Cheap flights from Boston to Northern Ireland from £195

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 26/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BFS
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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 15 September 2025.

Round-trip from

£417

One-way from

£195

Popular in

December

Cheapest in

September

Average price

£459
20/11-26/11
  • 20/11-26/11
  • 4 total stops
  • 36h 10m total
  • Boston to Northern Ireland
Aer Lingus
  • Aer Lingus
  • 26/10
  • 2 total stops
  • 18h 10m total
  • Boston to Northern Ireland
Highest demand for flights based on searches. 12% potential increase in price (£57 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in September 2025

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 15 September 2025.

Thu 20/1119:50BOS - BFS
2 stops19h 50mMultiple Airlines
Wed 26/1106:30BFS - BOS
2 stops16h 20mMultiple Airlines
Deal found 14/9£417
Wed 8/1020:10BOS - BHD
1 stop12h 20mAmerican Airlines
Sun 12/1006:50BHD - BOS
2 stops15h 25mAmerican Airlines
Deal found 13/9£422
Thu 20/1111:35BOS - BHD
2 stops27h 00mMultiple Airlines
Wed 26/1107:25BHD - BOS
2 stops15h 25mMultiple Airlines
Deal found 14/9£434
Wed 29/1022:20BOS - BFS
2 stops13h 55mMultiple Airlines
Wed 5/1112:20BFS - BOS
3 stops31h 15mMultiple Airlines
Deal found 14/9£439
Mon 22/920:10BOS - BHD
1 stop18h 25mAmerican Airlines
Sun 28/906:50BHD - BOS
1 stop20h 55mAmerican Airlines
Deal found 13/9£444
Fri 12/1207:30BOS - BHD
1 stop19h 55mBritish Airways
Mon 15/1219:25BHD - BOS
1 stop31h 30mBritish Airways
Deal found 13/9£445
Thu 20/1119:25BOS - BHD
1 stop17h 35mAmerican Airlines
Wed 26/1112:25BHD - BOS
2 stops16h 19mAmerican Airlines
Deal found 14/9£451
Wed 26/1121:35BOS - BHD
1 stop28h 55mBritish Airways
Sun 30/1120:25BHD - BOS
1 stop28h 20mBritish Airways
Deal found 15/9£454
Fri 21/1107:30BOS - BHD
1 stop19h 55mBritish Airways
Wed 26/1106:35BHD - BOS
1 stop12h 45mBritish Airways
Deal found 14/9£463
Mon 22/906:30BOS - BHD
2 stops21h 20mBritish Airways
Sun 28/906:50BHD - BOS
1 stop20h 55mBritish Airways
Deal found 13/9£466
Fri 26/920:15BOS - BHD
1 stop15h 40mMultiple Airlines
Tue 30/906:30BHD - BOS
1 stop15h 00mMultiple Airlines
Deal found 13/9£469
Fri 26/920:50BOS - BHD
2 stops19h 25mDelta
Tue 30/906:30BHD - BOS
1 stop15h 00mDelta
Deal found 14/9£472

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 15 September 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 - BFS

BOSBFS

Boston Logan Intl

Thu 20/11

19:50-20:40

2 stops19h 50m

Belfast Intl

Wed 26/11

06:30-17:50

2 stops16h 20m

£417

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 8/10

20:10-13:30

1 stop12h 20m

Belfast City

Sun 12/10

06:50-17:15

2 stops15h 25m

£422

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 29/10

22:20-16:15

2 stops13h 55m

Belfast Intl

Wed 5/11

12:20-14:35

3 stops31h 15m

£439

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 20/11

19:25-16:40

1 stop16h 15m

Belfast City

Wed 26/11

06:35-16:10

1 stop14h 35m

£444

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 12/12

07:30-08:25

1 stop19h 55m

Belfast City

Mon 15/12

19:25-21:55

1 stop31h 30m

£445

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 26/11

21:35-07:30

1 stop28h 55m

Belfast City

Sun 30/11

20:25-19:50

2 stops28h 25m

£463

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 21/11

07:30-08:25

1 stop19h 55m

Belfast City

Wed 26/11

06:35-14:20

1 stop12h 45m

£463

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 26/9

06:30-08:50

2 stops21h 20m

Belfast City

Tue 30/9

20:20-11:15

1 stop19h 55m

£466

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 26/9

20:15-16:55

1 stop15h 40m

Belfast City

Tue 30/9

17:25-16:30

1 stop28h 05m

£469

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 26/9

20:50-21:15

2 stops19h 25m

Belfast City

Tue 30/9

06:30-16:30

1 stop15h 00m

£472

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 19 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, January is the cheapest month in which you can book a flight from Boston to Northern Ireland (average of £67). Flying from Boston to Northern Ireland in July is currently the most expensive (average of £90). 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 and British Airways fly from Boston to Northern Ireland in about 12h 20m. The time it takes to get you to your destination can typically vary by up to 7h 35m. The distance from Boston to Northern Ireland is about 2981 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Boston to Northern Ireland one-way?

    The cheapet airlines for a one-way flight from Boston to Northern Ireland are Aer Lingus (£195), Delta (£217), and Air France (£217).

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

  • 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, January is the cheapest month in which you can book a flight from Boston to Northern Ireland (average of £67). Flying from Boston to Northern Ireland in July is currently the most expensive (average of £90). 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.

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