Cheapest return flights from St. Louis to Cancun in May from 290€

Best time to book flights for St. Louis (STL) to Cancun (CUN) flights at AirHint

AirHint found the following cheapest return flights from St. Louis (STL) to Cancun (CUN) in May 2025 (see full year).

Return flights

12 May - 19 May Frontier Airlines
15 May - 19 May Frontier Airlines
07 May - 11 May Frontier Airlines direct
08 May - 13 May Spirit Airlines
08 May - 13 May Frontier Airlines direct
12 May - 19 May Frontier Airlines direct
15 May - 18 May Frontier Airlines
15 May - 18 May Frontier Airlines direct
15 May - 19 May Frontier Airlines direct
23 May - 31 May Frontier Airlines direct
30 May - 03 Jun Delta
31 May - 06 Jun United
31 May - 06 Jun Frontier Airlines direct

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

Skyscanner

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.

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