$80 Cheap Flights from San Juan (SJU) to Cancun (CUN)

View $80 flight on Sat, Jun 7, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from San Juan to Cancun (SJU-CUN)

Prices were available within the past 7 days and start at $80 for one-way flights and $205 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sat, Jun 7 - Sat, Jun 14
SJU
San Juan
CUN
Cancun
$205 Roundtrip, found 4 hours ago
$205
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Sat, Jun 7 from San Juan to Cancun, returning Sat, Jun 14, priced at $205 found 4 hours ago
Spirit Airlines
Sat, Jun 7 - Sat, Jun 14
SJU
San Juan
CUN
Cancun
$208 Roundtrip, found 4 hours ago
$208
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Sat, Jun 7 from San Juan to Cancun, returning Sat, Jun 14, priced at $208 found 4 hours ago
Spirit Airlines
Sat, Jun 7 - Sat, Jun 14
SJU
San Juan
CUN
Cancun
$222 Roundtrip, found 4 hours ago
$222
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Sat, Jun 7 from San Juan to Cancun, returning Sat, Jun 14, priced at $222 found 4 hours ago
Spirit Airlines
Sat, Jun 7 - Thu, Jun 12
SJU
San Juan
CUN
Cancun
$227 Roundtrip, found 3 hours ago
$227
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Sat, Jun 7 from San Juan to Cancun, returning Thu, Jun 12, priced at $227 found 3 hours ago
Spirit Airlines
Sat, May 10 - Wed, May 14
SJU
San Juan
CUN
Cancun
$233 Roundtrip, found 1 hour ago
$233
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Sat, May 10 from San Juan to Cancun, returning Wed, May 14, priced at $233 found 1 hour ago
Spirit Airlines
Thu, May 1 - Thu, May 8
SJU
San Juan
CUN
Cancun
$235 Roundtrip, found 1 day ago
$235
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Thu, May 1 from San Juan to Cancun, returning Thu, May 8, priced at $235 found 1 day ago
Copa
Sat, May 10 - Wed, May 14
SJU
San Juan
CUN
Cancun
$242 Roundtrip, found 1 hour ago
$242
Roundtrip
found 1 hour ago
Select Copa flight, departing Sat, May 10 from San Juan to Cancun, returning Wed, May 14, priced at $242 found 1 hour ago
JetBlue Airways
Sat, May 10 - Sat, May 17
SJU
San Juan
CUN
Cancun
$249 Roundtrip, found 2 hours ago
$249
Roundtrip
found 2 hours ago
Select JetBlue Airways flight, departing Sat, May 10 from San Juan to Cancun, returning Sat, May 17, priced at $249 found 2 hours ago
Arajet
Fri, Oct 24 - Sun, Nov 2
SJU
San Juan
CUN
Cancun
$258 Roundtrip, found 4 days ago
$258
Roundtrip
found 4 days ago
Select Arajet flight, departing Fri, Oct 24 from San Juan to Cancun, returning Sun, Nov 2, priced at $258 found 4 days ago
Aeromexico
Thu, Sep 18 - Wed, Sep 24
SJU
San Juan
CUN
Cancun
$288 Roundtrip, just found
$288
Roundtrip
just found
Select Aeromexico flight, departing Thu, Sep 18 from San Juan to Cancun, returning Wed, Sep 24, priced at $288 just found
Flights from San Juan (SJU) to Cancun (CUN)
Origin airport
Luis Munoz Marin Intl.
Destination airport
Cancun Intl.
Airlines serving
Aeromexico, Air Canada, American Airlines, Arajet, Copa, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$204
Distance
1367 mi

San Juan to Cancun Flights

The cheapest times to fly from San Juan to Cancun

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Juan to Cancun are during the month of June. You can find some of the cheapest flights from San Juan to Cancun with Expedia's search tool and vast selection of airlines.

The best time to book a flight from San Juan to Cancun

Sunday is one of the best days to book for cheap flights from San Juan to Cancun: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from San Juan to Cancun

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Juan to Cancun in 2025. You can also book with separate airlines for your outbound and return journeys, from $80 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Juan to Cancun flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Juan to Cancun airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Cancun Intl. Airport (CUN) cost?
Book cheap return tickets starting at $249 from Luis Munoz Marin Intl. Airport (SJU) to Cancun Intl. Airport (CUN). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a JetBlue Airways flight leaving SJU on May 10 2025 and touching down at CUN. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from SJU to CUN?
The cheapest flights from SJU to CUN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Luis Munoz Marin Intl. Airport (SJU) to Cancun Intl. Airport (CUN)?
When heading out of Luis Munoz Marin Intl. Airport (SJU), you can catch a direct flight to Cancun Intl. Airport (CUN) with JetBlue Airways.
What is the cheapest airline that flies from SJU to CUN?
Right now, the cheapest carrier operating one-way flights from SJU to CUN is JetBlue Airways. You can book a seat on this route from $126. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SJU on May 31 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Cancun Intl. Airport (CUN)?
On average you can take your pick of 3 direct flights per week from Luis Munoz Marin Intl. Airport (SJU) to Cancun Intl. Airport (CUN). To expand your choices, consider flights with layovers. Just enter your details on Expedia and then set the filters to include one or more stops.
What are the most popular departure times for flights from Luis Munoz Marin Intl. Airport (SJU) to Cancun Intl. Airport (CUN)?
Flights between SJU and CUN are their busiest at 8 AM. If you’re after a quieter experience and potentially cheaper fares, look for a time when demand is lower.
What day of the week has the most flights from SJU to CUN?
If you fly on a Wednesday, you’ll get the largest range of choices for flights from Luis Munoz Marin Intl. Airport (SJU) to Cancun Intl. Airport (CUN).
What is the earliest flight from Luis Munoz Marin Intl. Airport (SJU) to Cancun Intl. Airport (CUN)?
Luis Munoz Marin Intl. Airport (SJU)’s earliest flight to Cancun Intl. Airport (CUN) is at approximately 8:38AM UTC-4. With a flight time of 3h 32m, you’ll land at around 11:10AM UTC-5.
How long does it take to fly from Luis Munoz Marin Intl. Airport (SJU) to Cancun Intl. Airport (CUN)?
The average flight time from SJU to CUN is 3 hours and 32 minutes, covering a total distance of 1,350 mi.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Cancun Intl. Airport (CUN)?
Opt for a flight from Luis Munoz Marin Intl. Airport (SJU) to Cancun Intl. Airport (CUN) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Cancun from Luis Munoz Marin Intl. Airport (SJU)?
Cancun Intl. Airport (CUN) is the only airport in Cancun with direct flights from Luis Munoz Marin Intl. Airport (SJU). Compare the available options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Luis Munoz Marin Intl. Airport (SJU) to Cancun Intl. Airport (CUN) last-minute?
Last-minute fares from SJU to CUN are generally more expensive. For the lowest rates, start searching for flights well ahead of time. That said, if your travel plans are flexible, it’s possible to score a cheap fare right before your trip.
Is it cheaper to book a SJU to CUN flight and hotel package?
You can save money by securing a SJU to CUN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one convenient place. After selecting your preferred accommodations and flights, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Cancun Intl. Airport (CUN)?
Typically, it’s possible to cancel or reschedule your SJU to CUN flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find more details on our Customer Service portal.

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*Available to One Key members.