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$123+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SJU
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
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 January 8, 2026.

Round-trip from

$252
(Frontier)

One-way from

$123
(Booking.com)

Popular in

November

Cheapest in

May

Average price

$298
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. 10% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 8, 2026.

This Frontier deal was found by Cheapflights users on 1/7. 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.
Sat 2/219:00 amCUN - SJU
1 stop8h 59mFrontier
Sat 2/287:05 amSJU - CUN
1 stop9h 17mFrontier
Deal found 1/7$252
This Priceline deal was found by Cheapflights users on 1/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/3010:13 amCUN - SJU
1 stop12h 20mSpirit Airlines
Tue 2/38:05 pmSJU - CUN
1 stop14h 08mSpirit Airlines
Deal found 1/6$281
This Delta deal was found by Cheapflights users on 1/7. 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.
Wed 9/166:03 amCUN - SJU
2 stops14h 57mDelta
Sat 9/267:30 amSJU - CUN
1 stop13h 45mDelta
Deal found 1/7$304
This Delta deal was found by Cheapflights users on 1/5. 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 3/58:00 amCUN - SJU
1 stop14h 58mDelta
Thu 3/126:15 amSJU - CUN
1 stop15h 05mDelta
Deal found 1/5$305
This Priceline deal was found by Cheapflights users on 1/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/304:30 pmCUN - SJU
1 stop17h 09mFrontier
Sun 2/18:45 pmSJU - CUN
1 stop14h 47mFrontier
Deal found 1/7$317
This FlightHub deal was found by Cheapflights users on 1/8. 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 1/1710:13 amCUN - SJU
1 stop12h 20mSpirit Airlines
Sun 1/258:05 pmSJU - CUN
1 stop14h 08mSpirit Airlines
Deal found 1/8$324
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
Tue 4/282:03 pmCUN - SJU
1 stop7h 21mCopa Airlines
Sat 5/25:27 amSJU - CUN
1 stop8h 34mCopa Airlines
Deal found 1/6$337
This Kiwi.com deal was found by Cheapflights users on 1/8. 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 1/91:21 pmCUN - SJU
1 stop9h 23mMultiple Airlines
Fri 1/168:05 pmSJU - CUN
1 stop14h 08mMultiple Airlines
Deal found 1/8$346
This Priceline deal was found by Cheapflights users on 1/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:13 amCUN - SJU
1 stop11h 56mSpirit Airlines
Sun 5/36:49 pmSJU - CUN
1 stop19h 57mSpirit Airlines
Deal found 1/6$348
This Copa Airlines deal was found by Cheapflights users on 1/7. 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 4/167:04 amCUN - SJU
1 stop14h 20mCopa Airlines
Tue 4/216:12 pmSJU - CUN
1 stop16h 48mCopa Airlines
Deal found 1/7$355

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 January 8, 2026.
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 2/21

10:01 am-2:25 am

2 stops15h 24m

San Juan Luis Munoz Marin Intl

Fri 2/27

2:54 am-1:08 pm

1 stop11h 14m

$280

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Thu 2/19

8:38 am-11:58 pm

2 stops14h 20m

San Juan Luis Munoz Marin Intl

Wed 2/25

7:30 am-4:45 pm

1 stop10h 15m

$304

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Thu 3/5

8:00 am-11:58 pm

1 stop14h 58m

San Juan Luis Munoz Marin Intl

Thu 3/12

6:15 am-8:20 pm

1 stop15h 05m

$305

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Thu 4/30

9:13 am-10:09 pm

1 stop11h 56m

San Juan Luis Munoz Marin Intl

Sun 5/3

6:49 pm-1:46 pm

1 stop19h 57m

$348

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Mon 4/27

7:51 am-8:38 pm

1 stop11h 47m

San Juan Luis Munoz Marin Intl

Fri 5/1

7:40 am-12:02 pm

2 stops29h 22m

$355

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Thu 4/16

7:04 am-10:24 pm

1 stop14h 20m

San Juan Luis Munoz Marin Intl

Mon 4/20

6:12 pm-10:00 am

1 stop16h 48m

$355

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Tue 4/28

7:51 am-12:34 pm

2 stops27h 43m

San Juan Luis Munoz Marin Intl

Sat 5/2

7:20 am-12:33 pm

2 stops30h 13m

$355

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Thu 4/16

7:04 am-10:24 pm

1 stop14h 20m

San Juan Luis Munoz Marin Intl

Tue 4/21

6:12 pm-10:00 am

1 stop16h 48m

$355

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Fri 1/30

2:44 pm-6:11 am

1 stop14h 27m

San Juan Luis Munoz Marin Intl

Tue 2/3

8:10 am-3:59 pm

2 stops32h 49m

$355

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Mon 3/16

7:01 am-4:09 pm

1 stop8h 08m

San Juan Luis Munoz Marin Intl

Mon 3/16

6:14 pm-9:58 am

1 stop16h 44m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 21 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, May is the cheapest month in which you can book a flight from Cancún to Puerto Rico (average of $142). 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.

How often are flights from Cancún to Puerto Rico delayed?

About 27% of weekly flights between Cancún and Puerto Rico have experienced delays in the past year, with the average delay time being 152 minutes.

What is the most punctual flight time for Cancún to Puerto Rico flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Cancún to Puerto Rico flights?

Over the last year, JetBlue have had the lowest number of delays on this route, with just 27% of flights being delayed.

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 January 8, 2026.
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
1,562 reviews

Crew

8.1

Comfort

7.4

Boarding

7.8

Food

6.8

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.
Copa Airlines
7.6
Good
1,562 reviews
Copa Airlines
7.6
Good
1,562 reviews

Crew

8.1

Comfort

7.4

Boarding

7.8

Food

6.8

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.
JetBlue
7.2
Good
2,891 reviews
Copa Airlines
7.6
Good
1,562 reviews

Crew

8.1

Comfort

7.4

Boarding

7.8

Food

6.8

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.

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, Delta, and Spirit Airlines can get you from Cancún to Puerto Rico in just under 11h 56m. Your travel time can differ by up to 3h 28m. 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 JetBlue ($132), Spirit Airlines ($145), and Arajet ($146).

  • 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 $142). 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

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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 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$163Average$354FlexibilityNo cancel feeOn-time62%
Copa AirlinesCheapest$243Average$302FlexibilityNo cancel feeOn-time70%

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