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

Friday, October 2nd, 2026

6 round-trip options

Returning
Thu, Oct 8, 20266 Day Trip
$384 USD
Returning
Fri, Oct 9, 20267 Day Trip
$354 USD
Returning
Mon, Oct 12, 202610 Day Trip
$443 USD
Returning
Tue, Oct 13, 202611 Day Trip
$384 USD
Returning
Wed, Oct 14, 202612 Day Trip
$384 USD
Returning
Thu, Oct 15, 202613 Day Trip
$436 USD