Southwest® flights from St. Louis to Mexico
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Popular flight deals and low fares from St. Louis
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St. Louis (STL)to
Los Cabos (SJD)Depart: 08/25/2026
From
$226
Seen: 2 hrs ago
One-way
Basic
St. Louis (STL)to
Puerto Vallarta (PVR)Depart: 08/26/2026
From
$260
Seen: 18 hrs ago
One-way
Basic
St. Louis (STL)to
Cancun (CUN)Depart: 08/23/2026
From
$261
Seen: 14 hrs ago
One-way
Basic
*Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.
Shop more flights from St. Louis
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| St. Louis (STL) | Los Cabos (SJD) | One-way / Basic | Depart: 09/13/2026 | From $184 Seen: 12 hrs ago |
| St. Louis (STL) | Puerto Vallarta (PVR) | One-way / Basic | Depart: 02/08/2027 | From $260 Seen: 22 minutes ago |
| St. Louis (STL) | Cancun (CUN) | One-way / Basic | Depart: 11/15/2026 | From $260 Seen: 1 hour ago |
*Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.
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