Alaska Airlines Cheap Flights from Saint Louis to Mexico
Deals on one-way flights from Saint Louis to Mexico.*
Saint Louis (STL)to
Puerto Vallarta (PVR)Saint Louis (STL)to
Puerto Vallarta (PVR)Saint Louis (STL)to
Puerto Vallarta (PVR)Saint Louis (STL)to
Puerto Vallarta (PVR)Saint Louis (STL)to
Puerto Vallarta (PVR)*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.
One-way low-fare flights Saint Louis to Mexico.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Saint Louis (STL) | Puerto Vallarta (PVR) | One-way | Saver | Depart: Aug 14, 2026 | From $287 Seen: 12 hours ago | |
| Saint Louis (STL) | Puerto Vallarta (PVR) | One-way | Saver | Depart: Aug 2, 2026 | From $314 Seen: 12 hours ago | |
| Saint Louis (STL) | Puerto Vallarta (PVR) | One-way | Saver | Depart: Sep 6, 2026 | From $314 Seen: 12 hours ago | |
| Saint Louis (STL) | Puerto Vallarta (PVR) | One-way | Saver | Depart: Aug 4, 2026 | From $314 Seen: 12 hours ago | |
| Saint Louis (STL) | Puerto Vallarta (PVR) | One-way | Saver | Depart: Aug 3, 2026 | From $314 Seen: 12 hours ago | |
| Saint Louis (STL) | Puerto Vallarta (PVR) | One-way | Saver | Depart: Aug 30, 2026 | From $314 Seen: 12 hours ago |
*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.