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 agoAugust 2026
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Good Availability
45% of dates checked are available within 10% of the lowest price
Sunday, August 9th, 2026
7 round-trip options
Returning
Sat, Aug 15, 2026•6 Day Trip
$481 USD
Returning
Sun, Aug 16, 2026•7 Day Trip
$516 USD
Returning
Tue, Aug 18, 2026•9 Day Trip
$432 USD
Returning
Wed, Aug 19, 2026•10 Day Trip
$510 USD
Returning
Fri, Aug 21, 2026•12 Day Trip
$461 USD
Returning
Sat, Aug 22, 2026•13 Day Trip
$438 USD
Returning
Sun, Aug 23, 2026•14 Day Trip
$482 USD