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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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BOS
8 Apr — 15 Apr1
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 9 March 2026.

Thu 30/409:00
BFS
-
BOS
2 stops17h 05m
Multiple Airlines
Mon 4/519:00
BOS
-
BFS
1 stop12h 20m
Multiple Airlines
Deal found 5/3£431
Mon 20/409:10
BFS
-
BOS
1 stop16h 55m
Multiple Airlines
Mon 27/423:00
BOS
-
BFS
2 stops12h 15m
Multiple Airlines
Deal found 6/3£498
Sat 4/407:05
BHD
-
BOS
1 stop14h 50m
British Airways
Mon 13/421:50
BOS
-
BHD
1 stop12h 40m
British Airways
Deal found 5/3£510
Sat 4/407:05
BHD
-
BOS
1 stop20h 30m
Multiple Airlines
Mon 13/421:50
BOS
-
BHD
1 stop12h 40m
Multiple Airlines
Deal found 5/3£524
Tue 21/407:00
BFS
-
BOS
2 stops13h 35m
Multiple Airlines
Tue 28/417:40
BOS
-
BFS
2 stops16h 35m
Multiple Airlines
Deal found 7/3£526
Wed 29/410:05
BHD
-
BOS
2 stops18h 47m
British Airways
Sun 3/506:00
BOS
-
BHD
2 stops21h 40m
British Airways
Deal found 5/3£558
Wed 22/409:35
BFS
-
BOS
1 stop16h 30m
Multiple Airlines
Wed 29/420:50
BOS
-
BFS
2 stops13h 45m
Multiple Airlines
Deal found 8/3£570
Thu 30/407:00
BHD
-
BOS
2 stops16h 50m
Multiple Airlines
Mon 4/523:00
BOS
-
BHD
2 stops16h 30m
Multiple Airlines
Deal found 5/3£580
Thu 30/412:45
BHD
-
BOS
1 stop29h 45m
American Airlines
Mon 4/521:50
BOS
-
BHD
1 stop10h 05m
American Airlines
Deal found 5/3£581
Sat 2/509:35
BHD
-
BOS
2 stops18h 55m
British Airways
Tue 5/506:00
BOS
-
BHD
2 stops22h 00m
British Airways
Deal found 5/3£585

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 March 2026.

Round-trip from

£431

One-way from

£279

Popular in

December

Cheapest in

February

Average price

£460
30/4-4/5
  • 30/4-4/5
  • 3 total stops
  • 29h 25m total
  • Belfast to Boston
Search Deals
7/5
  • 7/5
  • 2 total stops
  • 52h 40m total
  • Belfast to Boston
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£33 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 March 2026
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 March 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 30/4

09:00-21:05

2 stops17h 05m

Boston Logan Intl

Mon 4/5

19:00-12:20

1 stop12h 20m

£431

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 20/4

09:10-21:05

1 stop16h 55m

Boston Logan Intl

Mon 27/4

23:00-16:15

2 stops12h 15m

£498
Fastest return journey

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sat 4/4

07:05-16:55

1 stop14h 50m

Boston Logan Intl

Mon 13/4

21:50-15:30

1 stop12h 40m

£510

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Tue 21/4

07:00-15:35

2 stops13h 35m

Boston Logan Intl

Tue 28/4

17:40-15:15

2 stops16h 35m

£526

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Wed 22/4

09:35-21:05

1 stop16h 30m

Boston Logan Intl

Wed 29/4

20:50-15:35

2 stops13h 45m

£570

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 29/4

10:05-23:52

2 stops18h 47m

Boston Logan Intl

Sun 3/5

06:00-08:40

2 stops21h 40m

£584

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 18/6

14:20-12:35

1 stop27h 15m

Boston Logan Intl

Fri 24/7

21:50-10:05

1 stop31h 15m

£592

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sat 2/5

07:05-23:52

2 stops21h 47m

Boston Logan Intl

Tue 5/5

19:35-10:45

1 stop10h 10m

£599

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sat 4/4

21:40-21:05

2 stops52h 25m

Boston Logan Intl

Mon 13/4

23:10-16:15

1 stop12h 05m

£748

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sun 7/6

09:55-21:45

2 stops16h 50m

Boston Logan Intl

Thu 11/6

15:25-18:55

3 stops22h 30m

£797

Flights are sorted by cheapest return flights first.

Deals found on 8/3

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 9 March 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
7,780 reviews
Check prices

Comfort

6.8

Boarding

6.9

Overall

6.7

Entertainment

6.4

Crew

7.6

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
7,780 reviews
British Airways
6.7
Okay
7,780 reviews
Check prices

Comfort

6.8

Boarding

6.9

Overall

6.7

Entertainment

6.4

Crew

7.6

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 British Airways fly from Belfast to Boston in about 14h 50m. 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 £377 on this airline. British Airways is currently priced 26% 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
Canton
Waltham
Warwick
Cambridge
Peabody
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.
Belfast Intl to Boston flights
Belfast City to Boston flights
Belfast Intl to Hartford 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 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£377Average£528FlexibilityNo 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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