What is the cheapest airline that flies from Kansas City to Missouri?

Southwest, United Airlines, and American Airlines are the most popular carriers operating from Kansas City to Missouri

How many flights depart from Kansas City to Missouri on average per week?

The number of flights available between Kansas City and Missouri is 13 per week as of September 2026. The most frequent departure day is Mon, with 23% of weekly flights leaving on this day.

How many flights depart from Kansas City to Missouri on average per day?

As of September 2026, there are 1 flights per day flying from Kansas City to Missouri. The most common time of day flights depart is 8:00AM, with 66% of flights taking off in the afternoon.

When did momondo last update prices for flights from Kansas City Airport to Missouri?

Prices for flights from Kansas City Airport to Missouri are updated daily.

How many operators does momondo search for flights from Kansas City Airport to Missouri?

The number of operators available for flights from Kansas City Airport to Missouri is 1 as of September 2026.

How old do you have to be to fly from Kansas City Airport to Missouri?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kansas City Airport to Missouri.

What documentation or ID do you need to fly to Missouri?

The travel and health documents you'll need for your trip to Missouri may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Missouri. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$111 Cheap Flights from Kansas City to Missouri in 2026

Find the cheapest flights from Kansas City to Missouri

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:30 pm - 11:17 amMCI Kansas City-STL Lambert-St Louis

12h 47m1 stop Las Vegas Harry Reid Intl

12:17 pm - 9:45 pmSTL Lambert-St Louis-MCI Kansas City

9h 28m1 stop Las Vegas Harry Reid Intl

$220Frontier

Thu, Sep 24 - Mon, Sep 28

10:30 pm - 11:17 amMCI Kansas City-STL Lambert-St Louis

12h 47m1 stop Las Vegas Harry Reid Intl

12:17 pm - 9:45 pmSTL Lambert-St Louis-MCI Kansas City

9h 28m1 stop Las Vegas Harry Reid Intl

$230Frontier

Sun, Sep 27 - Mon, Sep 28

10:30 pm - 11:17 amMCI Kansas City-STL Lambert-St Louis

12h 47m1 stop Las Vegas Harry Reid Intl

12:17 pm - 9:45 pmSTL Lambert-St Louis-MCI Kansas City

9h 28m1 stop Las Vegas Harry Reid Intl

$240Frontier

Thu, Sep 24 - Mon, Sep 28

8:32 pm - 7:17 pmMCI Kansas City-STL Lambert-St Louis

22h 45m1 stop Denver Intl

12:17 pm - 9:45 pmSTL Lambert-St Louis-MCI Kansas City

9h 28m1 stop Las Vegas Harry Reid Intl

$250Frontier

Fri, Sep 25 - Mon, Sep 28

8:32 pm - 7:17 pmMCI Kansas City-STL Lambert-St Louis

22h 45m1 stop Denver Intl

12:27 pm - 9:45 pmSTL Lambert-St Louis-MCI Kansas City

9h 18m1 stop Las Vegas Harry Reid Intl

$250Frontier

Fri, Sep 25 - Sun, Sep 27

10:30 pm - 11:17 amMCI Kansas City-STL Lambert-St Louis

12h 47m1 stop Las Vegas Harry Reid Intl

8:10 pm - 7:37 pmSTL Lambert-St Louis-MCI Kansas City

23h 27m1 stop Denver Intl

$259Frontier

Thu, Oct 1 - Mon, Oct 5

10:30 pm - 11:27 amMCI Kansas City-STL Lambert-St Louis

12h 57m1 stop Las Vegas Harry Reid Intl

12:17 pm - 9:45 pmSTL Lambert-St Louis-MCI Kansas City

9h 28m1 stop Las Vegas Harry Reid Intl

$260Frontier

Thu, Sep 17 - Mon, Sep 21

6:45 am - 7:55 amMCI Kansas City-STL Lambert-St Louis

1h 10mnonstop

10:35 am - 11:45 amSTL Lambert-St Louis-MCI Kansas City

1h 10mnonstop

$277Southwest

Sat, Nov 7 - Sat, Nov 7

4:35 pm - 5:40 pmMCI Kansas City-STL Lambert-St Louis

1h 05mnonstop

8:30 am - 9:35 amSTL Lambert-St Louis-MCI Kansas City

1h 05mnonstop

$277Southwest

Tue, Oct 20 - Wed, Oct 21

6:00 pm - 7:05 pmMCI Kansas City-STL Lambert-St Louis

1h 05mnonstop

9:50 pm - 11:00 pmSTL Lambert-St Louis-MCI Kansas City

1h 10mnonstop

$277Southwest

Thu, Oct 15 - Mon, Oct 19

Cheap last minute flights

Enter your travel dates to find the best prices.

