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Cheap flights from Belfast to Boston from £254

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BOS
27 Jul — 3 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 27 June 2026.

Fri 18/908:20
BFS
-
BOS
2 stops18h 25m
Multiple Airlines
Mon 28/920:50
BOS
-
BFS
2 stops21h 15m
Multiple Airlines
Deal found 23/6£514
Thu 16/706:30
BHD
-
BOS
1 stop11h 05m
American Airlines
Tue 21/719:40
BOS
-
BHD
1 stop10h 05m
American Airlines
Deal found 23/6£522
Sun 5/717:30
BHD
-
BOS
1 stop24h 48m
KLM
Sun 12/716:40
BOS
-
BHD
1 stop11h 40m
KLM
Deal found 22/6£544
Fri 18/909:50
BHD
-
BOS
1 stop32h 29m
Multiple Airlines
Mon 28/920:25
BOS
-
BHD
1 stop15h 30m
Multiple Airlines
Deal found 23/6£545
Fri 18/916:25
BHD
-
BOS
1 stop11h 10m
British Airways
Mon 28/917:28
BOS
-
BHD
2 stops14h 27m
British Airways
Deal found 23/6£548
Sat 24/1019:05
BHD
-
BOS
2 stops30h 55m
British Airways
Sat 31/1018:00
BOS
-
BHD
2 stops17h 15m
British Airways
Deal found 25/6£555
Thu 16/712:45
BHD
-
BOS
2 stops15h 14m
Multiple Airlines
Tue 21/707:25
BOS
-
BHD
1 stop20h 35m
Multiple Airlines
Deal found 23/6£557
Thu 20/807:00
BHD
-
BOS
2 stops16h 50m
Multiple Airlines
Mon 24/820:50
BOS
-
BHD
2 stops18h 40m
Multiple Airlines
Deal found 26/6£569
Thu 16/708:20
BFS
-
BOS
2 stops18h 25m
Multiple Airlines
Tue 21/720:50
BOS
-
BFS
2 stops20h 25m
Multiple Airlines
Deal found 23/6£570
Tue 29/1208:45
BHD
-
BOS
1 stop10h 35m
British Airways
Sat 2/121:30
BOS
-
BHD
1 stop11h 45m
British Airways
Deal found 27/6£575
Thu 23/708:20
BFS
-
BOS
2 stops15h 30m
Multiple Airlines
Thu 30/723:00
BOS
-
BFS
2 stops11h 50m
Multiple Airlines
Deal found 23/6£582
Thu 20/819:40
BFS
-
BOS
2 stops27h 55m
Multiple Airlines
Mon 24/819:10
BOS
-
BFS
1 stop12h 05m
Multiple Airlines
Deal found 26/6£596

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 27 June 2026.

Round-trip from

£514

One-way from

£254
18/9-28/9
  • 18/9-28/9
  • 4 total stops
  • 39h 40m total
  • Belfast to Boston
Search Deals
5/9
  • 5/9
  • 2 total stops
  • 30h 30m 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 27 June 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

BHD - BOS

BHDBOS

Belfast City

Sat 24/10

19:05-21:00

2 stops30h 55m

Boston Logan Intl

Sat 31/10

18:00-15:15

2 stops17h 15m

£555

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sat 24/10

19:05-22:50

1 stop32h 45m

Boston Logan Intl

Sat 31/10

08:30-08:15

1 stop19h 45m

£576

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 1/10

12:45-12:35

1 stop28h 50m

Boston Logan Intl

Mon 5/10

07:25-07:35

1 stop19h 10m

£590

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Thu 13/8

06:40-18:35

2 stops16h 55m

Boston Logan Intl

Thu 27/8

06:00-18:55

3 stops31h 55m

£613
Fastest return journey

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Fri 18/9

08:20-13:27

1 stop10h 07m

Boston Logan Intl

Mon 28/9

19:45-11:15

1 stop10h 30m

£660

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sun 9/8

21:25-22:38

2 stops30h 13m

Boston Logan Intl

Sun 16/8

17:25-18:25

2 stops20h 00m

£686

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Thu 23/7

08:20-20:55

3 stops17h 35m

Boston Logan Intl

Thu 30/7

17:25-19:30

2 stops21h 05m

£687

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Thu 16/7

21:05-18:35

3 stops26h 30m

Boston Logan Intl

Tue 21/7

05:45-22:15

3 stops35h 30m

£692

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Fri 24/7

08:30-21:45

2 stops18h 15m

Boston Logan Intl

Fri 31/7

20:50-21:50

2 stops20h 00m

£721

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Fri 7/8

07:20-09:50

3 stops31h 30m

Boston Logan Intl

Fri 14/8

15:35-21:15

3 stops24h 40m

£750

Flights are sorted by cheapest return flights first.

Deals found on 23/6

Showing 1-10 of 19 resultsSorted by cheapest first
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
No data available for this route at this time. Please check back soon.

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 27 June 2026.
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
8,070 reviews
Check prices

Overall

6.7

Food

6.4

Boarding

7.0

Crew

7.7

Comfort

6.8

Entertainment

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
8,070 reviews
British Airways
6.7
Okay
8,070 reviews
Check prices

Overall

6.7

Food

6.4

Boarding

7.0

Crew

7.7

Comfort

6.8

Entertainment

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 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 fly from Belfast to Boston in about 30h 55m. 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.

  • 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

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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.
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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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