$62+ Cheap flights from Riverside, CA to Portland (PDX)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Riverside to Portland with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Riverside to Portland are usually found in January or February, booked 86 days in advance, depart on a Tuesday or Saturday and return on a Thursday
Cheap flight deals from Riverside to Portland
Keep the following information in mind while searching for Riverside to Portland flight deals. Data was last updated April 25, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $96 (Cheapflightsfares) |
One-way from | $62 (Cheapflightsfares) |
Popular in | November |
Cheapest in | January |
Average price | $197 |
Find flight deals from Riverside to Portland
Cheapest flights from Riverside to PortlandExplore the most affordable flight options available from Riverside to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.
Explore the most affordable flight options available from Riverside to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Alaska Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Riverside to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 25, 2025.
Use the filters below to find and compare flights from Riverside to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Los AngelesPortland
LAX - PDX
LAXPDX
Los Angeles
Fri 5/16
9:34 am-12:15 pm
Nonstop2h 41m
Portland
Sun 5/18
4:42 pm-7:05 pm
Nonstop2h 23m
Los AngelesPortland
LAX - PDX
LAXPDX
Los Angeles
Wed 5/21
10:30 am-4:45 pm
1 stop6h 15m
Portland
Sun 5/25
1:24 pm-3:47 pm
Nonstop2h 23m
Los AngelesPortland
LAX - PDX
LAXPDX
Los Angeles
Fri 5/9
6:00 am-4:45 pm
1 stop10h 45m
Portland
Mon 5/12
5:40 pm-9:56 am
1 stop16h 16m
Los AngelesPortland
LAX - PDX
LAXPDX
Los Angeles
Sat 5/17
7:00 am-9:28 am
Nonstop2h 28m
Portland
Sat 5/17
12:57 pm-3:24 pm
Nonstop2h 27m
Los AngelesPortland
LAX - PDX
LAXPDX
Los Angeles
Sat 5/17
7:00 am-9:24 am
Nonstop2h 24m
Portland
Wed 5/21
6:11 am-8:35 am
Nonstop2h 24m
Los AngelesPortland
LAX - PDX
LAXPDX
Los Angeles
Tue 5/20
9:31 am-1:41 pm
1 stop4h 10m
Portland
Fri 5/23
9:30 pm-11:56 pm
Nonstop2h 26m
Los AngelesPortland
LAX - PDX
LAXPDX
Los Angeles
Sat 6/21
5:20 pm-9:25 pm
1 stop4h 05m
Portland
Thu 6/26
10:25 am-3:50 pm
1 stop5h 25m
Los AngelesPortland
LAX - PDX
LAXPDX
Los Angeles
Wed 5/28
10:30 am-4:45 pm
1 stop6h 15m
Los AngelesPortland
LAX - PDX
LAXPDX
Los Angeles
Thu 6/12
9:43 am-12:14 pm
Nonstop2h 31m
Los AngelesPortland
LAX - PDX
LAXPDX
Los Angeles
Wed 6/11
8:25 pm-10:45 pm
Nonstop2h 20m
Best time to book a flight from Riverside to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Riverside with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Riverside to Portland
How far ahead should I book a flight from Riverside to Portland?
Use this chart to determine the optimal time to book a round-trip flight from Riverside to Portland. Price data was last updated on April 18, 2025.
Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Riverside to Portland. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Riverside to Portland?
Currently, November is the cheapest month in which you can book a flight from Riverside to Portland (average of $277). Flying from Riverside to Portland in March is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from R1V to PDX?
Find hourly flight availability from Riverside to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 25, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Riverside to Portland as you normally would.
What is the cheapest day to fly from Riverside to Portland?
Use this chart to determine the cheapest time to fly round-trip from Riverside to Portland. Price data was last updated on March 30, 2025.
Travelers seeking maximum savings on their Riverside to Portland flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Riverside to Portland
Explore weekly flight availability from Riverside to Portland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 25, 2025.
The most flights from R1V to PDX are scheduled on a Friday (74 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (32 on average).
Rainfall in Portland by month
Plan your trip to Portland by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.
Temperature in Portland by month
Plan your trip to Portland by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).
Reviews of airlines servicing Portland
Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated April 25, 2025.
Read through reviews of airlines operating flights from Riverside to Portland, such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
Entertainment
Food
Boarding
Comfort
Crew
Reviews
Anonymous,Dec 2024
STS - PDX
Overall
Entertainment
Food
Boarding
Comfort
Crew
Reviews
Anonymous,Dec 2024
STS - PDX
Overall
Entertainment
Food
Boarding
Comfort
Crew
Reviews
Anonymous,Dec 2024
STS - PDX
Overall
Entertainment
Food
Boarding
Comfort
Crew
Reviews
Anonymous,Dec 2024
STS - PDX
Overall
Entertainment
Food
Boarding
Comfort
Crew
Reviews
Anonymous,Dec 2024
STS - PDX
Overall
Entertainment
Food
Boarding
Comfort
Crew
Reviews
Anonymous,Dec 2024
STS - PDX
Related info for your journey
Find useful and relevant information for your journey from Riverside to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Riverside to Portland
See prices for flight routes from nearby airports that may be better suited for you.
Top 8 airlines flying from Riverside to Portland
Discover the top 8 airlines that operate flights from Riverside to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 25, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$34 | Average$118 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$48 | Average$122 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$88 | Average$254 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$113 | Average$247 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$118 | Average$241 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$155 | Average$368 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$172 | Average$307 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$186 | Average$336 | FlexibilityNo cancel fee | On-time69% |