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$130+ Cheap flights from Cancún (CUN) 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SJU
Aug 22 — Aug 291
Fri 8/22
Fri 8/29
1 adult, Economy
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Cheap flight deals from Cancún to Puerto Rico

Keep the following information in mind while searching for Cancún to Puerto Rico flight deals. Data was last updated August 17, 2025.

Round-trip from

$297
(Delta)

One-way from

$130
(FlightHub)

Popular in

December

Cheapest in

March

Average price

$295

Good one-way deal

$248 or less
From Cancun to Puerto Rico
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One-way flight from Cancun to Puerto Rico
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Highest demand for flights based on searches. 6% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a one-way flight from Cancun to Puerto Rico.
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Find flight deals from Cancún to Puerto Rico

Cheapest flights from Cancún to Puerto Rico
Explore the most affordable flight options available from Cancún to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.

This JetBlue deal was found by Cheapflights users on 8/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/199:45 amCUN - SJU
1 stop9h 34mJetBlue
Sat 11/17:48 pmSJU - CUN
1 stop14h 20mJetBlue
Deal found 8/16$341
This Copa Airlines deal was found by Cheapflights users on 8/15. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2711:19 amCUN - SJU
1 stop10h 06mCopa Airlines
Sat 1/106:14 pmSJU - CUN
1 stop17h 17mCopa Airlines
Deal found 8/15$353
This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:51 amCUN - SJU
1 stop11h 47mUnited Airlines
Wed 10/83:56 pmSJU - CUN
2 stops28h 24mUnited Airlines
Deal found 8/17$356
This Copa Airlines deal was found by Cheapflights users on 8/17. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:59 amCUN - SJU
1 stop8h 12mCopa Airlines
Fri 11/216:12 pmSJU - CUN
1 stop17h 38mCopa Airlines
Deal found 8/17$373
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:00 amCUN - SJU
2 stops14h 59mDelta
Sun 11/91:02 pmSJU - CUN
1 stop12h 21mDelta
Deal found 8/16$412
This Copa Airlines deal was found by Cheapflights users on 8/17. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:59 pmCUN - SJU
1 stop7h 26mCopa Airlines
Sun 1/45:37 amSJU - CUN
1 stop8h 22mCopa Airlines
Deal found 8/17$421
This Copa Airlines deal was found by Cheapflights users on 8/16. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:19 amCUN - SJU
1 stop10h 06mCopa Airlines
Wed 1/75:37 amSJU - CUN
1 stop17h 24mCopa Airlines
Deal found 8/16$425
This Delta deal was found by Cheapflights users on 8/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:54 amCUN - SJU
1 stop10h 01mDelta
Wed 1/77:00 amSJU - CUN
2 stops15h 10mDelta
Deal found 8/17$438
This Copa Airlines deal was found by Cheapflights users on 8/16. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2711:32 amCUN - SJU
1 stop9h 53mCopa Airlines
Sat 1/36:14 pmSJU - CUN
1 stop17h 17mCopa Airlines
Deal found 8/16$440
This Copa Airlines deal was found by Cheapflights users on 8/16. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2011:42 amCUN - SJU
1 stop9h 37mCopa Airlines
Tue 8/265:32 amSJU - CUN
1 stop8h 27mCopa Airlines
Deal found 8/16$456

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cancún 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 August 17, 2025.
Use the filters below to find and compare flights from Cancún to Puerto Rico that are best for you.

Fly from

Cancún

Fly to

Puerto Rico

Route

Depart

Return

Price

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Wed 1/21

8:59 am-6:55 pm

1 stop8h 56m

San Juan Luis Munoz Marin Intl

Wed 1/28

7:00 am-9:10 pm

2 stops15h 10m

$297

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sun 10/19

9:45 am-8:19 pm

1 stop9h 34m

San Juan Luis Munoz Marin Intl

Sat 11/1

7:48 pm-9:08 am

1 stop14h 20m

$341

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Thu 1/29

7:59 am-6:55 pm

1 stop9h 56m

San Juan Luis Munoz Marin Intl

Fri 2/6

1:02 pm-10:29 pm

1 stop10h 27m

$343

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Fri 11/21

6:59 am-10:29 pm

1 stop14h 30m

San Juan Luis Munoz Marin Intl

Mon 11/24

6:12 pm-10:06 am

1 stop16h 54m

$353

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sat 12/27

11:19 am-10:25 pm

1 stop10h 06m

San Juan Luis Munoz Marin Intl

Sat 1/10

6:14 pm-10:31 am

1 stop17h 17m

$353

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Wed 10/1

7:51 am-8:38 pm

1 stop11h 47m

San Juan Luis Munoz Marin Intl

Wed 10/8

3:56 pm-7:20 pm

2 stops28h 24m

$356

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Thu 11/20

6:59 am-4:11 pm

1 stop8h 12m

San Juan Luis Munoz Marin Intl

Fri 11/21

6:12 pm-10:50 am

1 stop17h 38m

$373

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Thu 1/29

12:28 pm-1:17 pm

2 stops23h 49m

San Juan Luis Munoz Marin Intl

Fri 2/6

7:45 am-3:59 pm

1 stop9h 14m

$408

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Fri 10/31

6:00 am-9:59 pm

2 stops14h 59m

San Juan Luis Munoz Marin Intl

Sun 11/9

1:02 pm-12:23 am

1 stop12h 21m

$412

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Wed 9/17

9:16 am-8:56 pm

1 stop10h 40m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 17 results
1
2

Best time to book a flight from Cancún to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Cancún 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 Cancún to Puerto Rico

What is the cheapest month to book a flight from Cancún to Puerto Rico?

Currently, September is the cheapest month in which you can book a flight from Cancún to Puerto Rico (average of $254). Flying from Cancún 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 CUN to PR?

Find hourly flight availability from Cancún 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 August 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cancún to Puerto Rico as you normally would.

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 August 17, 2025.
Peruse reviews from past customers who have flown with Copa Airlines and JetBlue from Cancún to Puerto Rico to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.5
Good
1,510 reviews

Overall

7.5

Entertainment

6.8

Boarding

7.8

Crew

8.1

Comfort

7.4

Food

6.8

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.
Copa Airlines
7.5
Good
1,510 reviews
Copa Airlines
7.5
Good
1,510 reviews

Overall

7.5

Entertainment

6.8

Boarding

7.8

Crew

8.1

Comfort

7.4

Food

6.8

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.
JetBlue
7.2
Good
2,916 reviews
Copa Airlines
7.5
Good
1,510 reviews

Overall

7.5

Entertainment

6.8

Boarding

7.8

Crew

8.1

Comfort

7.4

Food

6.8

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.

Related info for your journey

Find useful and relevant information for your journey from Cancún 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 Cancún to Puerto Rico?

    Cancun (CUN), located 8.9 mi from the city center, is the airport you fly out of when you book flights from Cancún to Puerto Rico.

  • Can I find deals for flights from Cancún to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Cancún to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cancún to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cancún to Puerto Rico.

  • Can I find deals for business class flights from Cancún to Puerto Rico?

    Yes. Cheapflights offers flight deals from Cancún 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 Cancún to Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from Cancún to Puerto Rico (average of $254). Flying from Cancún 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Cancún to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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Cancún to Luis Munoz Marin Intl flights
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Cancún to Varadero flights

Top 2 airlines flying from Cancún to Puerto Rico

Discover the top 2 airlines that operate flights from Cancún 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 August 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$164Average$351FlexibilityNo cancel feeOn-time62%
Copa AirlinesCheapest$224Average$302FlexibilityNo cancel feeOn-time70%

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