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
Friday, August 7th, 2026
7 round-trip options
Returning
Thu, Aug 13, 2026•6 Day Trip
$418 USD
Returning
Fri, Aug 14, 2026•7 Day Trip
$439 USD
Returning
Sun, Aug 16, 2026•9 Day Trip
$472 USD
Returning
Mon, Aug 17, 2026•10 Day Trip
$423 USD
Returning
Wed, Aug 19, 2026•12 Day Trip
$436 USD
Returning
Thu, Aug 20, 2026•13 Day Trip
$467 USD
Returning
Fri, Aug 21, 2026•14 Day Trip
$418 USD