Philadelphia (PHL) to Ontario (ONT) flight deal in economy from $354

Wednesday, August 26th, 2026

7 round-trip options

Returning
Tue, Sep 1, 20266 Day Trip
$354 USD
Returning
Wed, Sep 2, 20267 Day Trip
$354 USD
Returning
Fri, Sep 4, 20269 Day Trip
$438 USD
Returning
Sat, Sep 5, 202610 Day Trip
$354 USD
Returning
Mon, Sep 7, 202612 Day Trip
$432 USD
Returning
Tue, Sep 8, 202613 Day Trip
$432 USD
Returning
Wed, Sep 9, 202614 Day Trip
$354 USD