£187 Cheap Flights from St. Louis (STL) to Kansas City (MCI)

View £187 flight on Wed, 3 Dec 2025Opens in a new window

Popular airlines from Lambert-St. Louis International Airport (STL) to Kansas City International Airport (MCI)

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

Prices were available within the past 7 days and start at £187 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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

September is typically the cheapest month to fly

From £64 - £884 per traveller.

Graph displaying average flight prices per month

Flight from St. Louis to Kansas City route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Kansas City Intl.
Distance
378 km
Average flight time
1 hour 5 mins

Compare flights from St. Louis to Kansas City easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from St. Louis to Kansas City. Operating between them 3 flights per day, 20 airlines cover the route. And Southwest Airlines fly direct, getting you to Kansas City Intl. in just 1hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Lambert-St. Louis Intl. to Kansas City Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Lambert-St. Louis Intl. (STL) to Kansas City Intl. (MCI)

The easiest way to view the best deals on flights from St. Louis to Kansas City today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Lambert-St. Louis Intl. to Kansas City Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near St. Louis and Kansas City
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your St. Louis to Kansas City flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Lambert-St. Louis Intl. to Kansas City Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Lambert Field to MCI?
The lowest price advertised for a round-trip journey between Lambert-St. Louis Intl. Airport (STL) and Kansas City Intl. Airport (MCI) is . But you better act fast. This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from STL to MCI?
The majority of flights can be cancelled online, but whether you incur a fee depends on your airline. If you do have to cancel your escape, follow the instructions in the Customer Service Portal.
How do I find cheap flights from STL to MCI that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for St. Louis Lambert International Airport to MCI flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Lambert Field to MCI?
With a flight distance of 380 kilometres, it's only a short hop from Lambert Field to Kansas City Intl. Airport (MCI). It might be a quick one, but it's still worth bringing something to keep you busy on board.
Which airlines fly direct from Lambert Field to Kansas City Intl. Airport (MCI)?
Offering 86 flights each month, Southwest Airlines (WN) is a great choice when flying directly from STL to Kansas City Intl. Airport (MCI).
Are STL to MCI flight tickets cheaper when they're purchased at the last minute?
It is possible to find amazing last-minute deals from STL to MCI, but it's also possible to miss out altogether! As many airlines release prices up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to book when you see a good bargain. Expedia compares carrier prices and updates flight deals often, so you can be sure you're always seeing the latest offers.

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