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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 Cancun (CUN)

	Outbound	Return	Airlines	Price
St. Louis Cancun	Outbound 12/13/24 1 Stopover (DEN) F94567, F90070 17h 22min	Return 12/31/24 1 Stopover (DFW) F90083, F94742 25h 18min	Frontier Airlines	$355
Best option St. Louis Cancun	Outbound 12/13/24 direct F90086 03h 23min	Return 12/31/24 direct F90087 03h 24min	Frontier Airlines	$965
St. Louis Cancun	Outbound 12/13/24 1 Stopover (DEN) F94567, F90070 17h 22min	Return 12/31/24 1 Stopover (DFW) F90083, F94742 25h 18min	Frontier Airlines	$366

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

	Outbound	Return	Airlines	Baggage	Price
St. Louis Puerto Vallarta	Outbound 12/13/24 2 Stopovers (ORD, IAH) UA2144, UA2651, UA1106 17h 10min	Return 12/31/24 2 Stopovers (IAH, ORD) UA0234, UA0222, UA2618 22h 25min	United Airlines	?	$441
St. Louis Puerto Vallarta	Outbound 12/13/24 2 Stopovers (ORD, IAH) UA2144, UA2665, UA1106 17h 10min	Return 12/31/24 2 Stopovers (IAH, DEN) UA0234, UA2436, UA0604 28h 59min	United Airlines	?	$468
St. Louis Puerto Vallarta	Outbound 12/13/24 2 Stopovers (DFW, PHX) AA2490, AA0474, AA0554 19h 42min	Return 12/31/24 2 Stopovers (PHX, DFW) AA0435, AA1673, AA2491 27h 44min	American Airlines	?	$486