$34 Cheap flight deals from Portland (PDX) to Riverside (QLA)

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This Weekend's Flight Deals from Portland to Riverside

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, May 26 - Sun, Jun 2
PDX
Portland Intl.
ONT
Los Angeles - Ontario Intl.
$203 Roundtrip, found 3 hours ago
$203
Roundtrip
found 3 hours ago
Select Delta flight, departing Sun, May 26 from Portland Intl. to Los Angeles - Ontario Intl., returning Sun, Jun 2, priced at $203 found 3 hours ago
Sat, May 25 - Mon, May 27
PDX
Portland Intl.
SNA
John Wayne
$348 Roundtrip, found 10 hours ago
$348
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Sat, May 25 from Portland Intl. to John Wayne, returning Mon, May 27, priced at $348 found 10 hours ago
Sun, May 26 - Wed, Jun 5
PDX
Portland Intl.
PSP
Palm Springs Intl.
$538 Roundtrip, found 3 days ago
$538
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sun, May 26 from Portland Intl. to Palm Springs Intl., returning Wed, Jun 5, priced at $538 found 3 days ago

Airfares from $34 One Way, $68 Round Trip from Portland to Riverside

Prices starting at $68 for return flights and $34 for one-way flights to Riverside were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jun 1 - Tue, Jun 4
PDX
Portland
ONT
Ontario
$68 Roundtrip, found 1 hour ago
$68
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Jun 1 from Portland to Ontario, returning Tue, Jun 4, priced at $68 found 1 hour ago
Sat, Aug 10 - Sat, Aug 17
PDX
Portland
ONT
Ontario
$73 Roundtrip, found 13 hours ago
$73
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Sat, Aug 10 from Portland to Ontario, returning Sat, Aug 17, priced at $73 found 13 hours ago
Tue, Aug 6 - Wed, Aug 7
PDX
Portland
ONT
Ontario
$76 Roundtrip, found 11 hours ago
$76
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Tue, Aug 6 from Portland to Ontario, returning Wed, Aug 7, priced at $76 found 11 hours ago
Wed, Sep 18 - Sat, Sep 21
PDX
Portland
SNA
Orange County
$94 Roundtrip, found 5 hours ago
$94
Roundtrip
found 5 hours ago
Select Spirit Airlines flight, departing Wed, Sep 18 from Portland to Orange County, returning Sat, Sep 21, priced at $94 found 5 hours ago
Wed, Sep 25 - Wed, Oct 2
PDX
Portland
ONT
Ontario
$196 Roundtrip, found 13 hours ago
$196
Roundtrip
found 13 hours ago
Select Delta flight, departing Wed, Sep 25 from Portland to Ontario, returning Wed, Oct 2, priced at $196 found 13 hours ago

Riverside economy flight packages

Price found within the past 48 hours. Click for updated prices.
Ontario Airport Hotel & Conference Center
3.5-star property

Ontario Airport Hotel & Conference Center

8.6/10 Excellent! (2,309 reviews)

Jul 5 - Jul 8

3 night stay

Portland (PDX) to Ontario (ONT)

Frontier Airlines • Roundtrip • Coach
per person
Very friendly professional stuff, easy fast check in/out, conveniently located

Reviewed on Apr 27, 2024

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More About Flying To Riverside from Portland

Route Information for Flights from Portland to Riverside

Origin Airport IATA Code
PDX
Destination Airport IATA Code
QLA
Distance
859 mi
Direct Flight Airlines
American Airlines, Alaska Airlines, Southwest Airlines
Earliest Flight Arrival
4:28PM UTC
Latest Flight Arrival
5:30AM UTC

Portland to Riverside

Orbitz is the best place to find guaranteed low prices on Portland to Riverside flights. Because of our cutting-edge mobile tools and low fares on domestic and international flights, Orbitz is the best starting point for travelers.

Find Cheap Portland to Riverside Flights

Orbitz offers free mobile apps for iPhone and Android devices—a great way to find fantastic deals on flights from Portland to Riverside. Not only that, but you can check the status of your flight or even book low cost hotel rooms with the apps or on m.orbitz.com.

Get Miles and Points for Your Flight

Simply enter your frequent flyer information while booking to get miles or points for qualifying Portland to Riverside flights. This information can all be saved in your Orbitz account, which means it will not have to be entered each time you take advantage of a great air fare deal.

Flight Alerts Take Away the Stress

Orbitz does not want travelers to worry on their flights from Portland to Riverside. We keep you updated on any flight changes for Portland to Riverside flights with alerts sent directly to your email or a mobile device. These alerts can also be sent to friends and family.

Discount Travel Planning Made Simple

You will have no problems finding budget flights from Portland to Riverside on Orbitz.com. If your travel plans are flexible, you can search for fares three days before and after a specific date to find the best price.

Frequently asked questions

Are there non-stop flights from Portland to Riverside?
Yep, your memorable getaway is just a simple flight away. Reserve your favorite seat on board one of the 3 carriers that fly direct from Portland Airport to LAX. Popular choices include:

  • Alaska Airlines
  • Delta
  • American Airlines

What is the shortest flight from Portland to Riverside?
It can take as little as 2 hours and 50 minutes. If you believe your vacation hours should be spent ‘vacationing’ rather than flying, you’ll enjoy the flight from Portland, OR (PDX-Portland Intl.) to Orange County, CA (SNA-John Wayne).
What airlines fly from Portland to Riverside most frequently?
Have a look at Alaska Airlines (AS). This airline offers some of the most frequent flights from Portland Intl. Airport (PDX) to Los Angeles, CA (LAX-Los Angeles Intl.). It operates 199 services on this route every month and is a favorite with passengers. Delta (DL) also operates services from Portland to Riverside. It’s another great option and offers 147 flights each month.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won’t keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.