Cheap Flights from Portland (PDX) to Ontario (ONT)

Popular airlines from Portland International Airport (PDX) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap Flights from Portland (PDX) to Ontario (ONT)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
American Airlines
Delta
Alaska Airlines
Alaska Airlines
American Airlines
American Airlines
Alaska Airlines
Delta
United

Find the cheapest month to fly from Portland (PDX) to Ontario (ONT)

September is typically the cheapest month to fly

From AU$74 - AU$232 per traveller.

Graph displaying average flight prices per month

Flight from Portland to Ontario route information
Origin airport
Portland Intl.
Destination airport
Los Angeles - Ontario Intl.
Return price
AU$332
Distance
1342 km
Average flight time
2 hours 20 mins

Your quick guide to flights from Portland to Ontario

Pick up great flights from Portland to Ontario

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Portland to Ontario. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Portland to Ontario that take around hours.

Find cheap flights from Portland to Ontario

From the great flight deals with prices currently ranging from AU$332 to AU$386, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Portland to Ontario around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Ontario is normally in August.

Reasons to book your flight from Portland to Ontario with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Portland to Ontario across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Ontario right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from Portland Airport to ONT?
If you're planning on travelling from Portland Airport to Ontario Airport, round-trip journeys start from AU$332. This figure is based on airfares listed within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal slip through your fingers. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Portland Airport to Ontario Airport?
Most flights can be cancelled online, but every air carrier has its own terms and conditions. If you do decide to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Portland Intl. Airport (PDX) to Ontario Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Portland Intl. Airport (PDX) to ONT flights, you'll see a "no change fees" filter for you to select.
How far is the flight from PDX to ONT?
It's only 1 350 kilometres between Portland and Ontario. It's quite possible that you'll spend more time travelling to and from the airport than actually flying!
Which airlines fly direct from Portland Airport to Ontario Airport?
Offering 26 flights monthly, Alaska Airlines (AS) is a great choice when flying directly from PDX Airport to Los Angeles - Ontario Intl. Airport (ONT).
Are Portland Intl. Airport (PDX) to Ontario Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices are constantly going up and down, so it's no sure thing. While last-minute deals between Portland Intl. Airport (PDX) and Los Angeles - Ontario Intl. Airport (ONT) are of course possible, it also makes sense to keep a close eye on prices well before you fly. In fact, some air carriers publish their prices up to a year before the departure date. Expedia is constantly updating the biggest airfare bargains around, so check back often and be ready to lock in your seat when the fares dip.

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Ontario Flight Deals

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