$176 Cheap Frontier Airlines flights Ontario (ONT) to San Jose (SJC)

$176 Cheap Frontier Airlines flights Ontario (ONT) to San Jose (SJC)

Prices were available within the past 7 days and start at $176 for one-way flights and $340 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jul 17 - Mon, Jul 21

ONT

Ontario

SJC

San Jose

$340 Roundtrip, found 14 hours ago

$340

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Jul 17 from Ontario to San Jose, returning Mon, Jul 21, priced at $340 found 14 hours ago

Thu, Jul 17 - Sun, Jul 20

ONT

Ontario

SJC

San Jose

$359 Roundtrip, found 14 hours ago

$359

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Jul 17 from Ontario to San Jose, returning Sun, Jul 20, priced at $359 found 14 hours ago

Mon, Jul 14 - Mon, Jul 21

ONT

Ontario

SJC

San Jose

$423 Roundtrip, found 14 hours ago

$423

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Mon, Jul 14 from Ontario to San Jose, returning Mon, Jul 21, priced at $423 found 14 hours ago

Mon, Jul 14 - Sun, Jul 20

ONT

Ontario

SJC

San Jose

$442 Roundtrip, found 14 hours ago

$442

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Mon, Jul 14 from Ontario to San Jose, returning Sun, Jul 20, priced at $442 found 14 hours ago

Wed, Jul 16 - Mon, Jul 21

ONT

Ontario

SJC

San Jose

$503 Roundtrip, found 14 hours ago

$503

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Wed, Jul 16 from Ontario to San Jose, returning Mon, Jul 21, priced at $503 found 14 hours ago

Wed, Jul 16 - Sun, Jul 20

ONT

Ontario

SJC

San Jose

$522 Roundtrip, found 14 hours ago

$522

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Wed, Jul 16 from Ontario to San Jose, returning Sun, Jul 20, priced at $522 found 14 hours ago

Mon, Jul 14 - Wed, Jul 16

ONT

Ontario

SJC

San Jose

$561 Roundtrip, found 14 hours ago

$561

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Mon, Jul 14 from Ontario to San Jose, returning Wed, Jul 16, priced at $561 found 14 hours ago

Mon, Jul 14 - Thu, Jul 17

ONT

Ontario

SJC

San Jose

$586 Roundtrip, found 14 hours ago

$586

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Mon, Jul 14 from Ontario to San Jose, returning Thu, Jul 17, priced at $586 found 14 hours ago