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$378+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — BOS
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Round-trip from

$666
(Mytrip)

One-way from

$378
(Kiwi.com)

Popular in

November

Cheapest in

January

Average price

$866
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. 10% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This British Airways deal was found by Cheapflights users on 4/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/51:50 pmBHD - BOS
1 stop13h 40mBritish Airways
Wed 5/147:40 pmBOS - BHD
1 stop12h 50mBritish Airways
Deal found 4/28$554
This KLM deal was found by Cheapflights users on 4/28. 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.
Mon 5/56:30 amBHD - BOS
1 stop12h 05mKLM
Wed 5/144:40 pmBOS - BHD
1 stop19h 15mKLM
Deal found 4/28$556
This Delta deal was found by Cheapflights users on 4/28. 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.
Mon 5/56:30 amBHD - BOS
2 stops17h 29mDelta
Wed 5/148:45 pmBOS - BHD
2 stops15h 10mDelta
Deal found 4/28$562
This Mytrip deal was found by Cheapflights users on 4/28. 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.
Wed 6/189:05 pmBFS - BOS
2 stops29h 55mMultiple Airlines
Wed 6/258:50 pmBOS - BFS
2 stops18h 45mMultiple Airlines
Deal found 4/28$666
This StudentUniverse deal was found by Cheapflights users on 4/29. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/259:50 amBHD - BOS
2 stops13h 55mAer Lingus
Wed 6/259:25 pmBOS - BHD
2 stops12h 10mAer Lingus
Deal found 4/29$1,019
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Mon 5/56:40 amBHD - BOS
1 stop18h 30mAmerican Airlines
Wed 5/147:25 amBOS - BHD
1 stop20h 25mAmerican Airlines
Deal found 4/28$1,334
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Wed 6/256:45 amBHD - BOS
1 stop15h 25mMultiple Airlines
Wed 6/259:40 pmBOS - BHD
2 stops16h 00mMultiple Airlines
Deal found 4/29$1,652

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 April 29, 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

Wed 6/18

9:05 pm-10:00 pm

2 stops29h 55m

Boston Logan Intl

Wed 6/25

8:50 pm-8:35 pm

2 stops18h 45m

$666

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 6/25

9:50 am-6:45 pm

2 stops13h 55m

Boston Logan Intl

Wed 6/25

9:25 pm-2:35 pm

2 stops12h 10m

$1,019

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 6/25

6:45 am-5:10 pm

1 stop15h 25m

Boston Logan Intl

Wed 6/25

9:40 pm-6:40 pm

2 stops16h 00m

$1,652

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 9/15

6:45 am-5:50 pm

2 stops16h 05m

$378

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 6/25

6:00 pm-2:20 pm

3 stops25h 20m

$505

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 9/15

9:50 am-6:45 pm

2 stops13h 55m

$583

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 9/15

6:40 am-5:10 pm

1 stop15h 30m

$648

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated April 29, 2025.
Aer Lingus
7.0
Good
1,076 reviews

Entertainment

6.7

Boarding

7.2

Comfort

7.0

Food

6.4

Crew

7.9

Overall

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Jan 2025

DUB - JFK

Don’t check bags which for an international flight means don’t take this air line. Lost our luggage and once found refused to deliver it to our home. Had to pick back up from the airport. No compensation not even an apology… Don’t fly aer lingus.
Aer Lingus
7.0
Good
1,076 reviews
Aer Lingus
7.0
Good
1,076 reviews

Entertainment

6.7

Boarding

7.2

Comfort

7.0

Food

6.4

Crew

7.9

Overall

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Jan 2025

DUB - JFK

Don’t check bags which for an international flight means don’t take this air line. Lost our luggage and once found refused to deliver it to our home. Had to pick back up from the airport. No compensation not even an apology… Don’t fly aer lingus.
British Airways
6.6
Okay
6,837 reviews
Aer Lingus
7.0
Good
1,076 reviews

Entertainment

6.7

Boarding

7.2

Comfort

7.0

Food

6.4

Crew

7.9

Overall

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Jan 2025

DUB - JFK

Don’t check bags which for an international flight means don’t take this air line. Lost our luggage and once found refused to deliver it to our home. Had to pick back up from the airport. No compensation not even an apology… Don’t fly aer lingus.

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.

  • 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

Traveling to a place near Northern Ireland?

Book flights to Northern Ireland if you plan to visit one of these locations
Marlborough
Warwick
Cambridge
Waltham
Framingham
Chestnut Hill
Randolph
Brockton
Lowell
Woburn
Somerville
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Lincoln
Salem
Chelsea
Seabrook

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Northern Ireland to Boston

See prices for flight routes from nearby airports that may be better suited for you.
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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 2,558,603 searches. Data last updated April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$489Average$860FlexibilityNo cancel feeOn-time70%

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