$100 Cheap Frontier Airlines flights San Antonio (SAT) to Ontario Intl. Airport (ONT)

$100 Cheap Frontier Airlines flights San Antonio (SAT) to Ontario Intl. Airport (ONT)

Prices were available within the past 7 days and start at $100 for one-way flights and $200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jun 23 - Wed, Jul 8

SAT

San Antonio

ONT

Ontario

$200 Roundtrip, found 1 day ago

$200

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jun 23 from San Antonio to Ontario, returning Wed, Jul 8, priced at $200 found 1 day ago

Sat, Jun 27 - Wed, Jul 8

SAT

San Antonio

ONT

Ontario

$214 Roundtrip, found 1 day ago

$214

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jun 27 from San Antonio to Ontario, returning Wed, Jul 8, priced at $214 found 1 day ago

Tue, Jun 23 - Mon, Jul 6

SAT

San Antonio

ONT

Ontario

$219 Roundtrip, found 1 day ago

$219

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jun 23 from San Antonio to Ontario, returning Mon, Jul 6, priced at $219 found 1 day ago

Tue, Jun 23 - Sun, Jul 5

SAT

San Antonio

ONT

Ontario

$220 Roundtrip, found 1 day ago

$220

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jun 23 from San Antonio to Ontario, returning Sun, Jul 5, priced at $220 found 1 day ago

Sat, Jun 27 - Sat, Jul 4

SAT

San Antonio

ONT

Ontario

$228 Roundtrip, found 1 day ago

$228

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jun 27 from San Antonio to Ontario, returning Sat, Jul 4, priced at $228 found 1 day ago

Wed, May 27 - Wed, Jun 3

SAT

San Antonio

ONT

Ontario

$230 Roundtrip, found 4 days ago

$230

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, May 27 from San Antonio to Ontario, returning Wed, Jun 3, priced at $230 found 4 days ago