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$175+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SJU
Aug 4 — Aug 111
Tue 8/4
Tue 8/11
1 adult, Economy
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Cheap 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 July 5, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/30. 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 8/67:01 am
CUN
-
SJU
1 stop8h 13m
Copa Airlines
Mon 8/106:17 pm
SJU
-
CUN
1 stop28h 41m
Copa Airlines
Deal found 6/30$396
This Arajet deal was found by Cheapflights users on 7/5. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/115:49 pm
CUN
-
SJU
1 stop24h 31m
Arajet
Sun 12/134:00 pm
SJU
-
CUN
1 stop25h 57m
Arajet
Deal found 7/5$416
This JetBlue deal was found by Cheapflights users on 6/30. 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 8/2112:45 pm
CUN
-
SJU
1 stop10h 13m
JetBlue
Mon 8/246:00 am
SJU
-
CUN
1 stop6h 45m
JetBlue
Deal found 6/30$418
This Arajet deal was found by Cheapflights users on 7/3. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:35 pm
CUN
-
SJU
1 stop5h 55m
Arajet
Tue 9/14:30 pm
SJU
-
CUN
1 stop24h 04m
Arajet
Deal found 7/3$425
This Copa Airlines deal was found by Cheapflights users on 7/3. 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.
Fri 10/211:41 am
CUN
-
SJU
1 stop9h 48m
Copa Airlines
Tue 10/66:16 pm
SJU
-
CUN
1 stop22h 19m
Copa Airlines
Deal found 7/3$427
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 7/177:01 am
CUN
-
SJU
1 stop8h 13m
Copa Airlines
Sat 8/225:34 am
SJU
-
CUN
1 stop8h 21m
Copa Airlines
Deal found 7/2$429
This United Airlines deal was found by Cheapflights users on 7/3. 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 10/307:39 am
CUN
-
SJU
1 stop11h 45m
United Airlines
Tue 11/37:40 am
SJU
-
CUN
1 stop8h 57m
United Airlines
Deal found 7/3$439
This Arajet deal was found by Cheapflights users on 7/1. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:35 pm
CUN
-
SJU
1 stop5h 55m
Arajet
Sat 8/229:00 pm
SJU
-
CUN
1 stop17h 32m
Arajet
Deal found 7/1$440
This United Airlines deal was found by Cheapflights users on 6/30. 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 8/67:51 am
CUN
-
SJU
1 stop20h 38m
United Airlines
Mon 8/107:20 am
SJU
-
CUN
2 stops27h 46m
United Airlines
Deal found 6/30$467

Find 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 July 5, 2026.

Round-trip from

$396
(Kiwi.com)

One-way from

$175
(Booking.com)

Popular in

May

Cheapest in

April

Average price

$395
From Cancun to Puerto Rico
Search Deals
One-way flight from Cancun to Puerto Rico
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in July 2026
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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 July 5, 2026.
Use the filters below to find and compare flights from Cancún to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Fri 8/21

12:45 pm-11:58 pm

1 stop10h 13m

San Juan Luis Munoz Marin Intl

Mon 8/24

6:00 am-11:45 am

1 stop6h 45m

$419

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sat 8/29

12:35 pm-7:30 pm

1 stop5h 55m

San Juan Luis Munoz Marin Intl

Tue 9/1

4:30 pm-3:34 pm

1 stop24h 04m

$425

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sat 8/15

12:35 pm-7:30 pm

1 stop5h 55m

San Juan Luis Munoz Marin Intl

Sat 8/22

9:00 pm-1:32 pm

1 stop17h 32m

$440

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Thu 8/6

7:51 am-5:29 am

1 stop20h 38m

San Juan Luis Munoz Marin Intl

Mon 8/10

7:20 am-10:06 am

2 stops27h 46m

$467

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sat 8/29

8:05 am-11:52 pm

2 stops14h 47m

San Juan Luis Munoz Marin Intl

Tue 9/1

12:56 pm-8:05 pm

1 stop8h 09m

$511
Cheapest one-way
Quickest one-way

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sat 9/5

12:35 pm-7:30 pm

1 stop5h 55m

$185

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Thu 10/15

12:35 pm-4:20 pm

1 stop26h 45m

$230

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Fri 10/16

4:54 pm-7:30 pm

1 stop25h 36m

$230

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Thu 7/16

11:15 am-12:47 pm

1 stop24h 32m

$231

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Mon 9/7

1:54 pm-4:14 pm

1 stop25h 20m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/4

Showing 1-10 of 16 resultsSorted by cheapest first
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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, April is the cheapest month in which you can book a flight from Cancún to Puerto Rico (average of $113). Flying from Cancún to Puerto Rico in June is currently the most expensive (average of $399). 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 33% of weekly flights between Cancún and Puerto Rico have experienced delays in the past year, with the average delay time being 153 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 early afternoon tend to experience delays more often.

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

Saturday 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 33% of flights being delayed.

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?

    JetBlue and Arajet can get you from Cancún to Puerto Rico in just under 5h 55m. Your travel time can differ by up to 4h 18m. 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 ($146), Frontier ($157), and JetBlue ($185).

  • 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, April is the cheapest month in which you can book a flight from Cancún to Puerto Rico (average of $113). Flying from Cancún to Puerto Rico in June is currently the most expensive (average of $399). 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 Cancún to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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