Flights from St. Louis, MO to Cancun, MX

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Best Deals on Flights From St. Louis, MO (STL) to Cancun, MX (CUN)

*Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

Flights Deals from St. Louis, MO to Cancun, MX on Frontier

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Flights Deals from St. Louis, MO to Cancun, MX on Frontier
From
To
St. Louis, MO (STL)Cancun, MX (CUN)One-way
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Discount Den Basic Fare		Departing Jan 6, 2026

From

$90

Last seen: 4 hours ago

*Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

St. Louis, MO Cancun, MX

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