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, December 28th, 2026

7 round-trip options

Returning
Sun, Jan 3, 2027•6 Day Trip
$854 USD
Google Flights
Returning
Mon, Jan 4, 2027•7 Day Trip
$716 USD
Google Flights
Returning
Tue, Jan 5, 2027•8 Day Trip
$716 USD
Google Flights
Returning
Thu, Jan 7, 2027•10 Day Trip
$716 USD
Google Flights
Returning
Sat, Jan 9, 2027•12 Day Trip
$756 USD
Google Flights
Returning
Sun, Jan 10, 2027•13 Day Trip
$716 USD
Google Flights
Returning
Mon, Jan 11, 2027•14 Day Trip
$716 USD
Google Flights