Flights from San Antonio to Waterloo

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.

Wed, May 28 - Tue, Jun 3

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$197 Roundtrip, found 1 day ago

$197

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, May 28 from San Antonio Intl. to Lambert-St. Louis Intl., returning Tue, Jun 3, priced at $197 found 1 day ago

Sun, Jun 1 - Thu, Jun 5

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$200 Roundtrip, found 1 day ago

$200

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jun 1 from San Antonio Intl. to Lambert-St. Louis Intl., returning Thu, Jun 5, priced at $200 found 1 day ago

Fri, May 30 - Thu, Jun 5

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$210 Roundtrip, found 1 day ago

$210

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, May 30 from San Antonio Intl. to Lambert-St. Louis Intl., returning Thu, Jun 5, priced at $210 found 1 day ago

Wed, May 28 - Sat, May 31

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$213 Roundtrip, found 1 day ago

$213

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, May 28 from San Antonio Intl. to Lambert-St. Louis Intl., returning Sat, May 31, priced at $213 found 1 day ago

Wed, May 28 - Thu, May 29

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$223 Roundtrip, found 1 day ago

$223

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, May 28 from San Antonio Intl. to Lambert-St. Louis Intl., returning Thu, May 29, priced at $223 found 1 day ago

Sat, May 31 - Sat, May 31

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$229 Roundtrip, found 1 day ago

$229

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, May 31 from San Antonio Intl. to Lambert-St. Louis Intl., returning Sat, May 31, priced at $229 found 1 day ago

Thu, May 29 - Sat, May 31

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$229 Roundtrip, found 1 day ago

$229

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, May 29 from San Antonio Intl. to Lambert-St. Louis Intl., returning Sat, May 31, priced at $229 found 1 day ago

Thu, May 29 - Sun, Jun 1

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$230 Roundtrip, found 1 day ago

$230

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, May 29 from San Antonio Intl. to Lambert-St. Louis Intl., returning Sun, Jun 1, priced at $230 found 1 day ago

Sat, May 31 - Sun, Jun 1

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$234 Roundtrip, found 1 day ago

$234

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sat, May 31 from San Antonio Intl. to Lambert-St. Louis Intl., returning Sun, Jun 1, priced at $234 found 1 day ago

Sat, May 31 - Sun, Jun 1

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$234 Roundtrip, found 1 day ago

$234

Roundtrip

found 1 day ago

Select United flight, departing Sat, May 31 from San Antonio Intl. to Lambert-St. Louis Intl., returning Sun, Jun 1, priced at $234 found 1 day ago

Sat, May 31 - Sun, Jun 1

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$239 Roundtrip, found 1 day ago

$239

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, May 31 from San Antonio Intl. to Lambert-St. Louis Intl., returning Sun, Jun 1, priced at $239 found 1 day ago

Fri, May 30 - Sun, Jun 1

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$240 Roundtrip, found 1 day ago

$240

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, May 30 from San Antonio Intl. to Lambert-St. Louis Intl., returning Sun, Jun 1, priced at $240 found 1 day ago

Sat, May 31 - Sun, Jun 1

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$249 Roundtrip, found 1 day ago

$249

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sat, May 31 from San Antonio Intl. to Lambert-St. Louis Intl., returning Sun, Jun 1, priced at $249 found 1 day ago

Sat, May 31 - Sun, Jun 1

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$264 Roundtrip, found 1 day ago

$264

Roundtrip

found 1 day ago

Select United flight, departing Sat, May 31 from San Antonio Intl. to Lambert-St. Louis Intl., returning Sun, Jun 1, priced at $264 found 1 day ago

Sat, May 31 - Sun, Jun 1

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$269 Roundtrip, found 1 day ago

$269

Roundtrip

found 1 day ago

Select United flight, departing Sat, May 31 from San Antonio Intl. to Lambert-St. Louis Intl., returning Sun, Jun 1, priced at $269 found 1 day ago

Sat, May 31 - Sun, Jun 1

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$269 Roundtrip, found 1 day ago

$269

Roundtrip

found 1 day ago

Select United flight, departing Sat, May 31 from San Antonio Intl. to Lambert-St. Louis Intl., returning Sun, Jun 1, priced at $269 found 1 day ago

Sat, May 31 - Sun, Jun 1

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$270 Roundtrip, found 1 day ago

$270

Roundtrip

found 1 day ago

Select United flight, departing Sat, May 31 from San Antonio Intl. to Lambert-St. Louis Intl., returning Sun, Jun 1, priced at $270 found 1 day ago

Sat, May 31 - Sun, Jun 1

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$274 Roundtrip, found 1 day ago

$274

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, May 31 from San Antonio Intl. to Lambert-St. Louis Intl., returning Sun, Jun 1, priced at $274 found 1 day ago

Wed, May 28 - Sun, Jun 8

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$278 Roundtrip, found 1 day ago

$278

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, May 28 from San Antonio Intl. to Lambert-St. Louis Intl., returning Sun, Jun 8, priced at $278 found 1 day ago

Sat, May 31 - Sat, May 31

SAT

San Antonio Intl.

STL

Lambert-St. Louis Intl.

$283 Roundtrip, found 1 day ago

$283

Roundtrip

found 1 day ago

Select United flight, departing Sat, May 31 from San Antonio Intl. to Lambert-St. Louis Intl., returning Sat, May 31, priced at $283 found 1 day ago