Cheap Flights from St. Louis (CPS) to Kansas City (MKC)

Popular airlines from St. Louis, MO (CPS-St. Louis Downtown) to Charles B. Wheeler Downtown Airport (MKC)

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Frequently asked questions

How much does a flight from St. Louis Downtown Airport (CPS) to Charles B. Wheeler Downtown Airport (MKC) cost?
Get a cheap one-way flight or cheap return flight from St. Louis Downtown Airport (CPS) to Charles B. Wheeler Downtown Airport (MKC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from St. Louis Downtown Airport (CPS) to Charles B. Wheeler Downtown Airport (MKC)?
The cheapest month to fly from CPS to MKC is , when there's less demand. Off-peak months are usually when airlines offer lower prices between these airports.
What is the cheapest airline that flies from St. Louis Downtown Airport (CPS) to Charles B. Wheeler Downtown Airport (MKC)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest CPS to MKC flight.
How many flights per day from St. Louis Downtown Airport (CPS) to Charles B. Wheeler Downtown Airport (MKC)?
Direct flights from St. Louis Downtown Airport (CPS) to Charles B. Wheeler Downtown Airport (MKC) 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 dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CPS to MKC?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the airline, season 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 St. Louis Downtown Airport (CPS) to Charles B. Wheeler Downtown Airport (MKC)?
Opt for a flight from St. Louis Downtown Airport (CPS) to Charles B. Wheeler Downtown Airport (MKC) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures later than this 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 St. Louis Downtown Airport (CPS) to Charles B. Wheeler Downtown Airport (MKC) last-minute?
Holding off until just before your departure to book a flight from CPS to MKC often results in higher prices. While it's possible to find some last-minute deals, they're not always guaranteed. Allow some flexibility in your schedule for the best chance of landing a bargain.
Can I cancel or change the date of my flight from St. Louis Downtown Airport (CPS) to Charles B. Wheeler Downtown Airport (MKC)?
Usually, it's possible to cancel or reschedule your CPS to MKC flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
St. Louis Downtown
Destination airport
Charles B. Wheeler Downtown
Distance
241 mi

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St. Louis to Kansas City Flights

The cheapest times to fly from St. Louis to Kansas City

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

 

The best time to book a flight from St. Louis to Kansas City

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

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 Kansas City in 2026. 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 Kansas City 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 Kansas City 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 Kansas City Flights

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*Available to One Key members.