Title: £194 Cheap Flights from Kansas City to St. Louis (MCI to STL) - Expedia.co.uk ![](https://images.trvl-media.com/place/178309/1d118261-eb93-42dd-aeef-5f82e1f037e8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £194 Cheap Flights from Kansas City (MCI) to St. Louis (STL) [View £194 flight on Tue, 6 Jan 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:MCI,to:STL,departure:06/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:193.80&airProductToken=AQpeCi0IwaYBEgM1NjMYzEAgkgEo0NqBAzDP3IEDOFhAAFgBagJTVnIIUUgyT1hWQk4KLQjBpgESAzM4OBiSASDyXCjU3YEDMMLfgQM4WEABWAFqAlNWcghRSDJPWFVCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Kansas City International Airport (MCI) to Lambert-St. Louis International Airport (STL) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:mci,to:stl,departure:08/10/2025TANYT&leg2=from:stl,to:mci,departure:15/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:mci,to:stl,departure:08/10/2025TANYT&leg2=from:stl,to:mci,departure:15/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:mci,to:stl,departure:08/10/2025TANYT&leg2=from:stl,to:mci,departure:15/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:mci,to:stl,departure:08/10/2025TANYT&leg2=from:stl,to:mci,departure:15/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Frontier Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:mci,to:stl,departure:08/10/2025TANYT&leg2=from:stl,to:mci,departure:15/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 25% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap Flights from Kansas City (MCI) to St. Louis (STL) Prices were available within the past 7 days and start at £194 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ## Find the cheapest month to fly from Kansas City (MCI) to St. Louis (STL) ### September is typically the cheapest month to fly From £57 - £1,276 per traveller. Flight from Kansas City to St. Louis route information | Origin airport | Kansas City Intl. | | --- | --- | | Destination airport | Lambert-St. Louis Intl. | | Distance | 378 km | | Average flight time | 1 hour 5 mins | ## Compare flights from Kansas City to St. Louis easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Kansas City to St. Louis. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Lambert-St. Louis Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Kansas City Intl. to Lambert-St. Louis 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 Kansas City Intl. (MCI) to Lambert-St. Louis Intl. (STL) The easiest way to view the best deals on flights from Kansas City to St. Louis 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 Kansas City Intl. to Lambert-St. Louis 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 Kansas City and St. Louis - 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 Kansas City to St. Louis flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Kansas City Intl. to Lambert-St. Louis 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 MCI to STL? > Start packing your bags, because round-trip flights from Kansas City Intl. Airport to Lambert Field start from . That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book now to nab the best deal. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from MCI to Lambert-St. Louis Intl. Airport (STL)? > We get that things crop up unexpectedly, so we've made it as hassle-free as possible for you to cancel your flight online. Just visit the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033) and follow the instructions. ### How do I find cheap flights from Kansas City Intl. Airport to Lambert-St. Louis Intl. Airport (STL) 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 Kansas City Intl. Airport to St. Louis Lambert International Airport flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Kansas City Intl. Airport to Lambert Field? > A flight distance of just 380 kilometres separates Kansas City and St. Louis. Once you're up in the air, you won't have time to do much more than read the magazine in your seat pocket. ### Which airlines fly direct from Kansas City Intl. Airport to STL? > A popular choice with many travellers, Southwest Airlines (WN) operates 86 monthly flights from Kansas City Intl. Airport (MCI) to St. Louis Lambert International Airport. Pick the one that suits your travel plans and book your ticket today. ### Are Kansas City Intl. Airport to Lambert Field flight tickets cheaper when they're purchased at the last minute? > Flight prices are constantly going up and down, so not always. While last-minute deals between Kansas City Intl. Airport (MCI) and Lambert Field are possible, it's also a good idea to keep an eye on prices well before you fly. In fact, some carriers advertise their prices up to 12 months prior to the departure date. 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