* All fares below were last found on: Oct 16, 2018 and 8:21:49 AM.
Fares are round trip, Fares incl. all fuel surcharges, our service fees and taxes.
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Save BIG on flights from Philadelphia (PHL) to Portland (PDX)! Find affordable deals airfares to Portland, OR and take off to the cinematic and sensational Portland, all within your budget!
If you are looking forward to a laidback vacation, Ontario is an excellent choice. Romantic, laidback and full of fun, Ontario offers its guest to indulge in a vacation like none. Whether its sightseeing, beautiful outdoors, mouthwatering cuisine, shopping or nightlife, Ontario California has it all. Grab cheap Ontario flights on OneTravel and save more on your airline tickets. We offer exclusive deals on airlines flying to Ontario including American Airlines, Alaska Airlines and Virgin America. The average flight time from Seattle, WA to Ontario, CA is around two hours and thirty minutes.