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 June is currently the most expensive (average of $306). 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, February can be a great choice for travel to Boston. Flights to Boston from Northern Ireland in February are about $799 on average during February, but can be found for as low as $530.

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.

$545+ 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	$545 (Netflights)
Popular in	November
Cheapest in	February
Average price	$868

From Northern Ireland to Boston Logan Intl

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($132 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 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 June 13, 2025.

Tue 9/169:35 amBHD - BOS

1 stop12h 35mBritish Airways

Tue 9/239:55 pmBOS - BHD

1 stop10h 05mBritish Airways

Deal found 6/13

$545

Tue 9/167:00 amBFS - BOS

2 stops16h 45mMultiple Airlines

Tue 9/236:35 pmBOS - BFS

2 stops23h 45mMultiple Airlines

Deal found 6/13

$558

Mon 9/11:50 pmBHD - BOS

1 stop13h 55mAmerican Airlines

Tue 9/97:40 pmBOS - BHD

1 stop9h 55mAmerican Airlines

Deal found 6/12

$562

Tue 9/161:40 pmBHD - BOS

2 stops14h 10mFinnair

Tue 9/2311:02 amBOS - BHD

2 stops18h 33mFinnair

Deal found 6/13

$568

Mon 9/12:25 pmBHD - BOS

3 stops30h 10mMultiple Airlines

Tue 9/95:40 pmBOS - BHD

2 stops14h 15mMultiple Airlines

Deal found 6/12

$718

Mon 6/306:30 amBHD - BOS

2 stops14h 44mDelta

Mon 7/218:59 pmBOS - BHD

2 stops19h 16mDelta

Deal found 6/11

$823

Thu 8/1410:10 amBHD - BOS

2 stops13h 35mAer Lingus

Thu 8/149:25 pmBOS - BHD

2 stops14h 00mAer Lingus

Deal found 6/12

$1,179

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 June 13, 2025.

Tue 9/169:35 amBHD - BOS

1 stop12h 35mBritish Airways

Tue 9/239:55 pmBOS - BHD

1 stop10h 05mBritish Airways

Deal found 6/13

$545

Tue 9/167:00 amBFS - BOS

2 stops16h 45mMultiple Airlines

Tue 9/236:35 pmBOS - BFS

2 stops23h 45mMultiple Airlines

Deal found 6/13

$558

Mon 9/11:50 pmBHD - BOS

1 stop13h 55mAmerican Airlines

Tue 9/97:40 pmBOS - BHD

1 stop9h 55mAmerican Airlines

Deal found 6/12

$562

Tue 9/161:40 pmBHD - BOS

2 stops14h 10mFinnair

Tue 9/2311:02 amBOS - BHD

2 stops18h 33mFinnair

Deal found 6/13

$568

Mon 6/306:30 amBHD - BOS

2 stops14h 44mDelta

Mon 7/218:59 pmBOS - BHD

2 stops19h 16mDelta

Deal found 6/11

$823

Thu 8/1410:10 amBHD - BOS

2 stops13h 35mAer Lingus

Thu 8/149:25 pmBOS - BHD

2 stops14h 00mAer Lingus

Deal found 6/12

$1,179

Mon 9/12:25 pmBHD - BOS

3 stops30h 10mMultiple Airlines

Tue 9/95:40 pmBOS - BHD

2 stops14h 15mMultiple Airlines

Deal found 6/12

$718

Last-minute flights from Northern Ireland to Boston
Discover last-minute flight deals from Northern Ireland to Boston. Data last updated June 13, 2025 and is based on user searches.

