Cheap Flights from San Antonio International to Cancun

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Flight deals from San Antonio International to Cancun

Looking for a cheap last-minute deal or the best return flight from San Antonio International to Cancun? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Antonio International to Cancun

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Antonio International to Cancun flights are currently cheapest in May.

Direct flights from San Antonio International to Cancun

San Antonio International to Cancun: Alternative routes

Compare routes from San Antonio International to Cancun below. You may find an airport to fly into that's cheaper, faster, or easier than Cancun.

San Antonio to Cancun: Flight information

The things to know before you go.
Cheapest flight foundR 1,927
Cheapest month to flyMay
Average flight time2 hrs, 34 mins
Most popular airlineSun Country Airlines
Average flights per week6

Finding cheap flights from San Antonio International to Cancun: Frequently asked questions

The best price we found for a return flight from San Antonio International to Cancun is R 5,826. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 34 minutes is the average flight time from San Antonio International to Cancun.
Sun Country Airlines and Southwest Airlines fly direct from San Antonio International to Cancun.
As of April 2025, there are 6 flights per week flying from San Antonio International to Cancun.
The cheapest month to fly from San Antonio International to Cancun is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Antonio International Airport to Cancun Airport on Friday, 30 May 2025.
Yes – the average flight time is 2 hours and 34 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Cancun but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Cancun is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Volaris and Sun Country Airlines offer the cheapest flight tickets to Cancun.

Travelling from San Antonio International Airport (SAT) to Cancun International Airport (CUN): what you need to know

  • Jump on a direct flight from San Antonio International Airport to Cancun International Airport and you'll be in the air for an average of 2 hours 35 minutes.

  • Cancun's timezone is UTC-5, which is the same as San Antonio.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to board your SAT to CUN flight.

  • Be prepared for longer lines during popular months like July. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a wise move.

  • Getting to Cancun (and then discovering more of Mexico!) is a breeze with Sun Country Airlines. This popular carrier offers direct flights from San Antonio International Airport to Cancun International Airport.

  • The majority of passengers choose to travel with Sun Country Airlines on this route.

  • Southwest Airlines is the most punctual carrier that offers SAT to CUN flights.

  • Think about adding a stopover when booking your ticket from San Antonio International Airport to Cancun International Airport. Simply deselect 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Here's where you can stop between SAT and CUN:

    • George Bush Intercontinental Airport

    • Gen Mariano Escobedo Airport

    • William P. Hobby Airport

How to find the cheapest flights from San Antonio International Airport (SAT) to Cancun International Airport (CUN)

  • R 1,927 is the best price for a one-way San Antonio International Airport to Cancun International Airport flight. Return flights start from R 5,826. These fares may change based on demand and availability.

  • Get cheap tickets from SAT to CUN by booking seven months ahead. According to our research, that's the sweet spot for finding a bargain.

  • Plan your trip for June. That's the cheapest month for flights from San Antonio International Airport to Cancun International Airport. If you're flexible with your dates, use the 'Whole month' tool to find the cheapest airfare across every month.

  • Landing cheap flights from SAT to CUN is easy with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as fares go down.

  • Lock in the perfect flight for you with the help of the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from San Antonio International Airport to Cancun International Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and number of stops.

Handy information about San Antonio International Airport (SAT)

  • You'll find SAT at 9800 Airport Boulevard.

  • San Antonio International Airport earns top marks for its on-time performance. 83.17% of flights that depart SAT arrive at their destination on time.

  • To get to San Antonio International Airport from central San Antonio, it takes around 20 minutes if you're planning to drive. Of course, this depends on traffic. It's approximately 19 kilometres from the airport to the city centre.

  • Planning to catch public transport? You can expect a journey time of around 1 hour 30 minutes.

  • Booked an early flight from San Antonio International Airport to Cancun International Airport? Avoid the last-minute rush to the terminal (and enjoy a little extra shut-eye) by choosing one of these stays close to SAT:

Arriving at Cancun International Airport (CUN)

  • Consider staying in a hotel close to CUN if you're taking a late San Antonio International Airport to Cancun International Airport flight. Settle into one of these accommodation options and skip the long transfer:

  • Pick up a Cancun International Airport rental car and explore Cancun and beyond with your own wheels. MEX, America and Europcar are popular providers you can book with here.

  • Lock in the best rate by reserving your vehicle from Cancun International Airport about three weeks before your departure date.

Getting from Cancun International Airport (CUN) to central Cancun

  • Cancun International Airport is roughly 19 kilometres from central Cancun. The drive time takes around 25 minutes.

When to fly to Cancun International Airport (CUN)

  • The quietest month for a flight from San Antonio International Airport to Cancun International Airport is May, while July is the busiest. Pick the best time to go to Cancun based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Cancun is August, with the temperature ranging between 26ºC (79ºF) and 32ºC (90ºF). Book your flights from San Antonio International Airport to Cancun International Airport in this month if you enjoy this type of weather.

  • If you want cooler conditions, search for a cheap ticket from SAT to CUN in January. Average temperatures are between 20ºC (68ºF) and 27ºC (81ºF) then.

Explore more of Mexico

  • You've visited Cancun, now it's time to explore other corners of Mexico. Journey around 290 kilometres west to Merida to tick off its leading attractions. From P. ANDADOR NVA. CHICHEN ITZA to Pre Hispanic Town Of Uxmal and El Palacio de Gobierno, your itinerary will be busy.

  • Campeche is another essential stop in Mexico and is around 418 kilometres west of Cancun. No journey is complete without seeing Campeche Waterfront Promenade, Zona Arquelogica Edzna and Centro Historico de San Francisco de Campeche.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.