What are the cheapest airlines flying from Belfast to Boston round-trip?

Our cheapest airline available from Belfast to Boston is American Airlines. Our recent data shows that you can find tickets from as low as £453 on this airline. Additional options worth looking into are Delta and British Airways, starting at £455 and £466 round-trip. American Airlines is currently priced 22% 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 £582. Cheapflights users have found deals in the month of February for as cheap as £387. 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.

£304+ Flights from Belfast to Boston

Cheap flight deals from Belfast to Boston

Round-trip from	£453
One-way from	£304
Popular in	November
Cheapest in	February
Average price	£528

American Airlines
24/8-2/9
2 total stops
34h 30m total
Belfast to Boston

Search Deals

2/12
2 total stops
19h 30m total
Belfast to Boston

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£64 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 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 3 July 2025.

Sun 24/815:50BHD - BOS

1 stop24h 35mAmerican Airlines

Tue 2/919:40BOS - BHD

1 stop9h 55mAmerican Airlines

Deal found 1/7£453

Mon 25/806:30BHD - BOS

1 stop15h 05mDelta

Mon 1/920:50BOS - BHD

2 stops19h 25mDelta

Deal found 2/7£455

Mon 25/819:30BHD - BOS

1 stop20h 55mBritish Airways

Mon 1/920:10BOS - BHD

1 stop11h 45mBritish Airways

Deal found 2/7£466

Mon 25/806:45BFS - BOS

2 stops16h 05mMultiple Airlines

Mon 1/919:15BOS - BFS

2 stops22h 45mMultiple Airlines

Deal found 2/7£514

Sun 24/810:20BHD - BOS

2 stops34h 15mMultiple Airlines

Tue 2/917:40BOS - BHD

2 stops14h 15mMultiple Airlines

Deal found 1/7£558

Mon 25/818:45BHD - BOS

2 stops24h 55mAer Lingus

Mon 1/921:25BOS - BHD

2 stops14h 00mAer Lingus

Deal found 2/7£720

Fri 22/806:30BHD - BOS

1 stop12h 05mVirgin Atlantic

Sat 23/818:45BOS - BHD

1 stop21h 30mVirgin Atlantic

Deal found 2/7£1,798

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 3 July 2025.

Sun 24/815:50BHD - BOS

1 stop24h 35mAmerican Airlines

Tue 2/919:40BOS - BHD

1 stop9h 55mAmerican Airlines

Deal found 1/7£453

Mon 25/806:30BHD - BOS

1 stop15h 05mDelta

Mon 1/920:50BOS - BHD

2 stops19h 25mDelta

Deal found 2/7£455

Mon 25/819:30BHD - BOS

1 stop20h 55mBritish Airways

Mon 1/920:10BOS - BHD

1 stop11h 45mBritish Airways

Deal found 2/7£466

Mon 25/806:45BFS - BOS

2 stops16h 05mMultiple Airlines

Mon 1/919:15BOS - BFS

2 stops22h 45mMultiple Airlines

Deal found 2/7£514

Mon 25/818:45BHD - BOS

2 stops24h 55mAer Lingus

Mon 1/921:25BOS - BHD

2 stops14h 00mAer Lingus

Deal found 2/7£720

Sun 24/810:20BHD - BOS

2 stops34h 15mMultiple Airlines

Tue 2/917:40BOS - BHD

2 stops14h 15mMultiple Airlines

Deal found 1/7£558

Fri 22/806:30BHD - BOS

1 stop12h 05mVirgin Atlantic

Sat 23/818:45BOS - BHD

1 stop21h 30mVirgin Atlantic

Deal found 2/7£1,798

Last-minute flights from Belfast to Boston
Discover last-minute flight deals from Belfast to Boston. Data last updated 3 July 2025 and is based on user searches.

