How long is the flight from Belfast to Boston?

Airlines like British Airways, Delta, and KLM fly from Belfast to Boston in about 16h 50m. The time it takes to get you to your destination can typically vary by up to 7h 40m. Belfast and Boston are separated by a distance of 2981 mi. Both multi-stop and direct flights can be found to your destination and back.

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 £339 on this airline. British Airways is currently priced 34% 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 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.

£225+ Cheap Flights from Belfast to Boston

Cheap flight deals from Belfast to Boston

Round-trip from	£393
One-way from	£225
Popular in	December
Cheapest in	February
Average price	£486

3/11-10/11
3 total stops
50h 55m total
Belfast to Boston

Search Deals

16/10
2 total stops
19h 05m total
Belfast to Boston

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£37 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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 18 September 2025.

Mon 3/1106:40BFS - BOS

2 stops35h 40mMultiple Airlines

Mon 10/1120:00BOS - BFS

1 stop15h 15mMultiple Airlines

Deal found 16/9£393

Mon 3/1109:15BHD - BOS

1 stop11h 55mBritish Airways

Mon 10/1119:25BOS - BHD

1 stop10h 15mBritish Airways

Deal found 16/9£410

Mon 3/1106:30BHD - BOS

1 stop17h 25mDelta

Mon 10/1117:00BOS - BHD

2 stops23h 00mDelta

Deal found 16/9£417

Wed 15/1006:30BHD - BOS

1 stop16h 50mKLM

Thu 23/1018:45BOS - BHD

1 stop21h 30mKLM

Deal found 16/9£421

Wed 15/1006:30BHD - BOS

1 stop16h 50mDelta

Wed 22/1013:05BOS - BHD

2 stops22h 50mDelta

Deal found 16/9£426

Wed 15/1006:30BHD - BOS

1 stop15h 00mKLM

Mon 27/1020:10BOS - BHD

1 stop16h 40mKLM

Deal found 17/9£428

Mon 13/1015:25BHD - BOS

1 stop25h 00mAmerican Airlines

Tue 21/1020:10BOS - BHD

1 stop11h 50mAmerican Airlines

Deal found 16/9£433

Tue 14/1016:25BHD - BOS

1 stop11h 15mAmerican Airlines

Wed 22/1019:40BOS - BHD

1 stop11h 15mAmerican Airlines

Deal found 17/9£434

Mon 13/1015:25BHD - BOS

1 stop25h 00mAmerican Airlines

Mon 20/1016:14BOS - BHD

2 stops15h 41mAmerican Airlines

Deal found 16/9£437

Tue 14/1016:25BHD - BOS

1 stop11h 15mAmerican Airlines

Tue 21/1015:00BOS - BHD

2 stops14h 35mAmerican Airlines

Deal found 17/9£437

Tue 14/1016:25BHD - BOS

1 stop11h 15mAmerican Airlines

Mon 27/1008:30BOS - BHD

1 stop22h 10mAmerican Airlines

Deal found 17/9£439

Wed 15/1006:30BHD - BOS

1 stop16h 50mMultiple Airlines

Thu 23/1022:20BOS - BHD

2 stops13h 35mMultiple Airlines

Deal found 16/9£440

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 18 September 2025.

