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

Saturday, January 23rd, 2027

5 round-trip options

Returning
Fri, Jan 29, 20276 Day Trip
$359 USD
Returning
Sat, Jan 30, 20277 Day Trip
$354 USD
Returning
Sun, Jan 31, 20278 Day Trip
$354 USD
Returning
Tue, Feb 2, 202710 Day Trip
$354 USD
Returning
Sat, Feb 6, 202714 Day Trip
$354 USD