
Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Portland International Airport (PDX)
- Alaska Airlines
Alaska Airlines
- Southwest Airlines
Southwest Airlines
- United
United
- Delta
Delta
- Frontier Airlines
Frontier Airlines
- American Airlines
American Airlines
- Hawaiian Airlines
Hawaiian Airlines
- Plan, book, fly with confidence
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Cheap Flights from Ontario (ONT) to Portland (PDX)
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.




Find the cheapest month to fly from Ontario (ONT) to Portland (PDX)
September is typically the cheapest month to fly
Graph displaying average flight prices per month
Origin airport | Los Angeles - Ontario Intl. |
Destination airport | Portland Intl. |
Return price | AU$241 |
Distance | 1342 km |
Average flight time | 3 hours 5 mins |
Your quick guide to flights from Ontario to Portland
Pick up great flights from Ontario to Portland
With Expedia, you have your pick of flights a day with 20 airlines covering flights from Ontario to Portland. 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 Ontario to Portland that take around hours.
Find cheap flights from Ontario to Portland
From the great flight deals with prices currently ranging from AU$241 to AU$822, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Ontario to Portland 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 Portland is normally in September.
Reasons to book your flight from Ontario to Portland 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 Ontario to Portland 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 Portland right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.
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Top Routes from Ontario
Top Routes to Portland
- Chicago to Portland (ORD - PDX)
- Darwin to Portland (DRW - PDX)
- Adelaide to Portland (ADL - PDX)
- Cairns to Portland (CNS - PDX)
- Denver to Portland (DEN - PDX)
- Gold Coast to Portland (OOL - PDX)
- Canberra to Portland (CBR - PDX)
- Vancouver to Portland (YVR - PDX)
- Melbourne to Portland (MEL - PDX)
- Townsville to Portland (TSV - PDX)
- Brisbane to Portland (BNE - PDX)
- Toronto to Portland (YYZ - PDX)
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Alternative Routes
- John Wayne Airport (SNA)
- Long Beach Municipal Airport (LGB)
- French Valley Airport (RBK)
- Hawthorne Municipal Airport (HHR)
- Hollywood Burbank Airport (BUR)
- Los Angeles Intl. Airport (LAX)
- Palmdale Regional Airport (PMD)
- Van Nuys Airport (VNY)
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- McClellan-Palomar Airport (CLD)
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