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Cheap flights from Boston to Northern Ireland from £200

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BFS
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

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 30 October 2025.

Round-trip from

£412

One-way from

£200

Popular in

December

Cheapest in

September

Average price

£503
British Airways
  • British Airways
  • 1/3-10/3
  • 2 total stops
  • 25h 50m total
  • Boston to Northern Ireland
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1/2
  • 1/2
  • 2 total stops
  • 22h 20m total
  • Boston to Northern Ireland
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£54 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Boston to Northern Ireland

Enter your travel dates to find the best prices.

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 30 October 2025.

Sun 9/1119:10BOS - BHD
1 stop16h 40mDelta
Tue 25/1106:30BHD - BOS
1 stop11h 50mDelta
Deal found 28/10£423
Sun 9/1119:10BOS - BHD
1 stop20h 50mKLM
Tue 25/1106:30BHD - BOS
2 stops14h 44mKLM
Deal found 28/10£427
Mon 1/1219:10BOS - BHD
1 stop16h 40mMultiple Airlines
Tue 16/1206:30BHD - BOS
2 stops14h 41mMultiple Airlines
Deal found 29/10£430
Tue 4/1121:35BOS - BHD
1 stop14h 10mBritish Airways
Thu 6/1115:05BHD - BOS
2 stops29h 10mBritish Airways
Deal found 29/10£445
Fri 12/1219:15BOS - BHD
1 stop10h 15mAmerican Airlines
Fri 19/1206:45BHD - BOS
1 stop14h 15mAmerican Airlines
Deal found 28/10£445
Wed 12/1115:47BOS - BHD
2 stops13h 28mAmerican Airlines
Mon 17/1106:35BHD - BOS
1 stop14h 35mAmerican Airlines
Deal found 29/10£448
Mon 10/1115:47BOS - BHD
2 stops13h 53mAmerican Airlines
Mon 17/1109:15BHD - BOS
1 stop11h 55mAmerican Airlines
Deal found 29/10£449
Wed 5/1120:50BOS - BHD
1 stop15h 00mDelta
Sun 9/1117:20BHD - BOS
1 stop25h 00mDelta
Deal found 29/10£461
Sun 9/1115:47BOS - BHD
2 stops13h 33mBritish Airways
Tue 25/1108:45BHD - BOS
2 stops15h 02mBritish Airways
Deal found 28/10£464
Mon 10/1111:56BOS - BHD
2 stops17h 44mBritish Airways
Mon 17/1119:25BHD - BOS
2 stops25h 25mBritish Airways
Deal found 29/10£466
Tue 30/1221:35BOS - BHD
1 stop12h 15mBritish Airways
Mon 5/119:25BHD - BOS
1 stop31h 30mBritish Airways
Deal found 29/10£468
Wed 12/1113:10BOS - BHD
2 stops22h 40mDelta
Mon 17/1106:30BHD - BOS
2 stops17h 44mDelta
Deal found 29/10£471

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 30 October 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

Sun 1/3

15:45-10:20

2 stops13h 35m

Belfast City

Tue 10/3

06:35-16:55

1 stop14h 20m

£418

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 10/11

20:50-21:00

1 stop19h 10m

Belfast City

Mon 17/11

17:20-13:20

1 stop25h 00m

£423

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 1/12

19:10-16:50

1 stop16h 40m

Belfast City

Tue 16/12

06:30-13:20

1 stop11h 50m

£423

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 9/11

19:10-16:50

1 stop16h 40m

Belfast City

Tue 25/11

06:30-13:20

1 stop11h 50m

£423

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 12/11

20:50-21:00

1 stop19h 10m

Belfast City

Mon 17/11

17:20-13:20

1 stop25h 00m

£423

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 12/12

19:15-10:30

1 stop10h 15m

Belfast City

Fri 19/12

06:45-16:00

1 stop14h 15m

£445

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 12/11

15:47-10:15

2 stops13h 28m

Belfast City

Mon 17/11

06:35-16:10

1 stop14h 35m

£448

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 10/11

15:47-10:40

2 stops13h 53m

Belfast City

Mon 17/11

09:15-16:10

1 stop11h 55m

£449

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 13/11

19:10-16:50

1 stop16h 40m

Belfast City

Mon 17/11

17:20-13:20

1 stop25h 00m

£461

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 9/11

15:47-10:20

2 stops13h 33m

Belfast City

Tue 25/11

08:45-18:47

2 stops15h 02m

£464

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 24 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 return 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 £404). Flying from Boston to Northern Ireland in December is currently the most expensive (average of £752). 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.

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?

    For a flight from Boston to Northern Ireland, you will be flying from Logan Intl. Boston Logan Intl (BOS) is just 2.6 mi from the center of the city.

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

    Airlines like American Airlines, KLM, and Delta fly from Boston to Northern Ireland in about 13h 35m. The time it takes to get you to your destination can typically vary by up to 5h 35m. The distance from Boston to Northern Ireland is about 2981 mi. This flight may include one or multiple stops.

  • 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 holiday 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 £404). Flying from Boston to Northern Ireland in December is currently the most expensive (average of £752). 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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How does Cheapflights help users find flights from Boston to Northern Ireland?

When you search for this flight from Boston to Northern Ireland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Boston to Northern Ireland.

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Yes! Cheapflights helps users easily find flights from Boston to Northern Ireland with no change fees.

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