€150 Cheap Flights Kansas City to St. Louis (MCI-STL)

View €150 flight on Sat, 13 Sep 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 15% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at €150 for one-way flights and €286 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 13 Sep - Mon, 15 Sep
MCI
Kansas City
STL
St. Louis
€286 Return, found 5 days ago
€286
Return
found 5 days ago
Select American Airlines flight, departing Sat, 13 Sep from Kansas City to St. Louis, returning Mon, 15 Sep, priced at €286 found 5 days ago
American Airlines
Sat, 13 Sep - Mon, 15 Sep
MCI
Kansas City
STL
St. Louis
€293 Return, found 5 days ago
€293
Return
found 5 days ago
Select American Airlines flight, departing Sat, 13 Sep from Kansas City to St. Louis, returning Mon, 15 Sep, priced at €293 found 5 days ago
American Airlines
Sat, 13 Sep - Mon, 15 Sep
MCI
Kansas City
STL
St. Louis
€319 Return, found 5 days ago
€319
Return
found 5 days ago
Select American Airlines flight, departing Sat, 13 Sep from Kansas City to St. Louis, returning Mon, 15 Sep, priced at €319 found 5 days ago
American Airlines
Sat, 13 Sep - Mon, 15 Sep
MCI
Kansas City
STL
St. Louis
€324 Return, found 5 days ago
€324
Return
found 5 days ago
Select American Airlines flight, departing Sat, 13 Sep from Kansas City to St. Louis, returning Mon, 15 Sep, priced at €324 found 5 days ago
United
Sat, 13 Sep - Mon, 15 Sep
MCI
Kansas City
STL
St. Louis
€343 Return, found 5 days ago
€343
Return
found 5 days ago
Select United flight, departing Sat, 13 Sep from Kansas City to St. Louis, returning Mon, 15 Sep, priced at €343 found 5 days ago
American Airlines
Sat, 13 Sep - Mon, 15 Sep
MCI
Kansas City
STL
St. Louis
€363 Return, found 5 days ago
€363
Return
found 5 days ago
Select American Airlines flight, departing Sat, 13 Sep from Kansas City to St. Louis, returning Mon, 15 Sep, priced at €363 found 5 days ago
American Airlines
Sat, 13 Sep - Mon, 15 Sep
MCI
Kansas City
STL
St. Louis
€363 Return, found 5 days ago
€363
Return
found 5 days ago
Select American Airlines flight, departing Sat, 13 Sep from Kansas City to St. Louis, returning Mon, 15 Sep, priced at €363 found 5 days ago
American Airlines
Sat, 13 Sep - Mon, 15 Sep
MCI
Kansas City
STL
St. Louis
€370 Return, found 5 days ago
€370
Return
found 5 days ago
Select American Airlines flight, departing Sat, 13 Sep from Kansas City to St. Louis, returning Mon, 15 Sep, priced at €370 found 5 days ago
United
Sat, 13 Sep - Mon, 15 Sep
MCI
Kansas City
STL
St. Louis
€380 Return, found 5 days ago
€380
Return
found 5 days ago
Select United flight, departing Sat, 13 Sep from Kansas City to St. Louis, returning Mon, 15 Sep, priced at €380 found 5 days ago
Delta
Sat, 13 Sep - Mon, 15 Sep
MCI
Kansas City
STL
St. Louis
€868 Return, found 5 days ago
€868
Return
found 5 days ago
Select Delta flight, departing Sat, 13 Sep from Kansas City to St. Louis, returning Mon, 15 Sep, priced at €868 found 5 days ago

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

September is typically the cheapest month to fly

From €74 - €924 per traveller.

Graph displaying average flight prices per month

Kansas City to St. Louis route information
Origin airport
Kansas City Intl.
Destination airport
Lambert-St. Louis Intl.
Return price
€286
Distance
378 km
Average flight time
1 hour 5 mins

Perfect flights from Kansas City to St. Louis

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Kansas City to St. Louis. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Kansas City Intl. to Lambert-St. Louis Intl. ticket options cater to your travel preferences, with incredible one-way fares from €150 and roundtrip prices from €286. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Lambert-St. Louis Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in St. Louis.

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 €286. 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 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. Expedia is continuously updating the best airfare bargains around, so keep checking and be ready to grab your seat when the price is low.

Explore a world of travel with Expedia

*Available to Expedia members.