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$418+ Cheap flights from Belfast to Boston (BOS)

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BOS
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap flight deals from Belfast to Boston

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 February 5, 2026.

This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/183:45 pm
BFS
-
BOS
3 stops27h 50m
Multiple Airlines
Wed 3/2512:35 pm
BOS
-
BFS
2 stops23h 35m
Multiple Airlines
Deal found 2/2$671
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/23:20 pm
BFS
-
BOS
2 stops34h 35m
Multiple Airlines
Mon 3/99:00 pm
BOS
-
BFS
1 stop31h 20m
Multiple Airlines
Deal found 2/2$706
This American Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:35 am
BHD
-
BOS
1 stop12h 45m
American Airlines
Mon 3/97:55 pm
BOS
-
BHD
1 stop10h 45m
American Airlines
Deal found 2/2$715
This American Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/99:15 am
BHD
-
BOS
1 stop11h 55m
American Airlines
Mon 3/1610:35 pm
BOS
-
BHD
1 stop11h 40m
American Airlines
Deal found 2/3$716
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:30 am
BHD
-
BOS
1 stop11h 50m
Delta
Mon 3/91:55 pm
BOS
-
BHD
2 stops22h 50m
Delta
Deal found 2/2$723
This Virgin Atlantic deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:30 am
BHD
-
BOS
2 stops20h 24m
Virgin Atlantic
Mon 3/169:50 pm
BOS
-
BHD
1 stop19h 10m
Virgin Atlantic
Deal found 2/3$728
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:20 am
BHD
-
BOS
3 stops38h 55m
Multiple Airlines
Mon 3/99:50 pm
BOS
-
BHD
1 stop14h 55m
Multiple Airlines
Deal found 2/2$752
This KLM deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:30 am
BHD
-
BOS
2 stops16h 45m
Multiple Airlines
Mon 3/169:30 pm
BOS
-
BHD
2 stops15h 10m
Multiple Airlines
Deal found 2/3$754
This British Airways deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/510:40 am
BHD
-
BOS
1 stop16h 15m
British Airways
Mon 3/93:49 pm
BOS
-
BHD
2 stops14h 51m
British Airways
Deal found 2/2$760
This Mytrip deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/98:50 pm
BFS
-
BOS
3 stops28h 05m
Multiple Airlines
Mon 3/163:35 pm
BOS
-
BFS
3 stops27h 00m
Multiple Airlines
Deal found 2/3$764
This TravelUp deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/193:05 pm
BHD
-
BOS
1 stop11h 50m
British Airways
Thu 3/263:49 pm
BOS
-
BHD
2 stops14h 31m
British Airways
Deal found 2/2$768
This Mytrip deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2110:25 pm
BFS
-
BOS
3 stops26h 35m
Multiple Airlines
Sat 3/2810:35 pm
BOS
-
BFS
2 stops19h 05m
Multiple Airlines
Deal found 2/4$1,022

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 February 5, 2026.

Round-trip from

$671
(Mytrip)

One-way from

$418
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$530
From Belfast to Boston Logan Intl
Search Deals
One-way flight from Belfast to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated February 5, 2026.
Use the filters below to find and compare flights from Belfast to Boston that are best for you.

Fly from

Belfast

Fly to

Boston

Route

Depart

Return

Price

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Wed 3/18

3:45 pm-3:35 pm

3 stops27h 50m

Boston Logan Intl

Wed 3/25

12:35 pm-4:10 pm

2 stops23h 35m

$671

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 3/2

3:20 pm-8:55 pm

2 stops34h 35m

Boston Logan Intl

Mon 3/9

9:00 pm-8:20 am

1 stop31h 20m

$706

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 3/2

6:35 am-2:20 pm

1 stop12h 45m

Boston Logan Intl

Mon 3/9

7:55 pm-10:40 am

1 stop10h 45m

$715

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 3/9

9:15 am-5:10 pm

1 stop11h 55m

Boston Logan Intl

Mon 3/16

10:35 pm-2:15 pm

1 stop11h 40m

$716

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 3/2

6:30 am-6:55 pm

1 stop17h 25m

Boston Logan Intl

Mon 3/9

1:55 pm-4:45 pm

2 stops22h 50m

$723

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 3/2

6:30 am-1:20 pm

1 stop11h 50m

Boston Logan Intl

Mon 3/9

1:55 pm-4:45 pm

2 stops22h 50m

$723

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 3/9

6:30 am-10:54 pm

2 stops20h 24m

Boston Logan Intl

Mon 3/16

9:50 pm-9:00 pm

1 stop19h 10m

$728

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 3/2

7:20 am-5:15 pm

3 stops38h 55m

Boston Logan Intl

Mon 3/9

9:50 pm-4:45 pm

1 stop14h 55m

$752

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 3/9

6:30 am-7:15 pm

2 stops16h 45m

Boston Logan Intl

Mon 3/16

9:30 pm-4:40 pm

2 stops15h 10m

$754

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Thu 3/5

10:40 am-9:55 pm

1 stop16h 15m

Boston Logan Intl

Mon 3/9

3:49 pm-10:40 am

2 stops14h 51m

$760

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 21 results
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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 round-trip 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?

    For as low as $723, American Airlines can have you in Boston from Belfast in 11h 50m. Belfast and Boston are separated by a distance of 2981 mi. This flight may include one or multiple stops.

  • 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 vacation 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

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Medford
Cambridge
Hampton Beach
Watertown
Seekonk
Brockton
Seabrook
Cranston
Lincoln
Warwick
Smithfield
Peabody
Quincy
York Beach
Londonderry
Swansea
Old Orchard Beach
Waltham
Lowell
Chelsea

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Alternative routes for Belfast to Boston

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