Cheap Frontier Airlines flights Chicago (MDW) to San Antonio (SAT)

Cheap Frontier Airlines flights Chicago (MDW) to San Antonio (SAT)

Prices were available within the past 7 days and start at for one-way flights and $306 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Oct 27 - Fri, Oct 31

MDW

Chicago

SAT

San Antonio

$306 Roundtrip, found 1 day ago

$306

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Oct 27 from Chicago to San Antonio, returning Fri, Oct 31, priced at $306 found 1 day ago

Thu, Oct 23 - Sun, Nov 2

MDW

Chicago

SAT

San Antonio

$331 Roundtrip, found 1 day ago

$331

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Oct 23 from Chicago to San Antonio, returning Sun, Nov 2, priced at $331 found 1 day ago

Fri, Jul 25 - Sun, Aug 3

MDW

Chicago

SAT

San Antonio

$336 Roundtrip, found 2 days ago

$336

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Jul 25 from Chicago to San Antonio, returning Sun, Aug 3, priced at $336 found 2 days ago

Fri, Jul 25 - Thu, Jul 31

MDW

Chicago

SAT

San Antonio

$361 Roundtrip, found 2 days ago

$361

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Jul 25 from Chicago to San Antonio, returning Thu, Jul 31, priced at $361 found 2 days ago

Sat, Jul 26 - Sun, Aug 3

MDW

Chicago

SAT

San Antonio

$396 Roundtrip, found 2 days ago

$396

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, Jul 26 from Chicago to San Antonio, returning Sun, Aug 3, priced at $396 found 2 days ago

Thu, Jul 24 - Sun, Aug 3

MDW

Chicago

SAT

San Antonio

$408 Roundtrip, found 2 days ago

$408

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jul 24 from Chicago to San Antonio, returning Sun, Aug 3, priced at $408 found 2 days ago

Sat, Jul 26 - Thu, Jul 31

MDW

Chicago

SAT

San Antonio

$421 Roundtrip, found 2 days ago

$421

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, Jul 26 from Chicago to San Antonio, returning Thu, Jul 31, priced at $421 found 2 days ago

Thu, Jul 24 - Thu, Jul 31

MDW

Chicago

SAT

San Antonio

$433 Roundtrip, found 2 days ago

$433

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jul 24 from Chicago to San Antonio, returning Thu, Jul 31, priced at $433 found 2 days ago