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$126+ 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SJU
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$303
(Delta)

One-way from

$126
(FlightHub)

Popular in

December

Cheapest in

March

Average price

$321
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 ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 17, 2025.

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:00 amCUN - SJU
1 stop7h 33mDelta
Sat 11/81:02 pmSJU - CUN
1 stop12h 21mDelta
Deal found 9/16$303
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.
Fri 10/3111:34 amCUN - SJU
1 stop9h 54mCopa Airlines
Sat 11/86:12 pmSJU - CUN
1 stop28h 53mCopa Airlines
Deal found 9/15$310
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.
Fri 11/148:11 amCUN - SJU
1 stop13h 18mCopa Airlines
Thu 11/206:12 pmSJU - CUN
1 stop16h 54mCopa Airlines
Deal found 9/16$322
This Copa Airlines 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2311:20 amCUN - SJU
1 stop10h 01mCopa Airlines
Mon 10/276:16 pmSJU - CUN
1 stop17h 13mCopa Airlines
Deal found 9/16$333
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.
Mon 10/62:01 pmCUN - SJU
1 stop24h 57mCopa Airlines
Mon 10/205:48 pmSJU - CUN
1 stop17h 11mCopa Airlines
Deal found 9/17$344
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:44 pmCUN - SJU
2 stops29h 16mUnited Airlines
Sat 11/88:30 amSJU - CUN
2 stops27h 55mUnited Airlines
Deal found 9/16$357
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/255:22 pmCUN - SJU
2 stops27h 00mUnited Airlines
Sun 11/25:50 pmSJU - CUN
2 stops20h 44mUnited Airlines
Deal found 9/17$365
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/297:51 amCUN - SJU
2 stops29h 53mUnited Airlines
Mon 10/64:55 pmSJU - CUN
2 stops20h 07mUnited Airlines
Deal found 9/16$374
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.
Fri 10/319:09 amCUN - SJU
1 stop15h 35mMultiple Airlines
Fri 11/72:11 amSJU - CUN
1 stop12h 38mMultiple Airlines
Deal found 9/15$381
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.
Mon 10/61:49 pmCUN - SJU
2 stops19h 05mMultiple Airlines
Mon 10/205:48 pmSJU - CUN
1 stop17h 11mMultiple Airlines
Deal found 9/17$382

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 September 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

Fri 10/31

8:00 am-4:33 pm

1 stop7h 33m

San Juan Luis Munoz Marin Intl

Sat 11/8

1:02 pm-12:23 am

1 stop12h 21m

$303

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Fri 10/31

11:34 am-10:28 pm

1 stop9h 54m

San Juan Luis Munoz Marin Intl

Sat 11/8

6:12 pm-10:05 pm

1 stop28h 53m

$310

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Tue 3/10

10:40 am-12:12 am

1 stop12h 32m

San Juan Luis Munoz Marin Intl

Wed 3/11

7:40 am-4:38 pm

1 stop9h 58m

$315

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Fri 11/14

8:11 am-10:29 pm

1 stop13h 18m

San Juan Luis Munoz Marin Intl

Thu 11/20

6:12 pm-10:06 am

1 stop16h 54m

$322

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Thu 10/23

7:00 am-10:21 pm

1 stop14h 21m

San Juan Luis Munoz Marin Intl

Mon 10/27

6:16 pm-10:42 am

1 stop17h 26m

$333

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Mon 10/6

7:51 am-12:34 pm

2 stops27h 43m

San Juan Luis Munoz Marin Intl

Fri 10/24

4:55 pm-12:33 pm

2 stops20h 38m

$357

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Fri 11/14

2:44 pm-9:00 pm

2 stops29h 16m

San Juan Luis Munoz Marin Intl

Tue 11/18

4:52 pm-3:59 pm

2 stops24h 07m

$357

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Fri 10/31

1:44 pm-8:00 pm

2 stops29h 16m

San Juan Luis Munoz Marin Intl

Sat 11/8

8:30 am-11:25 am

2 stops27h 55m

$357

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sat 11/8

9:45 am-7:08 pm

1 stop8h 23m

$126

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Mon 9/22

5:45 pm-8:25 am

1 stop13h 40m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 16 results
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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 September 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 September 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
7.6
Good
1,533 reviews

Entertainment

6.8

Overall

7.6

Boarding

7.8

Comfort

7.4

Crew

8.1

Food

6.8

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Copa Airlines
7.6
Good
1,533 reviews
Copa Airlines
7.6
Good
1,533 reviews

Entertainment

6.8

Overall

7.6

Boarding

7.8

Comfort

7.4

Crew

8.1

Food

6.8

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
JetBlue
7.2
Good
2,914 reviews
Copa Airlines
7.6
Good
1,533 reviews

Entertainment

6.8

Overall

7.6

Boarding

7.8

Comfort

7.4

Crew

8.1

Food

6.8

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip

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.

  • How long is the flight from Cancún to Puerto Rico?

    Delta, Copa Airlines, and JetBlue can get you from Cancún to Puerto Rico in just under 7h 33m. Your travel time can differ by up to 4h 59m. The distance from Cancún to Puerto Rico is about 1367 mi. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from Cancún to Puerto Rico are Arajet ($126), Spirit Airlines ($174), and Copa Airlines ($178).

  • 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

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Alternative routes for Cancún to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
Cancún to Havana flights
Cancún to Holguín flights
Cancún to Punta Cana flights
Cancún to Montego Bay flights
Cancún to Luis Munoz Marin Intl flights
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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$164Average$353FlexibilityNo cancel feeOn-time62%
Copa AirlinesCheapest$224Average$302FlexibilityNo cancel feeOn-time70%

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