Flights from San Antonio, TX to Denver, CO

Promo Code

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

Try alternate month or interact with individual days below in order to find offers.
Aug 2026
No results for this month.
Sep 2026
from$48*
Last seen: 3 hours ago
One-way/Economy
Oct 2026
from$48*
Last seen: 7 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $48
cmp-daily-histogram-bars-legend-max-price-aria-label $251
Displaying fares for August-2026
  • SAT–DEN: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

    AUG

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

    Mon

  • SAT–DEN, Sep 1, 2026: from $159
    01

    Tue

    SEP

  • SAT–DEN, Sep 2, 2026: from $159
    02

    Wed

  • SAT–DEN, Sep 3, 2026: from $251
    03

    Thu

  • SAT–DEN, Sep 4, 2026: from $159
    04

    Fri

  • SAT–DEN: cmp-view-offers-disclaimer. Find Offers
    05

    Sat

  • SAT–DEN, Sep 6, 2026: from $184
    06

    Sun

  • SAT–DEN, Sep 7, 2026: from $169
    07

    Mon

  • SAT–DEN, Sep 8, 2026: from $149
    08

    Tue

  • SAT–DEN, Sep 9, 2026: from $149
    09

    Wed

  • SAT–DEN, Sep 10, 2026: from $188
    10

    Thu

  • SAT–DEN, Sep 11, 2026: from $149
    11

    Fri

  • SAT–DEN, Sep 12, 2026: from $155
    12

    Sat

  • SAT–DEN, Sep 13, 2026: from $129
    13

    Sun

  • SAT–DEN, Sep 14, 2026: from $129
    14

    Mon

  • SAT–DEN, Sep 15, 2026: from $116
    15

    Tue

  • SAT–DEN, Sep 16, 2026: from $110
    16

    Wed

  • SAT–DEN, Sep 17, 2026: from $159
    17

    Thu

  • SAT–DEN, Sep 18, 2026: from $129
    18

    Fri

  • SAT–DEN, Sep 19, 2026: from $69
    19

    Sat

  • SAT–DEN, Sep 20, 2026: from $110
    20

    Sun

  • SAT–DEN, Sep 21, 2026: from $89
    21

    Mon

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

    Tue

  • SAT–DEN, Sep 23, 2026: from $69
    23

    Wed

  • SAT–DEN, Sep 24, 2026: from $100
    24

    Thu

  • SAT–DEN: cmp-view-offers-disclaimer. Find Offers
    25

    Fri

  • SAT–DEN, Sep 26, 2026: from $48
    26

    Sat

  • SAT–DEN, Sep 27, 2026: from $116
    27

    Sun

  • SAT–DEN, Sep 28, 2026: from $89
    28

    Mon

  • SAT–DEN, Sep 29, 2026: from $69
    29

    Tue

    • Range$48-$251

    *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 San Antonio, TX to Denver, CO on Frontier

    $
    Flights Deals from San Antonio, TX to Denver, CO on Frontier
    From
    To
    San Antonio, TX (SAT)Denver, CO (DEN)One-way
    /
    Discount Den Basic Fare    		Departing Dec 8, 2026

    From

    $83

    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®.

    San Antonio, TX Denver, CO

    Explore Frontier's Top-Pick Destinations

    Barclays Badge

    Earn 60,000 Miles after qualifying activity. Terms apply.