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Riverside is served by Ontario Intl Airport (Ontario, CA)


Flights to Riverside
All fares Portland (PDX) to Ontario (ONT) found by travelers in past 72 hours¤

Today's lowest fares
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Jun
$248
Jul
$193
Aug
$197
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Your one-stop shop for finding the best flights from Portland to Riverside. Simply tell us where and when you want to travel and we'll do all the legwork for you. Featuring the most powerful shopping tools on the web, we search the largest online travel websites, established airfare discounters, plus the world's leading airlines and low-cost carriers to bring back thousands of flight options.

Travel information for Portland, OR to Riverside

Route information
  • Portland, OR is 839 miles from Riverside
  • There are 6 daily flights from Portland, OR to Riverside
  • There are 6 weekly flights from Portland, OR to Riverside
  • 6 non-stop flights are operating from Portland, OR to Riverside today
  • Delta has the most nonstop flights between Portland, OR and Riverside
  • 1 direct flights are operating from Portland, OR to Riverside today
  • Southwest has the most direct flights between Portland, OR and Riverside
  • Phoenix, AZ - Sky Harbor International Airport is the most popular connection for one stop flights between Portland, OR and Riverside
In-Flight Information
  • The average flying time for a direct flight from Portland, OR to Riverside is 2 hours 13 minutes
  • Most direct flights leave around 17:45 PDT
Arrival information
  • Riverside is 14 mi from Ontario Intl Airport (Ontario, CA).
  • Ontario Intl Airport (Ontario, CA)
    • Right now, 15 airlines operate out of Ontario Intl Airport.
    • Ontario Intl Airport offers nonstop flights to 14 cities.
    • Every week, at least 805 domestic flights and 7 international flights depart from Ontario Intl Airport.

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