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Puerto Rico

$123+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJU
Nov 9 — Nov 161
Sun 11/9
Sun 11/16
1 adult, Economy
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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 October 10, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$203
(Frontier)

One-way from

$123
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$260

Good round-trip deal

$282 or less

Good one-way deal

$147 or less
Provider with most accurate pricing for Boston Logan Intl-San Juan flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-San Juan flights.
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From Boston Logan Intl to Puerto Rico
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One-way flight from Boston Logan Intl to Puerto Rico
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Puerto Rico.
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Price to beat on a one-way flight from Boston Logan Intl to Puerto Rico.
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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 October 10, 2025.

This Frontier deal was found by Cheapflights users on 10/8. 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 12/96:00 amBOS - SJU
1 stop7h 54mFrontier
Thu 12/186:00 amSJU - BOS
Nonstop4h 14mFrontier
Deal found 10/8$203
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 12/86:00 amBOS - SJU
1 stop9h 23mSpirit Airlines
Thu 12/185:27 pmSJU - BOS
Nonstop4h 07mSpirit Airlines
Deal found 10/8$205
This JetBlue deal was found by Cheapflights users on 10/8. 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 10/281:40 pmBOS - SJU
1 stop7h 14mJetBlue
Fri 10/317:00 amSJU - BOS
1 stop8h 00mJetBlue
Deal found 10/8$206
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 12/96:15 amBOS - SJU
1 stop12h 06mSpirit Airlines
Wed 12/175:27 pmSJU - BOS
Nonstop4h 07mSpirit Airlines
Deal found 10/8$209
This JetBlue deal was found by Cheapflights users on 10/8. 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.
Sat 10/252:45 pmBOS - SJU
1 stop10h 02mJetBlue
Fri 10/312:31 pmSJU - BOS
1 stop9h 17mJetBlue
Deal found 10/8$211
This Cheapflightsfares deal was found by Cheapflights users on 10/7. 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.
Fri 12/56:00 amBOS - SJU
1 stop9h 23mSpirit Airlines
Fri 12/1212:10 pmSJU - BOS
1 stop10h 58mSpirit Airlines
Deal found 10/7$215
This Cheapflightsfares deal was found by Cheapflights users on 10/9. 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.
Mon 12/86:00 amBOS - SJU
1 stop9h 23mSpirit Airlines
Tue 12/162:59 amSJU - BOS
1 stop8h 09mSpirit Airlines
Deal found 10/9$216
This Priceline deal was found by Cheapflights users on 10/7. 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.
Thu 12/46:15 amBOS - SJU
1 stop12h 06mSpirit Airlines
Fri 12/1210:57 amSJU - BOS
1 stop12h 11mSpirit Airlines
Deal found 10/7$217
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Thu 12/1112:20 pmBOS - SJU
1 stop11h 17mMultiple Airlines
Wed 12/175:27 pmSJU - BOS
Nonstop4h 07mMultiple Airlines
Deal found 10/8$219
This SmartFares deal was found by Cheapflights users on 10/8. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2112:00 pmBOS - SJU
Nonstop4h 05mJetBlue
Tue 10/287:00 amSJU - BOS
1 stop9h 37mJetBlue
Deal found 10/8$220
This Trip.com deal was found by Cheapflights users on 10/7. 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 11/47:40 amBOS - SJU
Nonstop4h 04mJetBlue
Thu 11/138:10 amSJU - BOS
Nonstop4h 13mJetBlue
Deal found 10/7$223
This CheapOair deal was found by Cheapflights users on 10/7. 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.
Fri 12/511:06 amBOS - PSE
1 stop21h 49mFrontier
Thu 12/1110:50 amPSE - BOS
1 stop24h 21mFrontier
Deal found 10/7$264

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 October 10, 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

