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Puerto Rico

$77+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJU
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
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 April 11, 2025.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$139
(Cheapflightsfares)

One-way from

$84
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$294

Good round-trip deal

$218 or less

Good one-way deal

$145 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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Highest demand for flights based on searches. 12% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/10. 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 5/57:52 pmBOS - SJU
Nonstop4h 00mSpirit Airlines
Thu 5/81:33 amSJU - BOS
1 stop17h 25mSpirit Airlines
Deal found 4/10$139
This Cheapflightsfares deal was found by Cheapflights users on 4/10. 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 5/27:52 pmBOS - SJU
Nonstop4h 00mMultiple Airlines
Thu 5/86:30 amSJU - BOS
Nonstop4h 13mMultiple Airlines
Deal found 4/10$160
This Frontier deal was found by Cheapflights users on 4/10. 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 4/2911:26 amBOS - SJU
Nonstop3h 56mFrontier
Thu 5/86:30 amSJU - BOS
Nonstop4h 13mFrontier
Deal found 4/10$189
This JetBlue deal was found by Cheapflights users on 4/10. 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 5/33:00 pmBOS - SJU
Nonstop4h 05mJetBlue
Fri 5/96:00 amSJU - BOS
Nonstop4h 08mJetBlue
Deal found 4/10$218
This United Airlines deal was found by Cheapflights users on 4/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/306:00 amBOS - SJU
2 stops14h 38mUnited Airlines
Sat 5/31:05 amSJU - BOS
1 stop7h 47mUnited Airlines
Deal found 4/9$227
This Delta deal was found by Cheapflights users on 4/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/48:25 amBOS - SJU
Nonstop4h 00mDelta
Tue 5/131:39 pmSJU - BOS
Nonstop4h 18mDelta
Deal found 4/10$246
This American Airlines deal was found by Cheapflights users on 4/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/292:11 pmBOS - SJU
1 stop14h 49mAmerican Airlines
Wed 5/76:10 amSJU - BOS
2 stops14h 30mAmerican Airlines
Deal found 4/10$270
This Booking.com deal was found by Cheapflights users on 4/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/306:00 amBOS - BQN
1 stop19h 54mFrontier
Tue 5/62:47 amBQN - BOS
1 stop21h 57mFrontier
Deal found 4/10$308
This CheapOair deal was found by Cheapflights users on 4/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:00 amBOS - PSE
1 stop26h 56mFrontier
Mon 5/59:46 amPSE - BOS
1 stop14h 58mFrontier
Deal found 4/9$348
This JetBlue deal was found by Cheapflights users on 4/10. 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 5/105:30 pmBOS - BQN
1 stop8h 31mJetBlue
Sat 5/174:28 pmBQN - BOS
1 stop7h 25mJetBlue
Deal found 4/10$356
This United deal was found by Cheapflights users on 4/10. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/273:40 pmBOS - BQN
1 stop7h 29mUnited Airlines
Fri 5/212:15 amBQN - BOS
1 stop8h 41mUnited Airlines
Deal found 4/10$368
This JetBlue deal was found by Cheapflights users on 4/10. 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 5/62:27 pmBOS - PSE
1 stop9h 32mJetBlue
Tue 5/135:09 amPSE - BOS
1 stop10h 36mJetBlue
Deal found 4/10$392

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 11, 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

