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$328+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BOS
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap 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 April 24, 2025.

Round-trip from

$511
(PLAY)

One-way from

$328
(Kiwi.com)

Popular in

November

Cheapest in

January

Average price

$866
From Belfast to Boston Logan Intl
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One-way flight from Belfast to Boston Logan Intl
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Highest demand for flights based on searches. 10% potential increase in price ($102 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 24, 2025.

This PLAY deal was found by Cheapflights users on 4/23. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:00 amBFS - BOS
2 stops16h 00mMultiple Airlines
Tue 11/46:20 pmBOS - BFS
2 stops22h 10mMultiple Airlines
Deal found 4/23$480
This British Airways deal was found by Cheapflights users on 4/23. 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.
Mon 5/56:40 amBHD - BOS
1 stop18h 30mBritish Airways
Wed 5/147:40 pmBOS - BHD
1 stop11h 15mBritish Airways
Deal found 4/23$555
This KLM deal was found by Cheapflights users on 4/23. 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.
Sun 5/45:25 pmBHD - BOS
1 stop25h 10mKLM
Mon 5/128:45 pmBOS - BHD
2 stops15h 10mKLM
Deal found 4/23$558
This Delta deal was found by Cheapflights users on 4/21. 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 5/56:30 amBHD - BOS
1 stop12h 05mDelta
Wed 5/148:45 pmBOS - BHD
2 stops15h 10mDelta
Deal found 4/21$560
This Virgin Atlantic deal was found by Cheapflights users on 4/22. 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.
Sun 5/45:25 pmBHD - BOS
2 stops19h 03mVirgin Atlantic
Tue 5/138:15 pmBOS - BHD
1 stop19h 50mVirgin Atlantic
Deal found 4/22$605
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Sun 7/131:00 pmBHD - BOS
1 stop27h 20mAmerican Airlines
Mon 7/2110:00 pmBOS - BHD
1 stop9h 55mAmerican Airlines
Deal found 4/22$612
This Trip.com deal was found by Cheapflights users on 4/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/289:55 amBHD - BOS
2 stops29h 40mMultiple Airlines
Tue 11/48:00 pmBOS - BHD
2 stops13h 55mMultiple Airlines
Deal found 4/23$717
This Ovago deal was found by Cheapflights users on 4/23. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/244:20 pmBHD - BOS
1 stop11h 15mIberia
Tue 4/299:55 pmBOS - BHD
1 stop12h 25mIberia
Deal found 4/23$1,394

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 April 24, 2025.
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

Sun 5/4

7:00 am-5:50 pm

2 stops15h 50m

Boston Logan Intl

Mon 5/12

7:15 pm-11:00 pm

2 stops22h 45m

$511

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 5/5

9:50 am-10:30 pm

1 stop17h 40m

Boston Logan Intl

Wed 5/14

8:05 pm-1:30 pm

1 stop12h 25m

$552

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Mon 5/5

6:30 am-1:35 pm

1 stop12h 05m

Boston Logan Intl

Wed 5/14

8:45 pm-9:15 pm

2 stops19h 30m

$555

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sun 5/4

5:25 pm-4:25 pm

1 stop28h 00m

Boston Logan Intl

Tue 5/13

6:35 pm-9:05 pm

1 stop21h 30m

$558

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sun 5/4

7:05 am-1:14 pm

3 stops35h 09m

Boston Logan Intl

Mon 5/12

8:50 pm-8:50 pm

2 stops19h 00m

$828

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Wed 9/10

7:25 am-5:50 pm

2 stops15h 25m

$328

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sun 5/18

7:05 am-9:05 pm

2 stops43h 00m

$391

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 9/10

6:50 am-6:45 pm

2 stops16h 55m

$588

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Tue 10/7

6:35 am-5:10 pm

1 stop15h 35m

$774

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

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

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 April 24, 2025.
To help decide which airline to fly from Belfast to Boston, see what other customers have to say about Delta, KLM and Aer Lingus. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aer Lingus
7.0
Good
1,068 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
British Airways
6.6
Okay
6,799 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines flying from Belfast to Boston round-trip?

    British Airways, at $552, was found to be the cheapest airline from Belfast to Boston.Alternate airlines to your destination round-trip include Delta and KLM. You may be able to fly from Belfast to Boston for 33% less than the average price by searching for these airlines.

  • 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.

  • What is the cheapest month to book a flight from Belfast to Boston?

    Currently, January is the cheapest month in which you can book a flight from Belfast to Boston (average of $218). Flying from Belfast to Boston in July is currently the most expensive (average of $311). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Marlborough
Warwick
Cambridge
Waltham
Framingham
Chestnut Hill
Seekonk
Randolph
Brockton
Lowell
Woburn
Somerville
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Lincoln
Salem
Chelsea

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Alternative routes for Belfast to Boston

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