Cheap Flights from Cancun to San Antonio International

Compare Cancun to San Antonio International flight deals

Find the cheapest month or even day of the year to fly to San Antonio International

Book the best San Antonio International fare with no extra fees

Flight deals from Cancun to San Antonio International

Looking for a cheap last-minute deal or the best return flight from Cancun to San Antonio International? Find the lowest prices on one-way and return tickets right here.
Map with a flight path from Cancun to San Antonio International. A plane icon is halfway along the route with a label that says "Direct flight".
Direct flight

Your route at a glance

Cheapest deal$458
Cheapest monthJanuary
Average flight duration2 hours and 45 minutes
Most popular airlineSouthwest Airlines

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

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

Direct flights from Cancun to San Antonio International

Cancun to San Antonio International: Alternative routes

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

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

The best price we found for a return flight from Cancun to San Antonio International is $458. 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 45 minutes is the average flight time from Cancun to San Antonio International.
Sun Country Airlines and Southwest Airlines fly direct from Cancun to San Antonio International.
As of December 2025, there are 7 flights per week flying from Cancun to San Antonio International.
The cheapest month to fly from Cancun to San Antonio International is usually January.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cancun Airport to San Antonio International Airport on Wednesday, 7 January 2026.
Yes – the average flight time is 2 hours and 45 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 San Antonio International 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 San Antonio is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Spirit Airlines and Southwest Airlines offer the cheapest flight tickets to San Antonio International.

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

  • Around 2 hours 45 minutes is how long you can expect to be in the air on a direct flight from Cancun International Airport to San Antonio International Airport.

  • Cancun and San Antonio are in the UTC-5 timezone. This means you won't have to change your watch when you arrive.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to catch your CUN to SAT flight.

  • You can expect longer queues in popular months like July. Arriving up to four hours ahead of international flights and two hours for domestic departures is a smart move.

  • Sun Country Airlines offers direct flights from Cancun International Airport to San Antonio International Airport. Book with this popular airline, then get ready to check out the sights in San Antonio — and maybe even more of United States if time allows.

  • Most passengers choose to travel with Sun Country Airlines on this route.

  • The carrier with the most consistent on-time arrival rate for CUN to SAT flights is Southwest Airlines.

  • If you want to break up your flight, just uncheck 'Direct flights only' when searching for your ticket from Cancun International Airport to San Antonio International Airport. Here are the top stopovers between CUN and SAT:

    • William P. Hobby Airport

    • George Bush Intercontinental Airport

    • Queretaro Intercontinental Airport

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

  • The lowest price we've seen for a one-way Cancun International Airport to San Antonio International Airport flight is $274. A return plane ticket is currently $458. Depending on the availability and when you book, these fares could change.

  • To secure cheap tickets from CUN to SAT, book your journey seven months ahead of your departure.

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

  • Stay on top of deals for cheap flights from CUN to SAT by creating a Price Alert. We'll send you an email or notification through the app when a new low fare is offered.

  • Find the ideal flight for you by using the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Cancun International Airport to San Antonio International Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and journey duration.

Handy information about Cancun International Airport (CUN)

  • When it comes to the on-time performance of Cancun International Airport, data shows 72.87% of flights complete their journey on time.

  • Central Cancun to Cancun International Airport is approximately 19 kilometres. Depending on traffic, it'll take you about 25 minutes to get there if you're driving, catching a cab or ride-sharing.

  • Get your journey off to a hassle-free start by staying near CUN. Whether you're taking an early flight from Cancun International Airport to San Antonio International Airport or just don't like being rushed, these stays are perfect:

Arriving at San Antonio International Airport (SAT)

Getting from San Antonio International Airport (SAT) to central San Antonio

  • You'll find SAT at 9800 Airport Boulevard.

  • San Antonio International Airport to the centre of San Antonio has a drive time of around 20 minutes. It's approximately 19 kilometres away.

  • When travelling by public transport, expect a journey of about 1 hour 30 minutes.

When to fly to San Antonio International Airport (SAT)

  • July is the busiest month for flights from Cancun International Airport to San Antonio International Airport. To skip the crowds, go to San Antonio in April.

  • The warmest month in San Antonio is August, with temperatures ranging between 23ºC and 40ºC. Book your flights from Cancun International Airport to San Antonio International Airport in this month if this is the kind of weather you like.

  • If you like cooler conditions, look for a cheap ticket from CUN to SAT in January. Temperatures average between 3ºC and 20ºC then.

Explore more of United States

  • Houston is just one of the many cities in United States waiting to be discovered after you've seen San Antonio. Around 306 kilometres away to the east, popular attractions include The Houston Museum of Natural Science, The Museum of Fine Arts, Houston, Beck Building and Hermann Park.

  • Around 402 kilometres north-east of San Antonio, Dallas is another essential stop in United States. Experience this destination's highlights firsthand at Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art.

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