How long is the flight from Belfast to Boston?

Airlines like American Airlines fly from Belfast to Boston in about 28h. The time it takes to get you to your destination can typically vary by up to . Belfast and Boston are separated by a distance of 2981 mi.

What is the cheapest airline to fly from Belfast to Boston round-trip?

Our cheapest airline available from Belfast to Boston is British Airways. Our recent data shows that you can find tickets from as low as £343 on this airline. British Airways is currently priced 36% below the average price you’ll pay for this route.

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

Currently, October is the cheapest month in which you can book a flight from Belfast to Boston (average of £10). Flying from Belfast 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 day to fly from Belfast to Boston?

Travellers seeking maximum savings on their Belfast to Boston flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What is the cheapest day to fly round-trip from Belfast to Boston?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 90% on your flight compared to booking on days when demand is much higher.

What is the cheapest month to fly from Belfast to Boston?

February can be a great time to fly to Boston from Belfast with a flight ticket averaging about £542. Cheapflights users have found deals in the month of February for as cheap as £392. The most expensive prices can be found in the month of November.

What airport do you fly into for flights to Boston from Belfast?

Most people fly into Boston Logan Intl (BOS) if they book a flight to Boston from Belfast. On average, Logan Intl has 0 inbound flights from Belfast per day from 1 airline. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

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

Yes. In addition to deals on Belfast to Boston flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Belfast to Boston?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to Boston.

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

Yes. Cheapflights offers flight deals from Belfast 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.

£236+ Cheap Flights from Belfast to Boston

Cheap flight deals from Belfast to Boston

Round-trip from	£415
One-way from	£236
Popular in	November
Cheapest in	February
Average price	£525

American Airlines
15/9-22/9
2 total stops
40h 40m total
Belfast to Boston

Search Deals

24/9
2 total stops
29h 10m total
Belfast to Boston

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (£99 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (£24 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find flight deals from Belfast to Boston

Cheapest flights from Belfast to Boston
Explore the most affordable flight options available from Belfast to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Mon 15/912:15BHD - BOS

1 stop28h 00mAmerican Airlines

Mon 22/922:00BOS - BHD

1 stop12h 40mAmerican Airlines

Deal found 29/8£415

Sun 21/913:00BHD - BOS

1 stop27h 15mAmerican Airlines

Mon 29/918:29BOS - BHD

2 stops16h 11mAmerican Airlines

Deal found 28/8£429

Sun 21/922:10BFS - BOS

2 stops21h 30mMultiple Airlines

Mon 29/918:35BOS - BFS

2 stops21h 00mMultiple Airlines

Deal found 28/8£445

Wed 10/906:30BHD - BOS

1 stop16h 55mDelta

Fri 19/920:50BOS - BHD

2 stops15h 05mDelta

Deal found 27/8£448

Sun 21/917:25BHD - BOS

2 stops27h 35mDelta

Mon 29/911:00BOS - BHD

2 stops24h 55mDelta

Deal found 28/8£451

Fri 7/1106:45BHD - BOS

1 stop12h 35mBritish Airways

Sun 9/1119:19BOS - BHD

2 stops31h 21mBritish Airways

Deal found 27/8£466

Mon 15/907:00BFS - BOS

1 stop11h 30mMultiple Airlines

Mon 22/917:05BOS - BFS

2 stops23h 50mMultiple Airlines

Deal found 29/8£466

Sun 12/1007:15BFS - BOS

2 stops13h 20mMultiple Airlines

Sun 19/1017:40BOS - BFS

2 stops23h 40mMultiple Airlines

Deal found 28/8£475

Mon 6/1021:55BFS - BOS

3 stops45h 25mMultiple Airlines

Thu 9/1017:30BOS - BFS

2 stops17h 45mMultiple Airlines

Deal found 28/8£503

Sun 5/1023:30BFS - BOS

3 stops43h 50mMultiple Airlines

Thu 9/1017:30BOS - BFS

2 stops17h 45mMultiple Airlines

Deal found 28/8£537

Fri 7/1114:15BHD - BOS

3 stops34h 55mMultiple Airlines

Sun 9/1121:20BOS - BHD

2 stops14h 00mMultiple Airlines

Deal found 27/8£554

Mon 6/1007:05BHD - BOS

2 stops18h 40mMultiple Airlines

Thu 9/1017:30BOS - BHD

2 stops17h 00mMultiple Airlines

Deal found 28/8£563

Best flights from Belfast to Boston
Discover carefully curated flight deals from Belfast to Boston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2025.

