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Cheap Flights from Portland (PDX) to Ontario (ONT)
Prices were available within the past 7 days and start at £69 for one-way flights and £139 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Origin airport | Portland Intl. |
Destination airport | Los Angeles - Ontario Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Frontier Airlines, United |
Return price | £139 |
Distance | 1342 km |
Compare flights from Portland to Ontario easily and book with confidence
For travelling on business or for pleasure, Expedia makes it easy to book your flights from Portland to Ontario. Operating between them 3 flights per day, 20 airlines cover the route. And Alaska Airlines, Frontier Airlines fly direct, getting you to Los Angeles - Ontario Intl. in just 2hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Portland Intl. to Los Angeles - Ontario Intl..
To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.
Grab a great deal on your flight from Portland Intl. (PDX) to Los Angeles - Ontario Intl. (ONT)
The easiest way to view the best deals on flights from Portland to Ontario today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Portland Intl. to Los Angeles - Ontario Intl. start at just £139 and range up to £180.
To find an even better deal, try
- being flexible on your dates – midweek flights can be cheaper
- looking for other airports near Portland and Ontario
- booking your flight during September, the cheapest month on this route
- varying your flight times – early morning and late at night are sometimes cheaper
Why you should book your Portland to Ontario flight with Expedia!
We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Portland Intl. to Los Angeles - Ontario Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.
Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.
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Top Routes from Portland
- Portland to Chicago (PDX - ORD)
- Portland to Newark (PDX - EWR)
- Portland to San Diego (PDX - SAN)
- Portland to Washington (PDX - DCA)
- Portland to Honolulu (PDX - HNL)
- Portland to Salt Lake City (PDX - SLC)
- Portland to Denver (PDX - DEN)
- Portland to San Jose (PDX - SJC)
- Portland to New York (PDX - JFK)
- Portland to Seattle (PDX - SEA)
- Portland to Vancouver (PDX - YVR)
- Portland to London (PDX - LHR)
Top Routes to Ontario
- Mexico City to Ontario (MEX - ONT)
- Bristol to Ontario (BRS - ONT)
- Manila to Ontario (MNL - ONT)
- Edinburgh to Ontario (EDI - ONT)
- Seattle to Ontario (SEA - ONT)
- Birmingham to Ontario (BHX - ONT)
- London to Ontario (LHR - ONT)
- Aberdeen to Ontario (ABZ - ONT)
- Manchester to Ontario (MAN - ONT)
- London to Ontario (LGW - ONT)
Top Routes from Portland
Top Routes to Ontario
Top Flight Destinations
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- Flights to Seattle
- Flights to Fort Lauderdale
Los Angeles
Orange County
Burbank
Long Beach
Nearby Airports
- Astoria Regional Airport (AST)
- Corvallis Municipal Airport (CVO)
- Bowerman Airport (HQM)
- Yakima Air Terminal - McAllister Field Airport (YKM)
- Seattle - Tacoma Intl. Airport (SEA)
- Boeing Field Airport (BFI)
- Seattle Paine Field Intl. Airport Airport (PAE)
- Pangborn Memorial Airport (EAT)
- Southwest Oregon Regional Airport (OTH)
- Tri-Cities Airport (PSC)