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

Thursday, October 22nd, 2026

5 round-trip options

Returning
Tue, Oct 27, 20265 Day Trip
$354 USD
Returning
Wed, Oct 28, 20266 Day Trip
$354 USD
Returning
Fri, Oct 30, 20268 Day Trip
$354 USD
Returning
Tue, Nov 3, 202612 Day Trip
$354 USD
Returning
Thu, Nov 5, 202614 Day Trip
$387 USD