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$132+ Cheap flights from Cancún (CUN) to San Juan

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SJU
feb. 28 — mar. 71
sáb. 2/28
sáb. 3/7
1 adult, Economy
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Cheapflights Tip: The best prices from Cancun to San Juan are usually found in May or March, booked 29 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Cancún to San Juan

Cheapest flights from Cancún to San Juan
Explore the most affordable flight options available from Cancún to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 29, 2026.

This Orbitz deal was found by Cheapflights users on 1/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/2512:35 pm
CUN
-
SJU
1 stop5h 33m
Multiple Airlines
mar. 4/281:59 am
SJU
-
CUN
1 stop11h 43m
Multiple Airlines
Deal found 1/28$282
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
sáb. 3/211:00 pm
CUN
-
SJU
1 stop5h 55m
Arajet
vie. 3/2712:22 pm
SJU
-
CUN
1 stop5h 27m
Arajet
Deal found 1/27$285
This Orbitz deal was found by Cheapflights users on 1/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/149:12 am
CUN
-
SJU
1 stop11h 51m
Multiple Airlines
lun. 4/201:59 am
SJU
-
CUN
1 stop11h 43m
Multiple Airlines
Deal found 1/28$294
This Frontier deal was found by Cheapflights users on 1/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/131:52 pm
CUN
-
SJU
1 stop9h 37m
Frontier
mar. 5/191:59 am
SJU
-
CUN
1 stop11h 43m
Frontier
Deal found 1/27$295
This Orbitz deal was found by Cheapflights users on 1/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/281:00 pm
CUN
-
SJU
1 stop5h 55m
Multiple Airlines
vie. 4/101:45 am
SJU
-
CUN
1 stop7h 27m
Multiple Airlines
Deal found 1/27$301
This Priceline deal was found by Cheapflights users on 1/26. 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.
jue. 4/1610:34 am
CUN
-
SJU
1 stop8h 33m
Frontier
lun. 4/209:12 pm
SJU
-
CUN
1 stop16h 30m
Frontier
Deal found 1/26$305
This Delta deal was found by Cheapflights users on 1/28. 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.
lun. 4/278:00 am
CUN
-
SJU
1 stop14h 13m
Delta
jue. 4/307:30 am
SJU
-
CUN
1 stop13h 44m
Delta
Deal found 1/28$307
This Delta deal was found by Cheapflights users on 1/28. 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.
vie. 10/308:00 am
CUN
-
SJU
2 stops14h 56m
Delta
mar. 11/37:00 am
SJU
-
CUN
2 stops15h 15m
Delta
Deal found 1/28$309
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
sáb. 3/211:00 pm
CUN
-
SJU
1 stop5h 55m
Multiple Airlines
mar. 3/241:45 am
SJU
-
CUN
1 stop7h 27m
Multiple Airlines
Deal found 1/27$319
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
lun. 3/239:12 am
CUN
-
SJU
1 stop11h 51m
Multiple Airlines
vie. 3/2712:22 pm
SJU
-
CUN
1 stop5h 27m
Multiple Airlines
Deal found 1/27$321
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
sáb. 3/211:00 pm
CUN
-
SJU
1 stop5h 55m
Multiple Airlines
lun. 3/301:45 am
SJU
-
CUN
1 stop7h 27m
Multiple Airlines
Deal found 1/27$324

Find flight deals from Cancún to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Cancún (CUN) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 29, 2026.

Round-trip from

$282
(Orbitz)

One-way from

$132
(Travelocity)

Popular in

November

Cheapest in

May

Average price

$298
From Cancun to San Juan
Search Deals
One-way flight from Cancun to San Juan
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($43 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 January 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Cancún to San Juan 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 enero 29, 2026.
Use the filters below to find and compare flights from Cancún to San Juan that are best for you.

