Flights to South Texas from Denver - $60

View $60 flight on Sat, Sep 27, 2025Opens in a new window

Popular airlines from Denver to South Texas

  • United

    United

  • American Airlines

    American Airlines

  • Southwest Airlines

    Southwest Airlines

  • Delta

    Delta

  • Frontier Airlines

    Frontier Airlines

  • Alaska Airlines

    Alaska Airlines

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Cheap Flights from Denver to South Texas (DEN-HOU)

Prices were available within the past 7 days and start at $60 for one-way flights and $109 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Oct 11 - Sat, Oct 18
DEN
Denver
SAT
San Antonio
$109 Roundtrip, found 3 hours ago
$109
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sat, Oct 11 from Denver to San Antonio, returning Sat, Oct 18, priced at $109 found 3 hours ago
Frontier Airlines
Sun, Sep 7 - Sat, Sep 13
DEN
Denver
SAT
San Antonio
$111 Roundtrip, found 8 hours ago
$111
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Sun, Sep 7 from Denver to San Antonio, returning Sat, Sep 13, priced at $111 found 8 hours ago
United
Sat, Oct 25 - Sat, Nov 1
DEN
Denver
SAT
San Antonio
$157 Roundtrip, found 7 hours ago
$157
Roundtrip
found 7 hours ago
Select United flight, departing Sat, Oct 25 from Denver to San Antonio, returning Sat, Nov 1, priced at $157 found 7 hours ago
American Airlines
Thu, Sep 18 - Wed, Sep 24
COS
Colorado Springs
HRL
Harlingen
$197 Roundtrip, found 5 days ago
$197
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Sep 18 from Colorado Springs to Harlingen, returning Wed, Sep 24, priced at $197 found 5 days ago
Southwest Airlines
Fri, Oct 31 - Mon, Nov 3
DEN
Denver
HRL
Harlingen
$198 Roundtrip, found 3 days ago
$198
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Fri, Oct 31 from Denver to Harlingen, returning Mon, Nov 3, priced at $198 found 3 days ago
Delta
Sat, Aug 23 - Tue, Aug 26
COS
Colorado Springs
SAT
San Antonio
$227 Roundtrip, just found
$227
Roundtrip
just found
Select Delta flight, departing Sat, Aug 23 from Colorado Springs to San Antonio, returning Tue, Aug 26, priced at $227 just found

Find the cheapest month to fly from Denver (DEN) to San Antonio (SAT)

September is typically the cheapest month to fly

From $48 - $153 per traveler.

Graph displaying average flight prices per month

Alternative airports

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Antonio Intl. SAT. Cheapest option available. Flights from $190
SAT
San Antonio Intl.
Cheapest
Flights from $190
Select flight to Corpus Christi Intl. CRP. Flights from $402
CRP
Corpus Christi Intl.
Flights from $402
Select flight to Miller Intl. MFE. Flights from $252
MFE
Miller Intl.
Flights from $252
Select flight to Laredo Intl. LRD. Flights from $384
LRD
Laredo Intl.
Flights from $384
Select flight to Valley Intl. HRL. Flights from $243
HRL
Valley Intl.
Flights from $243
Select flight to Brownsville-South Padre Island Intl. BRO. Flights from $354
BRO
Brownsville-South Padre Island Intl.
Flights from $354
Select flight to General Lucio Blanco Intl. REX. Flights from $996
REX
General Lucio Blanco Intl.
Flights from $996
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