Cheap Flights from Seattle (SEA) to Riverside (RAL)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Riverside, CA (RAL-Riverside Municipal)

Alternative airports near Riverside

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

Select flight to Los Angeles - Ontario Intl. ONT. Cheapest option available. Average driving time to city center is 21 minutes. Flights from $121
ONT
Los Angeles - Ontario Intl.
Cheapest
Average driving time to city center21 min
Flights from $121

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Riverside, CA (RAL-Riverside Municipal) cost?
Grab a cheap one-way flight or cheap return flight from Seattle - Tacoma Intl. Airport (SEA) to Riverside, CA (RAL-Riverside Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Riverside, CA (RAL-Riverside Municipal)?
The cheapest month to fly from SEA to RAL is , when demand is low. Off-peak months are often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Riverside, CA (RAL-Riverside Municipal)?
To find the cheapest airline that'll fly you from SEA to RAL, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Riverside, CA (RAL-Riverside Municipal)?
Direct flights from Seattle - Tacoma Intl. Airport (SEA) to Riverside, CA (RAL-Riverside Municipal) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SEA to RAL?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Riverside, CA (RAL-Riverside Municipal)?
Book a flight from Seattle - Tacoma Intl. Airport (SEA) to Riverside, CA (RAL-Riverside Municipal) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**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 Seattle - Tacoma Intl. Airport (SEA)?
Seattle - Tacoma Intl. Airport (SEA) offers direct flights to Riverside. These are a few of the airports you can fly straight to:

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

Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Riverside, CA (RAL-Riverside Municipal) last-minute?
Last-minute fares from SEA to RAL are usually more expensive. To secure the best prices, start searching for flights well ahead of time. That being said, if you're flexible with your travel dates, you may land a cheap fare right before your journey.
Is it cheaper to book a SEA to RAL flight and hotel package?
Opting for a SEA to RAL flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our wide range of accommodations and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Riverside, CA (RAL-Riverside Municipal)?
If you reserved your SEA to RAL flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Riverside Municipal
Distance
965 mi

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Seattle to Riverside Flights

The cheapest times to fly from Seattle 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 Seattle to Riverside are during the month of . You can find some of the cheapest flights from Seattle to Riverside with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Riverside

Sunday is one of the best days to book for cheap flights from Seattle 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 Seattle 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 Seattle 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 Seattle 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 Seattle 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.

 

Seattle to Riverside Flights

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*Available to One Key members.