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

Monday, November 9th, 2026

7 round-trip options

Returning
Sun, Nov 15, 20266 Day Trip
$387 USD
Returning
Mon, Nov 16, 20267 Day Trip
$436 USD
Returning
Tue, Nov 17, 20268 Day Trip
$354 USD
Returning
Thu, Nov 19, 202610 Day Trip
$443 USD
Returning
Sat, Nov 21, 202612 Day Trip
$360 USD
Returning
Sun, Nov 22, 202613 Day Trip
$387 USD
Returning
Mon, Nov 23, 202614 Day Trip
$389 USD