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
Friday, October 9th, 2026
5 round-trip options
Returning
Wed, Oct 14, 2026•5 Day Trip
$413 USD
Returning
Thu, Oct 15, 2026•6 Day Trip
$354 USD
Returning
Sat, Oct 17, 2026•8 Day Trip
$359 USD
Returning
Wed, Oct 21, 2026•12 Day Trip
$364 USD
Returning
Fri, Oct 23, 2026•14 Day Trip
$354 USD