Flights from Raleigh, NC to St. Louis, MO

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Best Deals on Flights From Raleigh, NC (RDU) to St. Louis, MO (STL)

Sep 2026
from$183*
Last seen: 6 hours ago
One-way/Economy
Oct 2026
from$81*
Last seen: 13 hours ago
One-way/Economy
Nov 2026
from$141*
Last seen: 10 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $108
Displaying fares for September-2026
  • RDU–STL: cmp-view-offers-disclaimer. Find Offers
    23

    Wed

    SEP

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    24

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    25

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  • RDU–STL, Sep 27, 2026: from $183
    27

    Sun

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    28

    Mon

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    29

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    Wed

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    01

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    OCT

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    05

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    06

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    07

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    08

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    09

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    10

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    11

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    12

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    13

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    14

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    15

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  • RDU–STL, Oct 16, 2026: from $120
    16

    Fri

  • RDU–STL: cmp-view-offers-disclaimer. Find Offers
    17

    Sat

  • RDU–STL, Oct 18, 2026: from $141
    18

    Sun

  • RDU–STL, Oct 19, 2026: from $108
    19

    Mon

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    20

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    • Range$108-$183

    *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 Raleigh, NC 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®.

    Raleigh, NC St. Louis, MO

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