$203 Cheap Delta flights Philadelphia (PHL) to Ontario (ONT)

$203 Cheap Delta flights Philadelphia (PHL) to Ontario (ONT)

Prices were available within the past 7 days and start at $203 for one-way flights and $316 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jan 13 - Sun, Jan 18

PHL

Philadelphia

ONT

Ontario

$316 Roundtrip, found 11 hours ago

$316

Roundtrip

found 11 hours ago

Select Delta flight, departing Tue, Jan 13 from Philadelphia to Ontario, returning Sun, Jan 18, priced at $316 found 11 hours ago

Thu, Jan 8 - Sun, Jan 18

PHL

Philadelphia

ONT

Ontario

$319 Roundtrip, found 11 hours ago

$319

Roundtrip

found 11 hours ago

Select Delta flight, departing Thu, Jan 8 from Philadelphia to Ontario, returning Sun, Jan 18, priced at $319 found 11 hours ago

Sat, Jan 10 - Sun, Jan 18

PHL

Philadelphia

ONT

Ontario

$334 Roundtrip, found 11 hours ago

$334

Roundtrip

found 11 hours ago

Select Delta flight, departing Sat, Jan 10 from Philadelphia to Ontario, returning Sun, Jan 18, priced at $334 found 11 hours ago

Thu, Jan 8 - Thu, Jan 15

PHL

Philadelphia

ONT

Ontario

$354 Roundtrip, found 11 hours ago

$354

Roundtrip

found 11 hours ago

Select Delta flight, departing Thu, Jan 8 from Philadelphia to Ontario, returning Thu, Jan 15, priced at $354 found 11 hours ago

Fri, Jan 9 - Sun, Jan 18

PHL

Philadelphia

ONT

Ontario

$373 Roundtrip, found 11 hours ago

$373

Roundtrip

found 11 hours ago

Select Delta flight, departing Fri, Jan 9 from Philadelphia to Ontario, returning Sun, Jan 18, priced at $373 found 11 hours ago

Wed, Feb 25 - Sat, Mar 7

PHL

Philadelphia

ONT

Ontario

$387 Roundtrip, found 6 days ago

$387

Roundtrip

found 6 days ago

Select Delta flight, departing Wed, Feb 25 from Philadelphia to Ontario, returning Sat, Mar 7, priced at $387 found 6 days ago

Wed, Feb 25 - Sun, Mar 8

PHL

Philadelphia

ONT

Ontario

$408 Roundtrip, found 6 days ago

$408

Roundtrip

found 6 days ago

Select Delta flight, departing Wed, Feb 25 from Philadelphia to Ontario, returning Sun, Mar 8, priced at $408 found 6 days ago

Sat, Feb 28 - Sat, Mar 7

PHL

Philadelphia

ONT

Ontario

$428 Roundtrip, found 6 days ago

$428

Roundtrip

found 6 days ago

Select Delta flight, departing Sat, Feb 28 from Philadelphia to Ontario, returning Sat, Mar 7, priced at $428 found 6 days ago

Sat, Feb 28 - Sun, Mar 8

PHL

Philadelphia

ONT

Ontario

$449 Roundtrip, found 6 days ago

$449

Roundtrip

found 6 days ago

Select Delta flight, departing Sat, Feb 28 from Philadelphia to Ontario, returning Sun, Mar 8, priced at $449 found 6 days ago