Cheap Flights from St. Louis (STL) to Richland (RLD)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Richland, WA (RLD)

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Alternative airports near Richland

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

Select flight to Tri-Cities PSC. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $551
PSC
Tri-Cities
Cheapest
Average driving time to city center16 min
Flights from $551

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Richland Airport (RLD) cost?
Grab a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Richland Airport (RLD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Richland Airport (RLD)?
is the least expensive month to fly from STL to RLD. Traveling outside of peak seasons is often the key to finding better fares.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Richland Airport (RLD)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from STL to RLD. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Richland Airport (RLD)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to Richland Airport (RLD) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's 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 STL to RLD?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Richland Airport (RLD)?
To land at Richland Airport (RLD) on time, choose a flight that leaves from Lambert-St. Louis Intl. Airport (STL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Lambert-St. Louis Intl. Airport (STL) to Richland Airport (RLD) last-minute?
Last-minute bookings from STL to RLD are generally more expensive. For the best rates, start looking for flights well in advance. That said, if you're flexible with your travel plans, you may land a cheap fare right before your trip.
Is it cheaper to book a STL to RLD flight and hotel package?
Securing a STL to RLD flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our wide range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Richland Airport (RLD)?
You can usually reschedule or cancel your STL to RLD flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Richland
Distance
1552 mi

Book with confidence

Book with confidence

St. Louis to Richland Flights

The cheapest times to fly from St. Louis to Richland

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

 

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

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

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 St. Louis to Richland 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 St. Louis to Richland 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 St. Louis to Richland 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.

 

St. Louis to Richland Flights

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*Available to One Key members.