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

Friday, November 20th, 2026

7 round-trip options

Returning
Thu, Nov 26, 2026•6 Day Trip
$440 USD
Google Flights
Returning
Fri, Nov 27, 2026•7 Day Trip
$522 USD
Google Flights
Returning
Sat, Nov 28, 2026•8 Day Trip
$970 USD
Google Flights
Returning
Mon, Nov 30, 2026•10 Day Trip
$607 USD
Google Flights
Returning
Wed, Dec 2, 2026•12 Day Trip
$440 USD
Google Flights
Returning
Thu, Dec 3, 2026•13 Day Trip
$440 USD
Google Flights
Returning
Fri, Dec 4, 2026•14 Day Trip
$440 USD
Google Flights