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Cheap flights from Belfast to Boston from £248

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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BOS
21 May — 28 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 21 April 2026.

Mon 1/608:15
BFS
-
BOS
2 stops35h 30m
Multiple Airlines
Mon 8/616:45
BOS
-
BFS
2 stops22h 30m
Multiple Airlines
Deal found 17/4£605
Tue 2/608:55
BFS
-
BOS
2 stops14h 55m
Multiple Airlines
Tue 9/621:15
BOS
-
BFS
2 stops12h 30m
Multiple Airlines
Deal found 18/4£623
Wed 2/1209:15
BHD
-
BOS
1 stop11h 45m
British Airways
Sun 6/1219:15
BOS
-
BHD
1 stop10h 05m
British Airways
Deal found 19/4£646
Thu 26/1106:35
BHD
-
BOS
2 stops21h 11m
British Airways
Mon 30/1110:17
BOS
-
BHD
2 stops22h 58m
British Airways
Deal found 19/4£650
Thu 9/706:30
BHD
-
BOS
1 stop11h 05m
Finnair
Tue 14/707:25
BOS
-
BHD
1 stop20h 35m
Finnair
Deal found 19/4£650
Mon 30/1119:25
BHD
-
BOS
1 stop23h 55m
Multiple Airlines
Sun 6/1218:55
BOS
-
BHD
1 stop14h 00m
Multiple Airlines
Deal found 17/4£661
Mon 30/1114:40
BHD
-
BOS
1 stop28h 40m
British Airways
Sun 6/1219:22
BOS
-
BHD
2 stops37h 53m
British Airways
Deal found 17/4£664
Thu 7/509:35
BHD
-
BOS
1 stop32h 55m
British Airways
Mon 11/506:00
BOS
-
BHD
2 stops20h 35m
British Airways
Deal found 18/4£669
Sat 4/706:20
BFS
-
BOS
1 stop20h 00m
Multiple Airlines
Sat 18/723:10
BOS
-
BFS
1 stop19h 15m
Multiple Airlines
Deal found 17/4£683
Mon 30/1108:30
BFS
-
BOS
3 stops35h 10m
Multiple Airlines
Sun 6/1219:50
BOS
-
BFS
2 stops19h 20m
Multiple Airlines
Deal found 17/4£714
Thu 9/706:10
BFS
-
BOS
2 stops20h 35m
Multiple Airlines
Tue 14/720:50
BOS
-
BFS
2 stops20h 35m
Multiple Airlines
Deal found 19/4£723
Thu 30/706:10
BFS
-
BOS
2 stops18h 25m
Multiple Airlines
Thu 13/817:10
BOS
-
BFS
2 stops21h 10m
Multiple Airlines
Deal found 19/4£745

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 21 April 2026.

Round-trip from

£605

One-way from

£248

Popular in

December

Cheapest in

February
1/6-8/6
  • 1/6-8/6
  • 4 total stops
  • 58h 00m total
  • Belfast to Boston
Search Deals
14/5
  • 14/5
  • 2 total stops
  • 40h 50m total
  • Belfast to Boston
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£24 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 21 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

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 1/6

08:15-14:45

2 stops35h 30m

Boston Logan Intl

Mon 8/6

16:45-20:15

2 stops22h 30m

£605

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Tue 2/6

08:55-18:50

2 stops14h 55m

Boston Logan Intl

Tue 9/6

21:15-14:45

2 stops12h 30m

£623

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 7/5

09:35-13:30

1 stop32h 55m

Boston Logan Intl

Mon 11/5

06:00-07:35

2 stops20h 35m

£669
Fastest return journey

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sat 4/7

07:05-19:01

2 stops16h 56m

Boston Logan Intl

Sat 18/7

21:50-12:25

1 stop9h 35m

£722

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Thu 9/7

06:10-21:45

2 stops20h 35m

Boston Logan Intl

Tue 14/7

20:50-22:25

2 stops20h 35m

£723

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Thu 30/7

06:10-19:35

2 stops18h 25m

Boston Logan Intl

Thu 13/8

17:10-19:20

2 stops21h 10m

£745

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 18/6

19:30-20:05

1 stop29h 35m

Boston Logan Intl

Fri 24/7

21:50-15:30

1 stop12h 40m

£749

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 30/7

07:00-07:26

3 stops29h 26m

Boston Logan Intl

Thu 13/8

17:10-20:30

2 stops22h 20m

£760

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 18/6

20:35-12:35

1 stop21h 00m

Boston Logan Intl

Fri 24/7

07:25-08:50

1 stop20h 25m

£778

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 18/6

09:50-18:30

1 stop13h 40m

Boston Logan Intl

Fri 24/7

20:25-09:20

1 stop31h 55m

£810

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 33 resultsSorted by cheapest first
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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 21 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
7,901 reviews
Check prices

Food

6.4

Comfort

6.8

Entertainment

6.4

Boarding

6.9

Crew

7.7

Overall

6.7

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
7,901 reviews
British Airways
6.7
Okay
7,901 reviews
Check prices

Food

6.4

Comfort

6.8

Entertainment

6.4

Boarding

6.9

Crew

7.7

Overall

6.7

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 32h 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.

  • 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 £368 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

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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 21 April 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£368Average£527FlexibilityNo 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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