Flights from San Diego, CA to St. Louis, MO

Promo Code

Best Deals on Flights From San Diego, CA (SAN) to St. Louis, MO (STL)

Nov 2026
from$148*
Last seen: 17 hours ago
One-way/Economy
Dec 2026
from$102*
Last seen: 12 hours ago
One-way/Economy
Jan 2027
from$343*
Last seen: 10 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $148
Displaying fares for November-2026
  • SAN–STL: cmp-view-offers-disclaimer. Find Offers
    07

    Sat

    NOV

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  • SAN–STL, Nov 11, 2026: from $213
    11

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  • SAN–STL, Nov 15, 2026: from $148
    15

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    24

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    25

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    26

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    27

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  • SAN–STL, Nov 29, 2026: from $264
    29

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    30

    Mon

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    01

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    DEC

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    • Range$148-$264

    *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 Diego, CA 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 Diego, CA St. Louis, MO

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