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

According to our current data, KLM (£415), British Airways (£446), and Delta (£459) offers the cheapest pricing from Boston to Belfast City Airport.

What are the cheapest airlines to fly from Boston to Belfast City Airport one-way?

£235 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on British Airways and American Airlines, with prices starting from £239 and £430, respectively.

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

Currently, April is the cheapest month in which you can book a flight from Boston to Belfast City Airport (average of £98). Flying from Boston to Belfast City Airport in December is currently the most expensive (average of £116). 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 Boston to Belfast City Airport?

The best pricing can be found in the month of February. Prices to Belfast City Airport from Boston average £552. You can even find prices in February for less than £552, as users have found deals to Belfast City Airport from as low as £429. The month of July appears to be one of the more expensive times to travel to Belfast City Airport from Boston. Flying in the targeted month can save you up to 29%.

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

When flying from Boston to Belfast City Airport, 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 from for flights from Boston to Belfast City?

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

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

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

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

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

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

Yes. Cheapflights offers flight deals from Boston to Belfast City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£235+ Flights from Boston to Belfast City Airport

Cheap flight deals from Boston to Belfast City

Round-trip from	£412
One-way from	£235
Popular in	July
Cheapest in	February
Average price	£623

KLM
10/9-18/9
2 total stops
27h 50m total
Boston to Belfast

Search Deals

Iberia
4/10
1 total stop
9h 30m total
Boston to Belfast

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£62 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Find flight deals from Boston to Belfast City

Cheapest flights from Boston to Belfast City
Explore the most affordable flight options available from Boston to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Wed 10/920:15BOS - BHD

1 stop15h 40mMultiple Airlines

Thu 18/906:30BHD - BOS

1 stop12h 10mMultiple Airlines

Deal found 12/6£412

Mon 8/920:50BOS - BHD

2 stops15h 05mKLM

Tue 16/906:30BHD - BOS

1 stop16h 55mKLM

Deal found 12/6£415

Wed 27/819:45BOS - BHD

1 stop11h 10mBritish Airways

Wed 3/916:05BHD - BOS

1 stop11h 40mBritish Airways

Deal found 13/6£446

Wed 10/920:50BOS - BHD

2 stops15h 05mDelta

Thu 18/906:30BHD - BOS

2 stops14h 41mDelta

Deal found 12/6£459

Sun 12/1021:55BOS - BHD

1 stop10h 10mAmerican Airlines

Sun 19/1013:00BHD - BOS

2 stops14h 49mAmerican Airlines

Deal found 12/6£471

Wed 27/821:25BOS - BHD

2 stops15h 15mAer Lingus

Wed 3/906:55BHD - BOS

2 stops12h 45mAer Lingus

Deal found 13/6£598

Best flights from Boston to Belfast City
Discover carefully curated flight deals from Boston to Belfast City that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 June 2025.

Wed 10/920:15BOS - BHD

1 stop15h 40mMultiple Airlines

Thu 18/906:30BHD - BOS

1 stop12h 10mMultiple Airlines

Deal found 12/6£412

Mon 8/920:50BOS - BHD

2 stops15h 05mKLM

Tue 16/906:30BHD - BOS

1 stop16h 55mKLM

Deal found 12/6£415

Wed 27/819:45BOS - BHD

1 stop11h 10mBritish Airways

Wed 3/916:05BHD - BOS

1 stop11h 40mBritish Airways

Deal found 13/6£446

Wed 10/920:50BOS - BHD

2 stops15h 05mDelta

Thu 18/906:30BHD - BOS

2 stops14h 41mDelta

Deal found 12/6£459

Sun 12/1021:55BOS - BHD

1 stop10h 10mAmerican Airlines

Sun 19/1013:00BHD - BOS

2 stops14h 49mAmerican Airlines

Deal found 12/6£471

Wed 27/821:25BOS - BHD

2 stops15h 15mAer Lingus

Wed 3/906:55BHD - BOS

2 stops12h 45mAer Lingus

Deal found 13/6£598

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

Wed 18/617:36BOS - BHD

2 stops22h 39mDelta

Tue 24/608:30BHD - BOS

2 stops20h 26mDelta

Deal found 12/6£1,460

Sun 22/605:50BOS - BHD

3 stops27h 40mMultiple Airlines

Fri 27/606:45BHD - BOS

3 stops39h 52mMultiple Airlines

Deal found 11/6£957

Sun 22/620:10BOS - BHD

1 stop13h 30mBritish Airways

Fri 27/611:00BHD - BOS

2 stops16h 19mBritish Airways

Deal found 11/6£1,335

Fri 27/618:35BOS - BHD

1 stop17h 20mKLM

Mon 30/617:25BHD - BOS

1 stop25h 10mKLM

Deal found 11/6£537

Fri 27/620:15BOS - BHD

1 stop15h 40mMultiple Airlines

Mon 30/606:30BHD - BOS

2 stops14h 44mMultiple Airlines

Deal found 11/6£596

Fri 27/617:05BOS - BHD

2 stops23h 10mDelta

Mon 30/606:30BHD - BOS

2 stops14h 44mDelta

Deal found 11/6£600

Sat 12/717:30BOS - BHD

2 stops16h 00mAer Lingus

Tue 15/717:55BHD - BOS

2 stops25h 45mAer Lingus

Deal found 12/6£890

Mon 21/716:30BOS - BHD

2 stops16h 10mBritish Airways

Tue 22/718:30BHD - BOS

1 stop30h 40mBritish Airways

Deal found 12/6£454

Sat 26/720:05BOS - BHD

1 stop11h 10mAmerican Airlines

Sun 27/715:50BHD - BOS

1 stop24h 30mAmerican Airlines

Deal found 10/6£486

One-way flights from Boston to Belfast City
Search for one-way flight options from Boston to Belfast City. Find affordable one-way fares based on user searches. Data last updated 13 June 2025.

