$297 Cheap Alaska Airlines flights Ontario Intl. Airport (ONT) to Philadelphia (PHL)

$297 Cheap Alaska Airlines flights Ontario Intl. Airport (ONT) to Philadelphia (PHL)

Prices were available within the past 7 days and start at $297 for one-way flights and $418 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, May 24 - Wed, May 27

ONT

Ontario

PHL

Philadelphia

$418 Roundtrip, found 2 days ago

$418

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Sun, May 24 from Ontario to Philadelphia, returning Wed, May 27, priced at $418 found 2 days ago