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

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Charles B. Wheeler Downtown Airport (MKC)

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Find the cheapest month to fly from St. Louis (STL) to Kansas City (MKC)

September is typically the cheapest month to fly

From $77 - $658 per traveler.

Alternative airports near Kansas City

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

Select flight to Kansas City Intl. MCI. Cheapest option available. Average driving time to city center is 23 minutes. Flights from $412
MCI
Kansas City Intl.
Cheapest
Average driving time to city center23 min
Flights from $412

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Charles B. Wheeler Downtown Airport (MKC) cost?
Get a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Charles B. Wheeler Downtown Airport (MKC) 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 Charles B. Wheeler Downtown Airport (MKC)?
The cheapest month to fly from STL to MKC is , when there's less demand. Off-peak months are typically when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Charles B. Wheeler Downtown Airport (MKC)?
To find the cheapest airline that'll fly you from STL to MKC, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Charles B. Wheeler Downtown Airport (MKC)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to Charles B. Wheeler Downtown Airport (MKC) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to MKC?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from STL to MKC?
With 100% of flights usually arriving on schedule, Sun Country Airlines has the best on-time performance for direct flights from Lambert-St. Louis Intl. Airport (STL) to Charles B. Wheeler Downtown Airport (MKC). To check your flight status and get notifications about any changes, simply head to the Expedia App.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Charles B. Wheeler Downtown Airport (MKC)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Charles B. Wheeler Downtown Airport (MKC) route, aim to travel before 3 PM. Later departures have a 22% higher chance of cancellation.**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 Charles B. Wheeler Downtown Airport (MKC) last-minute?
Booking your flight from STL to MKC right before your getaway is generally more expensive. However, if you're flexible with your schedule, you could score a cheap last-minute fare.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Charles B. Wheeler Downtown Airport (MKC)?
In most cases, you can reschedule or cancel your STL to MKC flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you want more information, head to our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Charles B. Wheeler Downtown
Distance
228 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 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 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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