Cheap Frontier Airlines flights Knoxville (TYS) to San Antonio (SAT)

Cheap Frontier Airlines flights Knoxville (TYS) to San Antonio (SAT)

Prices were available within the past 7 days and start at for one-way flights and $336 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 2 - Sun, Oct 19

TYS

Knoxville

SAT

San Antonio

$336 Roundtrip, found 22 hours ago

$336

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Thu, Oct 2 from Knoxville to San Antonio, returning Sun, Oct 19, priced at $336 found 22 hours ago