Puerto Rico

$124+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJU
Dec 4 — Dec 111
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Cheap 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 November 4, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$212
(Priceline)

One-way from

$124
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$285

Good round-trip deal

$262 or less

Good one-way deal

$166 or less
Provider with most accurate pricing for Boston Logan Intl-San Juan flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-San Juan flights.
From Boston Logan Intl to Puerto Rico
One-way flight from Boston Logan Intl to Puerto Rico
High demand for flights, 0% potential price rise
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in November 2025
Price to beat on a round-trip flight from Boston Logan Intl to Puerto Rico.
Price to beat on a one-way flight from Boston Logan Intl to Puerto Rico.

Find 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 November 4, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/235:45 amBOS - SJU
1 stop13h 42mSpirit Airlines
Fri 12/56:14 pmSJU - BOS
1 stop6h 42mSpirit Airlines
Deal found 11/2$216
This CheapOair deal was found by Cheapflights users on 11/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/118:11 pmBOS - SJU
1 stop13h 22mSpirit Airlines
Mon 12/156:14 pmSJU - BOS
1 stop6h 42mSpirit Airlines
Deal found 11/2$217
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 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
Thu 1/85:27 pmSJU - BOS
Nonstop4h 07mSpirit Airlines
Deal found 11/3$221
This Trip.com deal was found by Cheapflights users on 11/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/812:55 pmBOS - SJU
Nonstop4h 02mJetBlue
Mon 12/156:10 amSJU - BOS
Nonstop4h 09mJetBlue
Deal found 11/2$223
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:45 amBOS - SJU
1 stop13h 42mSpirit Airlines
Fri 12/54:10 amSJU - BOS
1 stop20h 46mSpirit Airlines
Deal found 11/3$224
This Mytrip deal was found by Cheapflights users on 11/4. 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 12/68:11 pmBOS - SJU
1 stop13h 22mSpirit Airlines
Tue 12/95:00 pmSJU - BOS
1 stop18h 01mSpirit Airlines
Deal found 11/4$225
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/238:24 amBOS - SJU
1 stop15h 31mMultiple Airlines
Fri 12/54:10 amSJU - BOS
1 stop20h 46mMultiple Airlines
Deal found 11/4$226
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/910:56 amBOS - SJU
1 stop12h 20mMultiple Airlines
Thu 12/188:00 amSJU - BOS
Nonstop4h 23mMultiple Airlines
Deal found 11/4$227
This Trip.com deal was found by Cheapflights users on 11/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:00 pmBOS - SJU
Nonstop3h 59mJetBlue
Fri 11/148:10 amSJU - BOS
Nonstop4h 13mJetBlue
Deal found 11/3$228
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amBOS - SJU
1 stop16h 54mMultiple Airlines
Sat 1/1010:52 amSJU - BOS
Nonstop4h 20mMultiple Airlines
Deal found 11/4$229
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/78:11 pmBOS - SJU
1 stop13h 22mSpirit Airlines
Thu 12/184:10 amSJU - BOS
1 stop7h 40mSpirit Airlines
Deal found 11/4$230
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/229:57 amBOS - SJU
1 stop13h 30mMultiple Airlines
Mon 12/86:14 pmSJU - BOS
1 stop6h 42mMultiple Airlines
Deal found 11/4$231

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 November 4, 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 4/12

8:15 pm-12:15 am

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Sun 4/19

5:15 am-9:23 am

Nonstop4h 08m

$262

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Mon 12/8

8:10 am-1:10 pm

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Thu 12/11

2:20 pm-5:45 pm

Nonstop4h 25m

$262

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 2/17

8:50 pm-1:50 am

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Wed 2/25

6:10 am-9:20 am

Nonstop4h 10m

$262

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 3/28

6:00 pm-10:00 pm

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Sun 4/5

5:15 am-9:23 am

Nonstop4h 08m

$262

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Fri 2/20

8:50 pm-1:50 am

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Thu 2/26

6:10 am-9:20 am

Nonstop4h 10m

$262

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 1/31

1:00 pm-11:59 pm

1 stop9h 59m

San Juan Luis Munoz Marin Intl

Thu 2/5

2:25 pm-5:45 pm

Nonstop4h 20m

$267

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Mon 1/26

1:30 pm-11:44 pm

1 stop9h 14m

San Juan Luis Munoz Marin Intl

Tue 2/3

2:25 pm-5:45 pm

Nonstop4h 20m

$267

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 2/4

12:08 pm-10:22 pm

2 stops9h 14m

San Juan Luis Munoz Marin Intl

Tue 2/10

7:45 am-6:57 pm

2 stops12h 12m

$271

BostonAguadilla

BOS - BQN

BOSBQN

Boston Logan Intl

Sat 12/6

6:00 am-11:57 pm

2 stops16h 57m

Aguadilla Borinquen

Sun 12/7

1:09 am-9:14 am

1 stop9h 05m

$271

BostonAguadilla

BOS - BQN

BOSBQN

Boston Logan Intl

Mon 2/2

4:15 pm-11:57 pm

1 stop6h 42m

Aguadilla Borinquen

Fri 2/6

1:09 am-9:14 am

1 stop9h 05m

$271

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 60 results
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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, February is the cheapest month in which you can book a flight from Boston to Puerto Rico (average of $65). Flying from Boston to Puerto Rico in September is currently the most expensive (average of $147). 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 November 4, 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 November 4, 2025.

The most flights from BOS to PR0 are scheduled on a Sunday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

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 November 4, 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.

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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.

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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.

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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.

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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.

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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.

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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. 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 Southwest, which is currently one of the cheapest options available, starting at $136. Delta flights start at $136 while deals on United Airlines start at $146 one-way.

  • What are the most popular routes 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: Japan Airlines (100%), Hawaiian Airlines (86%), Icelandair (85%).

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

    On average you can expect to pay $500 for a flight from Boston to Puerto Rico. The cheapest flight overall is $125 while the most popular route, (Boston Logan Intl - San Juan Luis Munoz Marin Intl) is currently priced at $170.

  • 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, February is the cheapest month in which you can book a flight from Boston to Puerto Rico (average of $65). Flying from Boston to Puerto Rico in September is currently the most expensive (average of $147). 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.

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 November 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$59Average$255FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$100Average$270FlexibilityNo cancel feeOn-time65%
DeltaCheapest$144Average$328FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$172Average$505FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$190Average$386FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$486FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$383Average$624FlexibilityNo cancel feeOn-time63%

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