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$122+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SJU
Jan 28 — Feb 41
Tue 1/28
Tue 2/4
1 adult, Economy
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The best prices from Cancun to San Juan are usually found in May or February, booked 40 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap 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 January 23, 2025.

Round-trip from

$198
(JetBlue)

One-way from

$122
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$228
From Cancun to San Juan
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One-way flight from Cancun to San Juan
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Highest demand for flights based on searches. 13% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find 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 January 23, 2025.

This JetBlue deal was found by Cheapflights users on 1/22. 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.
Wed 2/1212:10 pmCUN - SJU
Nonstop3h 10mJetBlue
Mon 2/178:38 amSJU - CUN
Nonstop3h 32mJetBlue
Deal found 1/22$198
This Copa Airlines deal was found by Cheapflights users on 1/22. 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.
Thu 11/135:22 amCUN - SJU
1 stop16h 14mCopa Airlines
Mon 11/176:00 amSJU - CUN
1 stop16h 35mCopa Airlines
Deal found 1/22$254
This Frontier deal was found by Cheapflights users on 1/22. 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.
Fri 2/211:12 pmCUN - SJU
1 stop12h 42mFrontier
Fri 2/288:43 pmSJU - CUN
1 stop13h 17mFrontier
Deal found 1/22$302
This FlightHub deal was found by Cheapflights users on 1/23. 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.
Sat 2/2212:40 pmCUN - SJU
2 stops20h 03mSpirit Airlines
Sat 3/19:34 pmSJU - CUN
1 stop15h 37mSpirit Airlines
Deal found 1/23$307
This Kiwi.com deal was found by Cheapflights users on 1/23. 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 2/201:16 pmCUN - SJU
1 stop10h 37mMultiple Airlines
Sun 2/232:22 pmSJU - CUN
1 stop20h 17mMultiple Airlines
Deal found 1/23$338
This United Airlines deal was found by Cheapflights users on 1/22. 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.
Thu 9/41:12 pmCUN - SJU
2 stops24h 32mUnited Airlines
Fri 9/127:00 amSJU - CUN
1 stop30h 02mUnited Airlines
Deal found 1/22$351
This Southwest deal was found by Cheapflights users on 1/22. 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.
Thu 7/1711:40 amCUN - SJU
2 stops12h 15mSouthwest
Wed 7/235:30 amSJU - CUN
2 stops9h 30mSouthwest
Deal found 1/22$541
This Priceline deal was found by Cheapflights users on 1/22. 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 2/172:10 pmCUN - SJU
2 stops20h 30mAvianca
Sat 2/224:20 pmSJU - CUN
2 stops23h 25mAvianca
Deal found 1/22$554
This Delta deal was found by Cheapflights users on 1/23. 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 9/127:52 amCUN - SJU
2 stops13h 16mDelta
Fri 9/197:20 amSJU - CUN
2 stops13h 42mDelta
Deal found 1/23$666
This Air Canada deal was found by Cheapflights users on 1/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:45 pmCUN - SJU
2 stops22h 53mAir Canada
Fri 9/191:05 amSJU - CUN
2 stops19h 35mAir Canada
Deal found 1/23$1,086

Find flights from Cancún to San Juan within your budget

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 January 23, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Wed 2/12

12:10 pm-4:20 pm

Nonstop3h 10m

San Juan Luis Munoz Marin Intl

Mon 2/17

8:38 am-11:10 am

Nonstop3h 32m

$198

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Wed 3/12

7:53 am-3:49 pm

1 stop6h 56m

San Juan Luis Munoz Marin Intl

Mon 3/17

5:46 pm-10:20 am

1 stop17h 34m

$257

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Fri 2/21

1:12 pm-2:54 am

1 stop12h 42m

San Juan Luis Munoz Marin Intl

Fri 2/28

8:43 pm-9:00 am

1 stop13h 17m

$302

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sat 2/22

12:40 pm-9:43 am

2 stops20h 03m

San Juan Luis Munoz Marin Intl

Sat 3/1

9:34 pm-12:11 pm

1 stop15h 37m

$307

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Thu 2/20

1:16 pm-12:53 am

1 stop10h 37m

San Juan Luis Munoz Marin Intl

Sun 2/23

2:22 pm-9:39 am

1 stop20h 17m

$338

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Thu 1/30

12:35 pm-1:17 pm

2 stops23h 42m

San Juan Luis Munoz Marin Intl

Thu 2/6

4:52 pm-3:59 pm

2 stops24h 07m

$354

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Mon 2/17

2:10 pm-11:40 am

2 stops20h 30m

San Juan Luis Munoz Marin Intl

Sat 2/22

4:20 pm-2:45 pm

2 stops23h 25m

$554

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Thu 2/13

8:59 am-11:46 pm

2 stops13h 47m

San Juan Luis Munoz Marin Intl

Tue 2/18

7:00 am-9:05 pm

2 stops15h 05m

$666

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Thu 2/6

10:30 pm-8:55 pm

2 stops21h 25m

San Juan Luis Munoz Marin Intl

Tue 2/11

2:05 am-9:35 pm

2 stops20h 30m

$1,278

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Wed 2/12

7:00 pm-4:59 am

3 stops32h 59m

San Juan Luis Munoz Marin Intl

Mon 2/17

6:30 am-5:00 pm

3 stops35h 30m

$4,601

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 21 results
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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.

Travel insights for flights from Cancún to San Juan

Get recent, data-driven insights about flights from Cancún to San Juan including ideal travel times, pricing trends, and more.

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 17, 2025.

Booking 40 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, September is the cheapest month in which you can book a flight from Cancún to San Juan (average of $254). Flying from Cancún to San Juan in March is currently the most expensive (average of $375). 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 SJU?

Find hourly flight availability from Cancún to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 23, 2025.

It’s optimal to fly from Cancún to San Juan at noon. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight in the morning.

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 January 23, 2025.
Southwest
8.1
Very good
4,647 reviews

Boarding

8.2

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,647 reviews
Southwest
8.1
Very good
4,647 reviews

Boarding

8.2

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,699 reviews
Southwest
8.1
Very good
4,647 reviews

Boarding

8.2

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,508 reviews
Southwest
8.1
Very good
4,647 reviews

Boarding

8.2

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Copa Airlines
7.7
Good
1,653 reviews
Southwest
8.1
Very good
4,647 reviews

Boarding

8.2

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

JetBlue
7.4
Good
3,186 reviews
Southwest
8.1
Very good
4,647 reviews

Boarding

8.2

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

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 3 different airlines.

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

    JetBlue, at $198, was found to be the cheapest airline from Cancún to San Juan.Alternate airlines to your destination round-trip include Copa Airlines and Frontier. Users have found that JetBlue is 27% cheaper than the other options available to this destination.

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

    $122 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on JetBlue and Copa Airlines, with prices starting from $132 and $134, respectively.

  • What are the cheapest flights from Cancún to San Juan?

    The cheapest flight price from Cancún to San Juan is $114. On average you can expect to pay $273. The most popular route, (Cancun - San Juan Luis Munoz Marin Intl), can usually be booked for $419.

  • 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, September is the cheapest month in which you can book a flight from Cancún to San Juan (average of $254). Flying from Cancún to San Juan in March is currently the most expensive (average of $375). 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 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 3 airlines flying from Cancún to San Juan

Discover the top 3 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 January 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$163Average$366FlexibilityNo cancel feeOn-time62%
Copa AirlinesCheapest$169Average$309FlexibilityNo cancel feeOn-time70%
FrontierCheapest$202Average$322FlexibilityNo cancel feeOn-time62%
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