Tue 10/21

8:00 am-12:27 pm

Nonstop4h 27m

San Juan Luis Munoz Marin Intl

Wed 10/29

11:30 am-7:51 pm

1 stop8h 21m

$248

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Fri 12/12

1:40 pm-10:09 pm

1 stop7h 29m

San Juan Luis Munoz Marin Intl

Sat 12/27

8:35 pm-11:47 pm

Nonstop4h 12m

$252

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Fri 10/31

8:15 am-12:21 pm

Nonstop4h 06m

San Juan Luis Munoz Marin Intl

Tue 11/4

2:32 pm-5:45 pm

Nonstop4h 13m

$262

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Mon 11/17

8:10 am-1:15 pm

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Tue 11/25

2:27 pm-5:49 pm

Nonstop4h 22m

$262

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 11/4

8:15 am-1:21 pm

Nonstop4h 06m

San Juan Luis Munoz Marin Intl

Sat 11/8

2:32 pm-5:45 pm

Nonstop4h 13m

$262

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sun 11/16

6:55 pm-11:54 pm

Nonstop3h 59m

San Juan Luis Munoz Marin Intl

Tue 11/25

9:25 pm-12:30 am

Nonstop4h 05m

$262

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Thu 10/16

8:00 am-12:27 pm

Nonstop4h 27m

San Juan Luis Munoz Marin Intl

Mon 10/20

1:00 pm-5:18 pm

Nonstop4h 18m

$263

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sun 10/19

8:15 am-12:21 pm

Nonstop4h 06m

San Juan Luis Munoz Marin Intl

Wed 10/22

7:00 am-4:01 pm

1 stop9h 01m

$267

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Fri 10/31

11:25 am-5:20 pm

1 stop5h 55m

San Juan Luis Munoz Marin Intl

Tue 11/4

9:30 am-4:37 pm

1 stop8h 07m

$267

BostonAguadilla

BOS - BQN

BOSBQN

Boston Logan Intl

Tue 10/21

4:23 pm-11:09 pm

1 stop6h 46m

Aguadilla Borinquen

Fri 10/24

12:15 am-2:40 pm

2 stops14h 25m

$291

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/8

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 October 10, 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 47% 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 October 10, 2025.

The most flights from BOS to PR0 are scheduled on a Wednesday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 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 October 10, 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
8.0
Very good
7,969 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,969 reviews
Delta
8.0
Very good
7,969 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,968 reviews
Delta
8.0
Very good
7,969 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
JetBlue
7.2
Good
2,908 reviews
Delta
8.0
Very good
7,969 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,088 reviews
Delta
8.0
Very good
7,969 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.8
Fair
3,143 reviews
Delta
8.0
Very good
7,969 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 06m. 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 JetBlue, which is currently one of the cheapest options available, starting at $126. Frontier flights start at $131 while deals on Southwest start at $136 one-way.

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

    While some choose either Boston Logan Intl - Ponce Mercedita or Boston Logan Intl - Aguadilla Borinquen, 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 (77%), Hawaiian Airlines (75%), Icelandair (71%).

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

    On average you can expect to pay $674 for a flight from Boston to Puerto Rico. The cheapest flight overall is $123 while the most popular route, (Boston Logan Intl - San Juan Luis Munoz Marin Intl) is currently priced at $175.

  • 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.
Boston to Luis Munoz Marin Intl flights
Boston to Santo Domingo flights
Hartford to Luis Munoz Marin Intl flights
Boston to Oranjestad flights
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Boston to Saint Thomas Island flights
Boston to Nassau flights
Boston to Montego Bay flights
Boston to Providenciales flights
Boston to Simpson Bay flights
Boston to George Town flights
Boston to Bridgetown flights
Boston to Castries flights
Hartford to Montego Bay flights
Boston to Christiansted flights
Boston to Kingston flights
Albany to Luis Munoz Marin Intl flights
Hartford to Oranjestad flights
Boston to Basseterre flights
Boston to Willemstad flights
Hartford to Punta Cana flights
Hartford to Saint Thomas Island flights
Hartford to Kingston flights
Boston to St. John's flights
Boston to Road Town flights
Boston to Port of Spain flights
Boston to St. George's flights
Albany to Oranjestad flights
Boston to Puerto Plata flights
Hartford to Castries flights
Boston to Ponce flights
Hartford to Nassau flights
Albany to Saint Thomas Island flights
Hartford to Christiansted flights
Hartford to Simpson Bay flights
Albany to Punta Cana flights
Hartford to Providenciales flights
Boston to Aguadilla flights
Boston to Kralendijk flights
Albany to Montego Bay flights
Boston to The Valley flights
Boston to Gregory Town flights
Boston to Marsh Harbour flights
Boston to Castries flights
Hartford to Ponce flights
Hartford to Bridgetown flights
Hartford to Willemstad flights
Boston to Roseau flights
Boston to Georgetown 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 October 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$59Average$264FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$100Average$271FlexibilityNo cancel feeOn-time65%
DeltaCheapest$143Average$328FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$168Average$508FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$194Average$407FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$495FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$398Average$628FlexibilityNo cancel feeOn-time63%

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