Cheap Flights from Portland (PDX) to Ontario (ONT) start at $43 for one-way and $86 for round trip. Earn your airline miles on top of our rewards!

Each day, there are 3 nonstop flights that take off from Portland and land in Ontario, with an average flight time of 2h 18m. The most common departure time is 9:00 pm and most flights take off in the morning. Each week, there are 21 flights and there are …

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Find the best deals on flights from Portland (PDX) to Ontario International (ONT). Compare prices from hundreds of major travel agents and airlines, all in one search.

Detailed flight information from Portland PDX to Ontario ONT. See all airline(s) with scheduled flights and weekly timetables up to 9 months ahead. Flightnumbers and complete route information.

Compare cheap flights to Ontario with Alaska Airlines. Enjoy our low prices and generous experience. Book the lowest fares on Ontario flights today.

2025年3月20日 · All direct (non-stop) flights from Portland to Ontario. See airlines, aircrafts, flight time and distance, flight schedules and timetables.

2025年3月15日 · All flights from PDX to ONT non-stop. There are direct flights from Portland International, Oregon, USA to Ontario International Airport (ONT), California, USA every day of the week with Alaska Airlines and Frontier Airlines. The flight distance is 843 miles and the trip usually takes about 2 hours and 17 minutes.

Find flights to Ontario from $79. Fly from Portland on Delta, American Airlines and more. Search for Ontario flights on KAYAK now to find the best deal.

Fly one-way from Portland, OR, to Ontario/LA starting at $139. Bundle your Southwest Airlines® flight with a hotel or rental car booking and find even more savings.