$115 Cheap Flights from Cancun (CUN) to San Juan (SJU)

View $115 flight on Sun, Nov 16, 2025Opens in a new window

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $115 for one-way flights and $224 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Arajet
Sat, Sep 20 - Fri, Sep 26
CUN
Cancun
SJU
San Juan
$224 Roundtrip, found 2 days ago
$224
Roundtrip
found 2 days ago
Select Arajet flight, departing Sat, Sep 20 from Cancun to San Juan, returning Fri, Sep 26, priced at $224 found 2 days ago
Spirit Airlines
Sat, May 10 - Sat, May 17
CUN
Cancun
SJU
San Juan
$247 Roundtrip, found 6 days ago
$247
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Sat, May 10 from Cancun to San Juan, returning Sat, May 17, priced at $247 found 6 days ago
Spirit Airlines
Sat, May 24 - Sat, May 31
CUN
Cancun
SJU
San Juan
$252 Roundtrip, found 7 hours ago
$252
Roundtrip
found 7 hours ago
Select Spirit Airlines flight, departing Sat, May 24 from Cancun to San Juan, returning Sat, May 31, priced at $252 found 7 hours ago
Copa
Wed, Jun 4 - Tue, Jun 10
CUN
Cancun
SJU
San Juan
$253 Roundtrip, found 1 day ago
$253
Roundtrip
found 1 day ago
Select Copa flight, departing Wed, Jun 4 from Cancun to San Juan, returning Tue, Jun 10, priced at $253 found 1 day ago
Copa
Wed, Jun 4 - Tue, Jun 10
CUN
Cancun
SJU
San Juan
$259 Roundtrip, found 1 day ago
$259
Roundtrip
found 1 day ago
Select Copa flight, departing Wed, Jun 4 from Cancun to San Juan, returning Tue, Jun 10, priced at $259 found 1 day ago
Spirit Airlines
Sat, May 24 - Sat, May 31
CUN
Cancun
SJU
San Juan
$260 Roundtrip, found 7 hours ago
$260
Roundtrip
found 7 hours ago
Select Spirit Airlines flight, departing Sat, May 24 from Cancun to San Juan, returning Sat, May 31, priced at $260 found 7 hours ago
JetBlue Airways
Sat, Aug 23 - Sat, Aug 30
CUN
Cancun
SJU
San Juan
$261 Roundtrip, found 1 hour ago
$261
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Sat, Aug 23 from Cancun to San Juan, returning Sat, Aug 30, priced at $261 found 1 hour ago
Copa
Sat, Aug 23 - Tue, Sep 2
CUN
Cancun
SJU
San Juan
$264 Roundtrip, found 11 hours ago
$264
Roundtrip
found 11 hours ago
Select Copa flight, departing Sat, Aug 23 from Cancun to San Juan, returning Tue, Sep 2, priced at $264 found 11 hours ago
Arajet
Sat, Sep 20 - Fri, Sep 26
CUN
Cancun
SJU
San Juan
$266 Roundtrip, found 2 days ago
$266
Roundtrip
found 2 days ago
Select Arajet flight, departing Sat, Sep 20 from Cancun to San Juan, returning Fri, Sep 26, priced at $266 found 2 days ago
Aeromexico
Wed, May 14 - Sat, May 17
CUN
Cancun
SJU
San Juan
$287 Roundtrip, found 2 days ago
$287
Roundtrip
found 2 days ago
Select Aeromexico flight, departing Wed, May 14 from Cancun to San Juan, returning Sat, May 17, priced at $287 found 2 days ago
Flights from Cancun (CUN) to San Juan (SJU)
Origin airport
Cancun Intl.
Destination airport
Luis Munoz Marin Intl.
Airlines serving
Aeromexico, Air Canada, American Airlines, Arajet, Copa, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$223
Distance
1367 mi

Cancun to San Juan Flights

The cheapest times to fly from Cancun to San Juan

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 Cancun to San Juan are during the month of September. You can find some of the cheapest flights from Cancun to San Juan with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Cancun to San Juan: 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 Cancun to San Juan

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 Cancun to San Juan in 2025. You can also book with separate airlines for your outbound and return journeys, from $115 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 Cancun to San Juan 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 Cancun to San Juan 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 Cancun Intl. Airport (CUN) to Luis Munoz Marin Intl. Airport (SJU) cost?
You can land affordable return tickets from Cancun Intl. Airport (CUN) to Luis Munoz Marin Intl. Airport (SJU) starting from $303. Book your seat and start your adventure. 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 CUN on May 10 2025 and touching down at SJU. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from CUN to SJU?
The cheapest flights from CUN to SJU 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 Cancun Intl. Airport (CUN) to Luis Munoz Marin Intl. Airport (SJU)?
Catch a direct flight with JetBlue Airways and journey straight from Cancun Intl. Airport (CUN) to Luis Munoz Marin Intl. Airport (SJU).
What is the cheapest airline that flies from CUN to SJU?
With prices starting from $153 for a one-way journey from CUN to SJU, JetBlue Airways is currently the cheapest carrier flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CUN on May 17 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Cancun Intl. Airport (CUN) to Luis Munoz Marin Intl. Airport (SJU)?
On average, Cancun Intl. Airport (CUN) offers 3 direct flights to Luis Munoz Marin Intl. Airport (SJU) per week. If you’re looking for more options, use Expedia’s filters to find flights with one or two stops. Squeeze in a visit to another city or just break up your journey.
What are the most popular departure times for flights from Cancun Intl. Airport (CUN) to Luis Munoz Marin Intl. Airport (SJU)?
Flights between CUN and SJU are busiest at 12 PM. If you’d like a more relaxed atmosphere and potentially cheaper fares, look for a time outside the usual busy windows.
What day of the week has the most flights from CUN to SJU?
If you travel on a Wednesday, you’ll get the widest range of options for flights from Cancun Intl. Airport (CUN) to Luis Munoz Marin Intl. Airport (SJU).
What is the earliest flight from Cancun Intl. Airport (CUN) to Luis Munoz Marin Intl. Airport (SJU)?
Cancun Intl. Airport (CUN)’s earliest flight to Luis Munoz Marin Intl. Airport (SJU) is at approximately 12:10PM UTC-5. With a travel time of 3h 12m, you’ll land at around 4:22PM UTC-4.
How long does it take to fly from Cancun Intl. Airport (CUN) to Luis Munoz Marin Intl. Airport (SJU)?
Flights from CUN to SJU have an average travel time of 3 hours and 13 minutes. The total distance between these two airports is 1,350 mi.
What is the best time to fly from Cancun Intl. Airport (CUN) to Luis Munoz Marin Intl. Airport (SJU)?
Book a flight from Cancun Intl. Airport (CUN) to Luis Munoz Marin Intl. Airport (SJU) that takes off before 3 PM to reduce the likelihood of delays. Departures later than this are on average 22% more likely to be canceled.**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 San Juan from Cancun Intl. Airport (CUN)?
Compare your flight options from Cancun Intl. Airport (CUN) to Luis Munoz Marin Intl. Airport (SJU). This is the only airport in San Juan you can fly into if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Cancun Intl. Airport (CUN) to Luis Munoz Marin Intl. Airport (SJU) last-minute?
Holding off until right before your break to book a flight from CUN to SJU often results in higher prices. While you may come across some last-minute offers, they’re not always guaranteed. Keep your travel schedule open to boost your chances of snagging a bargain.
Can I cancel or change the date of my flight from Cancun Intl. Airport (CUN) to Luis Munoz Marin Intl. Airport (SJU)?
If you reserved your CUN to SJU flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

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*Available to One Key members.