Flights from St. Louis to Northwest 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.

Wed, Nov 5 - Sun, Nov 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$239 Roundtrip, found 4 days ago

$239

Roundtrip

found 4 days ago

Select United flight, departing Wed, Nov 5 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Nov 9, priced at $239 found 4 days ago

Tue, Nov 4 - Sun, Nov 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$244 Roundtrip, found 6 days ago

$244

Roundtrip

found 6 days ago

Select United flight, departing Tue, Nov 4 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Nov 9, priced at $244 found 6 days ago

Wed, Nov 5 - Sun, Nov 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$249 Roundtrip, found 4 days ago

$249

Roundtrip

found 4 days ago

Select American Airlines flight, departing Wed, Nov 5 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Nov 9, priced at $249 found 4 days ago

Wed, Nov 5 - Sun, Nov 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$260 Roundtrip, found 4 days ago

$260

Roundtrip

found 4 days ago

Select United flight, departing Wed, Nov 5 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Nov 9, priced at $260 found 4 days ago

Wed, Nov 5 - Sun, Nov 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$264 Roundtrip, found 4 days ago

$264

Roundtrip

found 4 days ago

Select Delta flight, departing Wed, Nov 5 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Nov 9, priced at $264 found 4 days ago

Wed, Nov 5 - Sun, Nov 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$265 Roundtrip, found 4 days ago

$265

Roundtrip

found 4 days ago

Select United flight, departing Wed, Nov 5 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Nov 9, priced at $265 found 4 days ago

Wed, Nov 5 - Sun, Nov 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$265 Roundtrip, found 4 days ago

$265

Roundtrip

found 4 days ago

Select United flight, departing Wed, Nov 5 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Nov 9, priced at $265 found 4 days ago

Wed, Nov 5 - Sun, Nov 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$274 Roundtrip, found 4 days ago

$274

Roundtrip

found 4 days ago

Select American Airlines flight, departing Wed, Nov 5 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Nov 9, priced at $274 found 4 days ago

Tue, Nov 4 - Sun, Nov 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$279 Roundtrip, found 6 days ago

$279

Roundtrip

found 6 days ago

Select United flight, departing Tue, Nov 4 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Nov 9, priced at $279 found 6 days ago

Wed, Nov 5 - Sun, Nov 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$284 Roundtrip, found 4 days ago

$284

Roundtrip

found 4 days ago

Select American Airlines flight, departing Wed, Nov 5 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Nov 9, priced at $284 found 4 days ago

Wed, Nov 5 - Sun, Nov 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$289 Roundtrip, found 4 days ago

$289

Roundtrip

found 4 days ago

Select United flight, departing Wed, Nov 5 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Nov 9, priced at $289 found 4 days ago

Wed, Nov 5 - Sun, Nov 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$292 Roundtrip, found 4 days ago

$292

Roundtrip

found 4 days ago

Select United flight, departing Wed, Nov 5 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Nov 9, priced at $292 found 4 days ago

Tue, Nov 4 - Sun, Nov 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$294 Roundtrip, found 6 days ago

$294

Roundtrip

found 6 days ago

Select United flight, departing Tue, Nov 4 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Nov 9, priced at $294 found 6 days ago

Wed, Nov 5 - Sun, Nov 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$296 Roundtrip, found 4 days ago

$296

Roundtrip

found 4 days ago

Select United flight, departing Wed, Nov 5 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Nov 9, priced at $296 found 4 days ago

Tue, Nov 4 - Sun, Nov 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$299 Roundtrip, found 6 days ago

$299

Roundtrip

found 6 days ago

Select United flight, departing Tue, Nov 4 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Nov 9, priced at $299 found 6 days ago

Tue, Nov 4 - Sun, Nov 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$299 Roundtrip, found 6 days ago

$299

Roundtrip

found 6 days ago

Select United flight, departing Tue, Nov 4 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Nov 9, priced at $299 found 6 days ago

Tue, Nov 4 - Sun, Nov 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$304 Roundtrip, found 6 days ago

$304

Roundtrip

found 6 days ago

Select United flight, departing Tue, Nov 4 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Nov 9, priced at $304 found 6 days ago

Wed, Nov 5 - Sun, Nov 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$309 Roundtrip, found 4 days ago

$309

Roundtrip

found 4 days ago

Select United flight, departing Wed, Nov 5 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Nov 9, priced at $309 found 4 days ago

Wed, Nov 5 - Sun, Nov 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$314 Roundtrip, found 4 days ago

$314

Roundtrip

found 4 days ago

Select Delta flight, departing Wed, Nov 5 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Nov 9, priced at $314 found 4 days ago

Wed, Nov 5 - Sun, Nov 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$319 Roundtrip, found 4 days ago

$319

Roundtrip

found 4 days ago

Select Delta flight, departing Wed, Nov 5 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Nov 9, priced at $319 found 4 days ago