Flights from St. Louis to San Antonio

Cheapest flights from St. Louis

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Aug 25 - Thu, Aug 28

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$222 Roundtrip, found 13 hours ago

$222

Roundtrip

found 13 hours ago

Select United flight, departing Mon, Aug 25 from Lambert-St. Louis Intl. to San Antonio Intl., returning Thu, Aug 28, priced at $222 found 13 hours ago

Sat, Aug 23 - Tue, Aug 26

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$227 Roundtrip, found 18 hours ago

$227

Roundtrip

found 18 hours ago

Select Delta flight, departing Sat, Aug 23 from Lambert-St. Louis Intl. to San Antonio Intl., returning Tue, Aug 26, priced at $227 found 18 hours ago

Mon, Aug 25 - Thu, Aug 28

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$232 Roundtrip, found 13 hours ago

$232

Roundtrip

found 13 hours ago

Select American Airlines flight, departing Mon, Aug 25 from Lambert-St. Louis Intl. to San Antonio Intl., returning Thu, Aug 28, priced at $232 found 13 hours ago

Fri, Aug 22 - Tue, Aug 26

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$234 Roundtrip, found 18 hours ago

$234

Roundtrip

found 18 hours ago

Select Delta flight, departing Fri, Aug 22 from Lambert-St. Louis Intl. to San Antonio Intl., returning Tue, Aug 26, priced at $234 found 18 hours ago

Mon, Aug 25 - Thu, Aug 28

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$237 Roundtrip, found 13 hours ago

$237

Roundtrip

found 13 hours ago

Select American Airlines flight, departing Mon, Aug 25 from Lambert-St. Louis Intl. to San Antonio Intl., returning Thu, Aug 28, priced at $237 found 13 hours ago

Mon, Aug 25 - Thu, Aug 28

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$237 Roundtrip, found 13 hours ago

$237

Roundtrip

found 13 hours ago

Select United flight, departing Mon, Aug 25 from Lambert-St. Louis Intl. to San Antonio Intl., returning Thu, Aug 28, priced at $237 found 13 hours ago

Fri, Aug 22 - Sun, Aug 31

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$241 Roundtrip, found 18 hours ago

$241

Roundtrip

found 18 hours ago

Select Delta flight, departing Fri, Aug 22 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Aug 31, priced at $241 found 18 hours ago

Mon, Aug 25 - Thu, Aug 28

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$242 Roundtrip, found 13 hours ago

$242

Roundtrip

found 13 hours ago

Select United flight, departing Mon, Aug 25 from Lambert-St. Louis Intl. to San Antonio Intl., returning Thu, Aug 28, priced at $242 found 13 hours ago

Mon, Aug 25 - Thu, Aug 28

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$248 Roundtrip, found 13 hours ago

$248

Roundtrip

found 13 hours ago

Select American Airlines flight, departing Mon, Aug 25 from Lambert-St. Louis Intl. to San Antonio Intl., returning Thu, Aug 28, priced at $248 found 13 hours ago

Mon, Aug 25 - Thu, Aug 28

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$253 Roundtrip, found 13 hours ago

$253

Roundtrip

found 13 hours ago

Select American Airlines flight, departing Mon, Aug 25 from Lambert-St. Louis Intl. to San Antonio Intl., returning Thu, Aug 28, priced at $253 found 13 hours ago

Mon, Aug 25 - Thu, Aug 28

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$257 Roundtrip, found 13 hours ago

$257

Roundtrip

found 13 hours ago

Select United flight, departing Mon, Aug 25 from Lambert-St. Louis Intl. to San Antonio Intl., returning Thu, Aug 28, priced at $257 found 13 hours ago

Mon, Aug 25 - Thu, Aug 28

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$262 Roundtrip, found 13 hours ago

$262

Roundtrip

found 13 hours ago

Select United flight, departing Mon, Aug 25 from Lambert-St. Louis Intl. to San Antonio Intl., returning Thu, Aug 28, priced at $262 found 13 hours ago

Mon, Aug 25 - Thu, Aug 28

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$267 Roundtrip, found 13 hours ago

$267

Roundtrip

found 13 hours ago

Select American Airlines flight, departing Mon, Aug 25 from Lambert-St. Louis Intl. to San Antonio Intl., returning Thu, Aug 28, priced at $267 found 13 hours ago

Mon, Aug 25 - Thu, Aug 28

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$273 Roundtrip, found 13 hours ago

$273

Roundtrip

found 13 hours ago

Select United flight, departing Mon, Aug 25 from Lambert-St. Louis Intl. to San Antonio Intl., returning Thu, Aug 28, priced at $273 found 13 hours ago

Mon, Aug 25 - Thu, Aug 28

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$274 Roundtrip, found 13 hours ago

$274

Roundtrip

found 13 hours ago

Select American Airlines flight, departing Mon, Aug 25 from Lambert-St. Louis Intl. to San Antonio Intl., returning Thu, Aug 28, priced at $274 found 13 hours ago

Wed, Aug 27 - Fri, Aug 29

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$274 Roundtrip, found 18 hours ago

$274

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Wed, Aug 27 from Lambert-St. Louis Intl. to San Antonio Intl., returning Fri, Aug 29, priced at $274 found 18 hours ago

Mon, Aug 25 - Thu, Aug 28

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$278 Roundtrip, found 13 hours ago

$278

Roundtrip

found 13 hours ago

Select Delta flight, departing Mon, Aug 25 from Lambert-St. Louis Intl. to San Antonio Intl., returning Thu, Aug 28, priced at $278 found 13 hours ago

Mon, Aug 25 - Thu, Aug 28

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$279 Roundtrip, found 13 hours ago

$279

Roundtrip

found 13 hours ago

Select American Airlines flight, departing Mon, Aug 25 from Lambert-St. Louis Intl. to San Antonio Intl., returning Thu, Aug 28, priced at $279 found 13 hours ago

Mon, Aug 25 - Thu, Aug 28

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$279 Roundtrip, found 13 hours ago

$279

Roundtrip

found 13 hours ago

Select American Airlines flight, departing Mon, Aug 25 from Lambert-St. Louis Intl. to San Antonio Intl., returning Thu, Aug 28, priced at $279 found 13 hours ago

Mon, Aug 25 - Thu, Aug 28

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$283 Roundtrip, found 13 hours ago

$283

Roundtrip

found 13 hours ago

Select American Airlines flight, departing Mon, Aug 25 from Lambert-St. Louis Intl. to San Antonio Intl., returning Thu, Aug 28, priced at $283 found 13 hours ago