Flights from New Orleans, LA to St. Louis, MO

Promo Code

Best Deals on Flights From New Orleans, LA (MSY) to St. Louis, MO (STL)

Oct 2026
from$173*
Last seen: 14 hours ago
One-way/Economy
Nov 2026
from$79*
Last seen: 50 mins ago
One-way/Economy
Dec 2026
No results for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $173
Displaying fares for October-2026
  • MSY–STL: cmp-view-offers-disclaimer. Find Offers
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    OCT

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  • MSY–STL, Oct 3, 2026: from $220
    03

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  • MSY–STL, Oct 4, 2026: from $220
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  • MSY–STL, Oct 8, 2026: from $220
    08

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  • MSY–STL, Oct 9, 2026: from $214
    09

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    16

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    Sat

  • MSY–STL, Oct 18, 2026: from $188
    18

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    19

    Mon

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    23

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  • MSY–STL, Oct 25, 2026: from $173
    25

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    Sat

    • Range$173-$220

    *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 New Orleans, LA 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®.

    New Orleans, LA St. Louis, MO

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