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Puerto Rico

$108+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJU
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
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 September 19, 2025.

Round-trip from

$187
(Kiwi.com)

One-way from

$108
(Cheapflightsfares)

Popular in

December

Cheapest in

October

Average price

$255

Good round-trip deal

$282 or less

Good one-way deal

$136 or less
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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Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 19, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/18. 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 10/42:18 pmBOS - SJU
1 stop19h 34mMultiple Airlines
Mon 10/62:49 amSJU - BOS
1 stop10h 31mMultiple Airlines
Deal found 9/18$193
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:50 amBOS - SJU
1 stop7h 53mSpirit Airlines
Mon 10/62:49 amSJU - BOS
1 stop10h 31mSpirit Airlines
Deal found 9/17$205
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 10/112:20 pmBOS - SJU
1 stop8h 36mSpirit Airlines
Sat 10/46:44 amSJU - BOS
1 stop7h 04mSpirit Airlines
Deal found 9/16$211
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 11/106:00 amBOS - SJU
1 stop9h 23mSpirit Airlines
Tue 11/1812:10 pmSJU - BOS
1 stop10h 58mSpirit Airlines
Deal found 9/15$213
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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.
Sat 10/252:15 pmBOS - SJU
1 stop10h 39mSpirit Airlines
Mon 10/272:49 amSJU - BOS
1 stop10h 31mSpirit Airlines
Deal found 9/16$214
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Sat 10/42:18 pmBOS - SJU
1 stop19h 34mMultiple Airlines
Fri 10/101:59 amSJU - BOS
1 stop29h 37mMultiple Airlines
Deal found 9/17$215
This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:15 amBOS - SJU
1 stop12h 06mSpirit Airlines
Mon 12/84:31 pmSJU - BOS
1 stop9h 09mSpirit Airlines
Deal found 9/17$217
This Priceline deal was found by Cheapflights users on 9/16. 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.
Fri 11/146:00 amBOS - SJU
1 stop9h 23mSpirit Airlines
Tue 11/1812:10 pmSJU - BOS
1 stop10h 58mSpirit Airlines
Deal found 9/16$218
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 11/176:00 amBOS - SJU
1 stop9h 23mSpirit Airlines
Wed 11/1912:10 pmSJU - BOS
1 stop10h 58mSpirit Airlines
Deal found 9/16$220
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 10/272:15 pmBOS - SJU
1 stop11h 29mSpirit Airlines
Tue 10/282:49 amSJU - BOS
1 stop10h 31mSpirit Airlines
Deal found 9/18$225
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 10/112:20 pmBOS - SJU
1 stop8h 36mSpirit Airlines
Tue 10/72:49 amSJU - BOS
1 stop10h 31mSpirit Airlines
Deal found 9/16$226
This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/249:18 amBOS - BQN
1 stop24h 50mFrontier
Sat 10/252:59 amBQN - BOS
1 stop29h 34mFrontier
Deal found 9/17$256

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 September 19, 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 11/4

