Unable to find information about the schedule of direct flights from
Helping travelers to find the best flight offers
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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We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Looking for cheap flights from Portland, United States to Ontario, United States? Look no further! Our air ticket search website offers unbeatable deals for your travel needs. With our user-friendly interface, finding affordable flights has never been easier. Discover the picturesque beauty and charm of Ontario without breaking the bank. Whether you're visiting for business or pleasure, our website allows you to compare prices from multiple airlines, ensuring that you get the best bang for your buck. Take advantage of our exclusive discounts and special offers to save even more on your airfare. Don't waste time navigating through multiple websites - we bring all the options to your fingertips. Start planning your trip today and book your affordable flight with us. Experience seamless booking and exceptional customer service. Why pay more when you can travel smarter? Explore our website now and embark on your next adventure without spending a fortune.
Unable to find information about the schedule of direct flights from
A direct 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.
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Portland to Ontario
The cheapest one-way flight from Portland to Ontario departs on 12/13/2025, is operated by Frontier Airlines and costs $24
The cheapest roundtrip flight from Portland to Ontario departs on 11/28/2025, is operated by Frontier Airlines and costs $184
Fastest flight from Portland to Ontario takes 2h 20m
There are direct flights on this route 2 days a week: Th and Sa
The distance between Portland and Ontario is 1350km (837 miles). There are 48 direct flights from Portland to Ontario. Portland and Ontario are in the same time zone. Flights from Portland begin at 10:40 AM. The latest flight from Portland departs at 9:30 PM
Portland — Los Angeles
11/26/2025
Departure
Direct flight
AS713
Starting at $399
Portland — Los Angeles
11/29/2025
Departure
Direct flight
AS121
Starting at $578
Portland — Los Angeles
12/14/2025
Departure
Direct flight
AS520
Starting at $145
Portland — Los Angeles
12/16/2025
Departure
Direct flight
AS4307
Starting at $97
Portland — Los Angeles
01/07/2026
Departure
Direct flight
0G6443
Starting at $148
Portland — Ontario
12/03/2025
Departure
Direct flight
AS97
Starting at $302
Starting at $97
Starting at $70
Starting at $24
Starting at $73
Starting at $191
The Portland — Ontario route is served by a wide range of airlines: 5 in total, including Alaska Airlines, Grumeti Air, Frontier Airlines, JetHunter, and Southwest Airlines. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $24. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.
The cheapest flight ticket from Portland to Ontario according to data for the last 48 hours costs $24
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: December.
The fastest flights from Portland to Ontario start from 2 hours 20 minutes in the air.
The following airlines operate direct flights on the route Portland — Ontario: Alaska Airlines, Grumeti Air
We couldn't find any special offers for flights from Portland to Ontario
