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$154+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SJU
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
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 March 11, 2026.

This Expedia deal was found by Cheapflights users on 3/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1112:35 pm
CUN
-
SJU
1 stop6h 10m
Multiple Airlines
Mon 4/137:54 pm
SJU
-
CUN
1 stop16h 36m
Multiple Airlines
Deal found 3/10$289
This Expedia deal was found by Cheapflights users on 3/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:35 pm
CUN
-
SJU
1 stop6h 10m
Multiple Airlines
Sat 5/25:45 am
SJU
-
CUN
1 stop10h 05m
Multiple Airlines
Deal found 3/10$321
This Spirit deal was found by Cheapflights users on 3/10. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/19:12 am
CUN
-
SJU
1 stop11h 47m
Spirit Airlines
Mon 4/67:54 pm
SJU
-
CUN
1 stop16h 36m
Spirit Airlines
Deal found 3/10$334
This Priceline deal was found by Cheapflights users on 3/10. 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.
Tue 3/2411:06 am
CUN
-
SJU
1 stop14h 23m
Spirit Airlines
Thu 3/261:45 am
SJU
-
CUN
1 stop7h 27m
Spirit Airlines
Deal found 3/10$349
This CheapOair deal was found by Cheapflights users on 3/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:55 am
CUN
-
SJU
1 stop12h 54m
Multiple Airlines
Tue 6/22:00 pm
SJU
-
CUN
1 stop19h 37m
Multiple Airlines
Deal found 3/7$355
This CheapOair deal was found by Cheapflights users on 3/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2010:34 am
CUN
-
SJU
1 stop12h 55m
Multiple Airlines
Mon 4/275:45 am
SJU
-
CUN
1 stop10h 05m
Multiple Airlines
Deal found 3/10$365
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:43 pm
CUN
-
SJU
2 stops29h 51m
United Airlines
Wed 5/64:55 pm
SJU
-
CUN
2 stops27h 24m
United Airlines
Deal found 3/8$382
This Expedia deal was found by Cheapflights users on 3/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/39:12 am
CUN
-
SJU
1 stop15h 49m
Multiple Airlines
Tue 4/77:54 pm
SJU
-
CUN
1 stop16h 36m
Multiple Airlines
Deal found 3/10$385
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 3/245:27 pm
CUN
-
SJU
2 stops29h 31m
Multiple Airlines
Thu 3/261:45 am
SJU
-
CUN
1 stop7h 27m
Multiple Airlines
Deal found 3/10$389

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 March 11, 2026.

Round-trip from

$289
(Expedia)

One-way from

$154
(FlightHub)

Popular in

November

Cheapest in

January

Average price

$280
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 ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 11, 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

Wed 4/1

9:12 am-9:59 pm

1 stop11h 47m

San Juan Luis Munoz Marin Intl

Mon 4/6

7:54 pm-11:30 am

1 stop16h 36m

$334

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Fri 5/1

1:43 pm-8:34 pm

2 stops29h 51m

San Juan Luis Munoz Marin Intl

Wed 5/6

4:55 pm-7:19 pm

2 stops27h 24m

$382

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Mon 4/20

9:32 am-11:10 pm

1 stop12h 38m

San Juan Luis Munoz Marin Intl

Mon 4/27

5:45 am-2:50 pm

1 stop10h 05m

$394

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Fri 4/17

9:32 am-11:10 pm

1 stop12h 38m

San Juan Luis Munoz Marin Intl

Sun 4/26

5:45 am-2:50 pm

1 stop10h 05m

$394

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sat 5/9

3:24 pm-12:34 pm

2 stops20h 10m

San Juan Luis Munoz Marin Intl

Tue 5/19

7:20 am-10:06 am

2 stops27h 46m

$404

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Thu 5/14

12:11 pm-8:34 pm

1 stop31h 23m

San Juan Luis Munoz Marin Intl

Wed 5/20

7:20 am-3:51 pm

1 stop9h 31m

$404

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sat 4/25

12:35 pm-7:45 pm

1 stop6h 10m

San Juan Luis Munoz Marin Intl

Sat 5/2

12:57 pm-9:03 pm

3 stops33h 06m

$409

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Mon 4/20

7:04 am-4:09 pm

1 stop8h 05m

San Juan Luis Munoz Marin Intl

Mon 4/27

6:12 pm-10:46 am

1 stop17h 34m

$417
Quickest round-trip

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sat 4/25

11:55 am-8:49 pm

1 stop7h 54m

San Juan Luis Munoz Marin Intl

Sat 5/2

7:40 am-12:52 pm

1 stop6h 12m

$420

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sat 5/30

2:49 pm-12:34 pm

2 stops20h 45m

San Juan Luis Munoz Marin Intl

Tue 6/2

4:55 pm-2:18 pm

2 stops22h 23m

$426

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Showing 1-10 of 22 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, 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 February is currently the most expensive (average of $302). 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 180 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?

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.

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?

    Spirit Airlines and United Airlines can get you from Cancún to Puerto Rico in just under 11h 47m. Your travel time can differ by up to 18h 04m. 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 Spirit Airlines ($145), Arajet ($146), and Copa Airlines ($149).

  • 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 February is currently the most expensive (average of $302). 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.
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