Southwest® flights from Denver to San Antonio from $145

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Low fares from Denver to San Antonio

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Denver (DEN)to

San Antonio (SAT)
Depart: 12/19/2026

One-way

Basic

From
$145
Seen: 13 hrs ago

Denver (DEN)to

San Antonio (SAT)
Depart: 01/27/2027

One-way

Basic

From
$145
Seen: 14 hrs ago

Denver (DEN)to

San Antonio (SAT)
Depart: 02/10/2027

One-way

Basic

From
$145
Seen: 7 hrs ago

Denver (DEN)to

San Antonio (SAT)
Depart: 12/08/2026

One-way

Basic

From
$145
Seen: 12 hrs ago

Denver (DEN)to

San Antonio (SAT)
Depart: 12/02/2026

One-way

Basic

From
$145
Seen: 18 hrs ago

Denver (DEN)to

San Antonio (SAT)
Depart: 12/05/2026

One-way

Basic

From
$145
Seen: 10 hrs ago

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Explore flights from Denver to San Antonio

Nov 2026
From$305*
Seen: 23 hrs ago
One Way/Basic
Dec 2026
From$145*
Seen: 12 hrs ago
One Way/Basic
Jan 2027
From$145*
Seen: 8 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $145
cmp-daily-histogram-bars-legend-max-price-aria-label $529
Displaying fares for November-2026
  • DEN–SAT: cmp-view-offers-disclaimer. Find Offers
    12

    Thu

    NOV

  • DEN–SAT, 11/13/2026: From $529
    13

    Fri

  • DEN–SAT, 11/14/2026: From $529
    14

    Sat

  • DEN–SAT, 11/15/2026: From $529
    15

    Sun

  • DEN–SAT, 11/16/2026: From $529
    16

    Mon

  • DEN–SAT, 11/17/2026: From $529
    17

    Tue

  • DEN–SAT, 11/18/2026: From $470
    18

    Wed

  • DEN–SAT, 11/19/2026: From $470
    19

    Thu

  • DEN–SAT, 11/20/2026: From $470
    20

    Fri

  • DEN–SAT, 11/21/2026: From $470
    21

    Sat

  • DEN–SAT: cmp-view-offers-disclaimer. Find Offers
    22

    Sun

  • DEN–SAT: cmp-view-offers-disclaimer. Find Offers
    23

    Mon

  • DEN–SAT: cmp-view-offers-disclaimer. Find Offers
    24

    Tue

  • DEN–SAT, 11/25/2026: From $305
    25

    Wed

  • DEN–SAT, 11/26/2026: From $305
    26

    Thu

  • DEN–SAT: cmp-view-offers-disclaimer. Find Offers
    27

    Fri

  • DEN–SAT: cmp-view-offers-disclaimer. Find Offers
    28

    Sat

  • DEN–SAT, 11/29/2026: From $335
    29

    Sun

  • DEN–SAT, 11/30/2026: From $335
    30

    Mon

  • DEN–SAT, 12/01/2026: From $305
    01

    Tue

    DEC

  • DEN–SAT, 12/02/2026: From $145
    02

    Wed

  • DEN–SAT, 12/03/2026: From $165
    03

    Thu

  • DEN–SAT, 12/04/2026: From $180
    04

    Fri

  • DEN–SAT, 12/05/2026: From $145
    05

    Sat

  • DEN–SAT, 12/06/2026: From $271
    06

    Sun

  • DEN–SAT, 12/07/2026: From $165
    07

    Mon

  • DEN–SAT, 12/08/2026: From $145
    08

    Tue

  • DEN–SAT, 12/09/2026: From $145
    09

    Wed

  • DEN–SAT, 12/10/2026: From $165
    10

    Thu

  • DEN–SAT: cmp-view-offers-disclaimer. Find Offers
    11

    Fri

    • Range$145-$529

    *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:
    Denver International Airport
    Arriving at:
    San Antonio International Airport
    Average flight time:
    2 hours 7 minutes
    Distance:
    794 miles

    Questions we hear the most

    The average flight time from Denver to San Antonio is 2 hours 7 minutes.
    There are 156 weekly flights from Denver to San Antonio on Southwest Airlines.
    Yes, Southwest flies nonstop from Denver to San Antonio 4 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Denver to San Antonio 3 times per day on Saturdays and 4 times per day on Sundays.
    To find the lowest fares by day and time to fly Denver to San Antonio with Southwest, check out our Low Fare Calendar.
    You can rent a car at San Antonio International Airport book yours with your flight.
    Yes! Flights from Denver to San Antonio—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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