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.

Flights from St. Louis (STL) to Puerto Vallarta (PVR)

	Outbound	Return	Airlines	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 04/26/25 2 Stopovers (ORD, IAH) UA1156, UA2665, UA1622 18h 09min	Return 05/23/25 2 Stopovers (IAH, ORD) UA1166, UA2616, UA3473 21h 24min	United Airlines	?	$465
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