* All fares below were last found on: Jul 22, 2018 and 2:07:40 PM.
Fares are round trip, Fares incl. all fuel surcharges, our service fees and taxes.
Displayed fares are based on historical data, are subject to change and cannot be guaranteed at the time of booking.
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Find incredibly cheap airline tickets from Ontario (ONT) to Philadelphia (PHL) on OneTravel. Take advantage of our exclusive airfare deals on Philadelphia flights and save more to splurge on your next trip!
Often called one of the greenest cities in the US, Portland is a vibrant, modern city offering visitors a distinctive northwestern coast experience. Enjoy visiting world class museums and art galleries. Indulge in pure holiday shopping. Dine in cool outdoor cafes and award winning restaurants. Be a part of its ultra-hip nightlife. Portland is just perfect for all. . Enjoy great savings on your trip with OneTravel cheap Portland flights. We offer unbeatable flight deals on top airlines including Delta Air Lines, Frontier Airlines and United Airlines. The average flight time from Indianapolis, IN to Portland, OR is around six hours, including layover time.