Flights from San Antonio to St. Louis

Cheapest flights from San Antonio

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.

Sat, Aug 30 - Wed, Sep 3

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$208 Roundtrip, found 2 days ago

$208

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, Aug 30 from San Antonio Intl. to Lambert-St. Louis Intl., returning Wed, Sep 3, priced at $208 found 2 days ago

Sat, Aug 30 - Mon, Sep 1

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$209 Roundtrip, found 2 days ago

$209

Roundtrip

found 2 days ago

Select United flight, departing Sat, Aug 30 from San Antonio Intl. to Lambert-St. Louis Intl., returning Mon, Sep 1, priced at $209 found 2 days ago

Sat, Aug 30 - Thu, Sep 4

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$218 Roundtrip, found 2 days ago

$218

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, Aug 30 from San Antonio Intl. to Lambert-St. Louis Intl., returning Thu, Sep 4, priced at $218 found 2 days ago

Sat, Aug 30 - Mon, Sep 1

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$221 Roundtrip, found 2 days ago

$221

Roundtrip

found 2 days ago

Select United flight, departing Sat, Aug 30 from San Antonio Intl. to Lambert-St. Louis Intl., returning Mon, Sep 1, priced at $221 found 2 days ago

Sat, Aug 30 - Mon, Sep 1

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$223 Roundtrip, found 2 days ago

$223

Roundtrip

found 2 days ago

Select United flight, departing Sat, Aug 30 from San Antonio Intl. to Lambert-St. Louis Intl., returning Mon, Sep 1, priced at $223 found 2 days ago

Tue, Aug 26 - Wed, Sep 3

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$227 Roundtrip, found 2 days ago

$227

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Aug 26 from San Antonio Intl. to Lambert-St. Louis Intl., returning Wed, Sep 3, priced at $227 found 2 days ago

Fri, Aug 29 - Thu, Sep 4

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$228 Roundtrip, found 2 days ago

$228

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Aug 29 from San Antonio Intl. to Lambert-St. Louis Intl., returning Thu, Sep 4, priced at $228 found 2 days ago

Sat, Aug 30 - Mon, Sep 1

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$229 Roundtrip, found 2 days ago

$229

Roundtrip

found 2 days ago

Select Delta flight, departing Sat, Aug 30 from San Antonio Intl. to Lambert-St. Louis Intl., returning Mon, Sep 1, priced at $229 found 2 days ago

Tue, Aug 26 - Sun, Aug 31

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$243 Roundtrip, found 2 days ago

$243

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Aug 26 from San Antonio Intl. to Lambert-St. Louis Intl., returning Sun, Aug 31, priced at $243 found 2 days ago

Sat, Aug 30 - Mon, Sep 1

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$244 Roundtrip, found 2 days ago

$244

Roundtrip

found 2 days ago

Select United flight, departing Sat, Aug 30 from San Antonio Intl. to Lambert-St. Louis Intl., returning Mon, Sep 1, priced at $244 found 2 days ago

Sat, Aug 30 - Mon, Sep 1

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$245 Roundtrip, found 2 days ago

$245

Roundtrip

found 2 days ago

Select American Airlines flight, departing Sat, Aug 30 from San Antonio Intl. to Lambert-St. Louis Intl., returning Mon, Sep 1, priced at $245 found 2 days ago

Sat, Aug 30 - Mon, Sep 1

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$247 Roundtrip, found 2 days ago

$247

Roundtrip

found 2 days ago

Select United flight, departing Sat, Aug 30 from San Antonio Intl. to Lambert-St. Louis Intl., returning Mon, Sep 1, priced at $247 found 2 days ago

Fri, Aug 29 - Tue, Sep 2

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$249 Roundtrip, found 2 days ago

$249

Roundtrip

found 2 days ago

Select United flight, departing Fri, Aug 29 from San Antonio Intl. to Lambert-St. Louis Intl., returning Tue, Sep 2, priced at $249 found 2 days ago

Fri, Aug 29 - Tue, Sep 2

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$250 Roundtrip, found 2 days ago

$250

Roundtrip

found 2 days ago

Select United flight, departing Fri, Aug 29 from San Antonio Intl. to Lambert-St. Louis Intl., returning Tue, Sep 2, priced at $250 found 2 days ago

Fri, Aug 29 - Mon, Sep 1

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$251 Roundtrip, found 1 day ago

$251

Roundtrip

found 1 day ago

Select United flight, departing Fri, Aug 29 from San Antonio Intl. to Lambert-St. Louis Intl., returning Mon, Sep 1, priced at $251 found 1 day ago

Mon, Sep 1 - Tue, Sep 9

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$252 Roundtrip, found 2 days ago

$252

Roundtrip

found 2 days ago

Select United flight, departing Mon, Sep 1 from San Antonio Intl. to Lambert-St. Louis Intl., returning Tue, Sep 9, priced at $252 found 2 days ago

Mon, Sep 1 - Tue, Sep 2

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$257 Roundtrip, found 2 days ago

$257

Roundtrip

found 2 days ago

Select United flight, departing Mon, Sep 1 from San Antonio Intl. to Lambert-St. Louis Intl., returning Tue, Sep 2, priced at $257 found 2 days ago

Sat, Aug 30 - Mon, Sep 1

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$258 Roundtrip, found 2 days ago

$258

Roundtrip

found 2 days ago

Select United flight, departing Sat, Aug 30 from San Antonio Intl. to Lambert-St. Louis Intl., returning Mon, Sep 1, priced at $258 found 2 days ago

Sat, Aug 30 - Mon, Sep 1

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$259 Roundtrip, found 2 days ago

$259

Roundtrip

found 2 days ago

Select American Airlines flight, departing Sat, Aug 30 from San Antonio Intl. to Lambert-St. Louis Intl., returning Mon, Sep 1, priced at $259 found 2 days ago

Fri, Aug 29 - Mon, Sep 1

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$263 Roundtrip, found 1 day ago

$263

Roundtrip

found 1 day ago

Select United flight, departing Fri, Aug 29 from San Antonio Intl. to Lambert-St. Louis Intl., returning Mon, Sep 1, priced at $263 found 1 day ago