$339 Cheap Frontier Airlines flights Ontario (ONT) to San Jose (SJC)

$339 Cheap Frontier Airlines flights Ontario (ONT) to San Jose (SJC)

Prices were available within the past 7 days and start at $339 for one-way flights and $154 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 25 - Sun, Sep 28

ONT

Ontario

SJC

San Jose

$154 Roundtrip, found 16 hours ago

$154

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Thu, Sep 25 from Ontario to San Jose, returning Sun, Sep 28, priced at $154 found 16 hours ago

Sun, Sep 21 - Fri, Sep 26

ONT

Ontario

SJC

San Jose

$222 Roundtrip, found 16 hours ago

$222

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Sun, Sep 21 from Ontario to San Jose, returning Fri, Sep 26, priced at $222 found 16 hours ago

Sun, Sep 21 - Thu, Sep 25

ONT

Ontario

SJC

San Jose

$231 Roundtrip, found 16 hours ago

$231

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Sun, Sep 21 from Ontario to San Jose, returning Thu, Sep 25, priced at $231 found 16 hours ago