HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Puerto Rico

$145+ 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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SJU
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Cancún to Puerto Rico with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 3, 2025.

This United Airlines deal was found by Cheapflights users on 10/31. 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 11/244:51 pmCUN - SJU
2 stops27h 09mUnited Airlines
Thu 11/274:52 pmSJU - CUN
1 stop20h 38mUnited Airlines
Deal found 10/31$354
This United Airlines deal was found by Cheapflights users on 11/1. 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 11/148:39 amCUN - SJU
1 stop11h 47mUnited Airlines
Mon 11/174:52 pmSJU - CUN
1 stop21h 41mUnited Airlines
Deal found 11/1$358
This Copa Airlines deal was found by Cheapflights users on 10/31. 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 12/157:00 amCUN - SJU
1 stop8h 11mCopa Airlines
Mon 12/226:11 pmSJU - CUN
1 stop16h 54mCopa Airlines
Deal found 10/31$365
This Copa Airlines deal was found by Cheapflights users on 11/1. 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 12/297:00 amCUN - SJU
1 stop8h 11mCopa Airlines
Wed 1/76:14 pmSJU - CUN
1 stop17h 17mCopa Airlines
Deal found 11/1$366
This United Airlines deal was found by Cheapflights users on 11/1. 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 11/75:55 pmCUN - SJU
2 stops26h 05mUnited Airlines
Thu 12/118:30 amSJU - CUN
1 stop9h 10mUnited Airlines
Deal found 11/1$384
This Copa Airlines deal was found by Cheapflights users on 11/1. 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 12/177:00 amCUN - SJU
1 stop8h 11mCopa Airlines
Tue 12/236:11 pmSJU - CUN
1 stop16h 58mCopa Airlines
Deal found 11/1$385
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/66:30 amCUN - SJU
1 stop13h 56mUnited Airlines
Sat 11/88:10 amSJU - CUN
2 stops13h 08mUnited Airlines
Deal found 10/31$386
This United Airlines deal was found by Cheapflights users on 11/1. 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 11/52:44 pmCUN - SJU
2 stops29h 16mUnited Airlines
Tue 11/117:45 amSJU - CUN
1 stop11h 05mUnited Airlines
Deal found 11/1$387
This JetBlue deal was found by Cheapflights users on 11/1. 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 12/711:30 amCUN - SJU
1 stop7h 33mJetBlue
Sun 12/710:30 pmSJU - CUN
1 stop11h 38mJetBlue
Deal found 11/1$390
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Tue 11/254:51 pmCUN - SJU
2 stops19h 26mUnited Airlines
Thu 11/274:52 pmSJU - CUN
2 stops24h 07mUnited Airlines
Deal found 10/31$405
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Sun 11/232:44 pmCUN - SJU
2 stops21h 33mUnited Airlines
Wed 11/265:50 pmSJU - CUN
2 stops27h 28mUnited Airlines
Deal found 11/1$413

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 November 3, 2025.

Round-trip from

$303
(Delta)

One-way from

$145
(Kiwi.com)

Popular in

July

Cheapest in

May

Average price

$336
From Cancun to Puerto Rico
Search Deals
One-way flight from Cancun to Puerto Rico
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 3, 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

Sat 1/24

2:51 pm-3:06 pm

1 stop23h 15m

San Juan Luis Munoz Marin Intl

Sat 1/31

11:52 am-10:28 am

1 stop23h 36m

$316

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Tue 3/10

3:25 pm-10:59 pm

1 stop6h 34m

San Juan Luis Munoz Marin Intl

Wed 3/11

5:01 am-11:46 am

1 stop7h 45m

$322

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Mon 11/24

4:51 pm-9:00 pm

2 stops27h 09m

San Juan Luis Munoz Marin Intl

Thu 11/27

4:52 pm-12:30 pm

1 stop20h 38m

$354

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Tue 4/21

8:15 am-8:06 pm

1 stop10h 51m

San Juan Luis Munoz Marin Intl

Wed 4/29

6:15 am-8:30 pm

2 stops15h 15m

$358

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Fri 11/14

8:39 am-9:26 pm

1 stop11h 47m

San Juan Luis Munoz Marin Intl

Mon 11/17

4:52 pm-1:33 pm

1 stop21h 41m

$358

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sat 4/25

3:25 pm-10:59 pm

1 stop6h 34m

San Juan Luis Munoz Marin Intl

Fri 5/1

3:30 am-2:45 pm

1 stop12h 15m

$363

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sat 4/25

3:25 pm-10:59 pm

1 stop6h 34m

San Juan Luis Munoz Marin Intl

Mon 5/4

3:30 am-1:05 pm

1 stop10h 35m

$363

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Wed 12/17

7:00 am-4:11 pm

1 stop8h 11m

San Juan Luis Munoz Marin Intl

Tue 12/23

6:11 pm-10:49 am

1 stop17h 38m

$365

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Mon 12/29

7:00 am-4:11 pm

1 stop8h 11m

San Juan Luis Munoz Marin Intl

Wed 1/7

6:14 pm-10:31 am

1 stop17h 17m

$366

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sat 4/25

7:51 am-8:38 pm

1 stop11h 47m

San Juan Luis Munoz Marin Intl

Sat 5/2

7:25 am-12:02 pm

2 stops29h 37m

$383

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 20 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, May is the cheapest month in which you can book a flight from Cancún to Puerto Rico (average of $143). Flying from Cancún to Puerto Rico in July is currently the most expensive (average of $265). 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 November 3, 2025.

One of the essential ways to save on airfare from Cancún to Puerto Rico is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 55% on airfare.

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 November 3, 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
1,561 reviews

Comfort

7.4

Overall

7.6

Entertainment

6.8

Crew

8.1

Food

6.9

Boarding

7.8

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
1,561 reviews
Copa Airlines
7.6
Good
1,561 reviews

Comfort

7.4

Overall

7.6

Entertainment

6.8

Crew

8.1

Food

6.9

Boarding

7.8

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
2,906 reviews
Copa Airlines
7.6
Good
1,561 reviews

Comfort

7.4

Overall

7.6

Entertainment

6.8

Crew

8.1

Food

6.9

Boarding

7.8

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?

    Frontier, JetBlue, and United Airlines can get you from Cancún to Puerto Rico in just under 6h 34m. Your travel time can differ by up to 20h 35m. 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 ($145), Spirit Airlines ($176), and JetBlue ($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, May is the cheapest month in which you can book a flight from Cancún to Puerto Rico (average of $143). Flying from Cancún to Puerto Rico in July is currently the most expensive (average of $265). 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.
Cancún to Punta Cana flights
Cancún to Havana flights
Cancún to Luis Munoz Marin Intl flights
Cancún to Montego Bay flights
Cancún to Holguín 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$164Average$366FlexibilityNo cancel feeOn-time62%
Copa AirlinesCheapest$224Average$302FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.