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Northern Ireland

$305+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BFS
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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.
Sun 12/147:15 pmBOS - BHD
1 stop10h 05mMultiple Airlines
Tue 12/162:00 pmBHD - BOS
2 stops12h 55mMultiple Airlines
Deal found 12/10$1,122
This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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.
Sun 12/141:45 pmBOS - BHD
2 stops15h 35mBritish Airways
Tue 12/162:00 pmBHD - BOS
2 stops12h 55mBritish Airways
Deal found 12/10$1,240
This CheapOair deal was found by Cheapflights users on 12/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:56 pmBOS - BHD
2 stops54h 34mMultiple Airlines
Sat 1/311:35 amBHD - BOS
1 stop15h 20mMultiple Airlines
Deal found 12/10$2,826
This CheapOair deal was found by Cheapflights users on 12/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:56 pmBOS - BHD
2 stops54h 34mBritish Airways
Sat 1/39:45 amBHD - BOS
2 stops17h 13mBritish Airways
Deal found 12/10$2,828
This KLM deal was found by Cheapflights users on 12/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:10 pmBOS - BHD
1 stop16h 40mKLM
Sat 1/35:20 pmBHD - BOS
1 stop25h 10mKLM
Deal found 12/10$2,920

Find 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 December 12, 2025.

Round-trip from

$534
(Cheapflightsfares)

One-way from

$305
(Delta)

Popular in

November

Cheapest in

September

Average price

$1,221
From Boston Logan Intl to Northern Ireland
Search Deals
One-way flight from Boston Logan Intl to Northern Ireland
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($291 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($60 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 12, 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

Wed 1/7

7:30 am-9:10 am

1 stop20h 40m

Belfast City

Wed 1/14

3:40 pm-9:55 pm

1 stop11h 15m

$534

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 1/7

7:50 pm-3:30 pm

2 stops14h 40m

Belfast Intl

Wed 1/14

8:20 am-5:50 pm

2 stops14h 30m

$536

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 1/29

7:30 am-7:30 am

1 stop19h 00m

Belfast City

Mon 2/2

2:40 pm-2:20 pm

1 stop28h 40m

$600

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 1/25

7:50 pm-6:55 pm

2 stops18h 05m

Belfast Intl

Sun 2/1

5:45 am-8:10 pm

3 stops19h 25m

$673

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 1/7

7:50 pm-5:20 pm

2 stops16h 30m

Belfast City

Wed 1/14

7:00 am-5:50 pm

2 stops15h 50m

$693

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 1/1

7:30 am-7:30 am

1 stop19h 00m

Belfast City

Thu 1/8

3:05 pm-9:55 pm

1 stop11h 50m

$697

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 1/1

9:35 pm-4:40 pm

1 stop14h 05m

Belfast City

Thu 1/8

11:05 am-10:56 pm

2 stops16h 51m

$760

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 3/6

8:50 pm-9:00 pm

1 stop19h 10m

$305

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 3/6

3:51 pm-10:30 am

2 stops13h 39m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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.

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 December 12, 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
11,049 reviews

Comfort

7.2

Boarding

7.5

Food

6.5

Entertainment

6.9

Overall

7.2

Crew

8.0

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
11,049 reviews
American Airlines
7.2
Good
11,049 reviews

Comfort

7.2

Boarding

7.5

Food

6.5

Entertainment

6.9

Overall

7.2

Crew

8.0

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
7,571 reviews
American Airlines
7.2
Good
11,049 reviews

Comfort

7.2

Boarding

7.5

Food

6.5

Entertainment

6.9

Overall

7.2

Crew

8.0

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 20h 40m. There are 2981 mi between Boston and Northern Ireland.

  • 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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Alternative routes for Boston to Northern Ireland

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$542Average$708FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$565Average$694FlexibilityNo cancel feeOn-time71%

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