Flights from Denver, CO to San Antonio, TX

Promo Code

Best Deals on Flights From Denver, CO (DEN) to San Antonio, TX (SAT)

Aug 2026
from$53*
Last seen: 18 hours ago
One-way/Economy
Sep 2026
from$53*
Last seen: 21 hours ago
One-way/Economy
Oct 2026
from$53*
Last seen: 14 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $53
cmp-daily-histogram-bars-legend-max-price-aria-label $185
Displaying fares for August-2026
  • DEN–SAT: cmp-view-offers-disclaimer. Find Offers
    01

    Sat

    AUG

  • DEN–SAT: cmp-view-offers-disclaimer. Find Offers
    02

    Sun

  • DEN–SAT, Aug 3, 2026: from $185
    03

    Mon

  • DEN–SAT, Aug 4, 2026: from $179
    04

    Tue

  • DEN–SAT, Aug 5, 2026: from $179
    05

    Wed

  • DEN–SAT, Aug 6, 2026: from $179
    06

    Thu

  • DEN–SAT, Aug 7, 2026: from $179
    07

    Fri

  • DEN–SAT, Aug 8, 2026: from $169
    08

    Sat

  • DEN–SAT, Aug 9, 2026: from $169
    09

    Sun

  • DEN–SAT, Aug 10, 2026: from $169
    10

    Mon

  • DEN–SAT, Aug 11, 2026: from $169
    11

    Tue

  • DEN–SAT: cmp-view-offers-disclaimer. Find Offers
    12

    Wed

  • DEN–SAT: cmp-view-offers-disclaimer. Find Offers
    13

    Thu

  • DEN–SAT, Aug 14, 2026: from $135
    14

    Fri

  • DEN–SAT, Aug 15, 2026: from $135
    15

    Sat

  • DEN–SAT, Aug 16, 2026: from $64
    16

    Sun

  • DEN–SAT, Aug 17, 2026: from $135
    17

    Mon

  • DEN–SAT, Aug 18, 2026: from $135
    18

    Tue

  • DEN–SAT, Aug 19, 2026: from $135
    19

    Wed

  • DEN–SAT, Aug 20, 2026: from $119
    20

    Thu

  • DEN–SAT, Aug 21, 2026: from $73
    21

    Fri

  • DEN–SAT, Aug 22, 2026: from $53
    22

    Sat

  • DEN–SAT, Aug 23, 2026: from $53
    23

    Sun

  • DEN–SAT, Aug 24, 2026: from $73
    24

    Mon

  • DEN–SAT, Aug 25, 2026: from $53
    25

    Tue

  • DEN–SAT: cmp-view-offers-disclaimer. Find Offers
    26

    Wed

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

    Thu

  • DEN–SAT, Aug 28, 2026: from $73
    28

    Fri

  • DEN–SAT: cmp-view-offers-disclaimer. Find Offers
    29

    Sat

  • DEN–SAT: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

  • DEN–SAT: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

    • Range$53-$185

    *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 Denver, CO to San Antonio, TX on Frontier

    $
    Flights Deals from Denver, CO to San Antonio, TX on Frontier
    From
    To
    Denver, CO (DEN)San Antonio, TX (SAT)One-way
    /
    Discount Den Basic Fare    		Departing Nov 11, 2026

    From

    $64

    Last seen: 14 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®.

    Denver, CO San Antonio, TX

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