 2 airports near Northern Ireland: Belfast Intl (BFS), Belfast City (BHD)
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 $565Free CancellationRating
6.6
7,224 reviews
Search British Airways flights
American AirlinesPriceFrom $586Free CancellationRating
7.2
10,000 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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