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Cheap flights from Belfast to Boston from £279

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 21/1. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BOS
8 Jan — 15 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Boston

Enter your travel dates to find the best prices.

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 9 December 2025.

Mon 2/206:00BFS - BOS
2 stops19h 55mMultiple Airlines
Tue 10/220:00BOS - BFS
1 stop32h 20mMultiple Airlines
Deal found 8/12£462
Mon 12/117:20BHD - BOS
1 stop25h 10mDelta
Tue 20/113:00BOS - BHD
2 stops22h 50mDelta
Deal found 7/12£530
Mon 2/206:35BHD - BOS
2 stops14h 13mAmerican Airlines
Tue 10/215:35BOS - BHD
2 stops14h 55mAmerican Airlines
Deal found 8/12£545
Thu 29/120:00BHD - BOS
2 stops28h 50mBritish Airways
Mon 2/212:56BOS - BHD
2 stops20h 19mBritish Airways
Deal found 7/12£551
Thu 22/106:30BFS - BOS
2 stops16h 20mMultiple Airlines
Thu 29/119:50BOS - BFS
2 stops21h 30mMultiple Airlines
Deal found 8/12£464
Mon 2/217:20BHD - BOS
1 stop25h 05mDelta
Tue 10/219:10BOS - BHD
1 stop16h 40mDelta
Deal found 8/12£530
Mon 12/108:15BFS - BOS
2 stops14h 35mMultiple Airlines
Tue 20/119:50BOS - BFS
2 stops19h 05mMultiple Airlines
Deal found 7/12£491
Mon 2/210:15BHD - BOS
2 stops33h 23mMultiple Airlines
Tue 10/220:00BOS - BHD
1 stop12h 35mMultiple Airlines
Deal found 8/12£504
Mon 12/108:20BHD - BOS
2 stops14h 30mMultiple Airlines
Tue 20/119:50BOS - BHD
2 stops11h 25mMultiple Airlines
Deal found 7/12£524
Mon 19/106:00BFS - BOS
3 stops18h 55mMultiple Airlines
Mon 26/107:00BOS - BFS
2 stops32h 10mMultiple Airlines
Deal found 7/12£532

Find flight deals from Belfast to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) to Boston (BOS). 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 9 December 2025.

Round-trip from

£462

One-way from

£279

Popular in

December

Cheapest in

February

Average price

£699
2/2-10/2
  • 2/2-10/2
  • 3 total stops
  • 52h 15m total
  • Belfast to Boston
Search Deals
21/1
  • 21/1
  • 2 total stops
  • 46h 48m total
  • Belfast to Boston
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£1 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast to Boston 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 9 December 2025.
Use the filters below to find and compare flights from Belfast to Boston that are best for you.

Fly from

Belfast

Fly to

Boston

Route

Depart

Return

Price

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 2/2

06:00-20:55

2 stops19h 55m

Boston Logan Intl

Tue 10/2

20:00-09:20

1 stop32h 20m

£462

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Thu 22/1

06:30-17:50

2 stops16h 20m

Boston Logan Intl

Thu 29/1

19:50-22:20

2 stops21h 30m

£464

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 12/1

08:15-17:50

2 stops14h 35m

Boston Logan Intl

Tue 20/1

19:50-19:55

2 stops19h 05m

£491

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 2/2

10:15-14:38

2 stops33h 23m

Boston Logan Intl

Tue 10/2

20:00-13:35

1 stop12h 35m

£504

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 12/1

08:20-17:50

2 stops14h 30m

Boston Logan Intl

Tue 20/1

19:50-12:15

2 stops11h 25m

£524

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 12/1

17:20-13:30

1 stop25h 10m

Boston Logan Intl

Tue 20/1

13:00-16:50

2 stops22h 50m

£530

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 2/2

17:20-13:25

1 stop25h 05m

Boston Logan Intl

Tue 10/2

19:10-16:50

1 stop16h 40m

£530

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 19/1

06:00-19:55

3 stops18h 55m

Boston Logan Intl

Mon 26/1

07:00-20:10

2 stops32h 10m

£532

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 2/2

06:35-15:48

2 stops14h 13m

Boston Logan Intl

Tue 10/2

15:35-11:30

2 stops14h 55m

£545

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 29/1

20:00-19:50

2 stops28h 50m

Boston Logan Intl

Mon 2/2

12:56-14:15

2 stops20h 19m

£551

Flights are sorted by cheapest return flights first.

Deals found on 7/12

Showing 1-10 of 13 results
1
2

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?

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 9 December 2025.

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 evening, which is usually more expensive.

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 9 December 2025.
Read reviews from past customers who have flown with British Airways 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.
British Airways
6.7
Okay
7,571 reviews
Check prices

Overall

6.7

Entertainment

6.4

Crew

7.6

Boarding

6.9

Comfort

6.7

Food

6.4

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
7,571 reviews
British Airways
6.7
Okay
7,571 reviews
Check prices

Overall

6.7

Entertainment

6.4

Crew

7.6

Boarding

6.9

Comfort

6.7

Food

6.4

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

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?

    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.

  • How long is the flight from Belfast to Boston?

    Airlines like Delta fly from Belfast to Boston in about 25h 10m. The time it takes to get you to your destination can typically vary by up to . Belfast and Boston are separated by a distance of 2981 mi.

  • What is the cheapest airline to fly from Belfast to Boston round-trip?

    Our cheapest airline available from Belfast to Boston is British Airways. Our recent data shows that you can find tickets from as low as £343 on this airline. British Airways is currently priced 32% 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.

See more FAQs

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Burlington
Cambridge
Peabody
Somerville
Quincy
Waltham
Chelmsford

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Alternative routes for Belfast to Boston

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

Top airline flying from Belfast to Boston

Discover the top airline that operate flights from Belfast to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 9 December 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£343Average£523FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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?

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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