Find the Cheapest Flights from Denver to San Antonio International Airport

Unlock the cheapest flights and the best airfares from Denver to San Antonio International Airport. Make your dream trip both memorable and affordable!

Sun, Mar 30DEN-SAT
Frontier Airlines

oneway$73

Sun, Mar 30DEN-SAT
Frontier Airlines

oneway$76

Sun, Mar 30DEN-SAT
United Airlines

oneway$116

Mon, Mar 31DEN-SAT
Southwest Airlines

oneway$122

Sun, Mar 30DEN-SAT
Southwest Airlines

oneway$122

Sun, Mar 30DEN-SAT
American Airlines

oneway$123

Mon, Mar 31DEN-SAT
Frontier Airlines

oneway$130

Mon, Mar 31DEN-SAT
American Airlines

oneway$134

Mon, Mar 31DEN-SAT
United Airlines

oneway$140

Sun, Mar 30DEN-SAT
Delta Air Lines

oneway$141

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Denver to San Antonio International Airport: Flight information

Cheapest flight found$73

Cheapest month to flyMarch

Most popular airlineFrontier Airlines

Flights per week3

Popular Airlines flying from
Denver to San Antonio International Airport

From	To	Fare Type	Departure	Price
Denver San Antonio International Airport oneway / Economy Mar 30, 2025 $73 Viewed: 7 days ago
Denver San Antonio International Airport oneway / Economy Mar 30, 2025 $76 Viewed: 7 days ago
Denver San Antonio International Airport oneway / Economy Mar 11, 2024 $77 Viewed: a year ago
Denver San Antonio International Airport oneway / Economy May 26, 2024 $99 Viewed: 10 months ago
Denver San Antonio International Airport oneway / Economy Feb 21, 2024 $101 Viewed: a year ago
Denver San Antonio International Airport oneway / Economy Mar 31, 2025 $147 Viewed: 7 days ago
Denver San Antonio International Airport oneway / Economy Dec 09, 2023 $190 Viewed: a year ago
Denver San Antonio International Airport oneway / Economy Dec 09, 2023 $190 Viewed: a year ago
Denver San Antonio International Airport oneway / Economy Dec 09, 2023 $190 Viewed: a year ago
Denver San Antonio International Airport oneway / Economy Aug 04, 2023 $326 Viewed: 2 years ago

From

Denver

Mar 30, 2025

To

San Antonio International Airport

oneway / Economy

$73

Viewed: 7 days ago

From

Denver

Mar 30, 2025

To

San Antonio International Airport

oneway / Economy

$76

Viewed: 7 days ago

From

Denver

Mar 11, 2024

To

San Antonio International Airport

oneway / Economy

$77

Viewed: a year ago

From

Denver

May 26, 2024

To

San Antonio International Airport

oneway / Economy

$99

Viewed: 10 months ago

From

Denver

Feb 21, 2024

To

San Antonio International Airport

oneway / Economy

$101

Viewed: a year ago

From

Denver

Mar 31, 2025

To

San Antonio International Airport

oneway / Economy

$147

Viewed: 7 days ago

From

Denver

Dec 09, 2023

To

San Antonio International Airport

oneway / Economy

$190

Viewed: a year ago

From

Denver

Dec 09, 2023

To

San Antonio International Airport

oneway / Economy

$190

Viewed: a year ago

From

Denver

Dec 09, 2023

To

San Antonio International Airport

oneway / Economy

$190

Viewed: a year ago

From

Denver

Aug 04, 2023

To

San Antonio International Airport

oneway / Economy

$326

Viewed: 2 years ago

Cheapest flight found

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