$215 Cheap Delta flights Philadelphia (PHL) to Ontario (ONT)

$215 Cheap Delta flights Philadelphia (PHL) to Ontario (ONT)

Prices were available within the past 7 days and start at $215 for one-way flights and $338 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Mar 3 - Thu, Mar 12

PHL

Philadelphia

ONT

Ontario

$338 Roundtrip, found 6 days ago

$338

Roundtrip

found 6 days ago

Select Delta flight, departing Tue, Mar 3 from Philadelphia to Ontario, returning Thu, Mar 12, priced at $338 found 6 days ago

Tue, Mar 3 - Fri, Mar 13

PHL

Philadelphia

ONT

Ontario

$343 Roundtrip, found 6 days ago

$343

Roundtrip

found 6 days ago

Select Delta flight, departing Tue, Mar 3 from Philadelphia to Ontario, returning Fri, Mar 13, priced at $343 found 6 days ago

Tue, Mar 3 - Thu, Mar 5

PHL

Philadelphia

ONT

Ontario

$369 Roundtrip, found 4 days ago

$369

Roundtrip

found 4 days ago

Select Delta flight, departing Tue, Mar 3 from Philadelphia to Ontario, returning Thu, Mar 5, priced at $369 found 4 days ago

Tue, Mar 3 - Fri, Mar 6

PHL

Philadelphia

ONT

Ontario

$398 Roundtrip, found 4 days ago

$398

Roundtrip

found 4 days ago

Select Delta flight, departing Tue, Mar 3 from Philadelphia to Ontario, returning Fri, Mar 6, priced at $398 found 4 days ago

Wed, Jan 21 - Wed, Jan 28

PHL

Philadelphia

ONT

Ontario

$727 Roundtrip, found 17 hours ago

$727

Roundtrip

found 17 hours ago

Select Delta flight, departing Wed, Jan 21 from Philadelphia to Ontario, returning Wed, Jan 28, priced at $727 found 17 hours ago

Tue, Jan 20 - Wed, Jan 28

PHL

Philadelphia

ONT

Ontario

$776 Roundtrip, found 17 hours ago

$776

Roundtrip

found 17 hours ago

Select Delta flight, departing Tue, Jan 20 from Philadelphia to Ontario, returning Wed, Jan 28, priced at $776 found 17 hours ago

Sun, Jan 18 - Wed, Jan 28

PHL

Philadelphia

ONT

Ontario

$807 Roundtrip, found 17 hours ago

$807

Roundtrip

found 17 hours ago

Select Delta flight, departing Sun, Jan 18 from Philadelphia to Ontario, returning Wed, Jan 28, priced at $807 found 17 hours ago