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Cheap flights from Boston to Northern Ireland from £236

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BFS
5 Jun — 12 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap 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 6 May 2026.

Thu 16/723:35
BOS
-
BFS
2 stops18h 55m
Multiple Airlines
Wed 29/717:45
BFS
-
BOS
1 stop33h 00m
Multiple Airlines
Deal found 2/5£607
Mon 31/823:00
BOS
-
BFS
2 stops16h 40m
Multiple Airlines
Wed 9/909:35
BFS
-
BOS
1 stop16h 40m
Multiple Airlines
Deal found 1/5£617
Sun 30/823:00
BOS
-
BFS
2 stops17h 00m
Multiple Airlines
Wed 9/909:35
BFS
-
BOS
1 stop16h 40m
Multiple Airlines
Deal found 1/5£629
Tue 25/820:50
BOS
-
BFS
3 stops18h 00m
Multiple Airlines
Thu 10/914:50
BFS
-
BOS
3 stops34h 30m
Multiple Airlines
Deal found 1/5£641
Mon 31/823:00
BOS
-
BFS
2 stops16h 40m
Multiple Airlines
Thu 10/910:15
BFS
-
BOS
1 stop16h 00m
Multiple Airlines
Deal found 1/5£642
Sun 30/823:00
BOS
-
BFS
2 stops17h 00m
Multiple Airlines
Thu 10/910:15
BFS
-
BOS
1 stop16h 00m
Multiple Airlines
Deal found 1/5£655
Tue 25/821:50
BOS
-
BHD
1 stop12h 30m
British Airways
Thu 10/909:35
BHD
-
BOS
1 stop15h 30m
British Airways
Deal found 1/5£659
Mon 28/921:50
BOS
-
BHD
1 stop10h 05m
British Airways
Mon 5/1011:35
BHD
-
BOS
1 stop10h 25m
British Airways
Deal found 1/5£662
Sun 30/819:30
BOS
-
BHD
1 stop10h 00m
British Airways
Wed 9/910:05
BHD
-
BOS
1 stop12h 00m
British Airways
Deal found 1/5£671
Tue 1/921:50
BOS
-
BHD
1 stop12h 30m
British Airways
Thu 10/912:45
BHD
-
BOS
1 stop12h 20m
British Airways
Deal found 1/5£673
Mon 19/1021:50
BOS
-
BHD
1 stop10h 05m
British Airways
Thu 22/1009:35
BHD
-
BOS
1 stop12h 25m
British Airways
Deal found 5/5£673
Sun 30/819:30
BOS
-
BHD
1 stop10h 00m
British Airways
Sun 6/915:50
BHD
-
BOS
1 stop11h 45m
British Airways
Deal found 1/5£674

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 6 May 2026.

Round-trip from

£607

One-way from

£236

Popular in

November

Cheapest in

February

Average price

£611
16/7-29/7
  • 16/7-29/7
  • 3 total stops
  • 51h 55m total
  • Boston to Northern Ireland
Search Deals
1/9
  • 1/9
  • 3 total stops
  • 37h 30m total
  • Boston to Northern Ireland
Search Deals
Highest demand for flights based on searches. 29% potential increase in price (£178 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£35 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 6 May 2026.
Use the filters below to find and compare flights from Boston to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 30/8

23:00-21:00

2 stops17h 00m

Belfast Intl

Wed 9/9

09:35-21:15

1 stop16h 40m

£629

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 31/8

23:00-20:40

2 stops16h 40m

Belfast Intl

Thu 10/9

10:15-21:15

1 stop16h 00m

£642

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 25/8

23:00-22:15

2 stops18h 15m

Belfast Intl

Thu 10/9

14:50-20:20

3 stops34h 30m

£660
Fastest return journey

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 30/8

19:30-10:30

1 stop10h 00m

Belfast City

Fri 11/9

09:35-17:05

1 stop12h 30m

£671

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 30/8

19:30-10:30

1 stop10h 00m

Belfast City

Mon 7/9

19:35-17:00

1 stop26h 25m

£671

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 19/10

21:50-15:30

1 stop12h 40m

Belfast City

Thu 22/10

12:45-20:05

1 stop12h 20m

£673

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 1/9

21:50-15:20

1 stop12h 30m

Belfast City

Sun 6/9

11:00-17:00

1 stop11h 00m

£676

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sat 5/9

07:25-10:05

1 stop21h 40m

Belfast City

Mon 7/9

19:35-17:00

1 stop26h 25m

£676

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 1/9

21:50-15:20

1 stop12h 30m

Belfast City

Sat 12/9

07:05-17:05

1 stop15h 00m

£676

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 25/8

18:26-15:20

2 stops15h 54m

Belfast City

Thu 10/9

09:35-18:49

2 stops14h 14m

£683

Flights are sorted by cheapest return flights first.

Deals found on 3/5

Showing 1-10 of 32 resultsSorted by cheapest first
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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

How much does it cost for a return flight from Boston to Northern Ireland?

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 British Airways fly from Boston to Northern Ireland in about 10h. The time it takes to get you to your destination can typically vary by up to . The distance from Boston to Northern Ireland is about 2981 mi.

  • 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.

See more FAQs

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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.

Why should you use Cheapflights to find cheap flight tickets from Boston to Northern Ireland?

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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