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Northern Ireland

$231+ Cheap flights from Boston (BOS) to Northern Ireland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BFS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Boston to Northern Ireland

Keep the following information in mind while searching for Boston to Northern Ireland flight deals. Data was last updated October 30, 2025.

Round-trip from

$559
(Air France)

One-way from

$231
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$665
From Boston Logan Intl to Northern Ireland
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One-way flight from Boston Logan Intl to Northern Ireland
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Highest demand for flights based on searches. 11% potential increase in price ($95 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Boston to Northern Ireland

Cheapest flights from Boston to Northern Ireland
Explore the most affordable flight options available from Boston to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Air France deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/108:50 pmBOS - BHD
1 stop19h 10mKLM
Mon 11/175:20 pmBHD - BOS
1 stop25h 00mKLM
Deal found 10/29$559
This Air France deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:10 pmBOS - BHD
1 stop16h 40mMultiple Airlines
Tue 12/166:30 amBHD - BOS
2 stops14h 41mMultiple Airlines
Deal found 10/29$569
This FlightHub deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/49:35 pmBOS - BHD
1 stop14h 10mBritish Airways
Thu 11/63:05 pmBHD - BOS
2 stops29h 10mBritish Airways
Deal found 10/29$588
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/123:47 pmBOS - BHD
2 stops13h 28mAmerican Airlines
Mon 11/176:35 amBHD - BOS
1 stop14h 35mAmerican Airlines
Deal found 10/29$593
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/103:47 pmBOS - BHD
2 stops13h 53mAmerican Airlines
Mon 11/179:15 amBHD - BOS
1 stop11h 55mAmerican Airlines
Deal found 10/29$594
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/58:50 pmBOS - BHD
1 stop15h 00mDelta
Sun 11/95:20 pmBHD - BOS
1 stop25h 00mDelta
Deal found 10/29$609
This FlightHub deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1011:56 amBOS - BHD
2 stops17h 44mBritish Airways
Mon 11/177:25 pmBHD - BOS
2 stops25h 25mBritish Airways
Deal found 10/29$616
This Trip.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:35 pmBOS - BHD
1 stop12h 15mBritish Airways
Mon 1/57:25 pmBHD - BOS
1 stop31h 30mBritish Airways
Deal found 10/29$619
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/121:10 pmBOS - BHD
2 stops22h 40mDelta
Mon 11/176:30 amBHD - BOS
2 stops17h 44mDelta
Deal found 10/29$623
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:50 pmBOS - BFS
2 stops20h 20mMultiple Airlines
Tue 12/168:10 amBFS - BOS
3 stops35h 25mMultiple Airlines
Deal found 10/29$637
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:50 pmBOS - BFS
2 stops21h 15mMultiple Airlines
Mon 12/88:40 amBFS - BOS
2 stops14h 10mMultiple Airlines
Deal found 10/29$649
This FlightHub deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:55 pmBOS - BHD
1 stop10h 25mBritish Airways
Mon 11/177:25 pmBHD - BOS
2 stops25h 56mBritish Airways
Deal found 10/29$652

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Boston to Northern Ireland that are best for you.

Fly from

Boston

Fly to

Northern Ireland

Route

Depart

Return

Price

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 11/10

8:50 pm-9:00 pm

1 stop19h 10m

Belfast City

Mon 11/17

5:20 pm-1:20 pm

1 stop25h 00m

$559

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 12/1

7:10 pm-4:50 pm

1 stop16h 40m

Belfast City

Tue 12/16

6:30 am-1:20 pm

1 stop11h 50m

$559

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 11/12

8:50 pm-9:00 pm

1 stop19h 10m

Belfast City

Mon 11/17

5:20 pm-1:20 pm

1 stop25h 00m

$559

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 11/12

3:47 pm-10:15 am

2 stops13h 28m

Belfast City

Mon 11/17

6:35 am-4:10 pm

1 stop14h 35m

$593

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 11/10

3:47 pm-10:40 am

2 stops13h 53m

Belfast City

Mon 11/17

9:15 am-4:10 pm

1 stop11h 55m

$594

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

$609

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 11/10

11:56 am-10:40 am

2 stops17h 44m

Belfast City

Mon 11/17

7:25 pm-3:50 pm

2 stops25h 25m

$616

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sat 3/14

7:39 pm-2:15 pm

2 stops14h 36m

Belfast City

Sun 3/22

12:10 pm-8:45 pm

1 stop12h 35m

$617

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 12/30

9:35 pm-2:50 pm

1 stop12h 15m

Belfast City

Mon 1/5

7:25 pm-9:55 pm

1 stop31h 30m

$619

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 11/12

1:10 pm-4:50 pm

2 stops22h 40m

Belfast City

Mon 11/17

6:30 am-7:14 pm

2 stops17h 44m

$623

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 27 results
1
2
3

Best time to book a flight from Boston to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Northern Ireland

What is the cheapest month to book a flight from Boston to Northern Ireland?

Currently, September is the cheapest month in which you can book a flight from Boston to Northern Ireland (average of $534). Flying from Boston to Northern Ireland in December is currently the most expensive (average of $994). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Northern Ireland. Reviews last updated October 30, 2025.
Peruse reviews from past customers who have flown with American Airlines and British Airways from Boston to Northern Ireland to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,030 reviews

Comfort

7.2

Boarding

7.5

Food

6.4

Overall

7.2

Entertainment

6.9

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
11,030 reviews
American Airlines
7.2
Good
11,030 reviews

Comfort

7.2

Boarding

7.5

Food

6.4

Overall

7.2

Entertainment

6.9

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
British Airways
6.7
Okay
7,487 reviews
American Airlines
7.2
Good
11,030 reviews

Comfort

7.2

Boarding

7.5

Food

6.4

Overall

7.2

Entertainment

6.9

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

Find useful and relevant information for your journey from Boston to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to Northern Ireland?

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Boston to Northern Ireland.

  • How long is the flight from Boston to Northern Ireland?

    Departing from Boston to Northern Ireland will take you 13h 28m. There are 2981 mi between Boston and Northern Ireland. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Boston to Northern Ireland?

    When deciding which route to take from Boston to Northern Ireland consider Boston Logan Intl - Belfast Intl, Boston Logan Intl - Belfast City or Boston Logan Intl - Campbeltown Machrihanish as they are the most popular.

  • Can I find deals for flights from Boston to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on Boston to Northern Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Northern Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Northern Ireland.

  • Can I find deals for business class flights from Boston to Northern Ireland?

    Yes. Cheapflights offers flight deals from Boston to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Northern Ireland?

    Currently, September is the cheapest month in which you can book a flight from Boston to Northern Ireland (average of $534). Flying from Boston to Northern Ireland in December is currently the most expensive (average of $994). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Boston to Northern Ireland

Discover the top 2 airlines that operate flights from Boston to Northern Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$538Average$676FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$565Average$694FlexibilityNo cancel feeOn-time71%

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