Find flights
When to book
Airlines
FAQs

Cheap flights from Belfast to Boston from £408

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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BOS
7 May — 14 May1
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 7 April 2026.

Thu 15/1006:30
BHD
-
BOS
2 stops18h 20m
British Airways
Mon 19/1021:50
BOS
-
BHD
1 stop10h 05m
British Airways
Deal found 5/4£586
Thu 1/1006:30
BHD
-
BOS
1 stop21h 05m
British Airways
Mon 5/1007:25
BOS
-
BHD
1 stop20h 25m
British Airways
Deal found 5/4£590
Sat 24/1009:35
BHD
-
BOS
1 stop15h 30m
British Airways
Sat 31/1022:35
BOS
-
BHD
1 stop11h 40m
British Airways
Deal found 6/4£634
Fri 3/420:50
BFS
-
BOS
2 stops23h 45m
Multiple Airlines
Wed 8/417:40
BOS
-
BFS
2 stops23h 40m
Multiple Airlines
Deal found 2/4£813
Wed 20/509:35
BFS
-
BOS
1 stop16h 30m
Multiple Airlines
Wed 27/523:00
BOS
-
BFS
2 stops13h 05m
Multiple Airlines
Deal found 4/4£853
Fri 3/418:40
BFS
-
BOS
1 stop23h 41m
Multiple Airlines
Tue 7/420:50
BOS
-
BFS
2 stops29h 55m
Multiple Airlines
Deal found 2/4£1,444
Thu 2/420:55
BFS
-
BOS
2 stops26h 55m
Multiple Airlines
Tue 7/422:50
BOS
-
BFS
1 stop12h 05m
Multiple Airlines
Deal found 2/4£1,506

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 7 April 2026.

Round-trip from

£590

One-way from

£408

Popular in

December

Cheapest in

February
British Airways
  • British Airways
  • 1/10-5/10
  • 2 total stops
  • 41h 30m total
  • Belfast to Boston
Search Deals
15/7
  • 15/7
  • 3 total stops
  • 41h 45m total
  • Belfast to Boston
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£25 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
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 7 April 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
Fastest return journey

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 1/10

09:35-17:00

1 stop12h 25m

Boston Logan Intl

Mon 5/10

21:50-12:55

1 stop10h 05m

£590

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 18/6

20:35-12:35

1 stop21h 00m

Boston Logan Intl

Fri 24/7

21:50-15:30

1 stop12h 40m

£635

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Fri 22/5

21:05-21:27

3 stops29h 22m

Boston Logan Intl

Fri 29/5

10:05-21:50

2 stops30h 45m

£714

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Wed 20/5

09:35-21:05

1 stop16h 30m

Boston Logan Intl

Wed 27/5

23:00-17:05

2 stops13h 05m

£853
Cheapest one-way

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Wed 15/7

08:30-21:15

3 stops41h 45m

£408

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sat 8/8

13:20-10:31

3 stops50h 11m

£447

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 20/8

20:35-16:55

2 stops25h 20m

£494

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 29/6

19:35-18:48

2 stops28h 13m

£506

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 15/7

16:45-21:15

2 stops33h 30m

£509

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sat 8/8

07:00-20:20

2 stops18h 20m

£580

Flights are sorted by cheapest return flights first.

Deals found on 2/4

Showing 1-10 of 13 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 7 April 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
7,857 reviews
Check prices

Comfort

6.8

Entertainment

6.4

Boarding

6.9

Overall

6.7

Crew

7.7

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
7,857 reviews
British Airways
6.7
Okay
7,857 reviews
Check prices

Comfort

6.8

Entertainment

6.4

Boarding

6.9

Overall

6.7

Crew

7.7

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 British Airways fly from Belfast to Boston in about 12h 25m. 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 £376 on this airline. British Airways is currently priced 29% 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

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 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 7 April 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£376Average£536FlexibilityNo 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.

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.