$146 Cheap Frontier Airlines flights San Antonio (SAT) to Ontario (ONT)

$146 Cheap Frontier Airlines flights San Antonio (SAT) to Ontario (ONT)

Prices were available within the past 7 days and start at $146 for one-way flights and $137 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Nov 27 - Thu, Dec 4

SAT

San Antonio

ONT

Ontario

$137 Roundtrip, found 3 days ago

$137

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Nov 27 from San Antonio to Ontario, returning Thu, Dec 4, priced at $137 found 3 days ago

Thu, Feb 19 - Tue, Mar 3

SAT

San Antonio

ONT

Ontario

$138 Roundtrip, found 6 days ago

$138

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Feb 19 from San Antonio to Ontario, returning Tue, Mar 3, priced at $138 found 6 days ago

Mon, Nov 24 - Tue, Nov 25

SAT

San Antonio

ONT

Ontario

$154 Roundtrip, found 3 days ago

$154

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Nov 24 from San Antonio to Ontario, returning Tue, Nov 25, priced at $154 found 3 days ago

Mon, Nov 17 - Mon, Nov 24

SAT

San Antonio

ONT

Ontario

$187 Roundtrip, found 3 days ago

$187

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Nov 17 from San Antonio to Ontario, returning Mon, Nov 24, priced at $187 found 3 days ago

Sun, Nov 23 - Thu, Dec 4

SAT

San Antonio

ONT

Ontario

$201 Roundtrip, found 3 days ago

$201

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sun, Nov 23 from San Antonio to Ontario, returning Thu, Dec 4, priced at $201 found 3 days ago

Sat, Nov 15 - Mon, Nov 24

SAT

San Antonio

ONT

Ontario

$217 Roundtrip, found 3 days ago

$217

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Nov 15 from San Antonio to Ontario, returning Mon, Nov 24, priced at $217 found 3 days ago

Tue, Nov 25 - Wed, Nov 26

SAT

San Antonio

ONT

Ontario

$218 Roundtrip, found 3 days ago

$218

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Tue, Nov 25 from San Antonio to Ontario, returning Wed, Nov 26, priced at $218 found 3 days ago

Mon, Feb 16 - Tue, Mar 3

SAT

San Antonio

ONT

Ontario

$238 Roundtrip, found 6 days ago

$238

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Feb 16 from San Antonio to Ontario, returning Tue, Mar 3, priced at $238 found 6 days ago