Mon 5/5

7:52 pm-11:52 pm

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Fri 5/9

1:39 pm-10:51 pm

1 stop9h 12m

$139

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Fri 5/2

7:52 pm-11:52 pm

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Thu 5/8

6:30 am-10:43 am

Nonstop4h 13m

$160

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 4/29

11:26 am-3:22 pm

Nonstop3h 56m

San Juan Luis Munoz Marin Intl

Thu 5/8

6:30 am-10:43 am

Nonstop4h 13m

$189

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 5/3

3:00 pm-7:05 pm

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Fri 5/9

6:00 am-10:08 am

Nonstop4h 08m

$218

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 4/30

5:30 am-12:34 pm

1 stop7h 04m

San Juan Luis Munoz Marin Intl

Wed 5/7

1:25 pm-10:27 pm

1 stop9h 02m

$227

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sun 5/4

8:25 am-12:25 pm

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Tue 5/13

1:39 pm-5:57 pm

Nonstop4h 18m

$246

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 4/29

2:11 pm-5:00 am

1 stop14h 49m

San Juan Luis Munoz Marin Intl

Wed 5/7

6:10 am-8:40 pm

2 stops14h 30m

$270

BostonAguadilla

BOS - BQN

BOSBQN

Boston Logan Intl

Wed 4/30

6:00 am-1:54 am

1 stop19h 54m

Aguadilla Borinquen

Tue 5/6

2:47 am-12:44 am

1 stop21h 57m

$308

BostonAguadilla

BOS - BQN

BOSBQN

Boston Logan Intl

Fri 9/12

8:00 am-11:09 pm

2 stops15h 09m

Aguadilla Borinquen

Sun 9/14

12:15 am-9:56 am

2 stops9h 41m

$348

BostonPonce

BOS - PSE

BOSPSE

Boston Logan Intl

Thu 5/1

6:00 am-8:56 am

1 stop26h 56m

Ponce Mercedita

Mon 5/5

9:46 am-12:44 am

1 stop14h 58m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Showing 1-10 of 37 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 December is currently the most expensive (average of $336). 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 11, 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 April 11, 2025.

The most flights from BOS to PR0 are scheduled on a Thursday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Puerto Rico ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Puerto Rico when rainfall is around 2.2 in.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Puerto Rico, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 11, 2025.
Read reviews from past customers who have flown Southwest, Delta and United Airlines from Boston to Puerto Rico. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,279 reviews

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,279 reviews
Southwest
8.0
Very good
4,279 reviews

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,910 reviews
Southwest
8.0
Very good
4,279 reviews

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,636 reviews
Southwest
8.0
Very good
4,279 reviews

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
JetBlue
7.3
Good
2,925 reviews
Southwest
8.0
Very good
4,279 reviews

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,279 reviews

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $84. Frontier flights start at $93 while deals on Delta start at $119 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: TAP AIR PORTUGAL (77%), Japan Airlines (71%), Delta (69%).

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

    On average you can expect to pay $540 for a flight from Boston to Puerto Rico. The cheapest flight overall is $97 while the most popular route, (Boston Logan Intl - San Juan Luis Munoz Marin Intl) is currently priced at $160.

  • 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 December is currently the most expensive (average of $336). 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
Boston to Oranjestad flights
Boston to Santo Domingo flights
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Boston to Santiago de los Caballeros flights
Boston to Montego Bay flights
Boston to Nassau flights
Boston to Providenciales flights
Boston to Simpson Bay flights
Boston to Saint Thomas Island flights
Boston to Christiansted flights
Boston to Bridgetown flights
Hartford to Oranjestad flights
Boston to Castries flights
Boston to George Town flights
Hartford to Montego Bay flights
Boston to Willemstad flights
Boston to St. John's flights
Boston to St. George's flights
Albany to Luis Munoz Marin Intl flights
Boston to Puerto Plata flights
Hartford to Punta Cana flights
Boston to Kingston flights
Albany to Oranjestad flights
Hartford to Ponce flights
Hartford to Nassau flights
Hartford to Saint Thomas Island flights
Hartford to Kingston flights
Hartford to Santo Domingo flights
Boston to Port of Spain flights
Boston to Basseterre flights
Albany to Montego Bay flights
Hartford to Providenciales flights
Hartford to Simpson Bay flights
Hartford to St. John's flights
Hartford to Georgetown flights
Boston to Culebra flights
Hartford to Aguadilla flights
Boston to Aguadilla flights
Hartford to Castries flights
Boston to Kralendijk flights
Albany to Punta Cana flights
Boston to Cap Haitien flights
Boston to Road Town flights
Albany to Nassau flights
Boston to Gregory Town flights
Boston to Marsh Harbour flights
Boston to Freeport flights
Boston to The Valley 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 April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$76Average$260FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$86Average$231FlexibilityNo cancel feeOn-time65%
DeltaCheapest$141Average$321FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$142Average$476FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$204Average$459FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$282Average$516FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$427Average$671FlexibilityNo cancel feeOn-time63%

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