￥11,450 Cheap Flights from Ontario (ONT) to Portland (PDX)

View ￥11,450 flight on Wed, Jan 28, 2026Opens in a new window

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

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Cheap Flights from Ontario to Portland (ONT-PDX)

Prices were available within the past 7 days and start at ￥11,450 for one-way flights and ￥21,380 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Sat, Jan 24 - Tue, Jan 27
ONT
Ontario
PDX
Portland
￥21,380 Roundtrip, found 3 hours ago
￥21,380
Roundtrip
found 3 hours ago
Select Hawaiian Airlines flight, departing Sat, Jan 24 from Ontario to Portland, returning Tue, Jan 27, priced at ￥21,380 found 3 hours ago
Delta
Sat, Feb 7 - Tue, Feb 10
ONT
Ontario
PDX
Portland
￥22,890 Roundtrip, found 4 days ago
￥22,890
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Feb 7 from Ontario to Portland, returning Tue, Feb 10, priced at ￥22,890 found 4 days ago
Alaska Airlines
Sat, Feb 7 - Tue, Feb 10
ONT
Ontario
PDX
Portland
￥23,650 Roundtrip, found 4 days ago
￥23,650
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Feb 7 from Ontario to Portland, returning Tue, Feb 10, priced at ￥23,650 found 4 days ago
Alaska Airlines
Sat, Feb 7 - Tue, Feb 10
ONT
Ontario
PDX
Portland
￥24,400 Roundtrip, found 4 days ago
￥24,400
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Feb 7 from Ontario to Portland, returning Tue, Feb 10, priced at ￥24,400 found 4 days ago
Hawaiian Airlines
Thu, Jan 22 - Sat, Jan 24
ONT
Ontario
PDX
Portland
￥24,500 Roundtrip, found 3 hours ago
￥24,500
Roundtrip
found 3 hours ago
Select Hawaiian Airlines flight, departing Thu, Jan 22 from Ontario to Portland, returning Sat, Jan 24, priced at ￥24,500 found 3 hours ago
Alaska Airlines
Sat, Feb 7 - Tue, Feb 10
ONT
Ontario
PDX
Portland
￥25,250 Roundtrip, found 4 days ago
￥25,250
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Feb 7 from Ontario to Portland, returning Tue, Feb 10, priced at ￥25,250 found 4 days ago
Alaska Airlines
Sat, Feb 7 - Tue, Feb 10
ONT
Ontario
PDX
Portland
￥26,000 Roundtrip, found 4 days ago
￥26,000
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Feb 7 from Ontario to Portland, returning Tue, Feb 10, priced at ￥26,000 found 4 days ago
Delta
Wed, Jan 21 - Mon, Jan 26
ONT
Ontario
PDX
Portland
￥26,010 Roundtrip, found 4 days ago
￥26,010
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Jan 21 from Ontario to Portland, returning Mon, Jan 26, priced at ￥26,010 found 4 days ago
American Airlines
Wed, Jan 21 - Mon, Jan 26
ONT
Ontario
PDX
Portland
￥26,870 Roundtrip, found 4 days ago
￥26,870
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Jan 21 from Ontario to Portland, returning Mon, Jan 26, priced at ￥26,870 found 4 days ago
United
Sat, Feb 7 - Tue, Feb 10
ONT
Ontario
PDX
Portland
￥27,670 Roundtrip, found 4 days ago
￥27,670
Roundtrip
found 4 days ago
Select United flight, departing Sat, Feb 7 from Ontario to Portland, returning Tue, Feb 10, priced at ￥27,670 found 4 days ago

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

October is typically the cheapest month to fly

From ￥12,439 - ￥36,805 per traveler.

Alternative airports near Portland

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Portland Intl. PDX. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from ￥40,630
PDX
Portland Intl.
CheapestClosest
Average driving time to city center17 min
Flights from ￥40,630
Flights from Ontario (ONT) to Portland (PDX)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Portland Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
￥21,380
Distance
1342 km
Average flight time
2 hours 27 mins

Ontario to Portland Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Ontario to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Portland.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with ONT to PDX flights that won’t make your bank account wince. Ready to temporarily leave behind Ontario for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to PDX with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Ontario Airport to Portland Airport?
Round-trip tickets from ONT to PDX Airport start from ￥21,380. This is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Los Angeles - Ontario Intl. Airport (ONT) to Portland Intl. Airport (PDX)?
Every airline has its own terms and conditions. If you decide to cancel your getaway, visit our Customer Service Portal.
How do I find cheap flights from Los Angeles - Ontario Intl. Airport (ONT) to PDX 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 ONT to Portland Intl. Airport (PDX) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Ontario Airport to PDX?
The flight time from ONT to Portland Intl. Airport (PDX) is approximately 6 hours and 25 minutes. Put your headphones on, listen to a good podcast and the hours will fly by.
How far is the flight from Ontario Airport to Portland Intl. Airport (PDX)?
That movie you've been eager to see will just have to wait — the flight distance between ONT and PDX Airport is only 1,350 kilometers. The captain will be instructing you to put your seat upright for landing before you know it.
Which airlines fly direct from Ontario Airport to Portland Airport?
A favorite with many frequent flyers, Alaska Airlines (AS) offers 30 flights monthly from Los Angeles - Ontario Intl. Airport (ONT) to Portland Airport. Pick the one that fits in with your travel plans and book your seat today.
Are Los Angeles - Ontario Intl. Airport (ONT) to Portland Intl. Airport (PDX) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from ONT to PDX Airport at the last minute could be your ticket to a cheap deal. However, it might cost you a whole lot more! If you'd prefer not to take the risk, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back regularly as deals are updated on Expedia all the time.
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