Sat 4/1019:40BOS - BHD

1 stop9h 30mIberia

Deal found 10/6£235

Wed 16/720:50BOS - BHD

3 stops19h 00mMultiple Airlines

Deal found 11/6£236

Sat 4/1016:30BOS - BHD

2 stops12h 40mBritish Airways

Deal found 10/6£239

Mon 30/620:10BOS - BHD

1 stop11h 45mAmerican Airlines

Deal found 13/6£430

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 10/9

20:15-16:55

1 stop15h 40m

Belfast City

Thu 18/9

06:30-13:40

1 stop12h 10m

£412

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 8/9

20:50-16:55

2 stops15h 05m

Belfast City

Tue 16/9

06:30-18:25

1 stop16h 55m

£415

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 27/8

19:45-11:55

1 stop11h 10m

Belfast City

Wed 3/9

16:05-22:45

1 stop11h 40m

£446

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 10/9

20:50-16:55

2 stops15h 05m

Belfast City

Thu 18/9

06:30-16:11

2 stops14h 41m

£459

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 12/10

21:55-13:05

1 stop10h 10m

Belfast City

Sun 19/10

13:00-22:49

2 stops14h 49m

£471

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 27/8

21:25-17:40

2 stops15h 15m

Belfast City

Wed 3/9

06:55-14:40

2 stops12h 45m

£598

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sat 4/10

19:40-10:10

1 stop9h 30m

£235

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 16/7

20:50-20:50

3 stops19h 00m

£236

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sat 4/10

16:30-10:10

2 stops12h 40m

£239

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 30/6

20:10-12:55

1 stop11h 45m

£430

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Best time to book a flight from Boston to Belfast City

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

Rainfall in Belfast City by month

In terms of precipitation, rainfall in Belfast City Airport ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast City Airport when rainfall is around 50.0 mm.

Temperature in Belfast City by month

If weather is an important factor for your trip to Belfast City Airport, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Belfast City

Read through reviews of airlines operating flights from Boston to Belfast, such as Delta, KLM and American Airlines. 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

7,950 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

7,950 reviews

Delta

8.0

Very Good

7,950 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!

KLM

7.8

Good

1,358 reviews

Delta

8.0

Very Good

7,950 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

7,950 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

1,118 reviews

Delta

8.0

Very Good

7,950 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!

Iberia

7.0

Good

2,776 reviews

Delta

8.0

Very Good

7,950 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 from for flights from Boston to Belfast City?
Located just 2.6 mi from the city center, Boston Logan Intl is the airport most travelers will use when flying to Belfast City from Boston. Booking flights from Logan Intl (BOS) to Belfast City should be relatively easy as there are 0 daily outbound flights to Belfast City from 0 different airlines.
What are the cheapest airlines flying from Boston to Belfast City Airport round-trip?
According to our current data, KLM (£415), British Airways (£446), and Delta (£459) offers the cheapest pricing from Boston to Belfast City Airport.
What are the cheapest airlines to fly from Boston to Belfast City Airport one-way?
£235 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on British Airways and American Airlines, with prices starting from £239 and £430, respectively.
Can I find deals for flights from Boston to Belfast City that include hotel bookings?
Yes. In addition to deals on Boston to Belfast City flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Boston to Belfast City?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Belfast City.
Can I find deals for business class flights from Boston to Belfast City?
Yes. Cheapflights offers flight deals from Boston to Belfast City 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 Boston to Belfast City Airport?
Currently, April is the cheapest month in which you can book a flight from Boston to Belfast City Airport (average of £98). Flying from Boston to Belfast City Airport in December is currently the most expensive (average of £116). 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

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Bangor

Carrickfergus

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Belfast City Airport to London Heathrow Airport flights

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

Deals for Boston to Belfast City flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

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 Boston to Belfast City.

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

Need flexible booking options for your flight to Belfast City from Boston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Boston to Belfast City Airport from £235

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Boston to Belfast City

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Boston to Belfast City

Cheapest flights from Boston to Belfast CityExplore the most affordable flight options available from Boston to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Explore the most affordable flight options available from Boston to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Boston to Belfast City

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

Cheapflights Insights

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

Rainfall in Belfast City by month

Plan your trip to Belfast City by taking into account the average rainfall totals by month.

Temperature in Belfast City by month

Plan your trip to Belfast City by taking into account the average temperature totals by month.

Reviews of airlines servicing Belfast City

Read through reviews of airlines operating flights from Boston to Belfast, such as Delta, KLM and American Airlines. 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 Boston to Belfast City. 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 from for flights from Boston to Belfast City?

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

What are the cheapest airlines to fly from Boston to Belfast City Airport one-way?

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

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

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

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

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 Boston to Belfast City

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

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 Boston to Belfast City?

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

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

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

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Cheapest flights from Boston to Belfast City
Explore the most affordable flight options available from Boston to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.