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

According to our current data, British Airways (£390), American Airlines (£402), and KLM (£419) offers the cheapest pricing from Boston to Belfast City Airport.

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.

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.

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).

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 £565. You can even find prices in February for less than £565, as users have found deals to Belfast City Airport from as low as £418. The month of December 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 35%.

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.

£212+ Flights from Boston to Belfast City Airport

Cheap flight deals from Boston to Belfast City

Round-trip from	£390
One-way from	£212
Popular in	December
Cheapest in	February
Average price	£722

British Airways
10/11-17/11
2 total stops
21h 55m total
Boston to Belfast

Search Deals

25/9
2 total stops
39h 17m total
Boston to Belfast

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£57 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 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 17 July 2025.

Mon 10/1119:25BOS - BHD

1 stop10h 15mBritish Airways

Mon 17/1109:15BHD - BOS

1 stop11h 40mBritish Airways

Deal found 16/7£390

Wed 3/920:05BOS - BHD

1 stop10h 50mAmerican Airlines

Sun 7/915:50BHD - BOS

1 stop24h 25mAmerican Airlines

Deal found 16/7£402

Wed 3/920:15BOS - BHD

1 stop20h 00mDelta

Sun 7/917:25BHD - BOS

2 stops19h 03mDelta

Deal found 16/7£426

Sat 26/716:45BOS - BHD

1 stop23h 30mKLM

Fri 1/817:25BHD - BOS

1 stop28h 10mKLM

Deal found 15/7£437

Wed 13/810:20BOS - BHD

3 stops25h 05mMultiple Airlines

Wed 20/814:25BHD - BOS

3 stops29h 10mMultiple Airlines

Deal found 14/7£574

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 17 July 2025.

Mon 10/1119:25BOS - BHD

1 stop10h 15mBritish Airways

Mon 17/1109:15BHD - BOS

1 stop11h 40mBritish Airways

Deal found 16/7£390

Wed 3/920:05BOS - BHD

1 stop10h 50mAmerican Airlines

Sun 7/915:50BHD - BOS

1 stop24h 25mAmerican Airlines

Deal found 16/7£402

Sun 7/918:45BOS - BHD

1 stop17h 10mKLM

Tue 16/917:25BHD - BOS

1 stop28h 05mKLM

Deal found 14/7£419

Wed 3/920:15BOS - BHD

1 stop20h 00mDelta

Sun 7/917:25BHD - BOS

2 stops19h 03mDelta

Deal found 16/7£426

Sun 7/920:15BOS - BHD

1 stop15h 40mMultiple Airlines

Wed 17/906:30BHD - BOS

2 stops14h 30mMultiple Airlines

Deal found 14/7£427

Last-minute flights from Boston to Belfast City
Discover last-minute flight deals from Boston to Belfast City. Data last updated 17 July 2025 and is based on user searches.

Thu 17/715:15BOS - BHD

2 stops20h 40mDelta

Thu 24/706:30BHD - BOS

1 stop15h 00mDelta

Deal found 16/7£459

Sat 26/716:45BOS - BHD

1 stop23h 30mKLM

Fri 1/817:25BHD - BOS

1 stop28h 10mKLM

Deal found 15/7£437

Sat 26/720:05BOS - BHD

1 stop11h 10mBritish Airways

Fri 1/814:00BHD - BOS

2 stops32h 23mBritish Airways

Deal found 14/7£541

Sun 3/820:05BOS - BHD

1 stop10h 25mAmerican Airlines

Tue 19/809:35BHD - BOS

1 stop30h 50mAmerican Airlines

Deal found 15/7£404

Wed 13/810:20BOS - BHD

3 stops25h 05mMultiple Airlines

Wed 20/814:25BHD - BOS

3 stops29h 10mMultiple Airlines

Deal found 14/7£574

Wed 27/820:10BOS - BHD

1 stop12h 20mBritish Airways

Wed 3/920:15BHD - BOS

1 stop20h 00mBritish Airways

Deal found 16/7£401

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 17 July 2025.

Thu 25/914:18BOS - BHD

2 stops39h 17mMultiple Airlines

Deal found 14/7£212

Fri 5/920:15BOS - BHD

1 stop15h 40mKLM

Deal found 14/7£220

Fri 5/913:20BOS - BHD

2 stops22h 35mDelta

Deal found 14/7£224

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

Mon 10/11

19:25-10:40

1 stop10h 15m

Belfast City

Mon 17/11

09:15-15:55

1 stop11h 40m

£390

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 3/9

20:05-11:55

1 stop10h 50m

Belfast City

Sun 7/9

15:50-11:15

1 stop24h 25m

£402

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 7/9

18:45-16:55

1 stop17h 10m

Belfast City

Tue 16/9

17:25-16:30

1 stop28h 05m

£419

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 3/9

20:15-21:15

1 stop20h 00m

Belfast City

Sun 7/9

17:25-07:28

2 stops19h 03m

£426

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 7/9

20:15-16:55

1 stop15h 40m

Belfast City

Wed 17/9

06:30-16:00

2 stops14h 30m

£427

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 25/9

14:18-10:35

2 stops39h 17m

£212

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 5/9

20:15-16:55

1 stop15h 40m

£220

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 5/9

13:20-16:55

2 stops22h 35m

£224

Flights are sorted by cheapest return flights first.

Deals found on 14/7

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.

Reviews of airlines servicing Belfast City

See what other customers who have flown with Delta, KLM, andAmerican Airlines from Boston to Belfast City Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,957 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

7,957 reviews

Delta

8.0

Very Good

7,957 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

1,373 reviews

Delta

8.0

Very Good

7,957 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

7,957 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

7,145 reviews

Delta

8.0

Very Good

7,957 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, British Airways (£390), American Airlines (£402), and KLM (£419) offers the cheapest pricing from Boston to Belfast City Airport.
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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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 £212

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 25/9. 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 17 July 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 17 July 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.

Reviews of airlines servicing Belfast City

See what other customers who have flown with Delta, KLM, andAmerican Airlines from Boston to Belfast City Airport have to say. You can also see how each airline compares 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?

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 Belfast City Airport?

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?

100% Free

Book with Flexibility

Travel Smart

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 17 July 2025.