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$118+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SJU
May 10 — May 171
Sun 5/10
Sun 5/17
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 April 10, 2026.

This Expedia deal was found by Cheapflights users on 4/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2410:34 am
CUN
-
SJU
1 stop12h 55m
Frontier
Mon 4/271:59 am
SJU
-
CUN
1 stop11h 43m
Frontier
Deal found 4/6$243
This CheapOair deal was found by Cheapflights users on 4/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2110:30 am
CUN
-
SJU
1 stop16h 31m
Multiple Airlines
Thu 5/288:04 pm
SJU
-
CUN
1 stop16h 13m
Multiple Airlines
Deal found 4/6$260
This Priceline deal was found by Cheapflights users on 4/9. 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.
Mon 5/2510:30 am
CUN
-
SJU
1 stop16h 31m
Frontier
Mon 6/17:04 pm
SJU
-
CUN
1 stop15h 59m
Frontier
Deal found 4/9$369
This FlightHub deal was found by Cheapflights users on 4/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:32 am
CUN
-
SJU
1 stop12h 38m
Spirit Airlines
Mon 4/275:45 am
SJU
-
CUN
1 stop10h 05m
Spirit Airlines
Deal found 4/5$372
This CheapOair deal was found by Cheapflights users on 4/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:32 am
CUN
-
SJU
1 stop12h 38m
Multiple Airlines
Mon 4/277:17 pm
SJU
-
CUN
1 stop18h 25m
Multiple Airlines
Deal found 4/6$378
This FlightHub deal was found by Cheapflights users on 4/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/139:12 am
CUN
-
SJU
1 stop9h 48m
Frontier
Fri 4/173:23 pm
SJU
-
CUN
1 stop22h 23m
Frontier
Deal found 4/6$384

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 April 10, 2026.

Round-trip from

$243
(Expedia)

One-way from

$118
(Frontier)

Popular in

November

Cheapest in

April

Average price

$202
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 ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 10, 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

Mon 5/25

10:30 am-4:01 am

1 stop16h 31m

San Juan Luis Munoz Marin Intl

Mon 6/1

7:04 pm-10:03 am

1 stop15h 59m

$369

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

7:17 pm-12:42 pm

1 stop18h 25m

$378

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Fri 9/4

7:01 am-10:29 pm

1 stop14h 28m

San Juan Luis Munoz Marin Intl

Mon 9/7

5:33 am-10:01 pm

1 stop17h 28m

$394

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Fri 5/8

7:04 am-4:09 pm

1 stop8h 05m

San Juan Luis Munoz Marin Intl

Sun 5/10

6:12 pm-10:00 am

1 stop16h 48m

$404

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Fri 6/12

11:46 am-10:29 pm

1 stop9h 43m

San Juan Luis Munoz Marin Intl

Sat 6/20

6:17 pm-10:33 am

1 stop17h 16m

$425

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sun 6/21

10:46 am-10:29 pm

1 stop10h 43m

San Juan Luis Munoz Marin Intl

Tue 6/30

6:17 pm-10:35 am

1 stop17h 18m

$425
Quickest round-trip

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Thu 7/2

7:01 am-4:14 pm

1 stop8h 13m

San Juan Luis Munoz Marin Intl

Thu 7/2

6:17 pm-9:50 am

1 stop16h 33m

$425

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Mon 7/27

11:46 am-12:47 pm

1 stop24h 01m

San Juan Luis Munoz Marin Intl

Tue 8/4

6:17 pm-9:55 am

1 stop16h 38m

$425
Cheapest one-way

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Mon 4/27

10:34 am-12:29 am

1 stop12h 55m

$118

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sun 5/10

1:31 pm-11:54 pm

1 stop9h 23m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/6

Showing 1-10 of 18 resultsSorted by cheapest first
1
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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 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 30% of weekly flights between Cancún and Puerto Rico have experienced delays in the past year, with the average delay time being 198 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 30% 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?

    Frontier can get you from Cancún to Puerto Rico in just under 16h 31m. Your travel time can differ by up to . The distance from Cancún to Puerto Rico is about 1367 mi.

  • 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 ($150).

  • 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 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

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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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