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

Flights overview

Useful information for finding cheap flights from St. Louis to Kansas City and booking your next trip

Cheapest round-trip flights	$236	Frontier 1 stop 17 hr Fri, Jul 24 — Sun, Jul 26	The cheapest round-trip flight from St. Louis to Kansas City is currently $236
Cheapest one-way flight	$101	Frontier 1 stop 17 hr Wed, Jun 24	The cheapest one-way flight from St. Louis to Kansas City is currently $101
Cheapest nonstop flights	$337	Southwest Nonstop 2 hr Thu, Jun 4 — Mon, Jun 8	The cheapest nonstop round-trip flight from St. Louis to Kansas City is currently $337
Last-minute weekend getaway	$578	Frontier 1 stop 18 hr Sat, May 9 — Sun, May 10	The cheapest last-minute weekend getaway from St. Louis to Kansas City is currently $578
Cheapest business class flights	$504	Frontier 1 stop 17 hr Fri, Jul 24 — Sun, Jul 26	The cheapest business class round-trip flight from St. Louis to Kansas City is currently $504

Fastest flight	1 hr 5 min	The fastest nonstop flight from St. Louis to Kansas City takes 1 hr 5 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from St. Louis to Kansas City is typically September. The most expensive month to fly is typically July.

September Cheapest	Typical prices: $110–345
July Most expensive	Typical prices: $295–460

Popular airlines from St. Louis to Kansas City

Southwest

Nonstop

from $337

Typical price: $220–520

20 weekly nonstop flights

STL - MCI Every day

792 weekly connecting flights

STL - MCI Every day
American

from $411

Typical price: $320–540

402 weekly connecting flights

STL - MCI Every day
United

from $339

Typical price: $310–640

355 weekly connecting flights

STL - MCI Every day
Delta

from $1,126

Typical price: $1,050–1,550

282 weekly connecting flights

STL - MCI Every day
Alaska

from $868

Typical price: $530–1,250

14 weekly connecting flights

STL - MCI Every day
Frontier

from $230

Typical price: $170–590

12 weekly connecting flights

STL - MCI Every Mon, Tue, Thu, Fri, Sat, Sun

Popular airports near St. Louis

St. Louis Lambert International Airport (STL)

St. Louis United States 21 min 12 mi
General Wayne A. Downing Peoria International Airport (PIA)

Peoria United States 2 hr 36 min 143 mi
Columbia Regional Airport (COU)

Columbia United States 2 hr 8 min 109 mi
Indianapolis International Airport (IND)

Indianapolis United States 3 hr 30 min 222 mi

Popular airports near Kansas City

Kansas City International Airport (MCI)

Kansas City United States 25 min 15 mi
Eppley Airfield (OMA)

Omaha United States 2 hr 54 min 167 mi
Des Moines International Airport (DSM)

Des Moines United States 2 hr 47 min 175 mi
Wichita Dwight D. Eisenhower National Airport (ICT)

Wichita United States 2 hr 59 min 184 mi

Frequently asked questions about flying from St. Louis to Kansas City

The cheapest flights from St. Louis to Kansas City are usually in September. Typical ticket prices in September range from $110 to $345.

The cheapest round-trip flight from St. Louis to Kansas City recently found on Google Flights was with Frontier from $236. The cheapest one-way flight was with Frontier from $101.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from St. Louis to Kansas City is $337, flying from Jun 4 to Jun 8.
The cheapest American flight from St. Louis to Kansas City is $411, flying from Jun 11 to Jun 14.
The cheapest United flight from St. Louis to Kansas City is $339, flying from May 28 to Jun 1.
The cheapest Delta flight from St. Louis to Kansas City is $1,126, flying from Jul 3 to Jul 5.
The cheapest Alaska flight from St. Louis to Kansas City is $868, flying from Jun 6 to Jun 8.
The cheapest Frontier flight from St. Louis to Kansas City is $230, flying from Jun 27 to Jun 29.

