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.

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

Due to multiple factors, expect to potentially pay more when booking in November. For low rates, January can be a great choice for travel to Boston. Flights to Boston from Northern Ireland in January are about $844 on average during January, but can be found for as low as $494.

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.

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.

$432+ Flights from Northern Ireland to Boston

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Northern Ireland to Boston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Northern Ireland to Boston

Round-trip from	$505 (PLAY)
One-way from	$432 (Kiwi.com)
Popular in	November
Cheapest in	January
Average price	$678

From Northern Ireland to Boston Logan Intl

Search Deals

One-way flight from Northern Ireland to Boston Logan Intl

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($87 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 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 March 31, 2025.

Fri 5/166:15 amBFS - BOS

2 stops16h 35mMultiple Airlines

Tue 5/207:15 pmBOS - BFS

2 stops22h 55mMultiple Airlines

Deal found 3/30

$505

Sun 5/45:25 pmBHD - BOS

1 stop28h 00mKLM

Mon 5/124:40 pmBOS - BHD

1 stop23h 35mKLM

Deal found 3/30

$544

Sun 5/46:30 amBHD - BOS

2 stops17h 29mDelta

Mon 5/128:45 pmBOS - BHD

2 stops19h 30mDelta

Deal found 3/30

$586

Thu 7/34:20 pmBHD - BOS

1 stop29h 50mMultiple Airlines

Thu 7/177:25 amBOS - BHD

1 stop30h 55mMultiple Airlines

Deal found 3/30

$646

Thu 7/37:25 pmBHD - BOS

2 stops26h 52mBritish Airways

Thu 7/177:40 pmBOS - BHD

1 stop10h 30mBritish Airways

Deal found 3/30

$662

Sun 7/203:50 pmBHD - BOS

1 stop11h 50mFinnair

Wed 7/305:56 pmBOS - BHD

2 stops14h 34mFinnair

Deal found 3/30

$819

Best flights from Northern Ireland to Boston
Discover carefully curated flight deals from Northern Ireland to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 31, 2025.

Fri 5/166:15 amBFS - BOS

2 stops16h 35mMultiple Airlines

Tue 5/207:15 pmBOS - BFS

2 stops22h 55mMultiple Airlines

Deal found 3/30

$505

Sun 5/45:25 pmBHD - BOS

1 stop28h 00mKLM

Mon 5/124:40 pmBOS - BHD

1 stop23h 35mKLM

Deal found 3/30

$544

Sun 5/46:30 amBHD - BOS

2 stops17h 29mDelta

Mon 5/128:45 pmBOS - BHD

2 stops19h 30mDelta

Deal found 3/30

$586

Thu 7/37:25 pmBHD - BOS

2 stops26h 52mBritish Airways

Thu 7/177:40 pmBOS - BHD

1 stop10h 30mBritish Airways

Deal found 3/30

$662

Sun 7/203:50 pmBHD - BOS

1 stop11h 50mFinnair

Wed 7/305:56 pmBOS - BHD

2 stops14h 34mFinnair

Deal found 3/30

$819

Thu 7/34:20 pmBHD - BOS

1 stop29h 50mMultiple Airlines

Thu 7/177:25 amBOS - BHD

1 stop30h 55mMultiple Airlines

Deal found 3/30

$646

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 March 31, 2025.

Tue 7/2210:55 pmBFS - BOS

3 stops40h 44mMultiple Airlines

Deal found 3/30

$432

Tue 7/2210:20 amBHD - BOS

2 stops13h 25mMultiple Airlines

Deal found 3/30

$754

Tue 7/224:25 pmBHD - BOS

1 stop11h 15mIberia

Deal found 3/30

$835

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

BFS - BOS

BFSBOS

Belfast Intl

Fri 5/16

6:15 am-5:50 pm

2 stops16h 35m

Boston Logan Intl

Tue 5/20

7:15 pm-11:10 pm

2 stops22h 55m

$505

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sun 5/4

5:25 pm-1:35 pm

1 stop25h 10m

Boston Logan Intl

Mon 5/12

8:45 pm-4:55 pm

2 stops15h 10m

$544

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sun 5/4

6:30 am-6:59 pm

2 stops17h 29m

Boston Logan Intl

Mon 5/12

8:45 pm-9:15 pm

2 stops19h 30m

$586

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 7/3

4:20 pm-5:10 pm

1 stop29h 50m

Boston Logan Intl

Thu 7/17

7:25 am-7:20 pm

1 stop30h 55m

$646

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 7/3

7:25 pm-5:17 pm

2 stops26h 52m

Boston Logan Intl

Thu 7/17

7:40 pm-11:10 am

1 stop10h 30m

$662

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sun 7/20

3:50 pm-10:40 pm

1 stop11h 50m

Boston Logan Intl

Wed 7/30

5:56 pm-1:30 pm

2 stops14h 34m

$819

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Tue 7/22

10:55 pm-10:39 am

3 stops40h 44m

$432

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Tue 7/22

10:20 am-6:45 pm

2 stops13h 25m

$754

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Tue 7/22

4:25 pm-10:40 pm

1 stop11h 15m

$835

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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

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

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

Delta

8.0

Very good

7,899 reviews

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

7,899 reviews

Delta

8.0

Very good

7,899 reviews

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

KLM

7.8

Good

1,321 reviews

Delta

8.0

Very good

7,899 reviews

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

1,267 reviews

Delta

8.0

Very good

7,899 reviews

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

Iberia

7.0

Good

2,653 reviews

Delta

8.0

Very good

7,899 reviews

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

6,713 reviews

Delta

8.0

Very good

7,899 reviews

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?
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

Warwick

Marlborough

Waltham

Cambridge

Framingham

Chestnut Hill

Seekonk

Randolph

Brockton

Lowell

West Yarmouth

Woburn

Somerville

Saco

Burlington

Smithfield

Salem

Chelsea

Seabrook

Brookline

Browse thousands of different options on Cheapflights for your next trip

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

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.

$432+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Northern Ireland to Boston with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 March 31, 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 March 31, 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 March 31, 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

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

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?

Traveling 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.

100% Free

Book with Flexibility

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 March 31, 2025.