Best airfares from Ontario to Portland
Jetradar compares airfares from Ontario to Portland with hundreds of airlines (including United Airlines, American Airlines, Alaska Airlines) and dozens of online travel agencies in one single place. We provide you with all the options to find the cheapest flights to Portland, you choose where to book. Also there you can find airlines special offers from Ontario to Portland. The cheapest round-trip price found within the last week was $89. The cheapest oneway price found within the last week was $43.Cheapest Flights from Ontario, CA to Portland, OR
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Airline One Way One Way / Round-Trip Round-Trip 
United Airlines $50 $91 
American Airlines $48 $130 
Alaska Airlines $56 $78 
JetBlue Airways $115 $97 
Aeromexico Find $1,150 -
Airline One Way One Way / Round-Trip Round-Trip 
Virgin America $135 $90 
Spirit Airlines $94 $56 
Frontier Airlines $173 $305 
Southwest Airlines $53 $163 
Volaris $436 $673 -
Airline One Way One Way / Round-Trip Round-Trip 
Penair $309 $389
Flights from Ontario to Portland
Travelling from Ontario to Portland advices and facts
- The distance between Ontario and Portland is 838 miles (or 1348 kilometers).
- The shortest flight time is 2h 41m
- There is no time difference between Ontario and Portland. Check this again shortly before your flight.