Mon 15/912:15BHD - BOS

1 stop28h 00mAmerican Airlines

Mon 22/922:00BOS - BHD

1 stop12h 40mAmerican Airlines

Deal found 29/8£415

Sun 21/922:10BFS - BOS

2 stops21h 30mMultiple Airlines

Mon 29/918:35BOS - BFS

2 stops21h 00mMultiple Airlines

Deal found 28/8£445

Wed 10/906:30BHD - BOS

1 stop16h 55mDelta

Fri 19/920:50BOS - BHD

2 stops15h 05mDelta

Deal found 27/8£448

Wed 10/906:30BHD - BOS

1 stop16h 55mKLM

Fri 19/918:45BOS - BHD

1 stop21h 30mKLM

Deal found 27/8£448

Fri 7/1106:45BHD - BOS

1 stop12h 35mBritish Airways

Sun 9/1119:19BOS - BHD

2 stops31h 21mBritish Airways

Deal found 27/8£466

Sun 21/913:00BHD - BOS

1 stop27h 15mAmerican Airlines

Mon 29/918:29BOS - BHD

2 stops16h 11mAmerican Airlines

Deal found 28/8£429

Sun 21/917:25BHD - BOS

2 stops27h 35mDelta

Mon 29/911:00BOS - BHD

2 stops24h 55mDelta

Deal found 28/8£451

Sun 12/1007:15BFS - BOS

2 stops13h 20mMultiple Airlines

Sun 19/1017:40BOS - BFS

2 stops23h 40mMultiple Airlines

Deal found 28/8£475

Mon 6/1021:55BFS - BOS

3 stops45h 25mMultiple Airlines

Thu 9/1017:30BOS - BFS

2 stops17h 45mMultiple Airlines

Deal found 28/8£503

Sun 5/1023:30BFS - BOS

3 stops43h 50mMultiple Airlines

Thu 9/1017:30BOS - BFS

2 stops17h 45mMultiple Airlines

Deal found 28/8£537

Wed 10/921:50BFS - BOS

2 stops25h 00mMultiple Airlines

Fri 19/917:30BOS - BFS

2 stops12h 25mMultiple Airlines

Deal found 27/8£573

Last-minute flights from Belfast to Boston
Discover last-minute flight deals from Belfast to Boston. Data last updated 29 August 2025 and is based on user searches.

Wed 10/906:30BHD - BOS

1 stop16h 55mDelta

Fri 19/920:50BOS - BHD

2 stops15h 05mDelta

Deal found 27/8£448

Wed 10/921:50BFS - BOS

2 stops25h 00mMultiple Airlines

Fri 19/917:30BOS - BFS

2 stops12h 25mMultiple Airlines

Deal found 27/8£573

Mon 15/912:15BHD - BOS

1 stop28h 00mAmerican Airlines

Mon 22/922:00BOS - BHD

1 stop12h 40mAmerican Airlines

Deal found 29/8£415

Mon 15/917:55BHD - BOS

3 stops25h 35mMultiple Airlines

Mon 22/915:15BOS - BHD

3 stops17h 30mMultiple Airlines

Deal found 29/8£666

Sun 21/913:00BHD - BOS

1 stop27h 15mAmerican Airlines

Mon 29/918:29BOS - BHD

2 stops16h 11mAmerican Airlines

Deal found 28/8£429

Sun 21/922:10BFS - BOS

2 stops21h 30mMultiple Airlines

Mon 29/918:35BOS - BFS

2 stops21h 00mMultiple Airlines

Deal found 28/8£445

Sun 21/917:25BHD - BOS

2 stops27h 35mDelta

Mon 29/911:00BOS - BHD

2 stops24h 55mDelta

Deal found 28/8£451

Sun 21/907:05BHD - BOS

3 stops40h 05mMultiple Airlines

Mon 29/906:00BOS - BHD

3 stops34h 10mMultiple Airlines

Deal found 28/8£714

One-way flights from Belfast to Boston
Search for one-way flight options from Belfast to Boston. Find affordable one-way fares based on user searches. Data last updated 29 August 2025.

