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

Thursday, November 19th, 2026

4 round-trip options

Returning
Wed, Nov 25, 20266 Day Trip
$476 USD
Returning
Thu, Nov 26, 20267 Day Trip
$443 USD
Returning
Sat, Nov 28, 20269 Day Trip
$1,047 USD
Returning
Mon, Nov 30, 202611 Day Trip
$918 USD