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Cheap flights from Northern Ireland to Boston from £350

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 18/6. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — BOS
4 Jun — 11 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Northern Ireland to Boston

Enter your travel dates to find the best prices.

Cheapest flights from Northern Ireland to Boston
Explore the most affordable flight options available from Northern Ireland to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 May 2026.

Tue 1/909:50
BHD
-
BOS
1 stop32h 29m
KLM
Tue 3/1119:15
BOS
-
BHD
1 stop20h 45m
KLM
Deal found 1/5£628
Tue 1/913:45
BHD
-
BOS
1 stop13h 50m
British Airways
Tue 3/1115:52
BOS
-
BHD
2 stops13h 38m
British Airways
Deal found 1/5£643
Wed 4/1115:40
BHD
-
BOS
1 stop11h 15m
British Airways
Sun 8/1118:55
BOS
-
BHD
1 stop14h 00m
British Airways
Deal found 30/4£675
Tue 1/906:15
BFS
-
BOS
2 stops17h 35m
Multiple Airlines
Tue 3/1119:50
BOS
-
BFS
2 stops19h 20m
Multiple Airlines
Deal found 1/5£702
Tue 1/910:20
BHD
-
BOS
2 stops16h 25m
Multiple Airlines
Tue 3/1119:50
BOS
-
BHD
3 stops19h 40m
Multiple Airlines
Deal found 1/5£715
Thu 18/620:05
BFS
-
BOS
2 stops29h 50m
Multiple Airlines
Thu 25/605:45
BOS
-
BFS
3 stops26h 50m
Multiple Airlines
Deal found 4/5£761
Sat 20/606:30
BFS
-
BOS
3 stops31h 35m
Multiple Airlines
Sat 27/612:30
BOS
-
BFS
3 stops25h 40m
Multiple Airlines
Deal found 5/5£938

Find flight deals from Northern Ireland to Boston

Keep the following information in mind while searching for Northern Ireland to Boston flight deals. Data was last updated 5 May 2026.

Round-trip from

£628

One-way from

£350

Popular in

December

Cheapest in

February

Average price

£635
KLM
  • KLM
  • 1/9-3/11
  • 2 total stops
  • 53h 14m total
  • Northern Ireland to Boston
Search Deals
18/6
  • 18/6
  • 3 total stops
  • 23h 50m total
  • Northern Ireland to Boston
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£24 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 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 Northern Ireland to Boston 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 5 May 2026.
Use the filters below to find and compare flights from Northern Ireland to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Tue 1/9

09:50-13:19

1 stop32h 29m

Boston Logan Intl

Tue 3/11

19:15-21:00

1 stop20h 45m

£628

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Tue 1/9

13:45-22:35

1 stop13h 50m

Boston Logan Intl

Tue 3/11

15:52-10:30

2 stops13h 38m

£643

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Tue 1/9

06:15-18:50

2 stops17h 35m

Boston Logan Intl

Tue 3/11

19:50-20:10

2 stops19h 20m

£702

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sat 24/10

16:15-22:35

1 stop11h 20m

Boston Logan Intl

Sat 31/10

22:35-16:45

1 stop14h 10m

£741
Fastest return journey

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sat 24/10

07:05-12:30

1 stop10h 25m

Boston Logan Intl

Sat 31/10

20:15-11:10

1 stop10h 55m

£744

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Thu 18/6

20:05-20:55

2 stops29h 50m

Boston Logan Intl

Thu 25/6

05:45-13:35

3 stops26h 50m

£761

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 20/5

16:05-22:35

1 stop11h 30m

Boston Logan Intl

Sun 24/5

07:25-08:40

1 stop20h 15m

£767

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sat 20/6

06:30-09:05

3 stops31h 35m

Boston Logan Intl

Sat 27/6

10:40-13:30

2 stops21h 50m

£976
Cheapest one-way

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Thu 18/6

20:05-20:55

2 stops29h 50m

£370

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sat 4/7

21:40-18:50

3 stops50h 10m

£473

Flights are sorted by cheapest return flights first.

Deals found on 4/5

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from Northern Ireland to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Northern Ireland 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 Northern Ireland to Boston

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

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to Boston. 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 into for flights to Boston from Northern Ireland?

    Located just 2.6 mi from the city center, Boston Logan Intl (BOS) is the airport most travelers will use when flying to Boston from Northern Ireland.

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

    Departing from Northern Ireland to Boston will take you 13h 50m. The distance between Northern Ireland and Boston is about 2981 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Northern Ireland to Boston that include hotel bookings?

    Yes. In addition to deals on Northern Ireland to Boston flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Northern Ireland to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Boston.

  • Can I find deals for business class flights from Northern Ireland to Boston?

    Yes. Cheapflights offers flight deals from Northern Ireland to Boston 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

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Burlington
Canton
Waltham
Warwick
Cambridge
Peabody
Somerville
Quincy
Chelmsford

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Northern Ireland to Boston

Discover the top airline that operate flights from Northern Ireland to Boston. 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 858,174 searches. Data last updated 5 May 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£367Average£526FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Northern Ireland to Boston?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Northern Ireland to Boston. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to Boston from Northern Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Northern Ireland to Boston with no change fees?

Certainly. Search results for flights to Boston from Northern Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Northern Ireland to Boston become cheaper?

Of course! You can now track prices for flights from Northern Ireland to Boston and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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