Fly from

Cancún

Fly to

San Juan

Route

Depart

Return

Price

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

sáb. 4/25

12:35 pm-7:08 pm

1 stop5h 33m

San Juan Luis Munoz Marin Intl

mar. 4/28

1:59 am-12:42 pm

1 stop11h 43m

$282

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

mié. 5/13

1:52 pm-12:29 am

1 stop9h 37m

San Juan Luis Munoz Marin Intl

mar. 5/19

1:59 am-12:42 pm

1 stop11h 43m

$295

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

lun. 4/27

8:00 am-11:13 pm

1 stop14h 13m

San Juan Luis Munoz Marin Intl

jue. 4/30

7:30 am-8:14 pm

1 stop13h 44m

$307

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

lun. 4/20

9:13 am-10:09 pm

1 stop11h 56m

San Juan Luis Munoz Marin Intl

lun. 4/27

9:12 pm-12:42 pm

1 stop16h 30m

$309

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

sáb. 3/21

1:00 pm-7:55 pm

1 stop5h 55m

San Juan Luis Munoz Marin Intl

lun. 3/30

1:45 am-8:12 am

1 stop7h 27m

$324

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

jue. 4/9

9:12 am-10:03 pm

1 stop11h 51m

San Juan Luis Munoz Marin Intl

lun. 4/13

1:45 am-8:12 am

1 stop7h 27m

$329

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

sáb. 4/25

6:00 am-11:12 pm

2 stops16h 12m

San Juan Luis Munoz Marin Intl

mié. 4/29

1:00 pm-8:14 pm

1 stop8h 14m

$335

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

sáb. 4/25

6:00 am-11:12 pm

2 stops16h 12m

San Juan Luis Munoz Marin Intl

mar. 4/28

6:15 am-2:01 pm

1 stop8h 46m

$335

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

mié. 5/13

9:55 am-11:43 pm

2 stops12h 48m

San Juan Luis Munoz Marin Intl

mié. 5/20

6:15 am-8:03 pm

1 stop14h 48m

$336

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

lun. 3/23

9:12 am-10:03 pm

1 stop11h 51m

San Juan Luis Munoz Marin Intl

mié. 3/25

1:45 am-8:12 am

1 stop7h 27m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 20 results
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2

Best time to book a flight from Cancún to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan 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 San Juan

How far ahead should I book a flight from Cancún to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Cancún to San Juan. Price data was last updated on January 23, 2026.

Booking 28 days in advance of your planned departure date is, on average, the best time to get cheap flights from Cancún to San Juan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Cancún to San Juan?

Currently, May is the cheapest month in which you can book a flight from Cancún to San Juan (average of $142). Flying from Cancún to San Juan in July is currently the most expensive (average of $265). 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 San Juan delayed?

About 28% of weekly flights between Cancún and San Juan have experienced delays in the past year, with the average delay time being 159 minutes.

What is the most punctual flight time for Cancún to San Juan flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning 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 San Juan flights?

Over the last year, JetBlue have had the lowest number of delays on this route, with just 28% of flights being delayed.

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated enero 29, 2026.
Read through reviews of airlines operating flights from Cancún to San Juan, such as Copa Airlines and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.5
Good
1,560 reviews

Comfort

7.4

Entertainment

6.8

Food

6.8

Boarding

7.8

Crew

8.1

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.
Copa Airlines
7.5
Good
1,560 reviews
Copa Airlines
7.5
Good
1,560 reviews

Comfort

7.4

Entertainment

6.8

Food

6.8

Boarding

7.8

Crew

8.1

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.
JetBlue
7.2
Good
2,891 reviews
Copa Airlines
7.5
Good
1,560 reviews

Comfort

7.4

Entertainment

6.8

Food

6.8

Boarding

7.8

Crew

8.1

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.

Related info for your journey

Find useful and relevant information for your journey from Cancún to San Juan. 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 San Juan?

    Located just 8.9 mi from the city center, Cancun is the airport most travelers will use when flying to San Juan from Cancún. Booking flights from Cancun (CUN) to San Juan should be relatively easy as there are 0 daily outbound flights to San Juan from 2 different airlines.

  • How long is the flight from Cancún to San Juan?

    A quick flight from Cancún to San Juan can take about 9h 37m. Frontier provides one of the quickest options available for as low as $295. Cancún and San Juan are separated by a distance of 1367 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Cancún to San Juan round-trip?

    JetBlue, at $164, was found to be the cheapest airline from Cancún to San Juan. An alternate airline flying to your destination would be Copa Airlines. Users have found that JetBlue is 47% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Cancún to San Juan one-way?

    $133 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Spirit Airlines and Arajet, with prices starting from $145 and $146, respectively.

  • Can I find deals for flights from Cancún to San Juan that include hotel bookings?

    Yes. In addition to deals on Cancún to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cancún to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cancún to San Juan.

  • Can I find deals for business class flights from Cancún to San Juan?

    Yes. Cheapflights offers flight deals from Cancún to San Juan 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 San Juan?

    Currently, May is the cheapest month in which you can book a flight from Cancún to San Juan (average of $142). Flying from Cancún to San Juan in July is currently the most expensive (average of $265). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Cancún to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
Cancún to Luis Munoz Marin Intl flights

Top 2 airlines flying from Cancún to San Juan

Discover the top 2 airlines that operate flights from Cancún to San Juan. 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 enero 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$164Average$378FlexibilityNo cancel feeOn-time62%
Copa AirlinesCheapest$251Average$302FlexibilityNo cancel feeOn-time70%

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