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

Currently, October is the cheapest month in which you can book a flight from Northern Ireland to Boston (average of £10). Flying from Northern Ireland to Boston in July is currently the most expensive (average of £724). 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.

What is the cheapest month to fly from Northern Ireland to Boston?

January can be a great time to fly to Boston from Northern Ireland with a flight ticket averaging about £620. Cheapflights users have found deals in the month of January for as cheap as £368. The most expensive prices can be found in the month of November.

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.

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.

£239+ Flights from Northern Ireland to Boston

Cheap flight deals from Northern Ireland to Boston

Round-trip from	£430
One-way from	£239
Popular in	November
Cheapest in	January
Average price	£646

British Airways
20/5-28/5
2 total stops
26h 25m total
Northern Ireland to Boston

Search Deals

10/9
2 total stops
31h 25m total
Northern Ireland to Boston

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£55 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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 30 April 2025.

Tue 20/509:35BHD - BOS

1 stop15h 35mBritish Airways

Wed 28/520:05BOS - BHD

1 stop10h 50mBritish Airways

Deal found 30/4£430

Tue 20/506:30BHD - BOS

1 stop16h 50mDelta

Wed 28/517:05BOS - BHD

2 stops23h 10mDelta

Deal found 30/4£431

Tue 20/513:40BHD - BOS

1 stop13h 50mFinnair

Wed 28/513:20BOS - BHD

2 stops17h 35mFinnair

Deal found 30/4£434

Wed 18/607:25BFS - BOS

2 stops15h 25mMultiple Airlines

Wed 25/619:15BOS - BFS

2 stops15h 15mMultiple Airlines

Deal found 29/4£559

Wed 25/609:50BHD - BOS

2 stops13h 55mAer Lingus

Wed 25/621:25BOS - BHD

2 stops12h 10mAer Lingus

Deal found 29/4£760

Mon 5/506:40BHD - BOS

1 stop18h 30mAmerican Airlines

Wed 14/519:40BOS - BHD

1 stop11h 15mAmerican Airlines

Deal found 29/4£998

Wed 25/606:45BHD - BOS

1 stop15h 25mMultiple Airlines

Wed 25/621:40BOS - BHD

2 stops16h 00mMultiple Airlines

Deal found 29/4£1,232

Best flights from Northern Ireland to Boston
Discover carefully curated flight deals from Northern Ireland to Boston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 April 2025.

Tue 20/509:35BHD - BOS

1 stop15h 35mBritish Airways

Wed 28/520:05BOS - BHD

1 stop10h 50mBritish Airways

Deal found 30/4£430

Tue 20/506:30BHD - BOS

1 stop16h 50mDelta

Wed 28/517:05BOS - BHD

2 stops23h 10mDelta

Deal found 30/4£431

Tue 20/513:40BHD - BOS

1 stop13h 50mFinnair

Wed 28/513:20BOS - BHD

2 stops17h 35mFinnair

Deal found 30/4£434

Wed 18/607:25BFS - BOS

2 stops15h 25mMultiple Airlines

Wed 25/619:15BOS - BFS

2 stops15h 15mMultiple Airlines

Deal found 29/4£559

Wed 25/609:50BHD - BOS

2 stops13h 55mAer Lingus

Wed 25/621:25BOS - BHD

2 stops12h 10mAer Lingus

Deal found 29/4£760

Wed 25/606:45BHD - BOS

1 stop15h 25mMultiple Airlines

Wed 25/621:40BOS - BHD

2 stops16h 00mMultiple Airlines

Deal found 29/4£1,232

Last-minute flights from Northern Ireland to Boston
Discover last-minute flight deals from Northern Ireland to Boston. Data last updated 30 April 2025 and is based on user searches.

