Cheap flights from St. Louis to Kansas City

Flights overview

Useful information for finding cheap flights from St. Louis to Kansas City and booking your next trip
Cheapest round-trip flights $166
Frontier 1 stop 18 hr Fri, May 1 — Mon, May 4
The cheapest round-trip flight from St. Louis to Kansas City is currently $166
Cheapest one-way flight $107
Frontier 1 stop 18 hr Thu, Apr 23
The cheapest one-way flight from St. Louis to Kansas City is currently $107
Cheapest nonstop flights $233
Southwest Nonstop 2 hr Thu, Apr 2 — Mon, Apr 6
The cheapest nonstop round-trip flight from St. Louis to Kansas City is currently $233
Last-minute weekend getaway $559
Southwest Nonstop 2 hr Sat, Mar 7 — Sun, Mar 8
The cheapest last-minute weekend getaway from St. Louis to Kansas City is currently $559
Cheapest business class flights $404
Frontier 1 stop 18 hr Fri, May 1 — Mon, May 4
The cheapest business class round-trip flight from St. Louis to Kansas City is currently $404
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 $233
    Typical price: $205–500
    20 weekly nonstop flights
    STL - MCI Every day
    930 weekly connecting flights
    STL - MCI Every day
  • American
    from $351
    Typical price: $310–530
    380 weekly connecting flights
    STL - MCI Every day
  • United
    from $253
    Typical price: $320–670
    361 weekly connecting flights
    STL - MCI Every day
  • Delta
    from $1,401
    Typical price: $1,050–1,450
    259 weekly connecting flights
    STL - MCI Every day
  • Frontier
    from $208
    Typical price: $170–560
    12 weekly connecting flights
    STL - MCI Every day
  • Alaska
    from $614
    Typical price: $530–1,200
    11 weekly connecting flights
    STL - MCI Every day

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 35 min 143 mi
  • Columbia Regional Airport (COU)
    Columbia United States 2 hr 7 min 109 mi
  • MidAmerica St. Louis Airport (BLV)
    Belleville United States 34 min 20 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 53 min 167 mi
  • Des Moines International Airport (DSM)
    Des Moines United States 2 hr 47 min 175 mi
  • Springfield-Branson National Airport (SGF)
    Springfield United States 2 hr 40 min 143 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 $166. The cheapest one-way flight was with Frontier from $107.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from St. Louis to Kansas City is $233, flying from Apr 2 to Apr 6.
  • The cheapest American flight from St. Louis to Kansas City is $351, flying from Apr 2 to Apr 5.
  • The cheapest United flight from St. Louis to Kansas City is $253, flying from Apr 2 to Apr 6.
  • The cheapest Delta flight from St. Louis to Kansas City is $1,401, flying from Apr 16 to Apr 19.
  • The cheapest Frontier flight from St. Louis to Kansas City is $208, flying from Apr 23 to Apr 27.
  • The cheapest Alaska flight from St. Louis to Kansas City is $614, flying from Apr 25 to Apr 26.
The cheapest round-trip flight from St. Louis to Kansas City starts at $166 from Fri, May 1 to Mon, May 4. The cheapest one-way flight starts at $107 and departs on Thu, Apr 23.
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 930 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 380 connecting flights per week. American flies from St. Louis Lambert International Airport (STL) to Kansas City International Airport (MCI) .
  • United offers 361 connecting flights per week. United flies from St. Louis Lambert International Airport (STL) to Kansas City International Airport (MCI) .
  • Delta offers 259 connecting flights per week. Delta 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) .
  • Alaska offers 11 connecting flights per week. Alaska 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 $166. The cheapest one-way flight was with Frontier from $107.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from St. Louis to Kansas City is $233, flying from Apr 2 to Apr 6.
  • The cheapest American flight from St. Louis to Kansas City is $351, flying from Apr 2 to Apr 5.
  • The cheapest United flight from St. Louis to Kansas City is $253, flying from Apr 2 to Apr 6.
  • The cheapest Delta flight from St. Louis to Kansas City is $1,401, flying from Apr 16 to Apr 19.
  • The cheapest Frontier flight from St. Louis to Kansas City is $208, flying from Apr 23 to Apr 27.
  • The cheapest Alaska flight from St. Louis to Kansas City is $614, flying from Apr 25 to Apr 26.
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 $559 is offered by Southwest from Sat, Mar 7 to Sun, Mar 8.
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 $233 from Thu, Apr 2 to Mon, Apr 6 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 $404 from Fri, May 1 to Mon, May 4 with Frontier.
The cheapest economy class round-trip flights between St. Louis and Kansas City start at $166 from Fri, May 1 to Mon, May 4.
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 $559 from Sat, Mar 7 to Sun, Mar 8 with Southwest.
The cheapest last-minute deal between St. Louis and Kansas City at price $559 is offered by Southwest from Sat, Mar 7 to Sun, Mar 8.
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.

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