$349 Cheap United flights Ontario (ONT) to Philadelphia (PHL)

$349 Cheap United flights Ontario (ONT) to Philadelphia (PHL)

Prices were available within the past 7 days and start at $349 for one-way flights and $519 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Apr 23 - Wed, May 20

ONT

Ontario

PHL

Philadelphia

$519 Roundtrip, found 2 days ago

$519

Roundtrip

found 2 days ago

Select United flight, departing Thu, Apr 23 from Ontario to Philadelphia, returning Wed, May 20, priced at $519 found 2 days ago

Thu, Apr 23 - Wed, May 20

ONT

Ontario

PHL

Philadelphia

$618 Roundtrip, found 2 days ago

$618

Roundtrip

found 2 days ago

Select United flight, departing Thu, Apr 23 from Ontario to Philadelphia, returning Wed, May 20, priced at $618 found 2 days ago

Thu, Apr 23 - Sun, May 17

ONT

Ontario

PHL

Philadelphia

$808 Roundtrip, found 15 hours ago

$808

Roundtrip

found 15 hours ago

Select United flight, departing Thu, Apr 23 from Ontario to Philadelphia, returning Sun, May 17, priced at $808 found 15 hours ago