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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 August , September 2026

23 Aug - 09 Sep $ 256.00
DEN
Denver
Frontier Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
DIRECT
DEN
Denver
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28 Aug - 23 Sep $ 283.00
DEN
Denver
Frontier Airlines
DIRECT
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
DIRECT
DEN
Denver
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17 Aug - 09 Sep $ 391.00
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

23 Aug - 01 Sep $ 322.00
DEN
Denver
Frontier Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
1 STOPS
DEN
Denver
Pick dates
28 Aug - 01 Sep $ 351.00
DEN
Denver
Frontier Airlines
DIRECT
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
1 STOPS
DEN
Denver
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21 Aug - 31 Aug $ 702.00
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

12:47 PM - 4:36 PM
Frontier Airlines
1 Stops
7h 42m
DEN - SAT
$ 179
Kiwi
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4:13 PM - 4:13 PM
Frontier Airlines
0 Stops
2h 18m
DEN - SAT
$ 207
Kiwi
Pick dates
9:35 AM - 9:35 AM
United Airlines
0 Stops
2h 8m
DEN - SAT
$ 394
Kiwi
Pick dates

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.