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Puerto Rico

$93+ Cheap flights from Boston (BOS) to Puerto Rico

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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJU
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Boston to Puerto Rico

Cheapest flights from Boston to Puerto Rico
Explore the most affordable flight options available from Boston to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:34 pmBOS - SJU
Nonstop4h 07mSpirit Airlines
Wed 1/146:00 amSJU - BOS
1 stop9h 38mSpirit Airlines
Deal found 12/16$156
This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:34 pmBOS - SJU
Nonstop4h 07mSpirit Airlines
Sat 1/176:00 amSJU - BOS
1 stop9h 38mSpirit Airlines
Deal found 12/16$158
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/297:34 pmBOS - SJU
Nonstop4h 07mMultiple Airlines
Sat 1/109:23 pmSJU - BOS
1 stop13h 48mMultiple Airlines
Deal found 12/16$160
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Wed 12/317:34 pmBOS - SJU
Nonstop4h 07mSpirit Airlines
Mon 2/211:52 amSJU - BOS
1 stop29h 27mSpirit Airlines
Deal found 12/17$163
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Fri 12/197:34 pmBOS - SJU
Nonstop4h 07mMultiple Airlines
Tue 12/238:00 amSJU - BOS
Nonstop4h 23mMultiple Airlines
Deal found 12/16$169
This Priceline deal was found by Cheapflights users on 12/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:50 pmBOS - SJU
Nonstop4h 06mMultiple Airlines
Wed 12/242:59 amSJU - BOS
1 stop9h 35mMultiple Airlines
Deal found 12/16$171
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/298:08 amBOS - SJU
1 stop16h 16mFrontier
Tue 12/308:00 amSJU - BOS
Nonstop4h 23mFrontier
Deal found 12/17$172
This JetBlue deal was found by Cheapflights users on 12/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:50 pmBOS - SJU
Nonstop4h 06mJetBlue
Sun 1/46:01 amSJU - BOS
Nonstop4h 12mJetBlue
Deal found 12/16$186
This Super.com deal was found by Cheapflights users on 12/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:18 pmBOS - SJU
Nonstop4h 04mFrontier
Wed 1/77:18 pmSJU - BOS
1 stop15h 53mFrontier
Deal found 12/16$188
This JetBlue deal was found by Cheapflights users on 12/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:50 pmBOS - SJU
Nonstop4h 06mJetBlue
Tue 1/67:15 pmSJU - BOS
Nonstop4h 13mJetBlue
Deal found 12/16$194
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/297:34 pmBOS - SJU
Nonstop4h 07mMultiple Airlines
Fri 1/910:47 pmSJU - BOS
1 stop18h 32mMultiple Airlines
Deal found 12/16$195
This Expedia deal was found by Cheapflights users on 12/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2011:00 amBOS - BQN
1 stop8h 55mMultiple Airlines
Fri 1/93:53 amBQN - BOS
1 stop8h 15mMultiple Airlines
Deal found 12/17$314

Find flight deals from Boston to Puerto Rico

Keep the following information in mind while searching for Boston to Puerto Rico flight deals. Data was last updated December 18, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$149
(CheapOair)

One-way from

$93
(Delta)

Popular in

December

Cheapest in

January

Average price

$386

Good round-trip deal

$238 or less

Good one-way deal

$122 or less
Provider with most accurate pricing for Boston Logan Intl-Puerto Rico flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Puerto Rico flights.
Search Deals
From Boston Logan Intl to Puerto Rico
Search Deals
One-way flight from Boston Logan Intl to Puerto Rico
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Puerto Rico.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Puerto Rico.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Puerto Rico 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 December 18, 2025.
Use the filters below to find and compare flights from Boston to Puerto Rico that are best for you.

