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 14 days ago
Good Availability
45% of dates checked are available within 10% of the lowest price

Saturday, January 9th, 2027

4 round-trip options

Returning
Thu, Jan 14, 2027•5 Day Trip
$408 USD
Google Flights
Returning
Sun, Jan 17, 2027•8 Day Trip
$387 USD
Google Flights
Returning
Mon, Jan 18, 2027•9 Day Trip
$694 USD
Google Flights
Returning
Tue, Jan 19, 2027•10 Day Trip
$354 USD
Google Flights