$140 Cheap Delta flights Philadelphia (PHL) to Ontario (ONT)

$140 Cheap Delta flights Philadelphia (PHL) to Ontario (ONT)

Prices were available within the past 7 days and start at $140 for one-way flights and $279 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Feb 17 - Wed, Feb 18

PHL

Philadelphia

ONT

Ontario

$279 Roundtrip, found 1 day ago

$279

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Feb 17 from Philadelphia to Ontario, returning Wed, Feb 18, priced at $279 found 1 day ago

Thu, Nov 27 - Tue, Dec 9

PHL

Philadelphia

ONT

Ontario

$308 Roundtrip, found 1 day ago

$308

Roundtrip

found 1 day ago

Select Delta flight, departing Thu, Nov 27 from Philadelphia to Ontario, returning Tue, Dec 9, priced at $308 found 1 day ago

Wed, Nov 5 - Tue, Nov 18

PHL

Philadelphia

ONT

Ontario

$337 Roundtrip, found 1 day ago

$337

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Nov 5 from Philadelphia to Ontario, returning Tue, Nov 18, priced at $337 found 1 day ago

Tue, Feb 17 - Sat, Feb 21

PHL

Philadelphia

ONT

Ontario

$349 Roundtrip, found 1 day ago

$349

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Feb 17 from Philadelphia to Ontario, returning Sat, Feb 21, priced at $349 found 1 day ago

Mon, Feb 16 - Wed, Feb 18

PHL

Philadelphia

ONT

Ontario

$358 Roundtrip, found 1 day ago

$358

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Feb 16 from Philadelphia to Ontario, returning Wed, Feb 18, priced at $358 found 1 day ago

Fri, Dec 5 - Wed, Dec 17

PHL

Philadelphia

ONT

Ontario

$373 Roundtrip, found 1 day ago

$373

Roundtrip

found 1 day ago

Select Delta flight, departing Fri, Dec 5 from Philadelphia to Ontario, returning Wed, Dec 17, priced at $373 found 1 day ago

Wed, Nov 5 - Thu, Nov 20

PHL

Philadelphia

ONT

Ontario

$387 Roundtrip, found 1 day ago

$387

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Nov 5 from Philadelphia to Ontario, returning Thu, Nov 20, priced at $387 found 1 day ago

Sun, Nov 2 - Tue, Nov 18

PHL

Philadelphia

ONT

Ontario

$403 Roundtrip, found 1 day ago

$403

Roundtrip

found 1 day ago

Select Delta flight, departing Sun, Nov 2 from Philadelphia to Ontario, returning Tue, Nov 18, priced at $403 found 1 day ago

Mon, Feb 16 - Sat, Feb 21

PHL

Philadelphia

ONT

Ontario

$428 Roundtrip, found 1 day ago

$428

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Feb 16 from Philadelphia to Ontario, returning Sat, Feb 21, priced at $428 found 1 day ago

Mon, Feb 16 - Tue, Feb 17

PHL

Philadelphia

ONT

Ontario

$487 Roundtrip, found 1 day ago

$487

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Feb 16 from Philadelphia to Ontario, returning Tue, Feb 17, priced at $487 found 1 day ago