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
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Good Availability
50% of dates checked are available within 10% of the lowest price
Sunday, October 11th, 2026
5 round-trip options
Returning
Fri, Oct 16, 2026•5 Day Trip
$529 USD
Returning
Sat, Oct 17, 2026•6 Day Trip
$493 USD
Returning
Mon, Oct 19, 2026•8 Day Trip
$521 USD
Returning
Fri, Oct 23, 2026•12 Day Trip
$489 USD
Returning
Sun, Oct 25, 2026•14 Day Trip
$521 USD