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Cheap flights from Boston to Belfast City Airport from £203

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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BHD
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Boston to Belfast City

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Belfast City (BHD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 September 2025.

Round-trip from

£400

One-way from

£203

Popular in

December

Cheapest in

February

Average price

£464
American Airlines
  • American Airlines
  • 30/9-8/10
  • 2 total stops
  • 36h 10m total
  • Boston to Belfast
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American Airlines
  • American Airlines
  • 6/3
  • 1 total stop
  • 13h 50m total
  • Boston to Belfast
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£57 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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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 12 September 2025.

Tue 30/920:10BOS - BHD
1 stop11h 50mAmerican Airlines
Wed 8/1016:05BHD - BOS
1 stop24h 20mAmerican Airlines
Deal found 10/9£400
Tue 7/1015:00BOS - BHD
2 stops14h 35mAmerican Airlines
Tue 14/1016:25BHD - BOS
1 stop24h 00mAmerican Airlines
Deal found 11/9£404
Wed 12/1115:47BOS - BHD
2 stops13h 28mAmerican Airlines
Wed 19/1111:25BHD - BOS
2 stops16h 22mAmerican Airlines
Deal found 11/9£411
Sun 5/1020:10BOS - BHD
1 stop13h 30mAmerican Airlines
Sun 12/1006:50BHD - BOS
2 stops15h 25mAmerican Airlines
Deal found 10/9£433
Fri 10/1021:55BOS - BHD
1 stop12h 35mBritish Airways
Fri 17/1006:35BHD - BOS
1 stop18h 35mBritish Airways
Deal found 10/9£442
Sun 5/1020:10BOS - BHD
1 stop10h 20mMultiple Airlines
Sun 12/1006:50BHD - BOS
1 stop15h 20mMultiple Airlines
Deal found 10/9£444
Tue 30/916:30BOS - BHD
2 stops13h 05mIberia
Wed 8/1006:50BHD - BOS
2 stops15h 25mIberia
Deal found 10/9£445
Mon 22/920:10BOS - BHD
1 stop11h 45mAmerican Airlines
Sun 28/906:50BHD - BOS
1 stop20h 55mAmerican Airlines
Deal found 10/9£448
Fri 7/1121:35BOS - BHD
1 stop11h 40mBritish Airways
Mon 10/1111:30BHD - BOS
1 stop15h 25mBritish Airways
Deal found 10/9£450
Sat 11/1020:10BOS - BHD
1 stop11h 05mAmerican Airlines
Sat 18/1016:15BHD - BOS
1 stop24h 10mAmerican Airlines
Deal found 11/9£452

Cheapflights Fare Finder

 
Customise your flight search to find flights from Boston to Belfast City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 September 2025.
Use the filters below to find and compare flights from Boston to Belfast City Airport that are best for you.

Fly from

Boston

Fly to

Belfast City

Route

Depart

Return

Price

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 30/9

20:10-13:00

1 stop11h 50m

Belfast City

Wed 8/10

16:05-11:25

1 stop24h 20m

£400

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 7/10

20:10-13:00

1 stop11h 50m

Belfast City

Tue 14/10

16:25-11:25

1 stop24h 00m

£400

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 8/10

20:10-11:55

1 stop10h 45m

Belfast City

Wed 15/10

16:05-11:25

1 stop24h 20m

£400

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 12/11

19:25-10:15

1 stop9h 50m

Belfast City

Wed 19/11

06:35-16:10

1 stop14h 35m

£400

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 5/10

20:10-14:40

1 stop13h 30m

Belfast City

Sun 12/10

06:50-17:15

2 stops15h 25m

£433

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 10/10

21:55-15:30

1 stop12h 35m

Belfast City

Fri 17/10

06:35-20:10

1 stop18h 35m

£442

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 5/10

20:10-11:30

1 stop10h 20m

Belfast City

Sun 12/10

06:50-17:10

1 stop15h 20m

£444

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 12/12

18:55-10:30

1 stop10h 35m

Belfast City

Mon 15/12

19:25-21:55

1 stop31h 30m

£445

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 6/3

19:25-14:15

1 stop13h 50m

£203

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 6/3

19:28-14:15

2 stops13h 47m

£207

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 12 results
1
2

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.

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?

    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.

  • How long is the flight from Boston to Belfast City Airport?

    American Airlines can get you from Boston to Belfast City Airport in just under 11h 50m. Your travel time can differ by up to . The distance from Boston to Belfast City Airport is about 2981 mi.

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

    £203 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on British Airways and Delta, with prices starting from £207 and £218, 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

Travelling to a place near Belfast City Airport?

Book flights to Belfast City Airport if you plan to visit one of these locations
Newcastle
Bangor
Carrickfergus

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Boston to Belfast City

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Belfast Intl flights
Hartford to Belfast City flights

Fly with Cheapflights

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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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