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Puerto Rico

$90+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJU
May 17 — May 241
Sun 5/17
Sun 5/24
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 April 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Tue 5/56:00 am
BOS
-
SJU
1 stop8h 07m
Frontier
Wed 5/135:15 pm
SJU
-
BOS
1 stop8h 09m
Frontier
Deal found 4/14$174
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Tue 4/282:12 pm
BOS
-
SJU
Nonstop3h 54m
Multiple Airlines
Fri 5/155:15 pm
SJU
-
BOS
1 stop8h 09m
Multiple Airlines
Deal found 4/14$175
This Priceline deal was found by Cheapflights users on 4/13. 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 5/610:07 am
BOS
-
SJU
1 stop12h 36m
Frontier
Wed 5/135:15 pm
SJU
-
BOS
1 stop8h 09m
Frontier
Deal found 4/13$176
This Kiwi.com deal was found by Cheapflights users on 4/12. 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.
Tue 5/1210:07 am
BOS
-
SJU
1 stop16h 01m
Frontier
Fri 5/225:15 pm
SJU
-
BOS
1 stop8h 09m
Frontier
Deal found 4/12$178
This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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.
Sun 8/2310:40 am
BOS
-
SJU
Nonstop3h 54m
Spirit Airlines
Wed 9/23:29 pm
SJU
-
BOS
Nonstop4h 07m
Spirit Airlines
Deal found 4/14$180
This Priceline deal was found by Cheapflights users on 4/12. 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.
Sun 8/3010:40 am
BOS
-
SJU
Nonstop3h 54m
Spirit Airlines
Thu 9/33:29 pm
SJU
-
BOS
Nonstop4h 07m
Spirit Airlines
Deal found 4/12$181
This Travelocity deal was found by Cheapflights users on 4/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:20 am
BOS
-
SJU
1 stop13h 38m
Multiple Airlines
Wed 5/65:15 pm
SJU
-
BOS
1 stop8h 09m
Multiple Airlines
Deal found 4/12$183
This CheapOair deal was found by Cheapflights users on 4/14. 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.
Tue 4/282:12 pm
BOS
-
SJU
Nonstop3h 54m
Multiple Airlines
Wed 5/65:15 pm
SJU
-
BOS
1 stop8h 09m
Multiple Airlines
Deal found 4/14$184
This Priceline deal was found by Cheapflights users on 4/14. 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.
Sun 4/262:12 pm
BOS
-
SJU
Nonstop3h 54m
Multiple Airlines
Tue 5/58:30 am
SJU
-
BOS
1 stop26h 36m
Multiple Airlines
Deal found 4/14$185
This Priceline deal was found by Cheapflights users on 4/14. 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.
Mon 5/412:31 pm
BOS
-
SJU
1 stop11h 12m
Frontier
Tue 5/125:15 pm
SJU
-
BOS
1 stop8h 09m
Frontier
Deal found 4/14$186
This Frontier deal was found by Cheapflights users on 4/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:07 am
BOS
-
SJU
1 stop12h 36m
Frontier
Thu 5/215:15 pm
SJU
-
BOS
1 stop14h 34m
Frontier
Deal found 4/12$187
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/111:06 am
BOS
-
SJU
1 stop14h 55m
Frontier
Wed 5/65:15 pm
SJU
-
BOS
1 stop8h 09m
Frontier
Deal found 4/13$188

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 April 17, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$174
(Kiwi.com)

One-way from

$90
(Super.com)

Popular in

December

Cheapest in

January

Average price

$336

Good round-trip deal

$298 or less

Good one-way deal

$151 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. 5% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 April 17, 2026.
Use the filters below to find and compare flights from Boston to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonPonce

