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PWM (Portland) to ONT (Ontario) Flights $451.8

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Ontario Mon 96°/62℉

Cheap PWM to ONT Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Orange County


Long Beach


Interesting Facts About Flights from Portland to Ontario (PWM to ONT)

Question : Do prices fluctuate more for this route than others?
Answer : Flight prices are fluctuating less for this route than most routes in the United States, as they're ranging from $522 to $798. Prices tend to be lower the further out you book.

Question : Do travelers from Portland typically stay in Ontario for very long?
Answer : Over the next two months, travelers from PWM to ONT are planning on staying for about one week on average.

Question : Over the coming months, which airline is getting their passengers to Ontario International Airport (ONT) round-trip the cheapest?
Answer : American Airlines is offering the best deal at $522. Better take a look quickly because prices range all the way up to $798 over the next three months.

Question : Looking for the cheapest flight over the next 30 days?
Answer : As of Jun 19th, the cheapest day to fly from Portland to Ontario is Jul 19th. Tickets are currently being sold for $590, which is 13% below the average price for this route.

Question : Will you do what it takes to get the absolute cheapest flight?
Answer : In July, Wednesday is your lowest-cost day to fly. Flexibility is paramount when booking travel plans in order to keep travel costs down.