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

Saturday, November 7th, 2026

7 round-trip options

Returning
Fri, Nov 13, 20266 Day Trip
$354 USD
Returning
Sat, Nov 14, 20267 Day Trip
$354 USD
Returning
Sun, Nov 15, 20268 Day Trip
$387 USD
Returning
Tue, Nov 17, 202610 Day Trip
$354 USD
Returning
Thu, Nov 19, 202612 Day Trip
$443 USD
Returning
Fri, Nov 20, 202613 Day Trip
$705 USD
Returning
Sat, Nov 21, 202614 Day Trip
$527 USD