Alaska Airlines Cheap Flights from Saint Louis to Mexico

Deals on one-way flights from Saint Louis to Mexico.*

$
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Saint Louis (STL)to

Puerto Vallarta (PVR)
Depart: Sep 12, 2025
From
$270
Seen: 1 hour ago
One-way
Saver

Saint Louis (STL)to

Puerto Vallarta (PVR)
Depart: Sep 5, 2025
From
$270
Seen: 1 hour ago
One-way
Saver

Saint Louis (STL)to

Puerto Vallarta (PVR)
Depart: Sep 13, 2025
From
$300
Seen: 1 hour ago
One-way
Saver

Saint Louis (STL)to

Puerto Vallarta (PVR)
Depart: Sep 6, 2025
From
$313
Seen: 1 hour ago
One-way
Saver

Saint Louis (STL)to

Puerto Vallarta (PVR)
Depart: Sep 19, 2025
From
$313
Seen: 1 hour ago
One-way
Saver

*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.

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One-way low-fare flights Saint Louis to Mexico.*

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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: Feb 7, 2026

From

$249

Seen: 1 hour ago

Saint Louis (STL)Puerto Vallarta (PVR)One-way
|
Saver
Depart: Jan 24, 2026

From

$249

Seen: 1 hour ago

Saint Louis (STL)Puerto Vallarta (PVR)One-way
|
Saver
Depart: Jan 31, 2026

From

$249

Seen: 1 hour ago

Saint Louis (STL)Puerto Vallarta (PVR)One-way
|
Saver
Depart: Oct 7, 2025

From

$253

Seen: 1 hour ago

Saint Louis (STL)Puerto Vallarta (PVR)One-way
|
Saver
Depart: Oct 14, 2025

From

$253

Seen: 1 hour ago

Saint Louis (STL)Puerto Vallarta (PVR)One-way
|
Saver
Depart: Oct 13, 2025

From

$253

Seen: 1 hour 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.