Cheap Flights from Riverside (RAL) to St. Louis (XLS)

Popular airlines from Riverside, CA (RAL-Riverside Municipal) to St. Louis (XLS)

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Frequently asked questions

How much does a flight from Riverside, CA (RAL-Riverside Municipal) to St. Louis (XLS) cost?
Snag a cheap one-way flight or cheap return flight from Riverside, CA (RAL-Riverside Municipal) to St. Louis (XLS) 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 Riverside, CA (RAL-Riverside Municipal) to St. Louis (XLS)?
is the cheapest month to fly from RAL to XLS. Traveling during quieter months is often the key to scoring lower fares.
What is the cheapest airline that flies from Riverside, CA (RAL-Riverside Municipal) to St. Louis (XLS)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest RAL to XLS flight.
How many flights per day from Riverside, CA (RAL-Riverside Municipal) to St. Louis (XLS)?
There are no daily nonstop flights from Riverside, CA (RAL-Riverside Municipal) to St. Louis (XLS). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from RAL to XLS?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on a range of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Riverside, CA (RAL-Riverside Municipal) to St. Louis (XLS)?
Choose a flight from Riverside, CA (RAL-Riverside Municipal) to St. Louis (XLS) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Later departures are on average 22% more likely to be canceled.**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.
Is it cheaper to buy a plane ticket from Riverside, CA (RAL-Riverside Municipal) to St. Louis (XLS) last-minute?
Booking your plane ticket from RAL to XLS shortly before your journey is generally more expensive. But if there's some wiggle room with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a RAL to XLS flight and hotel package?
Compared with arranging hotels and flights separately, booking a RAL to XLS flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place takes the hassle out of planning your trip. Simply secure your flights and select from our extensive range of hotels, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Riverside, CA (RAL-Riverside Municipal) to St. Louis (XLS)?
If you reserved your RAL to XLS 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 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 information.

Travel information

Travel information

Origin airport
Riverside Municipal
Destination airport
St. Louis
Distance
6208 mi

Book with confidence

Book with confidence

Riverside to St. Louis Flights

The cheapest times to fly from Riverside to St. Louis

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

 

The best time to book a flight from Riverside to St. Louis

Sunday is one of the best days to book for cheap flights from Riverside to St. Louis: 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 Riverside to St. Louis

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 Riverside to St. Louis 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 Riverside to St. Louis 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 Riverside to St. Louis 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.

 

Riverside to St. Louis Flights

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