Cheap flights from San Antonio to Cancun

One-way fares from $124 · SAT → CUN · prices found by travellers in the last 48 hours

Cheapest fare
$124

Viva Aerobus · Wed, Dec 9

Cheapest month
December

from $124

Direct flights
Not recently

Usually 1+ stop

Quickest trip
3h 30m

1,490 km

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Cheapest month to fly from San Antonio to Cancun

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. December 2026 Cheapest $124

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

Viva Aerobus
Depart11:00 Wed, Dec 9SAT → CUN 3h 30m · 1 stop
$124one way, per person
View deal
See every date in December 2026 →

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About flights from San Antonio to Cancun

San Antonio (SAT) and Cancun (CUN) are about 1,490 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 3h 30m. Over the next few months, one-way fares start from $124, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from San Antonio to Cancun?

The cheapest one-way fare we've seen recently is $124 with Viva Aerobus, departing Wednesday, December 9, 2026.

What is the cheapest month to fly from San Antonio to Cancun?

December 2026 currently has the lowest fares, from $124 one way.

Are there direct flights from San Antonio to Cancun?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from San Antonio to Cancun?

The quickest journey we've seen takes about 3h 30m. San Antonio and Cancun are around 1,490 km apart.

Which airlines fly from San Antonio to Cancun?

Recent fares on this route were with Viva Aerobus.

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