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

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Denver (DEN) to San Antonio (SAT)

How to find the cheapest flight from Denver (DEN) to San Antonio (SAT)
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How to find the cheapest flight from Denver (DEN) to San Antonio (SAT)
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How to find the cheapest flight from Denver (DEN) to San Antonio (SAT)
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Cheap flights from Denver to San Antonio in April , May 2026

29 Apr - 20 May $ 56.00
DEN
Denver
Frontier Airlines
DIRECT
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
DIRECT
DEN
Denver
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12 Apr - 06 May $ 145.00
DEN
Denver
Frontier Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
DIRECT
DEN
Denver
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11 Apr - 03 May $ 298.00
DEN
Denver
Frontier Airlines
DIRECT
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
DIRECT
DEN
Denver
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Last minute flights from Denver to San Antonio

29 Apr - 30 Apr $ 134.00
DEN
Denver
Frontier Airlines
DIRECT
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
DIRECT
DEN
Denver
Pick dates
10 Apr - 30 Apr $ 223.00
DEN
Denver
Frontier Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
DIRECT
DEN
Denver
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12 Apr - 30 Apr $ 423.00
DEN
Denver
United Airlines
DIRECT
SAT
San Antonio
SAT
San Antonio
United Airlines
DIRECT
DEN
Denver
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One-way flights to San Antonio from Denver

12:35 PM - 12:35 PM
Frontier Airlines
0 Stops
2h 18m
DEN - SAT
$ 28
Kiwi
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7:10 PM - 6:00 AM
Frontier Airlines
1 Stops
14h 33m
DEN - SAT
$ 117
Kiwi
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9:44 AM - 9:44 AM
United Airlines
0 Stops
2h 16m
DEN - SAT
$ 244
Kiwi
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How to find the cheapest flight from Denver (DEN) to San Antonio (SAT)

Related info for your journey
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How to find the cheapest flight from Denver (DEN) to San Antonio (SAT)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Denver (DEN) to San Antonio (SAT)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.