$105 Cheap Frontier Airlines flights San Antonio (SAT) to Ontario (ONT)

$105 Cheap Frontier Airlines flights San Antonio (SAT) to Ontario (ONT)

Prices were available within the past 7 days and start at $105 for one-way flights and $210 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jun 28 - Thu, Jul 3

SAT

San Antonio

ONT

Ontario

$210 Roundtrip, found 1 day ago

$210

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jun 28 from San Antonio to Ontario, returning Thu, Jul 3, priced at $210 found 1 day ago

Sat, Jun 28 - Thu, Jul 3

SAT

San Antonio

ONT

Ontario

$286 Roundtrip, found 1 day ago

$286

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jun 28 from San Antonio to Ontario, returning Thu, Jul 3, priced at $286 found 1 day ago

Tue, Jul 29 - Tue, Aug 5

SAT

San Antonio

ONT

Ontario

$287 Roundtrip, found 1 day ago

$287

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jul 29 from San Antonio to Ontario, returning Tue, Aug 5, priced at $287 found 1 day ago

Tue, Jul 29 - Mon, Aug 4

SAT

San Antonio

ONT

Ontario

$293 Roundtrip, found 1 day ago

$293

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jul 29 from San Antonio to Ontario, returning Mon, Aug 4, priced at $293 found 1 day ago

Tue, Jul 29 - Tue, Aug 5

SAT

San Antonio

ONT

Ontario

$293 Roundtrip, found 1 day ago

$293

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jul 29 from San Antonio to Ontario, returning Tue, Aug 5, priced at $293 found 1 day ago

Tue, Jul 29 - Mon, Aug 4

SAT

San Antonio

ONT

Ontario

$298 Roundtrip, found 1 day ago

$298

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jul 29 from San Antonio to Ontario, returning Mon, Aug 4, priced at $298 found 1 day ago

Thu, Jun 26 - Mon, Jul 7

SAT

San Antonio

ONT

Ontario

$329 Roundtrip, found 1 day ago

$329

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jun 26 from San Antonio to Ontario, returning Mon, Jul 7, priced at $329 found 1 day ago

Thu, Jul 31 - Tue, Aug 5

SAT

San Antonio

ONT

Ontario

$332 Roundtrip, found 1 day ago

$332

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jul 31 from San Antonio to Ontario, returning Tue, Aug 5, priced at $332 found 1 day ago