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$173+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SJU
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$238
(JetBlue)

One-way from

$173
(Mytrip)

Popular in

December

Cheapest in

March

Average price

$347

Good one-way deal

$280 or less
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. 7% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a one-way flight from Cancun to Puerto Rico.
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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 July 3, 2025.

This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/232:45 pmCUN - SJU
Nonstop3h 19mJetBlue
Sat 8/3011:25 amSJU - CUN
Nonstop3h 15mJetBlue
Deal found 7/2$238
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 12/209:45 amCUN - SJU
1 stop8h 23mArajet
Fri 12/268:20 amSJU - CUN
1 stop9h 29mArajet
Deal found 7/3$269
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/512:16 pmCUN - SJU
1 stop10h 43mSpirit Airlines
Mon 7/78:24 pmSJU - CUN
1 stop15h 57mSpirit Airlines
Deal found 7/1$286
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/48:04 amCUN - SJU
1 stop11h 50mFrontier
Thu 7/105:15 pmSJU - CUN
1 stop14h 40mFrontier
Deal found 7/3$295
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1711:52 amCUN - SJU
1 stop8h 58mMultiple Airlines
Sat 7/1912:59 amSJU - CUN
1 stop11h 19mMultiple Airlines
Deal found 7/1$319
This Copa Airlines 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/127:00 amCUN - SJU
1 stop14h 21mCopa Airlines
Fri 9/192:55 pmSJU - CUN
1 stop8h 03mCopa Airlines
Deal found 7/2$332
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/231:43 pmCUN - SJU
2 stops21h 51mUnited Airlines
Sat 8/303:56 pmSJU - CUN
1 stop23h 32mUnited Airlines
Deal found 7/2$357
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:44 amCUN - SJU
1 stop9h 11mDelta
Wed 1/77:00 amSJU - CUN
2 stops15h 10mDelta
Deal found 7/3$368
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/152:10 pmCUN - SJU
3 stops20h 45mAvianca
Fri 8/226:15 pmSJU - CUN
3 stops19h 55mAvianca
Deal found 7/1$448
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/201:40 pmCUN - SJU
2 stops11h 00mSouthwest
Sun 8/2410:30 pmSJU - CUN
2 stops14h 30mSouthwest
Deal found 7/1$523

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 3, 2025.
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 8/23

2:45 pm-7:04 pm

Nonstop3h 19m

San Juan Luis Munoz Marin Intl

Sat 8/30

11:25 am-1:40 pm

Nonstop3h 15m

$238

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sat 12/20

9:45 am-7:08 pm

1 stop8h 23m

San Juan Luis Munoz Marin Intl

Fri 12/26

8:20 am-4:49 pm

1 stop9h 29m

$269

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Thu 7/17

12:26 pm-9:09 pm

1 stop7h 43m

San Juan Luis Munoz Marin Intl

Sun 7/20

10:14 pm-11:20 am

1 stop14h 06m

$291

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Thu 7/17

11:52 am-9:50 pm

1 stop8h 58m

San Juan Luis Munoz Marin Intl

Sat 7/19

12:59 am-11:18 am

1 stop11h 19m

$319

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Fri 9/12

7:00 am-10:21 pm

1 stop14h 21m

San Juan Luis Munoz Marin Intl

Fri 9/19

2:55 pm-9:58 pm

1 stop8h 03m

$332

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sat 8/23

1:43 pm-12:34 pm

2 stops21h 51m

San Juan Luis Munoz Marin Intl

Sat 8/30

3:56 pm-2:37 pm

2 stops23h 41m

$357

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Mon 12/29

8:44 am-6:55 pm

1 stop9h 11m

San Juan Luis Munoz Marin Intl

Wed 1/7

7:00 am-9:10 pm

2 stops15h 10m

$368

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Fri 8/15

2:10 pm-11:55 am

3 stops20h 45m

San Juan Luis Munoz Marin Intl

Fri 8/22

6:15 pm-1:10 pm

3 stops19h 55m

$448

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sun 7/20

1:40 pm-1:40 am

2 stops11h 00m

San Juan Luis Munoz Marin Intl

Sun 8/24

10:30 pm-12:00 pm

2 stops14h 30m

$523

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sat 7/26

12:35 pm-11:59 pm

1 stop10h 24m

$173

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 19 results
1
2

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, September is the cheapest month in which you can book a flight from Cancún to Puerto Rico (average of $254). Flying from Cancún to Puerto Rico in June is currently the most expensive (average of $339). 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.

What is the cheapest time of day to fly from CUN to PR?

Find hourly flight availability from Cancún to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cancún to Puerto Rico as you normally would.

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 July 3, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and Copa Airlines 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.
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,982 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Copa Airlines
7.5
Good
1,467 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,861 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
JetBlue
7.3
Good
2,916 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

  • 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 Frontier ($173), JetBlue ($176), and Copa Airlines ($178).

  • What are the cheapest flights from Cancún to Puerto Rico?

    Looking at all options, your cheapest flight can be booked for $156. While the most popular route (Cancun - San Juan Luis Munoz Marin Intl) can be booked for $326 on average our data indicates $403 when flying from Cancún to Puerto Rico.

  • 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, September is the cheapest month in which you can book a flight from Cancún to Puerto Rico (average of $254). Flying from Cancún to Puerto Rico in June is currently the most expensive (average of $339). 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 Havana flights
Cancún to Punta Cana flights
Cancún to Montego Bay flights
Cancún to Holguín flights
Cancún to Luis Munoz Marin Intl 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$164Average$351FlexibilityNo cancel feeOn-time62%
Copa AirlinesCheapest$243Average$302FlexibilityNo cancel feeOn-time70%

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