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

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

May is typically the cheapest month to fly

From RM 637 - RM 1,167 per traveller.

Book with confidence

Perfect flights from Portland to Ontario Intl. Airport

Your Journey from Portland to Ontario Intl. Airport

Start your unforgettable journey with Expedia. Our broad selection of flights from Portland to Ontario Intl. Airport caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including
. Our selection of flights from Portland Intl. to Ontario Intl. Airport caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from airlines, you're bound to find the perfect flight.

Maximizing Value with Portland to Ontario Intl. Airport Flights

Experience the joy of finding cheap flights from Portland Intl. to Ontario Intl. Airport that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares
and roundtrip prices
*.

Pre-Flight Essentials

Ensure a smooth journey from Portland to Ontario Intl. Airport with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.

Experience the Vibrant Ontario Intl. Airport

Picture yourself stepping off the plane in Ontario Intl. Airport and immersing yourself in the unique atmosphere of Los Angeles. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.

Added Convenience on Your Portland to Ontario Intl. Airport Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Portland to Ontario Intl. Airport.

Beyond the Flight – Exploring Ontario Intl. Airport

With Expedia, your adventure extends beyond the flight. Explore Ontario Intl. Airport at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.

Book Your Flight from Portland to Ontario Intl. Airport with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Portland to Ontario Intl. Airport with confidence. Book your travel arrangements with Expedia today.
*Note: Prices may vary based on availability and are subject to change.

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 . 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.

Travel information

Origin airport
Portland International Airport
Destination airport
Ontario Intl. Airport
Distance
1,350 km away
Airlines serving
Alaska Airlines, United, Southwest Airlines, Delta, American Airlines, Frontier Airlines
Popular airline
Alaska Airlines
Average flight time
2 hours 28 mins
*Available to Expedia members.