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 time of day to fly from BFS to BOS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Belfast Intl Airport to Boston as you normally would.

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

Located just 2.6 mi from the city center, Boston Logan Intl is the airport most travelers will use when flying to Boston from Belfast Intl. Booking flights from Belfast Intl to Logan Intl (BOS) should be relatively easy as there are 0 daily inbound flights from Belfast Intl from 0 different airlines.

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

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

How can I find direct flights from Belfast Intl to Boston?

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

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

Yes. Cheapflights offers flight deals from Belfast Intl 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.

£369+ Cheap Flights from Belfast Intl Airport to Boston

Cheap flight deals from Belfast Intl to Boston

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Belfast Intl to Boston
Explore the most affordable flight options available from Belfast Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 October 2026.

Sat 31/1006:05 -

2 stops18h 55m

Mon 9/1117:15 -

2 stops16h 05m

Deal found 15/10£535

Wed 2/1208:30 -

2 stops35h 35m

Wed 9/1218:00 -

2 stops19h 00m

Deal found 18/10£548

Sun 29/1120:55 -

3 stops52h 35m

Sun 6/1222:10 -

2 stops18h 15m

Deal found 15/10£549

Thu 5/1114:45 -

3 stops28h 55m

Sat 5/1217:15 -

2 stops17h 05m

Deal found 18/10£561

Thu 3/1210:15 -

2 stops33h 25m

Thu 10/1222:20 -

2 stops17h 10m

Deal found 19/10£566

Tue 1/1207:05 -

2 stops15h 45m

Tue 8/1219:50 -

2 stops18h 00m

Deal found 17/10£592

Find flight deals from Belfast Intl to Boston

Round-trip from	£493
One-way from	£369

22/1-28/1
4 total stops
55h 30m total
Belfast to Boston

Search Deals

16/4-31/12
2 total stops
17h 45m total
Belfast to Boston

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

BelfastBoston

BFS Belfast Intl - BOS Boston Logan Intl

BFSBOS

Belfast Intl

Fri 16/4

06:05-18:50

2 stops17h 45m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£369

BelfastBoston

BFS Belfast Intl - BOS Boston Logan Intl

BFSBOS

Belfast Intl

Fri 22/1

13:05-17:50

2 stops33h 45m

Boston Logan Intl

Thu 28/1

19:50-22:35

2 stops21h 45m

£493

BelfastBoston

BFS Belfast Intl - BOS Boston Logan Intl

BFSBOS

Belfast Intl

Wed 2/12

08:30-15:05

2 stops35h 35m

Boston Logan Intl

Wed 9/12

18:00-18:00

2 stops19h 00m

£548

BelfastBoston

BFS Belfast Intl - BOS Boston Logan Intl

BFSBOS

Belfast Intl

Sun 29/11

20:55-20:30

3 stops52h 35m

Boston Logan Intl

Sun 6/12

22:10-21:25

2 stops18h 15m

£549

BelfastBoston

BFS Belfast Intl - BOS Boston Logan Intl

BFSBOS

Belfast Intl

Thu 5/11

14:45-14:40

3 stops28h 55m

Boston Logan Intl

Sat 5/12

17:15-15:20

2 stops17h 05m

£561

BelfastBoston

BFS Belfast Intl - BOS Boston Logan Intl

BFSBOS

Belfast Intl

Thu 3/12

10:15-14:40

2 stops33h 25m

Boston Logan Intl

Thu 10/12

22:20-20:30

2 stops17h 10m

£566

BelfastBoston

BFS Belfast Intl - BOS Boston Logan Intl

BFSBOS

Belfast Intl

Sat 31/10

06:05-21:00

2 stops18h 55m

Boston Logan Intl

Mon 9/11

21:20-19:10

2 stops16h 50m

£576

BelfastBoston

BFS Belfast Intl - BOS Boston Logan Intl

BFSBOS

Belfast Intl

Tue 1/12

07:05-17:50

2 stops15h 45m

Boston Logan Intl

Tue 8/12

19:50-18:50

2 stops18h 00m

£592

Flights are sorted by cheapest return flights first.

