Philadelphia (PHL) to Ontario (ONT) flight deal in economy from $354
PHLPhiladelphia International Airport
Philadelphia, United States
ONTOntario International Airport
Ontario, United States
$463 USD
-24%$354 USD
Verified 13 days agoNovember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Good Availability
45% of dates checked are available within 10% of the lowest price
Tuesday, November 17th, 2026
7 round-trip options
Returning
Mon, Nov 23, 2026•6 Day Trip
$389 USD
Returning
Tue, Nov 24, 2026•7 Day Trip
$502 USD
Returning
Wed, Nov 25, 2026•8 Day Trip
$436 USD
Returning
Fri, Nov 27, 2026•10 Day Trip
$436 USD
Returning
Sun, Nov 29, 2026•12 Day Trip
$970 USD
Returning
Mon, Nov 30, 2026•13 Day Trip
$521 USD
Returning
Tue, Dec 1, 2026•14 Day Trip
$354 USD