Cheap Flights from Portland (PDX) to Riverside (RAL)

Popular airlines from Portland International Airport (PDX) to Riverside, CA (RAL-Riverside Municipal)

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Alternative airports near Riverside

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

Select flight to John Wayne SNA. Average driving time to city center is 45 minutes. Flights from $339
SNA
John Wayne
Average driving time to city center45 min
Flights from $339
Select flight to Los Angeles - Ontario Intl. ONT. Cheapest option available. Average driving time to city center is 21 minutes. Flights from $236
ONT
Los Angeles - Ontario Intl.
Cheapest
Average driving time to city center21 min
Flights from $236

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Riverside, CA (RAL-Riverside Municipal) cost?
Secure a cheap one-way flight or cheap return flight from Portland Intl. Airport (PDX) to Riverside, CA (RAL-Riverside Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Riverside, CA (RAL-Riverside Municipal)?
is the most affordable month to fly from PDX to RAL. Avoiding peak travel times is often the key to better flight prices.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Riverside, CA (RAL-Riverside Municipal)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest PDX to RAL flight.
How many flights per day from Portland Intl. Airport (PDX) to Riverside, CA (RAL-Riverside Municipal)?
There aren't any daily nonstop flights available from Portland Intl. Airport (PDX) to Riverside, CA (RAL-Riverside Municipal). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from PDX to RAL?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Riverside, CA (RAL-Riverside Municipal)?
To arrive at Riverside, CA (RAL-Riverside Municipal) on time, select a flight that leaves from Portland Intl. Airport (PDX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Riverside from Portland Intl. Airport (PDX)?
You can touch down at one of these Riverside airports following your direct flight from Portland Intl. Airport (PDX):

  • John Wayne Airport (SNA)
  • Palm Springs Intl. Airport (PSP)
  • Los Angeles - Ontario Intl. Airport (ONT)

Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Riverside, CA (RAL-Riverside Municipal) last-minute?
Last-minute fares from PDX to RAL are usually more expensive. To secure the cheapest rates, start looking for flights well in advance. That said, if you're flexible with your travel dates, you may find a cheap ticket right before your journey.
Is it cheaper to book a PDX to RAL flight and hotel package?
Compared with arranging flights and hotels separately, booking a PDX to RAL flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place will take the stress out of planning your trip. Simply pick your flights and select from our extensive range of hotels, then personalize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Riverside, CA (RAL-Riverside Municipal)?
If you booked your PDX to RAL flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Portland Intl.
Destination airport
Riverside Municipal
Distance
848 mi

Book with confidence

Book with confidence

Portland to Riverside Flights

The cheapest times to fly from Portland to Riverside

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Riverside are during the month of . You can find some of the cheapest flights from Portland to Riverside with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Riverside

Sunday is one of the best days to book for cheap flights from Portland to Riverside: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Riverside

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Riverside in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Riverside flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Riverside airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Portland to Riverside Flights

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