Deals found on 16/10

Sorted by cheapest first

Best time to book a flight from Belfast Intl to Boston

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

BFS-BOS

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.

Related info for your journey

What airport do you fly into for flights to Boston from Belfast Intl?
Located just 2.6 mi from the city center, Boston Logan Intl is the airport most travelers will use when flying to Boston from Belfast Intl. Booking flights from Belfast Intl to Logan Intl (BOS) should be relatively easy as there are 0 daily inbound flights from Belfast Intl from 0 different airlines.
Can I find deals for flights from Belfast Intl to Boston that include hotel bookings?
Yes. In addition to deals on Belfast Intl to Boston flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast Intl to Boston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to Boston.
Can I find deals for business class flights from Belfast Intl to Boston?
Yes. Cheapflights offers flight deals from Belfast Intl 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.

See more FAQs

Burlington

Canton

North Truro

Warwick

Cambridge

Waltham

Wellfleet

Peabody

Revere

Somerville

Quincy

Chelmsford

Raynham

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Boston flight routes

Complete your trip

Direct flights to Massachusetts

Flights by cabin class

Other flight options

Other flights from Belfast Intl

Popular flights

Alternative routes for Belfast Intl to Boston

Belfast City to Boston flights

Belfast Intl to Hartford flights

Belfast City to Hartford flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Boston from Belfast Intl today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Belfast Intl to Boston.

Can Cheapflights find flights from Belfast Intl 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 Intl 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 Intl to Boston become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Boston from Belfast Intl today and book when prices fit your budget.

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.

Cheap flights from Belfast Intl Airport to Boston from £369

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast Intl to Boston

Cheapest flights from Belfast Intl to BostonExplore the most affordable flight options available from Belfast Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 October 2026.

Explore the most affordable flight options available from Belfast Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 October 2026.

Best flights from Belfast Intl to BostonDiscover carefully curated flight deals from Belfast Intl to Boston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 October 2026.

Discover carefully curated flight deals from Belfast Intl to Boston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 October 2026.

Last-minute flights from Belfast Intl to BostonDiscover last-minute flight deals from Belfast Intl to Boston. Data last updated 19 October 2026 and is based on user searches.

Discover last-minute flight deals from Belfast Intl to Boston. Data last updated 19 October 2026 and is based on user searches.

One-way flights from Belfast Intl to BostonSearch for one-way flight options from Belfast Intl to Boston. Find affordable one-way fares based on user searches. Data last updated 19 October 2026.

Search for one-way flight options from Belfast Intl to Boston. Find affordable one-way fares based on user searches. Data last updated 19 October 2026.

Find flight deals from Belfast Intl to Boston

Round-trip from

One-way from

Cheapflights Fare Finder

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

Best time to book a flight from Belfast Intl to Boston

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

Related info for your journey

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

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

How can I find direct flights from Belfast Intl to Boston?

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

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

Other flights to Boston

Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 19 October 2026.

Complete your trip

Complete your trip to Boston by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Massachusetts

Book a non-stop flight to one of these other cities located in Massachusetts.

Search flights from Belfast Intl to Boston by cabin class

Find flights from Belfast Intl to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Belfast Intl and Boston flights

Browse other Belfast Intl and Boston flight options. Last updated on 19 October 2026.

Other flights from Belfast Intl

Browse through other flights departing from Belfast Intl. Flights are based on user searches made on Cheapflights and were last updated on 19 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Belfast Intl to Boston
Explore the most affordable flight options available from Belfast Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 October 2026.

Best flights from Belfast Intl to Boston
Discover carefully curated flight deals from Belfast Intl to Boston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 October 2026.

Last-minute flights from Belfast Intl to Boston
Discover last-minute flight deals from Belfast Intl to Boston. Data last updated 19 October 2026 and is based on user searches.

One-way flights from Belfast Intl to Boston
Search for one-way flight options from Belfast Intl to Boston. Find affordable one-way fares based on user searches. Data last updated 19 October 2026.