Flights from St. Louis, MO to Las Vegas, NV

Promo Code

Best Deals on Flights From St. Louis, MO (STL) to Las Vegas, NV (LAS)

Sep 2026
from$221*
Last seen: 8 hours ago
One-way/Economy
Oct 2026
from$77*
Last seen: 12 hours ago
One-way/Economy
Nov 2026
from$77*
Last seen: 2 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $83
cmp-daily-histogram-bars-legend-max-price-aria-label $403
Displaying fares for September-2026
  • STL–LAS: cmp-view-offers-disclaimer. Find Offers
    24

    Thu

    SEP

  • STL–LAS: cmp-view-offers-disclaimer. Find Offers
    25

    Fri

  • STL–LAS, Sep 26, 2026: from $234
    26

    Sat

  • STL–LAS, Sep 27, 2026: from $240
    27

    Sun

  • STL–LAS, Sep 28, 2026: from $234
    28

    Mon

  • STL–LAS, Sep 29, 2026: from $221
    29

    Tue

  • STL–LAS, Sep 30, 2026: from $221
    30

    Wed

  • STL–LAS, Oct 1, 2026: from $234
    01

    Thu

    OCT

  • STL–LAS, Oct 2, 2026: from $234
    02

    Fri

  • STL–LAS, Oct 3, 2026: from $212
    03

    Sat

  • STL–LAS, Oct 4, 2026: from $212
    04

    Sun

  • STL–LAS, Oct 5, 2026: from $212
    05

    Mon

  • STL–LAS, Oct 6, 2026: from $83
    06

    Tue

  • STL–LAS, Oct 7, 2026: from $133
    07

    Wed

  • STL–LAS, Oct 8, 2026: from $403
    08

    Thu

  • STL–LAS, Oct 9, 2026: from $185
    09

    Fri

  • STL–LAS, Oct 10, 2026: from $117
    10

    Sat

  • STL–LAS: cmp-view-offers-disclaimer. Find Offers
    11

    Sun

  • STL–LAS, Oct 12, 2026: from $223
    12

    Mon

  • STL–LAS: cmp-view-offers-disclaimer. Find Offers
    13

    Tue

  • STL–LAS, Oct 14, 2026: from $163
    14

    Wed

  • STL–LAS, Oct 15, 2026: from $211
    15

    Thu

  • STL–LAS, Oct 16, 2026: from $134
    16

    Fri

  • STL–LAS, Oct 17, 2026: from $87
    17

    Sat

  • STL–LAS, Oct 18, 2026: from $211
    18

    Sun

  • STL–LAS, Oct 19, 2026: from $92
    19

    Mon

  • STL–LAS: cmp-view-offers-disclaimer. Find Offers
    20

    Tue

  • STL–LAS, Oct 21, 2026: from $148
    21

    Wed

  • STL–LAS, Oct 22, 2026: from $191
    22

    Thu

  • STL–LAS, Oct 23, 2026: from $104
    23

    Fri

    • Range$83-$403

    *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 St. Louis, MO to Las Vegas, NV on Frontier

    $
    Flights Deals from St. Louis, MO to Las Vegas, NV on Frontier
    From
    To
    St. Louis, MO (STL)Las Vegas, NV (LAS)One-way
    /
    Discount Den Basic Fare    		Departing Jan 20, 2027

    From

    $77

    Last seen: 16 hours ago

    *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®.

    St. Louis, MO Las Vegas, NV

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