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A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Portland to Ontario:
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Answers to questions about the route that travelers are most interested in.
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Unable to find information about the schedule of direct flights from
A non-stop flight is the most convenient and comfortable way to fly from Portland to Ontario, despite the fact that sometimes flights with transfers can cost significantly less.
Portland — Ontario
02/16/2026
Departure
Direct flight
HA6370
starting at $214
starting at $214
starting at $76
The route Portland — Ontario is served by several airlines: Hawaiian Airlines and Frontier Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $76 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.
The cheapest one-way flight from Portland to Ontario departs on 02/17/2026, is operated by Frontier Airlines and costs $76
The cheapest roundtrip flight from Portland to Ontario departs on 03/03/2026, is operated by Alaska Airlines and costs $167
Fastest flight from Portland to Ontario takes 14h 53m
There are direct flights on this route 1 day a week: Mo
The distance between Portland and Ontario is 1350km (837 miles). Portland and Ontario are in the same time zone
We couldn't find any special offers for flights from Portland to Ontario
The cheapest flight ticket from Portland to Ontario according to data for the last 48 hours costs $76
Often the best time to buy tickets from Portland to Ontario is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Portland to Ontario can be found flying in these months: July, February.
The fastest flights from Portland to Ontario start from 14 hours 53 minutes in the air.
The following airlines operate direct flights on the route Portland — Ontario: Hawaiian Airlines
The minimum one-way ticket price from Portland to Ontario is $139 (July 2026), while the maximum is $175 (February 2026). On average, a ticket costs $157–$175.