Search & Compare - Denver to San Antonio Flights & Tickets

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    Cheap flights from Denver to San Antonio (DEN to SAT)

    Looking for a cheap last-minute deal or the best round-trip flight from Denver to San Antonio? Find the biggest savings on one-way and round-trip tickets right here.

    Recent airfare deals on Denver to San Antonio

    Frontier Airlines  F9
    Frontier Airlines
    Denver
    2025-04-22
    San Antonio
    2025-04-29
    USD 64

    Round Trip F9 Nonstop Economy fare found on 2025-04-02
    Frontier Airlines  F9
    Frontier Airlines
    Denver
    2025-04-22
    San Antonio
    2025-04-29
    USD 64

    Round Trip F9 Nonstop Economy fare found on 2025-04-02
    Frontier Airlines  F9
    Frontier Airlines
    Denver
    2025-04-27
    San Antonio
    USD 65

    One-way F9 Nonstop Economy fare found on 2025-03-29
    Frontier Airlines  F9
    Frontier Airlines
    Denver
    2025-04-27
    San Antonio
    USD 65

    One-way F9 Nonstop Economy fare found on 2025-03-29
    Southwest Airlines  WN
    Southwest Airlines
    Denver
    2025-04-27
    San Antonio
    USD 79

    One-way WN Nonstop Economy fare found on 2025-03-29
    Southwest Airlines  WN
    Southwest Airlines
    Denver
    2025-04-27
    San Antonio
    USD 79

    One-way WN Nonstop Economy fare found on 2025-03-29
    Frontier Airlines  F9
    Frontier Airlines
    Denver
    2025-04-24
    San Antonio
    2025-04-28
    USD 83

    Round Trip F9 Nonstop Economy fare found on 2025-03-11
    Frontier Airlines  F9
    Frontier Airlines
    Denver
    2025-04-24
    San Antonio
    2025-04-28
    USD 83

    Round Trip F9 Nonstop Economy fare found on 2025-03-10
    Frontier Airlines  F9
    Frontier Airlines
    Denver
    2025-04-27
    San Antonio
    USD 84

    One-way F9 Nonstop Economy fare found on 2025-03-29
    Frontier Airlines  F9
    Frontier Airlines
    Denver
    2025-04-27
    San Antonio
    USD 84

    One-way F9 Nonstop Economy fare found on 2025-03-29


    *Prices are per person and are for e-tickets and include all taxes & fees in USD.
    *Fareleaders always attempts to get accurate pricing, however, prices are not guaranteed.
    *Fareleaders is not seller, we aggregate tones of data for you from other online travel agencies and external sources.

    Facts to know while booking flights from Denver to San Antonio

    What are the airports in Denver?
    What’s the most popular airline flying from DEN to SAT?
    Can I fly from DEN to SAT non-stop?
    Which airlines fly nonstop between Denver and San Antonio?
    What’s the earliest departure time from DEN to SAT Airport?
    What are the airports in San Antonio?
    Can I make changes to my Denver to San Antonio flight tickets or cancel them on FareLeaders.com?
    Can I cancel my flight tickets from DEN to SAT?
    Which airline alliances offer flights from Denver and San Antonio?
    How long does a flight from Denver to San Antonio take?
    Which airlines provide the cheapest flights from Denver (DEN) to San Antonio (SAT) ?
    Do I need a passport to fly between DEN and SAT?
    What’s the latest departure time from DEN to SAT ?

    Flights from Denver to San Antonio

    Origin AirportDenver International , Denver, US
    Destination AirportSan Antonio International , San Antonio, US
    Served by AirlinesAmerican Airlines, Southwest Airlines, Frontier Airlines, United Airlines, Delta Airlines
    Lowest PriceFrontier Airlines : USD 64
    Distance794 miles

    Airlines Flying from Denver International

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