Puerto Rico

$95+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJU
May 3 — May 101
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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 28, 2025.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$139
(Cheapflightsfares)

One-way from

$95
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$300

Good round-trip deal

$244 or less

Good one-way deal

$137 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
Highest demand for flights based on searches. 11% potential increase in price ($35 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in April 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 April 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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 5/296:10 amBOS - SJU
1 stop12h 57mSpirit Airlines
Tue 6/31:59 amSJU - BOS
1 stop7h 10mSpirit Airlines
Deal found 4/28$139
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/1511:43 amBOS - SJU
Nonstop4h 01mFrontier
Sun 5/186:30 amSJU - BOS
Nonstop4h 13mFrontier
Deal found 4/28$200
This JetBlue deal was found by Cheapflights users on 4/27. 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.
Fri 10/178:00 amBOS - SJU
Nonstop4h 04mJetBlue
Tue 10/217:00 pmSJU - BOS
Nonstop4h 04mJetBlue
Deal found 4/27$214
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 9/256:02 amBOS - SJU
2 stops8h 43mAmerican Airlines
Tue 9/308:30 amSJU - BOS
1 stop6h 49mAmerican Airlines
Deal found 4/28$223
This FlightHub deal was found by Cheapflights users on 4/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/39:05 pmBOS - SJU
1 stop12h 27mMultiple Airlines
Thu 5/86:30 amSJU - BOS
Nonstop4h 13mMultiple Airlines
Deal found 4/28$235
This Delta deal was found by Cheapflights users on 4/27. 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.
Thu 10/168:10 amBOS - SJU
Nonstop4h 12mDelta
Tue 10/215:30 pmSJU - BOS
1 stop7h 30mDelta
Deal found 4/27$264
This JetBlue deal was found by Cheapflights users on 4/28. 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.
Thu 6/265:33 pmBOS - PSE
1 stop6h 46mJetBlue
Sun 6/291:59 amPSE - BOS
1 stop7h 52mJetBlue
Deal found 4/28$286
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 10/236:00 amBOS - SJU
1 stop7h 45mUnited Airlines
Tue 10/281:10 pmSJU - BOS
2 stops10h 44mUnited Airlines
Deal found 4/28$302
This Booking.com deal was found by Cheapflights users on 4/28. 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.
Fri 5/96:00 amBOS - BQN
1 stop19h 57mFrontier
Sun 5/112:47 amBQN - BOS
1 stop21h 57mFrontier
Deal found 4/28$328
This United Airlines deal was found by Cheapflights users on 4/28. 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 6/1112:29 pmBOS - BQN
2 stops10h 40mUnited Airlines
Tue 6/1712:15 amBQN - BOS
1 stop8h 40mUnited Airlines
Deal found 4/28$337
This JetBlue deal was found by Cheapflights users on 4/28. 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.
Wed 7/25:30 pmBOS - BQN
1 stop9h 29mJetBlue
Tue 7/86:05 amBQN - BOS
1 stop10h 08mJetBlue
Deal found 4/28$378
This CheapOair deal was found by Cheapflights users on 4/28. 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.
Wed 5/218:00 amBOS - PSE
1 stop24h 24mFrontier
Thu 5/299:25 amPSE - BOS
1 stop23h 15mFrontier
Deal found 4/28$409

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 28, 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

Thu 5/29

6:10 am-7:07 pm

1 stop12h 57m

San Juan Luis Munoz Marin Intl

Tue 6/3

1:59 am-9:09 am

1 stop7h 10m

$139

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Thu 5/15

11:43 am-3:44 pm

Nonstop4h 01m

San Juan Luis Munoz Marin Intl

Sun 5/18

6:30 am-10:43 am

Nonstop4h 13m

$200

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 5/3

9:05 pm-9:32 am

1 stop12h 27m

San Juan Luis Munoz Marin Intl

Thu 5/8

6:30 am-10:43 am

Nonstop4h 13m

$235

BostonPonce

BOS - PSE

BOSPSE

Boston Logan Intl

Thu 6/26

5:33 pm-12:19 am

1 stop6h 46m

Ponce Mercedita

Sun 6/29

1:59 am-9:51 am

1 stop7h 52m

$286

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 5/28

1:30 pm-5:30 pm

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Sun 6/8

6:00 am-10:08 am

Nonstop4h 08m

$304

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Fri 5/30

6:05 am-4:44 pm

1 stop10h 39m

San Juan Luis Munoz Marin Intl

Sat 6/7

1:39 pm-5:57 pm

Nonstop4h 18m

$309

BostonAguadilla

BOS - BQN

BOSBQN

Boston Logan Intl

Fri 5/9

6:00 am-1:57 am

1 stop19h 57m

Aguadilla Borinquen

Sun 5/11

2:47 am-12:44 am

1 stop21h 57m

$328

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Mon 5/19

7:00 am-1:45 pm

1 stop6h 45m

San Juan Luis Munoz Marin Intl

Fri 5/23

1:05 am-8:58 am

1 stop7h 53m

$336

BostonAguadilla

BOS - BQN

BOSBQN

Boston Logan Intl

Wed 6/11

12:29 pm-11:09 pm

2 stops10h 40m

Aguadilla Borinquen

Tue 6/17

12:15 am-10:21 am

2 stops10h 06m

$337

BostonAguadilla

BOS - BQN

BOSBQN

Boston Logan Intl

Wed 7/2

5:30 pm-2:59 am

1 stop9h 29m

Aguadilla Borinquen

Tue 7/8

6:05 am-4:13 pm

1 stop10h 08m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 32 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 28, 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 28, 2025.

The most flights from BOS to PR0 are scheduled on a Monday (20 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 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 28, 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.

Comfort

8.0

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Comfort

8.0

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
8.0
Very good

Comfort

8.0

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Comfort

8.0

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Comfort

8.0

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Comfort

8.0

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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 $95. Frontier flights start at $97 while deals on JetBlue start at $143 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: Aer Lingus (78%), Japan Airlines (75%), TAP AIR PORTUGAL (74%).

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

    On average you can expect to pay $482 for a flight from Boston to Puerto Rico. The cheapest flight overall is $94 while the most popular route, (Boston Logan Intl - San Juan Luis Munoz Marin Intl) is currently priced at $153.

  • 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.

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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$76Average$255FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$84Average$237FlexibilityNo cancel feeOn-time65%
DeltaCheapest$142Average$320FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$145Average$479FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$204Average$473FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$282Average$521FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$427Average$677FlexibilityNo cancel feeOn-time63%

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