Mon 6/2312:15 pmBHD - BOS

1 stop15h 20mBritish Airways

Mon 6/307:25 amBOS - BHD

1 stop20h 55mBritish Airways

Deal found 6/12

$593

Mon 6/233:25 pmBHD - BOS

2 stops20h 55mAmerican Airlines

Mon 6/308:10 pmBOS - BHD

1 stop11h 45mAmerican Airlines

Deal found 6/12

$604

Mon 6/239:35 pmBFS - BOS

1 stop20h 45mMultiple Airlines

Mon 6/305:05 pmBOS - BFS

2 stops23h 50mMultiple Airlines

Deal found 6/12

$673

Mon 6/238:30 amBHD - BOS

2 stops16h 50mMultiple Airlines

Mon 6/3010:20 pmBOS - BHD

2 stops13h 35mMultiple Airlines

Deal found 6/12

$798

Mon 6/306:30 amBHD - BOS

2 stops14h 44mDelta

Mon 7/218:59 pmBOS - BHD

2 stops19h 16mDelta

Deal found 6/11

$823

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 June 13, 2025.

Mon 7/219:00 pmBFS - BOS

2 stops29h 15mMultiple Airlines

Deal found 6/12

$619

Sun 7/2011:00 amBHD - BOS

3 stops38h 05mMultiple Airlines

Deal found 6/12

$703

Sun 7/208:05 pmBHD - BOS

1 stop20h 15mBritish Airways

Deal found 6/12

$1,118

Mon 7/215:25 pmBHD - BOS

1 stop28h 05mKLM

Deal found 6/12

$2,265

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 9/16

9:35 am-5:10 pm

1 stop12h 35m

Boston Logan Intl

Tue 9/23

9:55 pm-1:00 pm

1 stop10h 05m

$545

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Tue 9/16

7:00 am-6:45 pm

2 stops16h 45m

Boston Logan Intl

Tue 9/23

6:35 pm-11:20 pm

2 stops23h 45m

$558

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 9/1

1:50 pm-10:45 pm

1 stop13h 55m

Boston Logan Intl

Tue 9/9

7:40 pm-10:35 am

1 stop9h 55m

$562

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Tue 9/16

1:40 pm-10:50 pm

2 stops14h 10m

Boston Logan Intl

Tue 9/23

11:02 am-10:35 am

2 stops18h 33m

$568

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 9/1

2:25 pm-3:35 pm

3 stops30h 10m

Boston Logan Intl

Tue 9/9

5:40 pm-12:55 pm

2 stops14h 15m

$718

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 6/30

6:30 am-4:14 pm

2 stops14h 44m

Boston Logan Intl

Mon 7/21

8:59 pm-9:15 pm

2 stops19h 16m

$823

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 8/14

10:10 am-6:45 pm

2 stops13h 35m

Boston Logan Intl

Thu 8/14

9:25 pm-4:25 pm

2 stops14h 00m

$1,179

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 7/21

9:00 pm-9:15 pm

2 stops29h 15m

$619

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sun 7/20

11:00 am-8:05 pm

3 stops38h 05m

$703

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sun 7/20

8:05 pm-11:20 am

1 stop20h 15m

$1,118

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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 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

Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Northern Ireland to Boston to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,956 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,956 reviews

Delta

8.0

Very good

7,956 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,358 reviews

Delta

8.0

Very good

7,956 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Finnair

7.6

Good

1,290 reviews

Delta

8.0

Very good

7,956 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,956 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Aer Lingus

7.1

Good

1,118 reviews

Delta

8.0

Very good

7,956 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 June is currently the most expensive (average of $306). 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

Medford

Watertown

Warwick

Waltham

Framingham

Seabrook

Cranston

Randolph

Chestnut Hill

Lowell

Chelsea

Marlborough

Brockton

York Beach

Saco

Burlington

West Yarmouth

Smithfield

Swansea

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Northern Ireland to Boston

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$489	Average$860	FlexibilityNo cancel fee	On-time70%

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.

$545+ Cheap flights from Northern Ireland to Boston (BOS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/16. 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 June 13, 2025.

Round-trip 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 June 13, 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 June 13, 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

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 June 13, 2025.

Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Northern Ireland to Boston to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

Top airline flying from Northern Ireland to Boston

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 June 13, 2025.