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

Monday, November 30th, 2026

7 round-trip options

Returning
Sun, Dec 6, 2026•6 Day Trip
$856 USD
Google Flights
Returning
Mon, Dec 7, 2026•7 Day Trip
$824 USD
Google Flights
Returning
Tue, Dec 8, 2026•8 Day Trip
$824 USD
Google Flights
Returning
Thu, Dec 10, 2026•10 Day Trip
$906 USD
Google Flights
Returning
Sat, Dec 12, 2026•12 Day Trip
$824 USD
Google Flights
Returning
Sun, Dec 13, 2026•13 Day Trip
$856 USD
Google Flights
Returning
Mon, Dec 14, 2026•14 Day Trip
$824 USD
Google Flights