BOS - PSE

BOSPSE

Boston Logan Intl

Thu 5/7

10:07 am-9:02 am

1 stop22h 55m

Ponce Mercedita

Tue 5/12

10:02 am-9:12 am

1 stop23h 10m

$212

BostonPonce

BOS - PSE

BOSPSE

Boston Logan Intl

Fri 5/8

9:57 am-9:07 am

1 stop23h 10m

Ponce Mercedita

Mon 5/11

9:47 am-9:12 am

1 stop23h 25m

$212

BostonPonce

BOS - PSE

BOSPSE

Boston Logan Intl

Sat 5/9

10:07 am-9:07 am

1 stop23h 00m

Ponce Mercedita

Fri 5/15

9:47 am-9:12 am

1 stop23h 25m

$212

BostonPonce

BOS - PSE

BOSPSE

Boston Logan Intl

Sat 5/9

10:07 am-9:07 am

1 stop23h 00m

Ponce Mercedita

Tue 5/19

10:02 am-9:12 am

1 stop23h 10m

$212

BostonPonce

BOS - PSE

BOSPSE

Boston Logan Intl

Thu 5/14

7:00 am-9:02 am

1 stop26h 02m

Ponce Mercedita

Fri 5/29

10:02 am-9:42 pm

1 stop11h 40m

$305

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 6/16

5:30 am-12:54 pm

1 stop7h 24m

San Juan Luis Munoz Marin Intl

Tue 6/23

2:05 pm-6:14 pm

Nonstop4h 09m

$328

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Mon 6/1

9:05 am-4:29 pm

1 stop7h 24m

San Juan Luis Munoz Marin Intl

Thu 6/4

2:00 pm-6:18 pm

Nonstop4h 18m

$328

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 6/16

5:30 am-12:54 pm

1 stop7h 24m

San Juan Luis Munoz Marin Intl

Fri 6/26

2:05 pm-6:14 pm

Nonstop4h 09m

$328

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sun 5/31

8:50 am-12:49 pm

Nonstop3h 59m

San Juan Luis Munoz Marin Intl

Fri 6/5

5:43 pm-1:28 am

1 stop7h 45m

$328

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 6/6

6:00 am-4:29 pm

1 stop10h 29m

San Juan Luis Munoz Marin Intl

Sun 6/14

2:05 pm-6:14 pm

Nonstop4h 09m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Showing 1-10 of 56 resultsSorted by cheapest first
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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% 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 $272). Flying from Boston to Puerto Rico in September is currently the most expensive (average of $541). 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 April 17, 2026.

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 morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 21% 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 April 11, 2026.

Travelers seeking maximum savings on their Boston to Puerto Rico flight should consider departing on Tuesday afternoons 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 April 17, 2026.

The most flights from BOS to PR0 are scheduled on a Wednesday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

How often are flights from Boston to Puerto Rico delayed?

About 25% of weekly flights between Boston and Puerto Rico have experienced delays in the past year, with the average delay time being 150 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 in the evening 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 Sunday 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 18% 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 April 17, 2026.
See what other customers who have flown with Delta,United Airlines, andJetBlue 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
8,409 reviews

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

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
8,409 reviews
Delta
7.9
Good
8,409 reviews

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

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
9,601 reviews
Delta
7.9
Good
8,409 reviews

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

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
2,939 reviews
Delta
7.9
Good
8,409 reviews

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

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
8,616 reviews
Delta
7.9
Good
8,409 reviews

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

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
5.7
Fair
2,987 reviews
Delta
7.9
Good
8,409 reviews

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

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 7h 24m. 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 $62. Spirit Airlines flights start at $67 while deals on JetBlue start at $100 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: Hawaiian Airlines (75%), JetBlue (72%), Japan Airlines (70%).

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

    On average you can expect to pay $550 for a flight from Boston to Puerto Rico. The cheapest flight overall is $90 while the most popular route, (Boston Logan Intl - San Juan Luis Munoz Marin Intl) is currently priced at $180.

  • 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 $272). Flying from Boston to Puerto Rico in September is currently the most expensive (average of $541). 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

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.

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 April 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$90Average$272FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$93Average$260FlexibilityNo cancel feeOn-time65%
DeltaCheapest$144Average$341FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$153Average$517FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$211Average$372FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$242Average$414FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$313Average$399FlexibilityNo cancel feeOn-time63%

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