The cheapest round-trip flight from St. Louis to Kansas City starts at $236 from Fri, Jul 24 to Sun, Jul 26. The cheapest one-way flight starts at $101 and departs on Wed, Jun 24.

1 hr 5 min is the shortest flight time from St. Louis to Kansas City.

Peak travel is summer (May–Aug), when the weather's generally warm and humid with occasional rainstorms. May is the most common month for tornadoes. The Big 12 Men's Basketball Championship (Mar) is a major date in the NCAA calendar. Teams compete to show off the best of Kansas City's signature cuisine at the American Royal World Series of Barbecue (Oct). The shopping district is illuminated for the holiday season during Plaza Lights (Nov–Jan). Winter (Dec–Feb) is cold with regular snowfall.

It's easy to use Google Flights to find the cheapest days to fly from St. Louis to Kansas City.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from St. Louis to Kansas City really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from St. Louis to Kansas City.

In terms of nonstop flights, Southwest is the most popular. Southwest offers 20 nonstop flights and 792 connecting flights per week. Southwest flies from St. Louis Lambert International Airport (STL) to Kansas City International Airport (MCI) .

Other popular airlines flying from St. Louis to Kansas City are:

American offers 402 connecting flights per week. American flies from St. Louis Lambert International Airport (STL) to Kansas City International Airport (MCI) .
United offers 355 connecting flights per week. United flies from St. Louis Lambert International Airport (STL) to Kansas City International Airport (MCI) .
Delta offers 282 connecting flights per week. Delta flies from St. Louis Lambert International Airport (STL) to Kansas City International Airport (MCI) .
Alaska offers 14 connecting flights per week. Alaska flies from St. Louis Lambert International Airport (STL) to Kansas City International Airport (MCI) .
Frontier offers 12 connecting flights per week. Frontier flies from St. Louis Lambert International Airport (STL) to Kansas City International Airport (MCI) .

The number of connecting flights refers to distinct flights with at least one stop between St. Louis and Kansas City.

The cheapest round-trip flight from St. Louis to Kansas City recently found on Google Flights was with Frontier from $236. The cheapest one-way flight was with Frontier from $101.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from St. Louis to Kansas City is $337, flying from Jun 4 to Jun 8.
The cheapest American flight from St. Louis to Kansas City is $411, flying from Jun 11 to Jun 14.
The cheapest United flight from St. Louis to Kansas City is $339, flying from May 28 to Jun 1.
The cheapest Delta flight from St. Louis to Kansas City is $1,126, flying from Jul 3 to Jul 5.
The cheapest Alaska flight from St. Louis to Kansas City is $868, flying from Jun 6 to Jun 8.
The cheapest Frontier flight from St. Louis to Kansas City is $230, flying from Jun 27 to Jun 29.

Southwest flies direct from St. Louis to Kansas City.

There are 20 Southwest direct flights from St. Louis to Kansas City per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between St. Louis and Kansas City at price $578 is offered by Frontier from Sat, May 9 to Sun, May 10.

Southwest flies direct from St. Louis to Kansas City.

There are 20 Southwest direct flights from St. Louis to Kansas City per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from St. Louis to Kansas City on a daily basis.

The cheapest direct (nonstop) round-trip flights between St. Louis and Kansas City start at $337 from Thu, Jun 4 to Mon, Jun 8 with Southwest.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from St. Louis to Kansas City, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between St. Louis and Kansas City start at $504 from Fri, Jul 24 to Sun, Jul 26 with Frontier.

The cheapest economy class round-trip flights between St. Louis and Kansas City start at $236 from Fri, Jul 24 to Sun, Jul 26.

To book business class trips from St. Louis to Kansas City, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between St. Louis and Kansas City starts at $578 from Sat, May 9 to Sun, May 10 with Frontier.

The cheapest last-minute deal between St. Louis and Kansas City at price $578 is offered by Frontier from Sat, May 9 to Sun, May 10.

To find last-minute flight deals from St. Louis to Kansas City, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.