Cheap Flights from Portland (PDX) to Ontario Intl. Airport (ONT)

If you're planning on travelling from Portland Airport to Ontario Airport, round-trip journeys start from AU$528. 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.

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.

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.

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!

Offering 26 flights monthly, Alaska Airlines (AS) is a great choice when flying directly from PDX Airport to Los Angeles - Ontario Intl. Airport (ONT).

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.