Philadelphia (PHL) to Ontario (ONT) flight deal in economy from $354

United AirlinesUAUnited Airlines
Round Trip•Economy
United StatesPHL

Philadelphia International Airport

Philadelphia, United States
United StatesONT

Ontario International Airport

Ontario, United States
$463 USD
-24%$354 USD
Verified 13 days ago
Good Availability
45% of dates checked are available within 10% of the lowest price

Wednesday, November 18th, 2026

7 round-trip options

Returning
Tue, Nov 24, 2026•6 Day Trip
$517 USD
Google Flights
Returning
Wed, Nov 25, 2026•7 Day Trip
$436 USD
Google Flights
Returning
Thu, Nov 26, 2026•8 Day Trip
$354 USD
Google Flights
Returning
Sat, Nov 28, 2026•10 Day Trip
$758 USD
Google Flights
Returning
Mon, Nov 30, 2026•12 Day Trip
$521 USD
Google Flights
Returning
Tue, Dec 1, 2026•13 Day Trip
$354 USD
Google Flights
Returning
Wed, Dec 2, 2026•14 Day Trip
$354 USD
Google Flights