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$113+ Cheap flights from San Juan to Cancún (CUN)

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — CUN
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan to Cancun are usually found in February or March, booked 58 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from San Juan to Cancún

Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Cancún (CUN). 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 August 1, 2025.

Round-trip from

$254
(FlightHub)

One-way from

$117
(CheapOair)

Popular in

July

Cheapest in

February

Average price

$339
From San Juan to Cancun
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One-way flight from San Juan to Cancun
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Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from San Juan to Cancún

Cheapest flights from San Juan to Cancún
Explore the most affordable flight options available from San Juan to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

This CheapOair deal was found by Cheapflights users on 7/29. 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 8/144:05 pmSJU - CUN
1 stop17h 04mSpirit Airlines
Mon 8/189:14 amCUN - SJU
1 stop13h 43mSpirit Airlines
Deal found 7/29$250
This Expedia deal was found by Cheapflights users on 7/29. 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 11/88:28 pmSJU - CUN
1 stop13h 42mMultiple Airlines
Sat 11/159:45 amCUN - SJU
1 stop8h 23mMultiple Airlines
Deal found 7/29$273
This Frontier deal was found by Cheapflights users on 7/29. 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.
Tue 8/1212:59 amSJU - CUN
1 stop11h 19mFrontier
Sat 8/169:04 amCUN - SJU
1 stop10h 25mFrontier
Deal found 7/29$289
This JetBlue deal was found by Cheapflights users on 7/29. 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 8/1611:25 amSJU - CUN
Nonstop3h 15mJetBlue
Sat 8/232:45 pmCUN - SJU
Nonstop3h 19mJetBlue
Deal found 7/29$293
This Copa Airlines deal was found by Cheapflights users on 7/29. 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 9/182:55 pmSJU - CUN
1 stop8h 03mCopa Airlines
Thu 9/2511:29 amCUN - SJU
1 stop9h 52mCopa Airlines
Deal found 7/29$295
This Delta deal was found by Cheapflights users on 7/29. 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.
Tue 10/287:15 amSJU - CUN
1 stop14h 05mDelta
Fri 10/316:59 amCUN - SJU
1 stop10h 56mDelta
Deal found 7/29$327

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Juan to Cancún 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 August 1, 2025.
Use the filters below to find and compare flights from San Juan to Cancún that are best for you.

Fly from

San Juan

Fly to

Cancún

Route

Depart

Return

Price

San JuanCancún

SJU - CUN

SJUCUN

San Juan Luis Munoz Marin Intl

Thu 8/14

4:05 pm-8:09 am

1 stop17h 04m

Cancun

Mon 8/18

9:14 am-11:57 pm

1 stop13h 43m

$250

San JuanCancún

SJU - CUN

SJUCUN

San Juan Luis Munoz Marin Intl

Sat 11/8

8:28 pm-9:10 am

1 stop13h 42m

Cancun

Sat 11/15

9:45 am-7:08 pm

1 stop8h 23m

$273

San JuanCancún

SJU - CUN

SJUCUN

San Juan Luis Munoz Marin Intl

Tue 8/12

12:59 am-11:18 am

1 stop11h 19m

Cancun

Sat 8/16

9:04 am-8:29 pm

1 stop10h 25m

$289

San JuanCancún

SJU - CUN

SJUCUN

San Juan Luis Munoz Marin Intl

Sat 8/16

11:25 am-1:40 pm

Nonstop3h 15m

Cancun

Sat 8/23

2:45 pm-7:04 pm

Nonstop3h 19m

$293

San JuanCancún

SJU - CUN

SJUCUN

San Juan Luis Munoz Marin Intl

Thu 9/18

2:55 pm-9:58 pm

1 stop8h 03m

Cancun

Thu 9/25

11:20 am-10:21 pm

1 stop10h 01m

$295

San JuanCancún

SJU - CUN

SJUCUN

San Juan Luis Munoz Marin Intl

Tue 10/28

7:00 am-8:20 pm

2 stops14h 20m

Cancun

Sat 11/1

8:59 am-6:55 pm

1 stop8h 56m

$327

San JuanCancún

SJU - CUN

SJUCUN

San Juan Luis Munoz Marin Intl

Wed 9/3

1:59 am-8:11 am

1 stop7h 12m

$113

San JuanCancún

SJU - CUN

SJUCUN

San Juan Luis Munoz Marin Intl

Sat 8/30

11:25 am-1:40 pm

Nonstop3h 15m

$124

San JuanCancún

SJU - CUN

SJUCUN

San Juan Luis Munoz Marin Intl

Fri 8/29

5:48 pm-9:26 pm

1 stop28h 38m

$131

San JuanCancún

SJU - CUN

SJUCUN

San Juan Luis Munoz Marin Intl

Fri 8/15

12:59 am-11:18 am

1 stop11h 19m

$134

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 14 results
1
2

Best time to book a flight from San Juan to Cancún

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Juan to Cancún. Price data was last updated on July 25, 2025.

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan to Cancún. 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 San Juan to Cancún?

Currently, January is the cheapest month in which you can book a flight from San Juan to Cancún (average of $360). Flying from San Juan to Cancún in March is currently the most expensive (average of $492). 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 SJU to CUN?

Find hourly flight availability from San Juan to Cancún. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 17% on flights from San Juan to Cancún by exploring options for tickets in the evening.

What is the cheapest day to fly from San Juan to Cancún?

Use this chart to determine the cheapest time to fly round-trip from San Juan to Cancún. Price data was last updated on September 22, 2024.

Travelers seeking maximum savings on their San Juan to Cancún flight should consider departing on Friday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Cancún

Get insights into the airlines that provide service to Cancún. 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 Cancún. Reviews last updated August 1, 2025.
Peruse reviews from past customers who have flown with Delta, Copa Airlines, and Aeromexico from San Juan to Cancún 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.
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.5
Good
1,493 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aeromexico
7.5
Good
1,721 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.3
Good
2,914 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

    Located just 8.9 mi from the city center, Cancun is the airport most travelers will use when flying to Cancún from San Juan. Booking flights from San Juan to Cancun (CUN) should be relatively easy as there are 0 daily inbound flights from San Juan from 5 different airlines.

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

    Cheapflights users have booked flights from San Juan to Cancún round-trip from $254. Other airlines that can offer you cheap pricing are Frontier, from $289, and JetBlue, from $293. Spirit Airlines is priced at 31% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as $117 on Spirit Airlines. Other airlines that offer cheap prices include JetBlue from $124 and Copa Airlines from $131 one-way.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from San Juan to Cancún (average of $360). Flying from San Juan to Cancún in March is currently the most expensive (average of $492). 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

Traveling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
Puerto Aventuras
Holbox
Punta Sam

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Juan to Cancún

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

Top 5 airlines flying from San Juan to Cancún

Discover the top 5 airlines that operate flights from San Juan to Cancún. 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$153Average$370FlexibilityNo cancel feeOn-time65%
FrontierCheapest$207Average$324FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$229Average$418FlexibilityNo cancel feeOn-time62%
Copa AirlinesCheapest$248Average$358FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$339Average$556FlexibilityNo cancel feeOn-time71%

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