Flights from St. Louis to Mexico

Our cheapest offers for flights from St. Louis to Mexico

Here you can compare cheap flights from St. Louis (STL) to Mexico for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Mexico. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
St. Louis
Puerto Vallarta
Outbound
04/12/25
1 Stopover (DEN)
F94567, F90068
14h 33min
Return
04/27/25
1 Stopover (YYZ)
AC1866, AC8969
23h 59min
Frontier Airlines
$457
St. Louis
Puerto Vallarta
Outbound
04/12/25
1 Stopover (DEN)
F94567, F90068
14h 33min
Return
04/27/25
1 Stopover (YYZ)
AC1866, AC8969
23h 59min
Frontier Airlines
$466
Best option
St. Louis
Puerto Vallarta
Outbound
04/12/25
1 Stopover (ATL)
AM5529, AM3162
06h 15min
Return
04/27/25
1 Stopover (MSP)
DL1817, DL1609
09h 24min
Aeroméxico ?
$517
Prices based on recent searches, subject to last-minute changes
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