Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Boston to Northern Ireland from $238

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 3/23. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
8:10 pm - 3:20 pm
BOS
-
BHD
14h 10m
1 stop
American Airlines Logo
6:30 am - 1:25 pm
BHD
-
BOS
11h 55m
1 stop
$573American Airlines
Tue, Apr 28 - Tue, May 5
British Airways Logo
9:50 pm - 3:20 pm
BOS
-
BHD
12h 30m
1 stop
British Airways Logo
1:45 pm - 11:52 pm
BHD
-
BOS
15h 07m
2 stops
$575British Airways
Tue, Apr 28 - Tue, May 5
British Airways Logo
9:50 pm - 3:30 pm
BOS
-
BHD
12h 40m
1 stop
British Airways Logo
7:35 pm - 4:55 pm
BHD
-
BOS
26h 20m
1 stop
$589British Airways
Mon, Apr 6 - Mon, Apr 13
British Airways Logo
3:05 pm - 10:45 am
BOS
-
BHD
14h 40m
2 stops
British Airways Logo
9:40 am - 6:48 pm
BHD
-
BOS
14h 08m
2 stops
$590British Airways
Tue, Apr 28 - Tue, May 5
Multiple Airlines Logo
12:35 pm - 8:25 pm
BOS
-
BFS
27h 50m
2 stops
Multiple Airlines Logo
7:05 am - 6:50 pm
BFS
-
BOS
15h 45m
2 stops
$618Multiple Airlines
Thu, Mar 19 - Thu, Mar 26
Multiple Airlines Logo
9:15 pm - 11:05 pm
BOS
-
BFS
20h 50m
2 stops
Multiple Airlines Logo
6:30 am - 6:50 pm
BFS
-
BOS
17h 20m
2 stops
$619Multiple Airlines
Mon, Apr 6 - Mon, Apr 13
British Airways Logo
9:50 pm - 3:30 pm
BOS
-
BHD
12h 40m
1 stop
British Airways Logo
3:20 pm - 4:55 pm
BHD
-
BOS
30h 35m
1 stop
$646British Airways
Fri, May 8 - Mon, May 18
British Airways Logo
7:25 am - 8:50 am
BOS
-
BHD
20h 25m
1 stop
British Airways Logo
9:40 am - 11:52 pm
BHD
-
BOS
19h 12m
2 stops
$647British Airways
Mon, Apr 6 - Mon, Apr 13
Multiple Airlines Logo
11:00 pm - 7:05 am
BOS
-
BFS
27h 05m
2 stops
Multiple Airlines Logo
9:10 am - 9:05 pm
BFS
-
BOS
16h 55m
1 stop
$651Multiple Airlines
Mon, Apr 6 - Mon, Apr 13
British Airways Logo
9:50 pm - 3:30 pm
BOS
-
BHD
12h 40m
1 stop
British Airways Logo
7:35 pm - 6:48 pm
BHD
-
BOS
28h 13m
2 stops
$664British Airways
Fri, May 8 - Mon, May 18

American Airlines flights from Boston to Northern Ireland

Our best American Airlines deals on Boston to Northern Ireland flight tickets
American Airlines
Apr 28
BOS8:10 pmBoston Logan Intl
14h 10m
1 stop
BHD3:20 pmBelfast City
May 5
BHD6:30 amBelfast City
11h 55m
1 stop
BOS1:25 pmBoston Logan Intl
$573
American Airlines
Jul 19
BOS9:20 pmBoston Logan Intl
16h 25m
2 stops
BHD6:45 pmBelfast City
Jul 28
BHD6:30 amBelfast City
20h 30m
2 stops
BOS10:00 pmBoston Logan Intl
$881
American Airlines
Jul 14
BOS9:50 pmBoston Logan Intl
12h 30m
1 stop
BHD3:20 pmBelfast City
Jul 29
BHD6:30 amBelfast City
14h 10m
2 stops
BOS3:40 pmBoston Logan Intl
$883

British Airways flights from Boston to Northern Ireland

Our best British Airways deals on Boston to Northern Ireland flight tickets
British Airways
Apr 28
BOS9:50 pmBoston Logan Intl
12h 30m
1 stop
BHD3:20 pmBelfast City
May 5
BHD1:45 pmBelfast City
15h 07m
2 stops
BOS11:52 pmBoston Logan Intl
$575
British Airways
Apr 6
BOS9:50 pmBoston Logan Intl
12h 40m
1 stop
BHD3:30 pmBelfast City
Apr 13
BHD7:35 pmBelfast City
26h 20m
1 stop
BOS4:55 pmBoston Logan Intl
$589
British Airways
Apr 28
BOS3:05 pmBoston Logan Intl
14h 40m
2 stops
BHD10:45 amBelfast City
May 5
BHD9:40 amBelfast City
14h 08m
2 stops
BOS6:48 pmBoston Logan Intl
$590

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 February 3, 2026.
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

Tue 4/28

8:10 pm-3:20 pm

1 stop14h 10m

Belfast City

Tue 5/5

6:30 am-1:25 pm

1 stop11h 55m

$573

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 4/28

9:50 pm-3:20 pm

1 stop12h 30m

Belfast City

Tue 5/5

1:45 pm-11:52 pm

2 stops15h 07m

$575

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 4/6

9:50 pm-3:30 pm

1 stop12h 40m

Belfast City

Mon 4/13

7:35 pm-4:55 pm

1 stop26h 20m

$589

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 4/28

3:05 pm-10:45 am

2 stops14h 40m

Belfast City

Tue 5/5

9:40 am-6:48 pm

2 stops14h 08m

$590

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Thu 3/19

12:35 pm-8:25 pm

2 stops27h 50m

Belfast Intl

Thu 3/26

7:05 am-6:50 pm

2 stops15h 45m

$618

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 4/6

9:15 pm-11:05 pm

2 stops20h 50m

Belfast Intl

Mon 4/13

6:30 am-6:50 pm

2 stops17h 20m

$619

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 5/8

9:50 pm-3:30 pm

1 stop12h 40m

Belfast City

Mon 5/18

3:20 pm-4:55 pm

1 stop30h 35m

$646

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 4/6

7:25 am-8:50 am

1 stop20h 25m

Belfast City

Mon 4/13

9:40 am-11:52 pm

2 stops19h 12m

$647

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 4/6

11:00 pm-7:05 am

2 stops27h 05m

Belfast Intl

Mon 4/13

9:10 am-9:05 pm

1 stop16h 55m

$651

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 5/8

9:50 pm-3:30 pm

1 stop12h 40m

Belfast City

Mon 5/18

7:35 pm-6:48 pm

2 stops28h 13m

$664

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 August instead. Flights to Northern Ireland in August, while not as cheap as those in September, still average around $620.

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 35m

Direct flights

None
The fastest flight from Boston to Northern Ireland takes 9h 35m
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
7,712 reviews
Search British Airways flights
American AirlinesPriceFrom $565Free CancellationRating
7.2
11,218 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 3/5
Thu 3/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Northern Ireland

Popular cities in Northern Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Londonfrom $323
Flights to Manchesterfrom $362
Flights to Edinburghfrom $351
Flights to Birminghamfrom $391
Flights to Glasgowfrom $394
Flights to Newcastle upon Tynefrom $451
Flights to Belfastfrom $470
Flights to Bristolfrom $510
Flights to Invernessfrom $423
Flights to Liverpoolfrom $393
Flights to Aberdeenfrom $492
Flights to Leedsfrom $451