Mon 5/506:45BFS - BOS

2 stops16h 05mMultiple Airlines

Wed 14/519:15BOS - BFS

2 stops22h 10mMultiple Airlines

Deal found 30/4£739

Mon 5/506:40BHD - BOS

1 stop18h 30mAmerican Airlines

Wed 14/519:40BOS - BHD

1 stop11h 15mAmerican Airlines

Deal found 29/4£998

Mon 5/519:30BHD - BOS

1 stop20h 40mFinnair

Wed 14/519:40BOS - BHD

1 stop11h 15mFinnair

Deal found 30/4£1,002

Tue 20/509:35BHD - BOS

1 stop15h 35mBritish Airways

Wed 28/520:05BOS - BHD

1 stop10h 50mBritish Airways

Deal found 30/4£430

Tue 20/506:30BHD - BOS

1 stop16h 50mVirgin Atlantic

Wed 28/520:15BOS - BHD

1 stop20h 00mVirgin Atlantic

Deal found 30/4£431

Tue 20/513:40BHD - BOS

1 stop13h 50mFinnair

Wed 28/513:20BOS - BHD

2 stops17h 35mFinnair

Deal found 30/4£434

Tue 20/506:30BHD - BOS

2 stops17h 36mDelta

Wed 28/520:45BOS - BHD

2 stops19h 30mDelta

Deal found 30/4£436

Tue 20/506:45BFS - BOS

2 stops16h 05mMultiple Airlines

Wed 28/519:15BOS - BFS

2 stops22h 55mMultiple Airlines

Deal found 30/4£629

One-way flights from Northern Ireland to Boston
Search for one-way flight options from Northern Ireland to Boston. Find affordable one-way fares based on user searches. Data last updated 30 April 2025.

Wed 10/915:25BFS - BOS

2 stops31h 25mMultiple Airlines

Deal found 30/4£239

Wed 25/618:00BHD - BOS

3 stops25h 20mMultiple Airlines

Deal found 29/4£377

Mon 15/909:50BHD - BOS

2 stops13h 55mAer Lingus

Deal found 29/4£435

Mon 15/906:40BHD - BOS

1 stop15h 30mBritish Airways

Deal found 29/4£483

Cheapflights Fare Finder

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

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Tue 20/5

09:35-20:10

1 stop15h 35m

Boston Logan Intl

Wed 28/5

20:05-11:55

1 stop10h 50m

£430

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Tue 20/5

06:30-18:20

1 stop16h 50m

Boston Logan Intl

Wed 28/5

20:15-21:15

1 stop20h 00m

£431

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Tue 20/5

13:40-22:30

1 stop13h 50m

Boston Logan Intl

Wed 28/5

13:20-11:55

2 stops17h 35m

£434

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Tue 20/5

06:30-19:06

2 stops17h 36m

Boston Logan Intl

Wed 28/5

20:45-21:15

2 stops19h 30m

£436

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Wed 18/6

07:25-17:50

2 stops15h 25m

Boston Logan Intl

Wed 25/6

19:15-15:30

2 stops15h 15m

£559

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 25/6

09:50-18:45

2 stops13h 55m

Boston Logan Intl

Wed 25/6

21:25-14:35

2 stops12h 10m

£760

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 25/6

06:45-17:10

1 stop15h 25m

Boston Logan Intl

Wed 25/6

21:40-18:40

2 stops16h 00m

£1,232

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Wed 10/9

15:25-17:50

2 stops31h 25m

£239

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 25/6

18:00-14:20

3 stops25h 20m

£377

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 15/9

09:50-18:45

2 stops13h 55m

£435

Flights are sorted by cheapest return flights first.

Deals found on 30/4

Showing 1-10 of 11 results

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

What is the cheapest time of day to fly from NIR to BOS?

When flying from Northern Ireland to Boston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Boston by month

In terms of precipitation, rainfall in Boston ranges from 78.0 - 101.0 inches per month. March is typically the wettest month, when rainfall can reach 101.0 mm. July is typically the driest time to visit Boston when rainfall is around 78.0 mm.

Temperature in Boston 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

Reviews of airlines servicing Boston

Delta

8.0

Very Good

7,936 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very Good

7,936 reviews

Delta

8.0

Very Good

7,936 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,275 reviews

Delta

8.0

Very Good

7,936 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Aer Lingus

7.0

Good

1,076 reviews

Delta

8.0

Very Good

7,936 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

British Airways

6.6

Okay

6,837 reviews

Delta

8.0

Very Good

7,936 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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.
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.
What is the cheapest month to book a flight from Northern Ireland to Boston?
Currently, October is the cheapest month in which you can book a flight from Northern Ireland to Boston (average of £10). Flying from Northern Ireland to Boston in July is currently the most expensive (average of £724). 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

Cambridge

Somerville

Quincy

Chelmsford

Burlington

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Northern Ireland to Boston

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£345	Average£549	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Northern Ireland to Boston from £239

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.

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 30 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Northern Ireland to Boston

Cheapest flights from Northern Ireland to BostonExplore 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 30 April 2025.

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 30 April 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Everything you need to know about your flight from Northern Ireland to Boston

What is the cheapest time of day to fly from NIR to BOS?

Find hourly flight availability from Northern Ireland to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 April 2025.

Rainfall in Boston by month

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

Temperature in Boston by month

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

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 30 April 2025.

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?

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

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

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

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

Travelling to a place near Northern Ireland?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Northern Ireland to Boston

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Northern Ireland to Boston

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?

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

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

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

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Travel Smart

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 30 April 2025.