Fri 22/806:30BHD - BOS

1 stop12h 05mVirgin Atlantic

Sat 23/818:45BOS - BHD

1 stop21h 30mVirgin Atlantic

Deal found 2/7£1,798

Sun 24/815:50BHD - BOS

1 stop24h 35mAmerican Airlines

Tue 2/919:40BOS - BHD

1 stop9h 55mAmerican Airlines

Deal found 1/7£453

Sun 24/810:20BHD - BOS

2 stops34h 15mMultiple Airlines

Tue 2/917:40BOS - BHD

2 stops14h 15mMultiple Airlines

Deal found 1/7£558

Mon 25/806:30BHD - BOS

1 stop15h 05mDelta

Mon 1/920:50BOS - BHD

2 stops19h 25mDelta

Deal found 2/7£455

Mon 25/819:30BHD - BOS

1 stop20h 55mBritish Airways

Mon 1/920:10BOS - BHD

1 stop11h 45mBritish Airways

Deal found 2/7£466

Mon 25/806:45BFS - BOS

2 stops16h 05mMultiple Airlines

Mon 1/919:15BOS - BFS

2 stops22h 45mMultiple Airlines

Deal found 2/7£514

Mon 25/818:45BHD - BOS

2 stops24h 55mAer Lingus

Mon 1/921:25BOS - BHD

2 stops14h 00mAer Lingus

Deal found 2/7£720

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 3 July 2025.

Tue 2/1206:25BFS - BOS

2 stops19h 30mMultiple Airlines

Deal found 2/7£304

Tue 2/1207:20BHD - BOS

3 stops36h 10mMultiple Airlines

Deal found 2/7£368

Tue 2/1214:35BHD - BOS

2 stops28h 15mAer Lingus

Deal found 2/7£439

Tue 2/1219:25BHD - BOS

1 stop23h 55mBritish Airways

Deal found 2/7£473

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sun 24/8

15:50-11:25

1 stop24h 35m

Boston Logan Intl

Tue 2/9

19:40-10:35

1 stop9h 55m

£453

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 25/8

06:30-16:35

1 stop15h 05m

Boston Logan Intl

Mon 1/9

20:50-21:15

2 stops19h 25m

£455

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 25/8

19:30-11:25

1 stop20h 55m

Boston Logan Intl

Mon 1/9

20:10-12:55

1 stop11h 45m

£466

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 25/8

06:45-17:50

2 stops16h 05m

Boston Logan Intl

Mon 1/9

19:15-23:00

2 stops22h 45m

£514

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sun 24/8

10:20-15:35

2 stops34h 15m

Boston Logan Intl

Tue 2/9

17:40-12:55

2 stops14h 15m

£558

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 25/8

18:45-14:40

2 stops24h 55m

Boston Logan Intl

Mon 1/9

21:25-16:25

2 stops14h 00m

£720

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Fri 22/8

06:30-13:35

1 stop12h 05m

Boston Logan Intl

Sat 23/8

18:45-21:15

1 stop21h 30m

£1,798

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Tue 2/12

06:25-20:55

2 stops19h 30m

£304

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Tue 2/12

07:20-14:30

3 stops36h 10m

£368

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Tue 2/12

14:35-13:50

2 stops28h 15m

£439

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 11 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 Delta, Virgin Atlantic, andAmerican Airlines 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.

Delta

8.0

Very Good

7,983 reviews

Check prices

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

7,983 reviews

Delta

8.0

Very Good

7,983 reviews

Check prices

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!

Virgin Atlantic

7.4

Good

654 reviews

Delta

8.0

Very Good

7,983 reviews

Check prices

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

7,983 reviews

Check prices

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

1,144 reviews

Delta

8.0

Very Good

7,983 reviews

Check prices

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!

British Airways

6.6

Okay

7,089 reviews

Delta

8.0

Very Good

7,983 reviews

Check prices

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 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.
What are the cheapest airlines flying from Belfast to Boston round-trip?
Our cheapest airline available from Belfast to Boston is American Airlines. Our recent data shows that you can find tickets from as low as £453 on this airline. Additional options worth looking into are Delta and British Airways, starting at £455 and £466 round-trip. American Airlines is currently priced 22% 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

Browse thousands of different options on Cheapflights for your next trip

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£339	Average£520	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 £304

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 2/12. 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 3 July 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 3 July 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 3 July 2025.

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 3 July 2025.

Read reviews from past customers who have flown with Delta, Virgin Atlantic, andAmerican Airlines 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?

What are the cheapest airlines flying 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 Belfast?

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 3 July 2025.