Find flights
When to book
FAQs

Cheap flights from Belfast to Boston from £239

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BOS
2 Aug — 9 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Boston

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to Boston
Explore the most affordable flight options available from Belfast to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2026.

Thu 17/910:15
BFS
-
BOS
1 stop15h 50m
Multiple Airlines
Sun 27/923:35
BOS
-
BFS
2 stops27h 40m
Multiple Airlines
Deal found 28/6£386
Thu 8/1008:10
BFS
-
BOS
2 stops39h 40m
Multiple Airlines
Tue 13/1020:50
BOS
-
BFS
2 stops19h 15m
Multiple Airlines
Deal found 1/7£492
Thu 8/1016:35
BHD
-
BOS
1 stop11h 00m
British Airways
Tue 13/1021:50
BOS
-
BHD
1 stop12h 30m
British Airways
Deal found 1/7£572
Sun 25/1015:10
BHD
-
BOS
1 stop11h 40m
British Airways
Wed 28/1022:30
BOS
-
BHD
1 stop12h 05m
British Airways
Deal found 2/7£572
Thu 17/914:20
BHD
-
BOS
2 stops14h 08m
British Airways
Sun 27/919:35
BOS
-
BHD
1 stop9h 55m
British Airways
Deal found 28/6£574
Thu 6/814:20
BHD
-
BOS
2 stops14h 35m
British Airways
Tue 11/821:50
BOS
-
BHD
1 stop12h 30m
British Airways
Deal found 2/7£575
Sun 26/706:45
BFS
-
BOS
3 stops44h 53m
Multiple Airlines
Mon 3/823:00
BOS
-
BFS
2 stops19h 20m
Multiple Airlines
Deal found 28/6£584
Wed 19/822:45
BFS
-
BOS
2 stops24h 37m
Multiple Airlines
Wed 26/820:50
BOS
-
BFS
3 stops18h 25m
Multiple Airlines
Deal found 29/6£584
Sun 16/806:45
BFS
-
BOS
3 stops40h 37m
Multiple Airlines
Sun 23/820:50
BOS
-
BFS
2 stops18h 25m
Multiple Airlines
Deal found 2/7£586
Thu 13/821:05
BFS
-
BOS
3 stops26h 45m
Multiple Airlines
Wed 19/820:50
BOS
-
BFS
3 stops20h 30m
Multiple Airlines
Deal found 1/7£587
Wed 7/1005:55
BFS
-
BOS
1 stop12h 30m
Multiple Airlines
Wed 14/1021:45
BOS
-
BFS
2 stops16h 30m
Multiple Airlines
Deal found 1/7£593
Sun 26/706:30
BHD
-
BOS
1 stop11h 05m
American Airlines
Mon 3/820:05
BOS
-
BHD
1 stop11h 50m
American Airlines
Deal found 28/6£594

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 3 July 2026.

Round-trip from

£386

One-way from

£239
17/9-27/9
  • 17/9-27/9
  • 3 total stops
  • 43h 30m total
  • Belfast to Boston
Search Deals
22/9
  • 22/9
  • 2 total stops
  • 41h 15m total
  • Belfast to Boston
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 3 July 2026.
Use the filters below to find and compare flights from Belfast to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Thu 17/9

10:15-21:05

1 stop15h 50m

Boston Logan Intl

Sun 27/9

23:35-08:15

2 stops27h 40m

£386
Fastest return journey

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 17/9

16:35-22:35

1 stop11h 00m

Boston Logan Intl

Sun 27/9

19:35-10:30

1 stop9h 55m

£584

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Thu 13/8

21:05-18:50

3 stops26h 45m

Boston Logan Intl

Wed 19/8

20:50-22:20

3 stops20h 30m

£587

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Wed 7/10

05:55-13:25

1 stop12h 30m

Boston Logan Intl

Mon 12/10

22:00-23:05

2 stops20h 05m

£593

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 6/8

12:45-23:55

2 stops16h 10m

Boston Logan Intl

Tue 11/8

18:26-15:20

2 stops15h 54m

£602

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Wed 19/8

22:45-22:38

2 stops28h 53m

Boston Logan Intl

Wed 26/8

10:05-19:15

2 stops28h 10m

£602

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sun 25/10

09:10-21:54

2 stops16h 44m

Boston Logan Intl

Wed 28/10

17:28-10:15

2 stops12h 47m

£603

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 17/8

06:30-21:27

3 stops19h 57m

Boston Logan Intl

Tue 25/8

10:05-19:50

2 stops28h 45m

£605

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 8/10

17:30-13:15

1 stop24h 45m

Boston Logan Intl

Mon 12/10

16:45-16:55

1 stop19h 10m

£611

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 7/10

09:50-16:36

1 stop11h 46m

Boston Logan Intl

Mon 12/10

13:35-09:20

2 stops14h 45m

£611

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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
No data available for this route at this time. Please check back soon.

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 0 airlines. 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 British Airways and KLM fly from Belfast to Boston in about 11h. The time it takes to get you to your destination can typically vary by up to 46m. Belfast and Boston are separated by a distance of 2981 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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
Canton
North Truro
Waltham
Warwick
Cambridge
Peabody
Wellfleet
Revere
Somerville
Quincy
Chelmsford

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 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
Belfast Intl to Hartford 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.