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

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

Prices were available within the past 7 days and start at for one-way flights and $165 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Feb 10 - Thu, Feb 12

ONT

Ontario

SAT

San Antonio

$165 Roundtrip, found 1 day ago

$165

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Feb 10 from Ontario to San Antonio, returning Thu, Feb 12, priced at $165 found 1 day ago

Mon, Feb 9 - Thu, Feb 12

ONT

Ontario

SAT

San Antonio

$192 Roundtrip, found 1 day ago

$192

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Feb 9 from Ontario to San Antonio, returning Thu, Feb 12, priced at $192 found 1 day ago

Thu, Jan 8 - Sat, Jan 10

ONT

Ontario

SAT

San Antonio

$213 Roundtrip, found 5 days ago

$213

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, Jan 8 from Ontario to San Antonio, returning Sat, Jan 10, priced at $213 found 5 days ago

Sat, Jan 10 - Sun, Jan 11

ONT

Ontario

SAT

San Antonio

$227 Roundtrip, found 5 days ago

$227

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Jan 10 from Ontario to San Antonio, returning Sun, Jan 11, priced at $227 found 5 days ago

Mon, Jan 5 - Sat, Jan 10

ONT

Ontario

SAT

San Antonio

$264 Roundtrip, found 5 days ago

$264

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Jan 5 from Ontario to San Antonio, returning Sat, Jan 10, priced at $264 found 5 days ago

Tue, Feb 10 - Fri, Feb 13

ONT

Ontario

SAT

San Antonio

$274 Roundtrip, found 1 day ago

$274

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Feb 10 from Ontario to San Antonio, returning Fri, Feb 13, priced at $274 found 1 day ago

Tue, Jan 6 - Wed, Jan 7

ONT

Ontario

SAT

San Antonio

$277 Roundtrip, found 5 days ago

$277

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Tue, Jan 6 from Ontario to San Antonio, returning Wed, Jan 7, priced at $277 found 5 days ago

Mon, Jan 5 - Fri, Jan 9

ONT

Ontario

SAT

San Antonio

$278 Roundtrip, found 5 days ago

$278

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Jan 5 from Ontario to San Antonio, returning Fri, Jan 9, priced at $278 found 5 days ago

Sun, Jan 4 - Wed, Jan 7

ONT

Ontario

SAT

San Antonio

$292 Roundtrip, found 5 days ago

$292

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sun, Jan 4 from Ontario to San Antonio, returning Wed, Jan 7, priced at $292 found 5 days ago

Mon, Jan 5 - Thu, Jan 8

ONT

Ontario

SAT

San Antonio

$294 Roundtrip, found 5 days ago

$294

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Jan 5 from Ontario to San Antonio, returning Thu, Jan 8, priced at $294 found 5 days ago

Mon, Feb 9 - Fri, Feb 13

ONT

Ontario

SAT

San Antonio

$301 Roundtrip, found 1 day ago

$301

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Feb 9 from Ontario to San Antonio, returning Fri, Feb 13, priced at $301 found 1 day ago