Ontario (ONT) to Philadelphia (PHL) flight deal in economy from $354
ONTOntario International Airport
Ontario, United States
PHLPhiladelphia International Airport
Philadelphia, United States
$449 USD
-21%$354 USD
Verified 13 days agoOctober 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Good Availability
50% of dates checked are available within 10% of the lowest price
Monday, October 12th, 2026
5 round-trip options
Returning
Sat, Oct 17, 2026•5 Day Trip
$480 USD
Returning
Sun, Oct 18, 2026•6 Day Trip
$521 USD
Returning
Tue, Oct 20, 2026•8 Day Trip
$493 USD
Returning
Sat, Oct 24, 2026•12 Day Trip
$474 USD
Returning
Mon, Oct 26, 2026•14 Day Trip
$490 USD