Cheap Flights from Ontario International Airport to Portland (Oregon) (PDX) Find and Compare the Best Airline Deals

Departure Date

2025/11
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Other Destinations from:Ontario

Ontario－Albuquerque(Sunport)
USD232〜
Ontario－Albany (New York)(ALB)
USD413〜
* Fares vary in accordance to seat availability
Other Departures to: Portland (Oregon)

Philadelphia Airport－Portland (Oregon)(PDX)
USD278〜
* Fares vary in accordance to seat availability

OntarioOntario International AirportPortland (Oregon)Portland International Airport