Mon 3/1106:40BFS - BOS

2 stops35h 40mMultiple Airlines

Mon 10/1120:00BOS - BFS

1 stop15h 15mMultiple Airlines

Deal found 16/9£393

Sun 1/320:25BHD - BOS

1 stop24h 30mBritish Airways

Thu 5/307:30BOS - BHD

1 stop19h 00mBritish Airways

Deal found 16/9£415

Mon 3/1106:30BHD - BOS

1 stop17h 25mDelta

Mon 10/1117:00BOS - BHD

2 stops23h 00mDelta

Deal found 16/9£417

Wed 15/1006:30BHD - BOS

1 stop16h 50mKLM

Thu 23/1018:45BOS - BHD

1 stop21h 30mKLM

Deal found 16/9£421

Mon 13/1015:25BHD - BOS

1 stop25h 00mAmerican Airlines

Thu 23/1020:10BOS - BHD

1 stop10h 00mAmerican Airlines

Deal found 16/9£433

Sun 1/308:55BFS - BOS

2 stops36h 02mMultiple Airlines

Thu 5/315:40BOS - BFS

2 stops23h 40mMultiple Airlines

Deal found 16/9£421

Wed 15/1006:30BHD - BOS

1 stop16h 50mDelta

Wed 22/1013:05BOS - BHD

2 stops22h 50mDelta

Deal found 16/9£426

Wed 15/1006:30BHD - BOS

1 stop15h 00mKLM

Mon 27/1020:10BOS - BHD

1 stop16h 40mKLM

Deal found 17/9£428

Mon 13/1015:25BHD - BOS

1 stop25h 00mAmerican Airlines

Tue 21/1020:10BOS - BHD

1 stop11h 50mAmerican Airlines

Deal found 16/9£433

Tue 14/1016:25BHD - BOS

1 stop11h 15mAmerican Airlines

Tue 21/1021:55BOS - BHD

1 stop10h 05mAmerican Airlines

Deal found 17/9£434

Sat 1/1116:00BFS - BOS

2 stops27h 35mMultiple Airlines

Sat 8/1119:50BOS - BFS

2 stops20h 50mMultiple Airlines

Deal found 17/9£474

Wed 15/1011:30BHD - BOS

1 stop10h 40mAmerican Airlines

Mon 20/1015:00BOS - BHD

2 stops16h 55mAmerican Airlines

Deal found 16/9£437

Wed 15/1011:30BHD - BOS

1 stop16h 10mAmerican Airlines

Wed 22/1016:14BOS - BHD

2 stops16h 16mAmerican Airlines

Deal found 17/9£437

Wed 15/1009:35BFS - BOS

1 stop16h 40mMultiple Airlines

Fri 24/1023:00BOS - BFS

2 stops19h 20mMultiple Airlines

Deal found 16/9£504

Sun 19/1013:00BHD - BOS

1 stop27h 25mAmerican Airlines

Mon 27/1020:15BOS - BHD

1 stop10h 25mAmerican Airlines

Deal found 17/9£439

Fri 3/1008:35BFS - BOS

2 stops14h 45mMultiple Airlines

Tue 7/1020:15BOS - BFS

2 stops15h 25mMultiple Airlines

Deal found 17/9£528

Tue 14/1016:25BHD - BOS

1 stop11h 15mAmerican Airlines

Mon 27/1008:30BOS - BHD

1 stop22h 10mAmerican Airlines

Deal found 17/9£439

Wed 15/1009:35BFS - BOS

1 stop16h 40mMultiple Airlines

Mon 20/1021:25BOS - BFS

2 stops13h 45mMultiple Airlines

Deal found 16/9£529

Wed 15/1009:35BFS - BOS

1 stop16h 40mMultiple Airlines

Tue 21/1017:30BOS - BFS

2 stops12h 50mMultiple Airlines

Deal found 16/9£529

Wed 15/1009:35BFS - BOS

1 stop16h 40mMultiple Airlines

Wed 22/1021:25BOS - BFS

2 stops14h 15mMultiple Airlines

Deal found 16/9£539

Fri 17/1006:05BFS - BOS

1 stop14h 03mMultiple Airlines

Tue 21/1018:10BOS - BFS

2 stops20h 15mMultiple Airlines

Deal found 16/9£860

Fri 17/1006:05BFS - BOS

1 stop14h 03mMultiple Airlines

Mon 20/1018:10BOS - BFS

2 stops21h 15mMultiple Airlines

Deal found 16/9£863

Last-minute flights from Belfast to Boston
Discover last-minute flight deals from Belfast to Boston. Data last updated 18 September 2025 and is based on user searches.