Fly from

Boston

Fly to

Puerto Rico

Route

Depart

Return

Price

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sun 1/11

8:20 pm-1:22 am

Nonstop4h 02m

San Juan Luis Munoz Marin Intl

Wed 1/14

7:15 pm-10:28 pm

Nonstop4h 13m

$186

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 1/24

8:05 am-1:11 pm

Nonstop4h 06m

San Juan Luis Munoz Marin Intl

Thu 1/29

2:25 pm-5:45 pm

Nonstop4h 20m

$186

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 1/17

4:05 pm-6:11 am

2 stops13h 06m

San Juan Luis Munoz Marin Intl

Fri 1/30

2:05 am-9:14 am

1 stop8h 09m

$195

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 2/3

6:00 am-1:05 pm

1 stop6h 05m

San Juan Luis Munoz Marin Intl

Tue 2/10

6:27 pm-1:04 am

1 stop7h 37m

$195

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sun 1/18

12:08 pm-10:22 pm

2 stops9h 14m

San Juan Luis Munoz Marin Intl

Sat 1/24

7:45 am-6:57 pm

2 stops12h 12m

$195

BostonPonce

BOS - PSE

BOSPSE

Boston Logan Intl

Sat 1/10

12:03 pm-11:19 am

1 stop22h 16m

Ponce Mercedita

Sat 1/17

1:00 pm-11:10 am

1 stop23h 10m

$200

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sun 2/22

8:50 pm-1:50 am

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Sat 2/28

6:10 am-9:20 am

Nonstop4h 10m

$202

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 2/10

5:35 am-2:31 pm

1 stop7h 56m

San Juan Luis Munoz Marin Intl

Sat 2/14

7:00 am-3:15 pm

1 stop9h 15m

$203

BostonAguadilla

BOS - BQN

BOSBQN

Boston Logan Intl

Sun 1/18

9:30 am-11:57 pm

2 stops13h 27m

Aguadilla Borinquen

Thu 1/22

1:09 am-7:13 am

1 stop7h 04m

$211

BostonAguadilla

BOS - BQN

BOSBQN

Boston Logan Intl

Sun 1/11

9:30 am-11:57 pm

2 stops13h 27m

Aguadilla Borinquen

Thu 1/15

1:09 am-7:13 am

1 stop7h 04m

$211

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 60 results
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  • Most accurate provider: When it comes to deals on Boston-Puerto Rico flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Boston-Puerto Rico flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Boston-Puerto Rico flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Puerto Rico flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Puerto Rico flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Boston 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 Boston to Puerto Rico

What is the cheapest month to book a flight from Boston to Puerto Rico?

Currently, March is the cheapest month in which you can book a flight from Boston to Puerto Rico (average of $74). Flying from Boston to Puerto Rico in November is currently the most expensive (average of $177). 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.

What is the cheapest time of day to fly from BOS to PR?

Find hourly flight availability from Boston to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

One of the essential ways to save on airfare from Boston to Puerto Rico is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 48% on airfare.

What is the cheapest day to fly from Boston to Puerto Rico?

Use this chart to determine the cheapest time to fly round-trip from Boston to Puerto Rico. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to Puerto Rico flight should consider departing on Thursday mornings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boston to Puerto Rico

Explore weekly flight availability from Boston to Puerto Rico. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 18, 2025.

The most flights from BOS to PR0 are scheduled on a Thursday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

How often are flights from Boston to Puerto Rico delayed?

About 24% of weekly flights between Boston and Puerto Rico have experienced delays in the past year, with the average delay time being 145 minutes.

What is the most punctual flight time for Boston to Puerto Rico flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Boston to Puerto Rico flights?

Over the last year, Delta have had the lowest number of delays on this route, with just 17% of flights being delayed.

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated December 18, 2025.
See what other customers who have flown with Delta, United Airlines, and JetBlue from Boston to Puerto Rico have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,093 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
JetBlue
7.2
Good
2,897 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Spirit Airlines
6.3
Okay
8,190 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Frontier
5.8
Fair
3,081 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Boston to Puerto Rico. 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 from for flights from Boston to Puerto Rico?

    Most people fly from Boston Logan Intl (BOS) if they book a flight from Boston to Puerto Rico. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

  • How long is the flight from Boston to Puerto Rico?

    Departing from Boston to Puerto Rico will take you 4h 02m. The distance from Boston to Puerto Rico is about 1678 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Boston to Puerto Rico one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $53. Spirit Airlines flights start at $59 while deals on United Airlines start at $95 one-way.

  • What are the most popular routes from Boston to Puerto Rico?

    While some choose either Boston Logan Intl - Aguadilla Borinquen or Boston Logan Intl - Ponce Mercedita, Boston Logan Intl - San Juan Luis Munoz Marin Intl is the most popular route from Boston to Puerto Rico.

  • What are the most reliable airlines from Boston to Puerto Rico?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Puerto Rico on time: Delta (79%), Hawaiian Airlines (77%), TAP AIR PORTUGAL (73%).

  • What are the cheapest flights from Boston to Puerto Rico?

    On average you can expect to pay $704 for a flight from Boston to Puerto Rico. The cheapest flight overall is $89 while the most popular route, (Boston Logan Intl - San Juan Luis Munoz Marin Intl) is currently priced at $105.

  • Can I find deals for flights from Boston to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Boston to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Puerto Rico.

  • Can I find deals for business class flights from Boston to Puerto Rico?

    Yes. Cheapflights offers flight deals from Boston to Puerto Rico 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 Boston to Puerto Rico?

    Currently, March is the cheapest month in which you can book a flight from Boston to Puerto Rico (average of $74). Flying from Boston to Puerto Rico in November is currently the most expensive (average of $177). 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

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Alternative routes for Boston to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Luis Munoz Marin Intl flights
Hartford to Luis Munoz Marin Intl flights
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Boston to St. John's flights
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Hartford to Montego Bay flights
Albany to Nassau flights
Boston to The Valley flights
Boston to St. George's flights
Boston to Basseterre flights
Hartford to Nassau flights
Boston to Ponce flights
Albany to Oranjestad flights
Boston to Georgetown flights
Boston to Kralendijk flights
Boston to Port of Spain flights
Albany to Saint Thomas Island flights
Hartford to Kingston flights
Hartford to Santo Domingo flights
Worcester to Luis Munoz Marin Intl flights
Hartford to George Town flights
Hartford to Providenciales flights
Hartford to Ponce flights
Hartford to Simpson Bay flights
Boston to Gregory Town flights
Albany to Montego Bay flights
Hartford to Castries flights
Hartford to Christiansted flights
Boston to Roseau flights

Top 7 airlines flying from Boston to Puerto Rico

Discover the top 7 airlines that operate flights from Boston to Puerto Rico. 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 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$89Average$261FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$98Average$263FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$124Average$526FlexibilityNo cancel feeOn-time62%
DeltaCheapest$151Average$331FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$194Average$380FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$474FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$383Average$541FlexibilityNo cancel feeOn-time63%

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