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

Tuesday, November 17th, 2026

4 round-trip options

Returning
Mon, Nov 23, 20266 Day Trip
$354 USD
Returning
Tue, Nov 24, 20267 Day Trip
$473 USD
Returning
Thu, Nov 26, 20269 Day Trip
$354 USD
Returning
Sat, Nov 28, 202611 Day Trip
$958 USD