$159 Cheap Delta flights Philadelphia (PHL) to Ontario (ONT)

$159 Cheap Delta flights Philadelphia (PHL) to Ontario (ONT)

Prices were available within the past 7 days and start at $159 for one-way flights and $317 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Feb 17 - Thu, Feb 19

PHL

Philadelphia

ONT

Ontario

$317 Roundtrip, found 1 day ago

$317

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Feb 17 from Philadelphia to Ontario, returning Thu, Feb 19, priced at $317 found 1 day ago

Tue, Feb 17 - Fri, Feb 20

PHL

Philadelphia

ONT

Ontario

$381 Roundtrip, found 1 day ago

$381

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Feb 17 from Philadelphia to Ontario, returning Fri, Feb 20, priced at $381 found 1 day ago

Thu, Feb 12 - Wed, Feb 18

PHL

Philadelphia

ONT

Ontario

$398 Roundtrip, found 1 day ago

$398

Roundtrip

found 1 day ago

Select Delta flight, departing Thu, Feb 12 from Philadelphia to Ontario, returning Wed, Feb 18, priced at $398 found 1 day ago