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$171+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SJU
Jul 6 — Jul 131
Mon 7/6
Mon 7/13
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 June 6, 2026.

This Arajet deal was found by Cheapflights users on 6/4. 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 9/512:35 pm
CUN
-
SJU
1 stop5h 55m
Arajet
Sun 9/64:00 pm
SJU
-
CUN
1 stop26h 12m
Arajet
Deal found 6/4$363
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/197:01 am
CUN
-
SJU
1 stop28h 46m
Copa Airlines
Tue 6/236:17 pm
SJU
-
CUN
1 stop16h 29m
Copa Airlines
Deal found 6/3$392
This Booking.com deal was found by Cheapflights users on 6/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:54 pm
CUN
-
SJU
1 stop25h 36m
Arajet
Tue 7/74:30 pm
SJU
-
CUN
1 stop24h 04m
Arajet
Deal found 6/4$407
This Copa Airlines deal was found by Cheapflights users on 6/2. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:46 am
CUN
-
SJU
1 stop9h 43m
Copa Airlines
Tue 10/66:16 pm
SJU
-
CUN
1 stop17h 30m
Copa Airlines
Deal found 6/2$416
This Arajet deal was found by Cheapflights users on 6/5. 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.
Sat 8/2912:35 pm
CUN
-
SJU
1 stop5h 55m
Arajet
Tue 9/14:30 pm
SJU
-
CUN
1 stop24h 04m
Arajet
Deal found 6/5$424
This Copa Airlines deal was found by Cheapflights users on 6/2. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:01 am
CUN
-
SJU
1 stop8h 13m
Copa Airlines
Sun 8/95:34 am
SJU
-
CUN
1 stop17h 24m
Copa Airlines
Deal found 6/2$427
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Thu 7/212:35 pm
CUN
-
SJU
1 stop22h 30m
Multiple Airlines
Thu 7/97:30 am
SJU
-
CUN
2 stops17h 28m
Multiple Airlines
Deal found 6/2$485
This Copa Airlines deal was found by Cheapflights users on 6/2. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:50 am
CUN
-
SJU
1 stop24h 57m
Copa Airlines
Tue 8/46:17 pm
SJU
-
CUN
1 stop22h 20m
Copa Airlines
Deal found 6/2$489
This JetBlue deal was found by Cheapflights users on 6/1. 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.
Fri 8/281:05 pm
CUN
-
SJU
1 stop6h 43m
JetBlue
Mon 8/316:50 am
SJU
-
CUN
1 stop7h 07m
JetBlue
Deal found 6/1$506
This Delta deal was found by Cheapflights users on 6/4. 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 10/308:00 am
CUN
-
SJU
2 stops14h 56m
Delta
Tue 11/37:00 am
SJU
-
CUN
2 stops15h 15m
Delta
Deal found 6/4$512
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 7/37:01 am
CUN
-
SJU
1 stop8h 13m
Multiple Airlines
Tue 7/77:30 am
SJU
-
CUN
2 stops17h 28m
Multiple Airlines
Deal found 6/4$514

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 June 6, 2026.

Round-trip from

$392
(Kiwi.com)

One-way from

$171
(Kiwi.com)

Popular in

November

Cheapest in

April

Average price

$316
From Cancun to Puerto Rico
Search Deals
One-way flight from Cancun to Puerto Rico
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 6, 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

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sat 8/29

7:01 am-4:14 pm

1 stop8h 13m

San Juan Luis Munoz Marin Intl

Tue 9/1

5:33 am-10:01 pm

1 stop17h 28m

$416

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

$424

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Wed 8/5

7:01 am-4:14 pm

1 stop8h 13m

San Juan Luis Munoz Marin Intl

Sun 8/9

5:34 am-9:58 pm

1 stop17h 24m

$427
Quickest round-trip

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sat 8/29

12:30 pm-10:29 pm

1 stop8h 59m

San Juan Luis Munoz Marin Intl

Tue 9/1

7:30 am-8:05 pm

2 stops13h 35m

$512

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Fri 10/2

8:00 am-10:00 pm

1 stop13h 00m

San Juan Luis Munoz Marin Intl

Tue 10/6

7:00 am-8:15 pm

2 stops14h 15m

$522

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sat 7/4

7:51 am-5:29 am

1 stop20h 38m

San Juan Luis Munoz Marin Intl

Sat 7/11

3:56 pm-2:18 pm

2 stops23h 22m

$523

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Tue 7/7

2:49 pm-12:34 pm

2 stops20h 45m

San Juan Luis Munoz Marin Intl

Tue 7/14

7:00 am-2:18 pm

1 stop8h 18m

$523
Cheapest one-way
Quickest one-way

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sun 8/23

7:01 am-4:14 pm

1 stop8h 13m

$262

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Fri 6/12

4:54 pm-7:30 pm

1 stop25h 36m

$278

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sun 8/23

3:10 pm-9:10 am

2 stops17h 00m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/4

Showing 1-10 of 19 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 May is currently the most expensive (average of $362). 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 160 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?

Wednesday 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.

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?

    Copa Airlines and Arajet can get you from Cancún to Puerto Rico in just under 5h 55m. Your travel time can differ by up to 2h 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 Copa Airlines ($177).

  • 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 May is currently the most expensive (average of $362). 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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