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: 09/14/2026
From
$222
Seen: 21 hrs ago
One-way
Basic
St. Louis (STL)to
Cancun (CUN)Depart: 09/13/2026
From
$235
Seen: 15 hrs ago
One-way
Basic
St. Louis (STL)to
Puerto Vallarta (PVR)Depart: 09/18/2026
From
$304
Seen: 15 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: 02/21/2027 | From $194 Seen: 21 hrs ago |
| St. Louis (STL) | Cancun (CUN) | One-way / Basic | Depart: 01/10/2027 | From $230 Seen: 22 hrs ago |
| St. Louis (STL) | Puerto Vallarta (PVR) | One-way / Basic | Depart: 02/15/2027 | From $270 Seen: 20 hrs 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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