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$348+ Cheap flights from Northern Ireland to Boston (BOS)

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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — BOS
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheap 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 septiembre 15, 2025.

Round-trip from

$545
(Trip.com)

One-way from

$348
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$663
From Northern Ireland to Boston Logan Intl
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One-way flight from Northern Ireland to Boston Logan Intl
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Highest demand for flights based on searches. 9% potential increase in price ($71 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Northern Ireland to Boston

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 septiembre 15, 2025.

This Trip.com deal was found by Cheapflights users on 9/15. 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.
lun. 11/36:00 amBFS - BOS
1 stop15h 00mMultiple Airlines
lun. 11/108:00 pmBOS - BFS
1 stop16h 00mMultiple Airlines
Deal found 9/15$545
This American Airlines deal was found by Cheapflights users on 9/14. 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.
lun. 9/2212:15 pmBHD - BOS
1 stop28h 00mAmerican Airlines
mar. 9/308:10 pmBOS - BHD
1 stop11h 50mAmerican Airlines
Deal found 9/14$563
This Finnair deal was found by Cheapflights users on 9/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/39:15 amBHD - BOS
1 stop11h 55mMultiple Airlines
lun. 11/107:25 pmBOS - BHD
1 stop13h 50mMultiple Airlines
Deal found 9/15$564
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/36:30 amBHD - BOS
1 stop17h 25mDelta
lun. 11/105:00 pmBOS - BHD
2 stops18h 50mDelta
Deal found 9/15$568
This Virgin Atlantic deal was found by Cheapflights users on 9/14. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/226:30 amBHD - BOS
2 stops21h 00mVirgin Atlantic
mar. 9/308:15 pmBOS - BHD
1 stop20h 00mVirgin Atlantic
Deal found 9/14$573
This KLM deal was found by Cheapflights users on 9/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/156:30 amBHD - BOS
1 stop16h 50mKLM
mié. 10/228:15 pmBOS - BHD
1 stop20h 00mKLM
Deal found 9/15$574
This Virgin Atlantic deal was found by Cheapflights users on 9/15. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/36:30 amBHD - BOS
2 stops20h 33mVirgin Atlantic
lun. 11/104:42 pmBOS - BHD
2 stops19h 08mVirgin Atlantic
Deal found 9/15$580
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/156:30 amBHD - BOS
1 stop16h 50mDelta
mié. 10/221:05 pmBOS - BHD
2 stops22h 50mDelta
Deal found 9/15$581
This Air France deal was found by Cheapflights users on 9/14. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/226:30 amBHD - BOS
2 stops13h 35mMultiple Airlines
mar. 9/3010:20 pmBOS - BHD
2 stops13h 35mMultiple Airlines
Deal found 9/14$632
This Mytrip deal was found by Cheapflights users on 9/15. 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.
jue. 10/309:20 pmBFS - BOS
3 stops46h 15mMultiple Airlines
jue. 11/611:35 amBOS - BFS
2 stops30h 00mMultiple Airlines
Deal found 9/15$650
This KLM deal was found by Cheapflights users on 9/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/105:25 pmBHD - BOS
1 stop28h 05mKLM
dom. 10/124:50 pmBOS - BHD
1 stop23h 25mKLM
Deal found 9/15$656
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
mié. 10/159:35 amBFS - BOS
1 stop16h 40mMultiple Airlines
mié. 10/229:25 pmBOS - BFS
2 stops20h 30mMultiple Airlines
Deal found 9/15$692

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated septiembre 15, 2025.
Use the filters below to find and compare flights from Northern Ireland to Boston that are best for you.

Fly from

Northern Ireland

Fly to

Boston

Route

Depart

Return

Price

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

lun. 11/3

6:00 am-4:00 pm

1 stop15h 00m

Boston Logan Intl

lun. 11/10

8:00 pm-5:00 pm

1 stop16h 00m

$545

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

lun. 11/3

9:15 am-4:10 pm

1 stop11h 55m

Boston Logan Intl

lun. 11/10

7:25 pm-2:15 pm

1 stop13h 50m

$564

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

mié. 10/15

6:30 am-6:20 pm

1 stop16h 50m

Boston Logan Intl

mié. 10/22

8:15 pm-9:15 pm

1 stop20h 00m

$574

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

lun. 11/3

6:30 am-10:03 pm

2 stops20h 33m

Boston Logan Intl

lun. 11/10

4:42 pm-4:50 pm

2 stops19h 08m

$580

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

mié. 10/15

6:30 am-6:20 pm

1 stop16h 50m

Boston Logan Intl

mié. 10/22

1:05 pm-4:55 pm

2 stops22h 50m

$581

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

jue. 10/30

9:20 pm-3:35 pm

3 stops46h 15m

Boston Logan Intl

jue. 11/6

11:35 am-10:35 pm

2 stops30h 00m

$650

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

vie. 10/10

5:25 pm-4:30 pm

1 stop28h 05m

Boston Logan Intl

dom. 10/12

4:50 pm-9:15 pm

1 stop23h 25m

$656

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

mié. 10/15

9:35 am-9:15 pm

1 stop16h 40m

Boston Logan Intl

mié. 10/22

9:25 pm-10:55 pm

2 stops20h 30m

$692

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

vie. 10/10

6:05 am-7:50 pm

3 stops18h 45m

Boston Logan Intl

dom. 10/12

6:10 pm-9:30 pm

2 stops22h 20m

$752

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

vie. 10/10

6:30 am-9:27 pm

2 stops19h 57m

Boston Logan Intl

dom. 10/12

6:30 pm-4:55 pm

2 stops41h 25m

$855

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 14 results
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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 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 Northern Ireland to Boston
No data available for this route at this time. Please check back soon.

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?

    Most people fly into Boston Logan Intl (BOS) if they book a flight to Boston from Northern Ireland. Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

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

    For as low as $574, KLM can have you in Boston from Northern Ireland in 16h 50m. Northern Ireland and Boston are separated by a distance of 2981 mi. When browsing for deals, the options you’ll see will be for both nonstop 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 vacation 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.

  • What is the cheapest month to book a flight from Northern Ireland to Boston?

    Currently, January is the cheapest month in which you can book a flight from Northern Ireland to Boston (average of $218). Flying from Northern Ireland to Boston in July is currently the most expensive (average of $311). 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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