$140 Cheap Frontier Airlines flights San Antonio (SAT) to Ontario (ONT)

$140 Cheap Frontier Airlines flights San Antonio (SAT) to Ontario (ONT)

Prices were available within the past 7 days and start at $140 for one-way flights and $188 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, May 8 - Mon, May 12

SAT

San Antonio

ONT

Ontario

$188 Roundtrip, found 2 days ago

$188

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, May 8 from San Antonio to Ontario, returning Mon, May 12, priced at $188 found 2 days ago

Thu, May 8 - Thu, May 8

SAT

San Antonio

ONT

Ontario

$208 Roundtrip, found 2 days ago

$208

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, May 8 from San Antonio to Ontario, returning Thu, May 8, priced at $208 found 2 days ago

Thu, May 8 - Sat, May 10

SAT

San Antonio

ONT

Ontario

$218 Roundtrip, found 2 days ago

$218

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, May 8 from San Antonio to Ontario, returning Sat, May 10, priced at $218 found 2 days ago

Mon, May 5 - Fri, May 9

SAT

San Antonio

ONT

Ontario

$228 Roundtrip, found 2 days ago

$228

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, May 5 from San Antonio to Ontario, returning Fri, May 9, priced at $228 found 2 days ago

Thu, May 8 - Fri, May 9

SAT

San Antonio

ONT

Ontario

$248 Roundtrip, found 2 days ago

$248

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, May 8 from San Antonio to Ontario, returning Fri, May 9, priced at $248 found 2 days ago

Sat, Jul 19 - Tue, Jul 29

SAT

San Antonio

ONT

Ontario

$299 Roundtrip, found 5 days ago

$299

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Jul 19 from San Antonio to Ontario, returning Tue, Jul 29, priced at $299 found 5 days ago