Fri 3/1014:00BHD - BOS

1 stop26h 15mAmerican Airlines

Tue 7/1019:40BOS - BHD

1 stop9h 55mAmerican Airlines

Deal found 17/9£445

Fri 3/1008:35BFS - BOS

2 stops14h 45mMultiple Airlines

Tue 7/1020:15BOS - BFS

2 stops15h 25mMultiple Airlines

Deal found 17/9£528

Mon 13/1015:25BHD - BOS

1 stop25h 00mAmerican Airlines

Tue 21/1020:10BOS - BHD

1 stop11h 50mAmerican Airlines

Deal found 16/9£433

Mon 13/1013:50BHD - BOS

2 stops15h 29mAmerican Airlines

Thu 23/1019:40BOS - BHD

1 stop10h 30mAmerican Airlines

Deal found 16/9£440

Tue 14/1016:25BHD - BOS

1 stop11h 15mAmerican Airlines

Tue 21/1021:55BOS - BHD

1 stop10h 05mAmerican Airlines

Deal found 17/9£434

Tue 14/1016:25BHD - BOS

1 stop11h 15mAmerican Airlines

Mon 27/1008:30BOS - BHD

1 stop22h 10mAmerican Airlines

Deal found 17/9£439

Wed 15/1006:30BHD - BOS

1 stop16h 50mKLM

Thu 23/1018:45BOS - BHD

1 stop21h 30mKLM

Deal found 16/9£421

Wed 15/1006:30BHD - BOS

1 stop16h 50mDelta

Wed 22/1013:05BOS - BHD

2 stops22h 50mDelta

Deal found 16/9£426

Wed 15/1006:30BHD - BOS

1 stop15h 00mKLM

Mon 27/1020:10BOS - BHD

1 stop16h 40mKLM

Deal found 17/9£428

Wed 15/1006:30BHD - BOS

1 stop16h 50mMultiple Airlines

Thu 23/1022:20BOS - BHD

2 stops13h 35mMultiple Airlines

Deal found 16/9£440

Wed 15/1011:30BHD - BOS

2 stops17h 49mAmerican Airlines

Thu 23/1019:40BOS - BHD

1 stop10h 30mAmerican Airlines

Deal found 17/9£441

Wed 15/1009:35BFS - BOS

1 stop16h 40mMultiple Airlines

Fri 24/1023:00BOS - BFS

2 stops19h 20mMultiple Airlines

Deal found 16/9£504

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 18 September 2025.

Thu 16/1007:10BFS - BOS

2 stops19h 05mMultiple Airlines

Deal found 16/9£225

Thu 16/1007:05BHD - BOS

2 stops19h 10mMultiple Airlines

Deal found 16/9£230

Sat 15/1107:25BFS - BOS

2 stops18h 30mMultiple Airlines

Deal found 17/9£283

Sat 18/1021:05BFS - BOS

3 stops52h 00mMultiple Airlines

Deal found 16/9£330

Wed 1/1012:10BHD - BOS

3 stops38h 05mMultiple Airlines

Deal found 16/9£385

Mon 29/907:05BHD - BOS

2 stops35h 43mMultiple Airlines

Deal found 16/9£396

Sat 27/907:00BHD - BOS

3 stops31h 58mMultiple Airlines

Deal found 16/9£410

Fri 17/1017:55BHD - BOS

2 stops29h 50mAer Lingus

Deal found 16/9£444

Fri 17/1017:05BFS - BOS

3 stops27h 30mMultiple Airlines

Deal found 16/9£451

Sat 18/1017:50BHD - BOS

2 stops25h 50mAer Lingus

Deal found 16/9£460

Sat 18/1018:00BHD - BOS

3 stops25h 00mMultiple Airlines

Deal found 16/9£500

Fri 17/1011:55BHD - BOS

1 stop13h 15mMultiple Airlines

Deal found 16/9£500

Fly from

Fly to

Route

Depart

Return

Price

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 3/11

06:40-13:20

2 stops35h 40m

Boston Logan Intl

Mon 10/11

20:00-16:15

1 stop15h 15m

£393

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sun 1/3

20:25-15:55

1 stop24h 30m

Boston Logan Intl

Thu 5/3

07:30-07:30

1 stop19h 00m

£415

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 3/11

06:30-18:55

1 stop17h 25m

Boston Logan Intl

Mon 10/11

17:00-21:00

2 stops23h 00m

£417

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 15/10

06:30-18:20

1 stop16h 50m

Boston Logan Intl

Thu 23/10

18:45-21:15

1 stop21h 30m

£421

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sun 1/3

08:55-15:57

2 stops36h 02m

Boston Logan Intl

Thu 5/3

15:40-20:20

2 stops23h 40m

£421

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 15/10

06:30-18:20

1 stop16h 50m

Boston Logan Intl

Wed 22/10

13:05-16:55

2 stops22h 50m

£426

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 15/10

06:30-16:30

1 stop15h 00m

Boston Logan Intl

Mon 27/10

20:10-16:50

1 stop16h 40m

£428

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 13/10

15:25-11:25

1 stop25h 00m

Boston Logan Intl

Thu 23/10

20:10-11:10

1 stop10h 00m

£433

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 13/10

15:25-11:25

1 stop25h 00m

Boston Logan Intl

Tue 21/10

20:10-13:00

1 stop11h 50m

£433

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Tue 14/10

16:25-22:40

1 stop11h 15m

Boston Logan Intl

Tue 21/10

21:55-13:00

1 stop10h 05m

£434

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 36 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

7,367 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

7,367 reviews

British Airways

6.7

Okay

7,367 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 British Airways, Delta, and KLM fly from Belfast to Boston in about 16h 50m. The time it takes to get you to your destination can typically vary by up to 7h 40m. Belfast and Boston are separated by a distance of 2981 mi. Both multi-stop and direct flights can be found to your destination and back.
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 £339 on this airline. British Airways is currently priced 34% 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

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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£339	Average£513	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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Cheap flights from Belfast to Boston from £225

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 16/10. 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 18 September 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 18 September 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 18 September 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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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 18 September 2025.