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Northern Ireland

$269+ 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
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
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 November 20, 2025.

Round-trip from

$536
(American Airlines)

One-way from

$269
(Cheapflightsfares)

Popular in

November

Cheapest in

September

Average price

$1,488
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. 22% potential increase in price ($242 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($61 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 20, 2025.

This American Airlines deal was found by Cheapflights users on 11/19. 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 12/87:15 pmBOS - BHD
1 stop10h 25mAmerican Airlines
Tue 12/236:35 amBHD - BOS
1 stop18h 10mAmerican Airlines
Deal found 11/19$536
This Trip.com deal was found by Cheapflights users on 11/19. 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 12/98:00 pmBOS - BFS
1 stop16h 00mMultiple Airlines
Sun 12/1411:00 amBFS - BOS
1 stop16h 15mMultiple Airlines
Deal found 11/19$581
This Trip.com deal was found by Cheapflights users on 11/19. 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 12/98:00 pmBOS - BHD
1 stop15h 15mMultiple Airlines
Sun 12/147:25 amBHD - BOS
1 stop19h 50mMultiple Airlines
Deal found 11/19$594
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Thu 11/279:35 pmBOS - BHD
1 stop11h 25mAmerican Airlines
Wed 12/36:35 amBHD - BOS
1 stop14h 25mAmerican Airlines
Deal found 11/19$601
This Booking.com deal was found by Cheapflights users on 11/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/83:35 pmBOS - BHD
2 stops14h 05mBritish Airways
Tue 12/2311:25 amBHD - BOS
1 stop15h 30mBritish Airways
Deal found 11/19$604
This Mytrip deal was found by Cheapflights users on 11/19. 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 11/2710:15 amBOS - BFS
2 stops30h 50mMultiple Airlines
Wed 12/35:30 pmBFS - BOS
2 stops31h 30mMultiple Airlines
Deal found 11/19$617
This Kiwi.com deal was found by Cheapflights users on 11/19. 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.
Mon 12/88:00 pmBOS - BFS
1 stop31h 20mMultiple Airlines
Tue 12/238:55 pmBFS - BOS
2 stops53h 00mMultiple Airlines
Deal found 11/19$680
This Ovago deal was found by Cheapflights users on 11/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:17 pmBOS - BHD
2 stops16h 28mBritish Airways
Sun 11/308:25 pmBHD - BOS
1 stop24h 45mBritish Airways
Deal found 11/19$724
This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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.
Thu 11/2710:23 amBOS - BHD
2 stops27h 27mBritish Airways
Wed 12/36:35 amBHD - BOS
2 stops15h 15mBritish Airways
Deal found 11/19$791
This Mytrip deal was found by Cheapflights users on 11/19. 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.
Wed 12/1711:35 amBOS - BFS
2 stops23h 40mMultiple Airlines
Wed 12/248:50 amBFS - BOS
3 stops34h 45mMultiple Airlines
Deal found 11/19$1,040

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 November 20, 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

Thu 3/12

8:30 am-7:30 am

1 stop19h 00m

Belfast City

Thu 3/19

9:05 am-3:20 pm

1 stop10h 15m

$578

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 12/9

8:00 pm-5:00 pm

1 stop16h 00m

Belfast Intl

Sun 12/14

11:00 am-10:15 pm

1 stop16h 15m

$581

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 3/27

7:55 pm-10:30 am

1 stop10h 35m

Belfast City

Wed 4/1

6:50 am-10:35 pm

1 stop20h 45m

$593

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 3/12

8:25 pm-10:20 am

1 stop9h 55m

Belfast City

Thu 3/19

9:05 am-4:55 pm

1 stop11h 50m

$595

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 12/8

3:35 pm-10:40 am

2 stops14h 05m

Belfast City

Tue 12/23

11:25 am-9:55 pm

1 stop15h 30m

$604

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 3/22

8:25 pm-10:20 am

1 stop9h 55m

Belfast City

Mon 3/30

9:50 am-6:55 pm

2 stops14h 05m

$620

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 3/19

8:30 am-7:30 am

1 stop19h 00m

Belfast City

Sat 3/28

11:35 am-10:55 pm

1 stop15h 20m

$624

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 1/18

7:30 am-8:25 am

1 stop19h 55m

Belfast City

Wed 1/21

12:25 pm-9:55 pm

1 stop14h 30m

$651

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 12/9

4:10 pm-11:30 am

2 stops14h 20m

Belfast City

Sun 12/14

6:30 am-4:23 pm

2 stops14h 53m

$652

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 3/19

7:39 pm-2:00 pm

2 stops14h 21m

Belfast City

Sat 3/28

6:35 am-10:55 pm

1 stop20h 20m

$664

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 24 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 $995). 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 November 20, 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
11,045 reviews

Boarding

7.5

Food

6.4

Entertainment

6.9

Overall

7.2

Comfort

7.2

Crew

8.0

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.
American Airlines
7.2
Good
11,045 reviews
American Airlines
7.2
Good
11,045 reviews

Boarding

7.5

Food

6.4

Entertainment

6.9

Overall

7.2

Comfort

7.2

Crew

8.0

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.
British Airways
6.7
Okay
7,534 reviews
American Airlines
7.2
Good
11,045 reviews

Boarding

7.5

Food

6.4

Entertainment

6.9

Overall

7.2

Comfort

7.2

Crew

8.0

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.

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 55m. 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 cheapest airlines to fly from Boston to Northern Ireland one-way?

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as $269. Users have also found prices from $310 and $343 on Delta and Aer Lingus, respectively.

  • 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 $995). 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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$538Average$676FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$565Average$694FlexibilityNo cancel feeOn-time71%

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