Southwest® flights from St. Louis to Orange County/Santa Ana from $171

Promo Code

Low fares from St. Louis to Orange County/Santa Ana

$

St. Louis (STL)to

Orange County/Santa Ana (SNA)
Depart: 11/17/2026

One-way

Basic

From
$171
Seen: 8 hrs ago

St. Louis (STL)to

Orange County/Santa Ana (SNA)
Depart: 11/16/2026

One-way

Basic

From
$171
Seen: 23 hrs ago

St. Louis (STL)to

Orange County/Santa Ana (SNA)
Depart: 12/15/2026

One-way

Basic

From
$171
Seen: 23 hrs ago

St. Louis (STL)to

Orange County/Santa Ana (SNA)
Depart: 11/23/2026

One-way

Basic

From
$171
Seen: 20 hrs ago

St. Louis (STL)to

Orange County/Santa Ana (SNA)
Depart: 11/14/2026

One-way

Basic

From
$171
Seen: 9 hrs ago

St. Louis (STL)to

Orange County/Santa Ana (SNA)
Depart: 12/09/2026

One-way

Basic

From
$171
Seen: 18 hrs ago

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Explore flights from St. Louis to Orange County/Santa Ana

Oct 2026
From$534*
Seen: 11 hrs ago
One Way/Basic
Nov 2026
From$171*
Seen: 23 hrs ago
One Way/Basic
Dec 2026
From$171*
Seen: 11 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $171
cmp-daily-histogram-bars-legend-max-price-aria-label $624
Displaying fares for October-2026
  • STL–SNA, 10/22/2026: From $624
    22

    Thu

    OCT

  • STL–SNA, 10/23/2026: From $624
    23

    Fri

  • STL–SNA: cmp-view-offers-disclaimer. Find Offers
    24

    Sat

  • STL–SNA, 10/25/2026: From $624
    25

    Sun

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

    Mon

  • STL–SNA, 10/27/2026: From $624
    27

    Tue

  • STL–SNA, 10/28/2026: From $534
    28

    Wed

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

    Thu

  • STL–SNA: cmp-view-offers-disclaimer. Find Offers
    30

    Fri

  • STL–SNA, 10/31/2026: From $534
    31

    Sat

  • STL–SNA, 11/01/2026: From $534
    01

    Sun

    NOV

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

    Mon

  • STL–SNA, 11/03/2026: From $534
    03

    Tue

  • STL–SNA, 11/04/2026: From $314
    04

    Wed

  • STL–SNA, 11/05/2026: From $314
    05

    Thu

  • STL–SNA, 11/06/2026: From $360
    06

    Fri

  • STL–SNA, 11/07/2026: From $314
    07

    Sat

  • STL–SNA, 11/08/2026: From $314
    08

    Sun

  • STL–SNA, 11/09/2026: From $198
    09

    Mon

  • STL–SNA, 11/10/2026: From $171
    10

    Tue

  • STL–SNA, 11/11/2026: From $171
    11

    Wed

  • STL–SNA, 11/12/2026: From $280
    12

    Thu

  • STL–SNA, 11/13/2026: From $177
    13

    Fri

  • STL–SNA, 11/14/2026: From $171
    14

    Sat

  • STL–SNA, 11/15/2026: From $177
    15

    Sun

  • STL–SNA, 11/16/2026: From $171
    16

    Mon

  • STL–SNA, 11/17/2026: From $171
    17

    Tue

  • STL–SNA, 11/18/2026: From $171
    18

    Wed

  • STL–SNA, 11/19/2026: From $269
    19

    Thu

  • STL–SNA, 11/20/2026: From $220
    20

    Fri

  • STL–SNA: cmp-view-offers-disclaimer. Find Offers
    21

    Sat

    • Range$171-$624

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Lambert-St Louis Int'l Airport
    Arriving at:
    John Wayne Airport
    Distance:
    1569 miles

    Questions we hear the most

    There are 152 weekly flights from St. Louis to Orange County/Santa Ana on Southwest Airlines.
    To find the lowest fares by day and time to fly St. Louis to Orange County/Santa Ana with Southwest, check out our Low Fare Calendar.
    You can rent a car at John Wayne Airport book yours with your flight.
    Yes! Flights from St. Louis to Orange County/Santa Ana—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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