$132 Cheap Delta flights Philadelphia (PHL) to Ontario Intl. Airport (ONT)

$132 Cheap Delta flights Philadelphia (PHL) to Ontario Intl. Airport (ONT)

Prices were available within the past 7 days and start at $132 for one-way flights and $263 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jul 16 - Wed, Jul 22

PHL

Philadelphia

ONT

Ontario

$263 Roundtrip, found 21 hours ago

$263

Roundtrip

found 21 hours ago

Select Delta flight, departing Thu, Jul 16 from Philadelphia to Ontario, returning Wed, Jul 22, priced at $263 found 21 hours ago

Wed, Sep 9 - Tue, Sep 15

PHL

Philadelphia

ONT

Ontario

$267 Roundtrip, found 3 days ago

$267

Roundtrip

found 3 days ago

Select Delta flight, departing Wed, Sep 9 from Philadelphia to Ontario, returning Tue, Sep 15, priced at $267 found 3 days ago

Thu, Jun 4 - Wed, Jun 10

PHL

Philadelphia

ONT

Ontario

$290 Roundtrip, found 3 days ago

$290

Roundtrip

found 3 days ago

Select Delta flight, departing Thu, Jun 4 from Philadelphia to Ontario, returning Wed, Jun 10, priced at $290 found 3 days ago