Cheap flights from Boston to Belfast City Airport from £188

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BHD
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

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 28 October 2025.

Round-trip from

£419

One-way from

£188

Popular in

December

Cheapest in

September

Average price

£499
Delta
  • Delta
  • 18/11-26/11
  • 2 total stops
  • 45h 50m total
  • Boston to Belfast
26/1
  • 26/1
  • 3 total stops
  • 50h 35m total
  • Boston to Belfast
Highest demand for flights based on searches. 11% potential increase in price (£53 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Average for round-trip flights in October 2025

Find flight deals from Boston to Belfast City

Enter your travel dates to find the best prices.

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 28 October 2025.

Tue 18/1119:10BOS - BHD
1 stop20h 50mDelta
Wed 26/1117:20BHD - BOS
1 stop25h 00mDelta
Deal found 26/10£419
Mon 17/1117:00BOS - BHD
2 stops18h 50mDelta
Thu 27/1106:30BHD - BOS
1 stop11h 50mDelta
Deal found 26/10£422
Tue 11/1119:10BOS - BHD
1 stop16h 40mMultiple Airlines
Tue 18/1106:30BHD - BOS
2 stops17h 25mMultiple Airlines
Deal found 26/10£427
Mon 17/1117:00BOS - BHD
2 stops18h 50mDelta
Tue 25/1106:30BHD - BOS
2 stops14h 44mDelta
Deal found 26/10£430
Mon 27/1022:20BOS - BHD
2 stops30h 05mBritish Airways
Wed 29/1011:25BHD - BOS
1 stop13h 20mBritish Airways
Deal found 26/10£440
Fri 12/1219:15BOS - BHD
1 stop10h 15mAmerican Airlines
Fri 19/1206:45BHD - BOS
1 stop14h 15mAmerican Airlines
Deal found 28/10£442
Wed 19/1107:30BOS - BHD
1 stop20h 40mBritish Airways
Wed 26/1111:25BHD - BOS
1 stop13h 20mBritish Airways
Deal found 26/10£443
Wed 12/1115:47BOS - BHD
2 stops13h 28mAmerican Airlines
Mon 17/1109:15BHD - BOS
1 stop11h 55mAmerican Airlines
Deal found 26/10£446
Thu 13/1119:10BOS - BHD
1 stop16h 40mKLM
Tue 18/1106:30BHD - BOS
1 stop11h 50mKLM
Deal found 26/10£457
Wed 12/1116:42BOS - BHD
2 stops19h 08mDelta
Mon 17/1106:30BHD - BOS
1 stop11h 50mDelta
Deal found 26/10£460
Tue 11/1115:47BOS - BHD
2 stops13h 43mBritish Airways
Tue 18/1110:00BHD - BOS
2 stops15h 01mBritish Airways
Deal found 26/10£462
Tue 18/1119:10BOS - BHD
1 stop16h 40mMultiple Airlines
Mon 24/1106:30BHD - BOS
2 stops16h 56mMultiple Airlines
Deal found 26/10£464

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 28 October 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

Wed 12/11

20:50-16:50

1 stop15h 00m

Belfast City

Mon 17/11

17:20-13:20

1 stop25h 00m

£419

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 17/11

20:50-21:00

1 stop19h 10m

Belfast City

Tue 25/11

17:20-18:55

1 stop30h 35m

£419

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 18/11

19:10-16:50

1 stop16h 40m

Belfast City

Tue 25/11

06:30-13:20

1 stop11h 50m

£419

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 17/11

19:10-21:00

1 stop20h 50m

Belfast City

Wed 26/11

06:30-13:20

1 stop11h 50m

£419

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 17/11

19:10-16:50

1 stop16h 40m

Belfast City

Thu 27/11

06:30-13:20

1 stop11h 50m

£419

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 17/11

19:10-16:50

1 stop16h 40m

Belfast City

Mon 24/11

17:20-13:20

1 stop25h 00m

£419

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 18/11

17:00-16:50

2 stops18h 50m

Belfast City

Tue 25/11

06:30-13:20

1 stop11h 50m

£422

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 18/11

17:00-16:50

2 stops18h 50m

Belfast City

Wed 26/11

06:30-13:20

1 stop11h 50m

£422

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 18/11

17:00-16:50

2 stops18h 50m

Belfast City

Thu 27/11

06:30-18:23

2 stops16h 53m

£430

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 12/12

19:15-10:30

1 stop10h 15m

Belfast City

Fri 19/12

06:45-16:00

1 stop14h 15m

£442

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Showing 1-10 of 19 results
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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?

    Delta and KLM can get you from Boston to Belfast City Airport in just under 16h 40m. Your travel time can differ by up to 2h 30m. The distance from Boston to Belfast City Airport is about 2981 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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.

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
Bangor
Newcastle
Carrickfergus

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Alternative routes for Boston to Belfast City

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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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