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)

Aug 2026
from$94*
Last seen: 11 mins ago
One-way/Economy
Sep 2026
from$60*
Last seen: 22 hours ago
One-way/Economy
Oct 2026
from$73*
Last seen: 1 hour ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $87
cmp-daily-histogram-bars-legend-max-price-aria-label $199
Displaying fares for August-2026
  • STL–LAS: cmp-view-offers-disclaimer. Find Offers
    09

    Sun

    AUG

  • STL–LAS: cmp-view-offers-disclaimer. Find Offers
    10

    Mon

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

    Tue

  • STL–LAS, Aug 12, 2026: from $199
    12

    Wed

  • STL–LAS, Aug 13, 2026: from $199
    13

    Thu

  • STL–LAS, Aug 14, 2026: from $199
    14

    Fri

  • STL–LAS, Aug 15, 2026: from $189
    15

    Sat

  • STL–LAS, Aug 16, 2026: from $94
    16

    Sun

  • STL–LAS, Aug 17, 2026: from $189
    17

    Mon

  • STL–LAS: cmp-view-offers-disclaimer. Find Offers
    18

    Tue

  • STL–LAS: cmp-view-offers-disclaimer. Find Offers
    19

    Wed

  • STL–LAS, Aug 20, 2026: from $189
    20

    Thu

  • STL–LAS, Aug 21, 2026: from $189
    21

    Fri

  • STL–LAS, Aug 22, 2026: from $189
    22

    Sat

  • STL–LAS, Aug 23, 2026: from $150
    23

    Sun

  • STL–LAS, Aug 24, 2026: from $184
    24

    Mon

  • STL–LAS, Aug 25, 2026: from $174
    25

    Tue

  • STL–LAS: cmp-view-offers-disclaimer. Find Offers
    26

    Wed

  • STL–LAS, Aug 27, 2026: from $184
    27

    Thu

  • STL–LAS, Aug 28, 2026: from $184
    28

    Fri

  • STL–LAS: cmp-view-offers-disclaimer. Find Offers
    29

    Sat

  • STL–LAS, Aug 30, 2026: from $142
    30

    Sun

  • STL–LAS, Aug 31, 2026: from $94
    31

    Mon

  • STL–LAS, Sep 1, 2026: from $94
    01

    Tue

    SEP

  • STL–LAS: cmp-view-offers-disclaimer. Find Offers
    02

    Wed

  • STL–LAS, Sep 3, 2026: from $172
    03

    Thu

  • STL–LAS, Sep 4, 2026: from $172
    04

    Fri

  • STL–LAS: cmp-view-offers-disclaimer. Find Offers
    05

    Sat

  • STL–LAS, Sep 6, 2026: from $87
    06

    Sun

  • STL–LAS, Sep 7, 2026: from $142
    07

    Mon

  • STL–LAS, Sep 8, 2026: from $139
    08

    Tue

    • Range$87-$199

    *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 Nov 9, 2026

    From

    $81

    Last seen: 3 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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