2:15 pm-10:04 pm

1 stop6h 49m

San Juan Luis Munoz Marin Intl

Thu 11/13

8:10 am-11:23 am

Nonstop4h 13m

$274

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 10/18

5:15 pm-12:47 am

1 stop7h 32m

San Juan Luis Munoz Marin Intl

Wed 10/29

4:05 am-12:11 pm

1 stop8h 06m

$275

BostonAguadilla

BOS - BQN

BOSBQN

Boston Logan Intl

Tue 11/4

6:00 am-11:57 pm

2 stops16h 57m

Aguadilla Borinquen

Wed 11/19

1:09 am-9:14 am

1 stop9h 05m

$281

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 10/25

8:15 am-12:21 pm

Nonstop4h 06m

San Juan Luis Munoz Marin Intl

Thu 10/30

1:32 pm-5:45 pm

Nonstop4h 13m

$282

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 10/15

8:15 am-12:21 pm

Nonstop4h 06m

San Juan Luis Munoz Marin Intl

Wed 10/22

1:32 pm-5:45 pm

Nonstop4h 13m

$282

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 10/25

8:15 am-12:21 pm

Nonstop4h 06m

San Juan Luis Munoz Marin Intl

Tue 10/28

1:32 pm-5:45 pm

Nonstop4h 13m

$282

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Fri 11/14

1:55 pm-6:57 pm

Nonstop4h 02m

San Juan Luis Munoz Marin Intl

Sat 11/22

6:07 am-9:16 am

Nonstop4h 09m

$282

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Mon 11/24

8:10 am-1:17 pm

Nonstop4h 07m

San Juan Luis Munoz Marin Intl

Thu 11/27

2:27 pm-5:50 pm

Nonstop4h 23m

$282

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 10/18

8:22 am-12:49 pm

Nonstop4h 27m

San Juan Luis Munoz Marin Intl

Thu 10/30

12:51 pm-5:03 pm

Nonstop4h 12m

$282

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Thu 10/30

8:15 am-12:21 pm

Nonstop4h 06m

San Juan Luis Munoz Marin Intl

Mon 11/3

2:32 pm-5:45 pm

Nonstop4h 13m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/18

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, September is the cheapest month in which you can book a flight from Boston to Puerto Rico (average of $254). Flying from Boston to Puerto Rico in June is currently the most expensive (average of $339). 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 September 19, 2025.

When flying from Boston to Puerto Rico, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 19, 2025.

The most flights from BOS to PR0 are scheduled on a Thursday (7 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 September 19, 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
7,964 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

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
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

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
8,926 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

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
2,911 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

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
8,030 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

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
3,171 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

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 $132. Delta flights start at $141 while deals on Frontier start at $142 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 (89%), Hawaiian Airlines (76%), Spirit Airlines (75%).

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

    On average you can expect to pay $613 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 $176.

  • 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, September is the cheapest month in which you can book a flight from Boston to Puerto Rico (average of $254). Flying from Boston to Puerto Rico in June is currently the most expensive (average of $339). 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 Oranjestad flights
Hartford to Luis Munoz Marin Intl flights
Boston to Punta Cana flights
Boston to Santo Domingo flights
Boston to Saint Thomas Island flights
Boston to Santiago de los Caballeros flights
Boston to Montego Bay flights
Boston to Nassau flights
Boston to Simpson Bay flights
Boston to Providenciales flights
Boston to George Town flights
Boston to Bridgetown flights
Boston to Castries flights
Hartford to Oranjestad flights
Boston to Kingston flights
Hartford to Montego Bay flights
Boston to Willemstad flights
Boston to Christiansted flights
Hartford to Saint Thomas Island flights
Albany to Luis Munoz Marin Intl flights
Boston to St. John's flights
Hartford to Punta Cana flights
Boston to Road Town flights
Boston to St. George's flights
Boston to Port of Spain flights
Boston to Aguadilla flights
Albany to Oranjestad flights
Hartford to Christiansted flights
Hartford to Providenciales flights
Hartford to Castries flights
Hartford to Kingston flights
Hartford to Simpson Bay flights
Boston to Basseterre flights
Albany to Montego Bay flights
Boston to Puerto Plata flights
Hartford to Santo Domingo flights
Albany to Christiansted flights
Hartford to Nassau flights
Albany to Saint Thomas Island flights
Boston to Castries flights
Boston to Ponce flights
Hartford to Aguadilla flights
Boston to Kralendijk flights
Albany to Punta Cana flights
Worcester to Luis Munoz Marin Intl flights
Boston to Georgetown flights
Hartford to Willemstad flights
Albany to Nassau flights
Hartford to Ponce 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 September 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$59Average$234FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$99Average$270FlexibilityNo cancel feeOn-time65%
DeltaCheapest$142Average$331FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$160Average$507FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$194Average$448FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$491FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$398Average$640FlexibilityNo cancel feeOn-time63%

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