Flights from San Antonio, TX to St. Louis, MO

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Best Deals on Flights From San Antonio, TX (SAT) to St. Louis, MO (STL)

Nov 2026
from$122*
Last seen: 12 hours ago
One-way/Economy
Dec 2026
from$122*
Last seen: 21 hours ago
One-way/Economy
Jan 2027
No results for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $122
Displaying fares for November-2026
  • SAT–STL: cmp-view-offers-disclaimer. Find Offers
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    NOV

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  • SAT–STL, Nov 13, 2026: from $122
    13

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    27

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  • SAT–STL, Nov 29, 2026: from $401
    29

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    DEC

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  • SAT–STL, Dec 3, 2026: from $122
    03

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  • SAT–STL, Dec 4, 2026: from $122
    04

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    • Range$122-$401

    *Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

    Flights Deals from San Antonio, TX to St. Louis, MO on Frontier

    $
    *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

    San Antonio, TX St. Louis, MO

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