NZ$169 Cheap Flights Portland to Ontario (PDX-ONT)

View NZ$169 flight on Tue, 20 Jan. 2026Opens in a new window

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.

Hawaiian Airlines
Wed, 8 Oct. - Sat, 25 Oct.
PDX
Portland
ONT
Ontario
NZ$231 Return, found 2 days ago
NZ$231
Return
found 2 days ago
Select Hawaiian Airlines flight, departing Wed, 8 Oct. from Portland to Ontario, returning Sat, 25 Oct., priced at NZ$231 found 2 days ago
Alaska Airlines
Wed, 8 Oct. - Fri, 24 Oct.
PDX
Portland
ONT
Ontario
NZ$264 Return, found 2 days ago
NZ$264
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 8 Oct. from Portland to Ontario, returning Fri, 24 Oct., priced at NZ$264 found 2 days ago
Alaska Airlines
Sun, 12 Oct. - Tue, 14 Oct.
PDX
Portland
ONT
Ontario
NZ$331 Return, found 2 days ago
NZ$331
Return
found 2 days ago
Select Alaska Airlines flight, departing Sun, 12 Oct. from Portland to Ontario, returning Tue, 14 Oct., priced at NZ$331 found 2 days ago
Delta
Fri, 10 Oct. - Sat, 11 Oct.
PDX
Portland
ONT
Ontario
NZ$349 Return, found 2 days ago
NZ$349
Return
found 2 days ago
Select Delta flight, departing Fri, 10 Oct. from Portland to Ontario, returning Sat, 11 Oct., priced at NZ$349 found 2 days ago
Alaska Airlines
Sun, 12 Oct. - Fri, 17 Oct.
PDX
Portland
ONT
Ontario
NZ$365 Return, found 2 days ago
NZ$365
Return
found 2 days ago
Select Alaska Airlines flight, departing Sun, 12 Oct. from Portland to Ontario, returning Fri, 17 Oct., priced at NZ$365 found 2 days ago
United
Fri, 10 Oct. - Sat, 11 Oct.
PDX
Portland
ONT
Ontario
NZ$416 Return, found 2 days ago
NZ$416
Return
found 2 days ago
Select United flight, departing Fri, 10 Oct. from Portland to Ontario, returning Sat, 11 Oct., priced at NZ$416 found 2 days ago
American Airlines
Fri, 10 Oct. - Sat, 11 Oct.
PDX
Portland
ONT
Ontario
NZ$428 Return, found 2 days ago
NZ$428
Return
found 2 days ago
Select American Airlines flight, departing Fri, 10 Oct. from Portland to Ontario, returning Sat, 11 Oct., priced at NZ$428 found 2 days ago
Delta
Fri, 10 Oct. - Sat, 11 Oct.
PDX
Portland
ONT
Ontario
NZ$467 Return, found 2 days ago
NZ$467
Return
found 2 days ago
Select Delta flight, departing Fri, 10 Oct. from Portland to Ontario, returning Sat, 11 Oct., priced at NZ$467 found 2 days ago
American Airlines
Fri, 10 Oct. - Sat, 11 Oct.
PDX
Portland
ONT
Ontario
NZ$500 Return, found 2 days ago
NZ$500
Return
found 2 days ago
Select American Airlines flight, departing Fri, 10 Oct. from Portland to Ontario, returning Sat, 11 Oct., priced at NZ$500 found 2 days ago
United
Fri, 10 Oct. - Sat, 11 Oct.
PDX
Portland
ONT
Ontario
NZ$523 Return, found 2 days ago
NZ$523
Return
found 2 days ago
Select United flight, departing Fri, 10 Oct. from Portland to Ontario, returning Sat, 11 Oct., priced at NZ$523 found 2 days ago
Flight from Portland to Ontario route information
Origin airport
Portland Intl.
Destination airport
Los Angeles - Ontario Intl.
Return price
NZ$230
Distance
1342 km
Average flight time
2 hours 20 mins

Perfect flights from Portland to Ontario

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Portland to Ontario. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Portland Intl. to Los Angeles - Ontario Intl. ticket options cater to your travel preferences, with incredible one-way fares from NZ$169 and roundtrip prices from NZ$231. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Los Angeles - Ontario Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Ontario.

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 NZ$231. 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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