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Northern Ireland

$263+ 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BFS
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
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 January 6, 2026.

Round-trip from

$506
(American Airlines)

One-way from

$263
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$695
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. 26% potential increase in price ($295 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($61 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 6, 2026.

This American Airlines deal was found by Cheapflights users on 1/6. 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 2/47:15 pmBOS - BHD
1 stop10h 00mAmerican Airlines
Wed 2/116:35 amBHD - BOS
2 stops15h 15mAmerican Airlines
Deal found 1/6$506
This Cheapflightsfares deal was found by Cheapflights users on 1/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/46:55 pmBOS - BHD
1 stop9h 15mBritish Airways
Wed 2/119:15 amBHD - BOS
1 stop15h 30mBritish Airways
Deal found 1/6$510
This Cheapflightsfares deal was found by Cheapflights users on 1/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/26:55 pmBOS - BHD
1 stop10h 45mBritish Airways
Mon 2/96:50 pmBHD - BOS
2 stops24h 05mBritish Airways
Deal found 1/6$511
This oojo deal was found by Cheapflights users on 1/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/33:49 pmBOS - BHD
2 stops13h 41mBritish Airways
Mon 3/96:00 pmBHD - BOS
2 stops32h 48mBritish Airways
Deal found 1/6$512
This Cheapflightsfares deal was found by Cheapflights users on 1/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/89:50 pmBOS - BHD
1 stop12h 45mBritish Airways
Tue 4/144:25 pmBHD - BOS
1 stop11h 10mBritish Airways
Deal found 1/4$552
This oojo deal was found by Cheapflights users on 1/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:52 pmBOS - BHD
2 stops13h 38mBritish Airways
Tue 11/248:45 amBHD - BOS
1 stop10h 35mBritish Airways
Deal found 1/4$564
This Mytrip deal was found by Cheapflights users on 1/4. 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.
Fri 1/307:50 pmBOS - BFS
3 stops21h 55mMultiple Airlines
Thu 2/56:30 amBFS - BOS
3 stops35h 19mMultiple Airlines
Deal found 1/4$686
This Mytrip deal was found by Cheapflights users on 1/4. 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.
Fri 1/307:50 pmBOS - BFS
3 stops21h 55mMultiple Airlines
Sat 2/710:25 pmBFS - BOS
3 stops26h 45mMultiple Airlines
Deal found 1/4$714
This Mytrip deal was found by Cheapflights users on 1/5. 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.
Sun 2/87:50 pmBOS - BFS
2 stops16h 10mMultiple Airlines
Wed 2/187:40 amBFS - BOS
3 stops41h 30mMultiple Airlines
Deal found 1/5$722
This Kiwi.com deal was found by Cheapflights users on 1/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:30 pmBOS - BFS
2 stops10h 40mMultiple Airlines
Mon 6/2910:30 amBFS - BOS
1 stop15h 15mMultiple Airlines
Deal found 1/3$1,188
This Kiwi.com deal was found by Cheapflights users on 1/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/205:30 pmBOS - BFS
2 stops13h 25mMultiple Airlines
Mon 6/2910:30 amBFS - BOS
1 stop15h 15mMultiple Airlines
Deal found 1/3$1,396

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 January 6, 2026.
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

Wed 2/4

7:15 pm-10:15 am

1 stop10h 00m

Belfast City

Wed 2/11

6:35 am-4:50 pm

2 stops15h 15m

$506

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 2/4

6:55 pm-9:10 am

1 stop9h 15m

Belfast City

Wed 2/11

9:15 am-7:45 pm

1 stop15h 30m

$510

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 2/2

6:55 pm-10:40 am

1 stop10h 45m

Belfast City

Mon 2/9

6:50 pm-1:55 pm

2 stops24h 05m

$511

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 3/3

6:55 pm-10:30 am

1 stop10h 35m

Belfast City

Mon 3/9

7:25 pm-3:20 pm

1 stop23h 55m

$520

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 4/8

9:50 pm-3:35 pm

1 stop12h 45m

Belfast City

Tue 4/14

4:25 pm-10:35 pm

1 stop11h 10m

$552

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 5/17

7:25 am-9:05 am

1 stop20h 40m

Belfast City

Sun 5/31

6:50 am-8:10 pm

1 stop18h 20m

$636

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 1/30

1:00 pm-4:50 pm

2 stops22h 50m

Belfast City

Sat 2/7

5:20 pm-1:25 pm

1 stop25h 05m

$677

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 1/30

7:50 pm-10:00 pm

2 stops21h 10m

Belfast Intl

Thu 2/5

6:30 am-12:49 pm

3 stops35h 19m

$694

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 2/8

7:50 pm-5:00 pm

2 stops16h 10m

Belfast Intl

Wed 2/18

7:40 am-8:10 pm

3 stops41h 30m

$722

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 1/30

7:50 pm-3:10 pm

2 stops14h 20m

Belfast Intl

Sat 2/7

10:25 pm-2:35 pm

3 stops45h 10m

$724

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/4

Showing 1-10 of 23 results
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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 $1,015). 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.

How much does it cost to fly round-trip from Boston to Northern Ireland?

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 January 6, 2026.
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
11,083 reviews

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Overall

7.2

Crew

8.0

Food

6.4

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,083 reviews
American Airlines
7.2
Good
11,083 reviews

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Overall

7.2

Crew

8.0

Food

6.4

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
British Airways
6.7
Okay
7,657 reviews
American Airlines
7.2
Good
11,083 reviews

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Overall

7.2

Crew

8.0

Food

6.4

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

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 9h 15m. 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 $1,015). 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 January 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$542Average$719FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$565Average$694FlexibilityNo cancel feeOn-time71%

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