Wed 24/921:05BFS - BOS

2 stops29h 10mMultiple Airlines

Deal found 27/8£236

Thu 25/906:10BFS - BOS

2 stops20h 05mMultiple Airlines

Deal found 27/8£256

Mon 22/906:45BFS - BOS

2 stops36h 03mMultiple Airlines

Deal found 27/8£291

Thu 25/907:05BHD - BOS

2 stops19h 10mMultiple Airlines

Deal found 27/8£295

Sun 21/923:30BFS - BOS

2 stops26h 15mMultiple Airlines

Deal found 27/8£311

Sat 25/1016:40BFS - BOS

3 stops27h 55mMultiple Airlines

Deal found 28/8£324

Tue 23/923:10BFS - BOS

3 stops27h 51mMultiple Airlines

Deal found 27/8£335

Mon 22/907:05BHD - BOS

2 stops18h 40mMultiple Airlines

Deal found 27/8£336

Fri 26/907:00BFS - BOS

3 stops20h 01mMultiple Airlines

Deal found 27/8£364

Sat 25/1018:00BHD - BOS

3 stops26h 35mMultiple Airlines

Deal found 28/8£377

Tue 23/906:50BHD - BOS

2 stops16h 55mAer Lingus

Deal found 27/8£385

Wed 24/906:55BHD - BOS

2 stops16h 50mAer Lingus

Deal found 27/8£389

Fly from

Fly to

Route

Depart

Return

Price

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 15/9

12:15-11:15

1 stop28h 00m

Boston Logan Intl

Mon 22/9

22:00-15:40

1 stop12h 40m

£415

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sun 21/9

13:00-11:15

1 stop27h 15m

Boston Logan Intl

Mon 29/9

18:29-15:40

2 stops16h 11m

£429

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sun 21/9

22:10-14:40

2 stops21h 30m

Boston Logan Intl

Mon 29/9

18:35-20:35

2 stops21h 00m

£445

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 10/9

06:30-18:25

1 stop16h 55m

Boston Logan Intl

Fri 19/9

20:50-16:55

2 stops15h 05m

£448

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 10/9

06:30-18:25

1 stop16h 55m

Boston Logan Intl

Fri 19/9

18:45-21:15

1 stop21h 30m

£448

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sun 21/9

17:25-16:00

2 stops27h 35m

Boston Logan Intl

Mon 29/9

11:00-16:55

2 stops24h 55m

£451

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Fri 7/11

06:45-14:20

1 stop12h 35m

Boston Logan Intl

Sun 9/11

19:19-07:40

2 stops31h 21m

£466

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sun 12/10

07:15-15:35

2 stops13h 20m

Boston Logan Intl

Sun 19/10

17:40-22:20

2 stops23h 40m

£475

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 6/10

21:55-14:20

3 stops45h 25m

Boston Logan Intl

Thu 9/10

17:30-16:15

2 stops17h 45m

£503

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sun 5/10

23:30-14:20

3 stops43h 50m

Boston Logan Intl

Thu 9/10

17:30-16:15

2 stops17h 45m

£537

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 27 results

Best time to book a flight from Belfast to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Belfast 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 Belfast to Boston

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

It’s typically best to fly out from Belfast to Boston at midday. Doing so could potentially save you 31% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Boston

Read reviews from past customers who have flown with British Airways from Belfast to Boston. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

British Airways

6.7

Okay

7,320 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

British Airways

6.7

Okay

7,320 reviews

British Airways

6.7

Okay

7,320 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

Related info for your journey

What airport do you fly into for flights to Boston from Belfast?
Most people fly into Boston Logan Intl (BOS) if they book a flight to Boston from Belfast. On average, Logan Intl has 0 inbound flights from Belfast per day from 1 airline. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.
How long is the flight from Belfast to Boston?
Airlines like American Airlines fly from Belfast to Boston in about 28h. The time it takes to get you to your destination can typically vary by up to . Belfast and Boston are separated by a distance of 2981 mi.
What is the cheapest airline to fly from Belfast to Boston round-trip?
Our cheapest airline available from Belfast to Boston is British Airways. Our recent data shows that you can find tickets from as low as £343 on this airline. British Airways is currently priced 36% below the average price you’ll pay for this route.
Can I find deals for flights from Belfast to Boston that include hotel bookings?
Yes. In addition to deals on Belfast to Boston flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast to Boston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to Boston.
Can I find deals for business class flights from Belfast to Boston?
Yes. Cheapflights offers flight deals from Belfast 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 Belfast to Boston?
Currently, October is the cheapest month in which you can book a flight from Belfast to Boston (average of £10). Flying from Belfast 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

Burlington

Peabody

Cambridge

Somerville

Quincy

Chelmsford

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Alternative routes for Belfast to Boston

Belfast Intl to Boston flights

Belfast City to Boston flights

Belfast City to Hartford flights

Other flights to Boston

Complete your trip

Boston car hire

Boston Logan Intl Airport car hire

Providence-TFGreen Airport car hire

Manchester Airport car hire

Bedford Hanscom Field Airport car hire

Hyannis car hire

Downtown car hire

Back Bay car hire

Seaport District car hire

North End car hire

Fenway–Kenmore car hire

East Boston car hire

Top airline flying from Belfast to Boston

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£343	Average£523	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Belfast to Boston?

Cheapflights helps you search for flights from Belfast to Boston via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Belfast to Boston by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Belfast to Boston, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Belfast to Boston flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your 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 Belfast to Boston from £236

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast to Boston

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Belfast to Boston

Cheapest flights from Belfast to BostonExplore the most affordable flight options available from Belfast to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Explore the most affordable flight options available from Belfast to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Belfast to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Belfast with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Belfast to Boston

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

Find hourly flight availability from Belfast 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 29 August 2025.

Reviews of airlines servicing Boston

Read reviews from past customers who have flown with British Airways from Belfast to Boston. Users can see the overall rating for each airline as well as how each is rated 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 Belfast 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 Belfast?

How long is the flight from Belfast to Boston?

What is the cheapest airline to fly from Belfast to Boston round-trip?

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

How can I find direct flights from Belfast to Boston?

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

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

Travelling to a place near Boston?

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 Belfast to Boston

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

Top airline flying from Belfast 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 Belfast to Boston?

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

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

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

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Travel Smart

Cheapest flights from Belfast to Boston
Explore the most affordable flight options available from Belfast to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.