Cheapest return flights from St. Louis to Cancun in March from $368

AirHint found the following cheapest return flights from St. Louis (STL) to Cancun (CUN) in March 2026 (see full year).

Return flights

20 Mar - 28 Mar Volaris direct
05 Mar - 08 Mar Volaris direct
22 Mar - 27 Mar Air Canada
23 Mar - 27 Mar Air Canada
20 Mar - 27 Mar Air Canada
09 Mar - 14 Mar Frontier Airlines direct
09 Mar - 16 Mar Frontier Airlines direct
09 Mar - 15 Mar Frontier Airlines direct
23 Mar - 27 Mar Volaris direct
20 Mar - 27 Mar Frontier Airlines direct

Also check the deals for one-way flights from St. Louis to Cancun in March.

Powered by

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Cancun

Cheap car rent in Cancun

Feel free to contact us with any feedback or request another flight research.