8:32 pm - 12:07 pmMCI Kansas City-STL Lambert-St Louis

15h 35m1 stop Denver Intl

8:10 pm - 7:37 pmSTL Lambert-St Louis-MCI Kansas City

23h 27m1 stop Denver Intl

$310Frontier

Sat, Sep 12 - Mon, Sep 14

8:32 pm - 7:17 pmMCI Kansas City-STL Lambert-St Louis

22h 45m1 stop Denver Intl

1:02 pm - 10:25 amSTL Lambert-St Louis-MCI Kansas City

21h 23m1 stop Denver Intl

$330Frontier

Fri, Sep 11 - Sun, Sep 13

10:30 pm - 11:32 amMCI Kansas City-STL Lambert-St Louis

13h 02m1 stop Las Vegas Harry Reid Intl

12:27 pm - 9:45 pmSTL Lambert-St Louis-MCI Kansas City

9h 18m1 stop Las Vegas Harry Reid Intl

$335Frontier

Fri, Sep 11 - Sun, Sep 13

8:32 pm - 7:17 pmMCI Kansas City-STL Lambert-St Louis

22h 45m1 stop Denver Intl

1:02 pm - 10:25 amSTL Lambert-St Louis-MCI Kansas City

21h 23m1 stop Denver Intl

$430Frontier

Fri, Sep 11 - Sun, Sep 13

5:13 am - 10:18 amMCI Kansas City-STL Lambert-St Louis

5h 05m1 stop Chicago O'Hare Intl

5:00 am - 11:48 amSTL Lambert-St Louis-MCI Kansas City

6h 48m1 stop Chicago O'Hare Intl

$540American Airlines

Thu, Sep 10 - Sat, Sep 12

8:32 pm - 11:17 amMCI Kansas City-STL Lambert-St Louis

14h 45m2 stops Denver Intl Las Vegas Harry Reid Intl

8:10 pm - 7:37 pmSTL Lambert-St Louis-MCI Kansas City

23h 27m1 stop Denver Intl

$668Frontier

Sat, Sep 12 - Mon, Sep 14

8:55 am - 1:30 pmMCI Kansas City-STL Lambert-St Louis

4h 35m1 stop Panama City NW Florida Beaches

2:20 pm - 3:25 pmSTL Lambert-St Louis-MCI Kansas City

1h 05mnonstop

$763Southwest

Sat, Sep 12 - Mon, Sep 14

5:00 pm - 6:05 pmMCI Kansas City-STL Lambert-St Louis

1h 05mnonstop

9:10 pm - 10:20 pmSTL Lambert-St Louis-MCI Kansas City

1h 10mnonstop

$763Southwest

Fri, Sep 11 - Sun, Sep 13

8:15 am - 9:20 amMCI Kansas City-STL Lambert-St Louis

1h 05mnonstop

2:20 pm - 3:25 pmSTL Lambert-St Louis-MCI Kansas City

1h 05mnonstop

$763Southwest

Sat, Sep 12 - Mon, Sep 14

5:05 pm - 6:10 pmMCI Kansas City-STL Lambert-St Louis

1h 05mnonstop

8:25 am - 9:30 amSTL Lambert-St Louis-MCI Kansas City

1h 05mnonstop

$763Southwest

Sun, Sep 13 - Tue, Sep 15

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Southwest flights from Kansas City to Missouri

Our best Southwest deals on Kansas City to Missouri flight tickets

Southwest

Oct 1

MCI8:35 amKansas City

1h 00m

STL9:35 amLambert-St Louis

Oct 5

STL8:30 amLambert-St Louis

1h 05m

MCI9:35 amKansas City

$277

Southwest

Oct 8

MCI1:50 pmKansas City

1h 05m

STL2:55 pmLambert-St Louis

Oct 16

STL9:50 pmLambert-St Louis

1h 10m

MCI11:00 pmKansas City

$285

Southwest

Oct 1

MCI1:50 pmKansas City

1h 05m

STL2:55 pmLambert-St Louis

Oct 5

STL7:40 pmLambert-St Louis

4h 15m

1 stop

MCI11:55 pmKansas City

$287

Frontier flights from Kansas City to Missouri

Our best Frontier deals on Kansas City to Missouri flight tickets

Frontier

Sep 24

MCI10:30 pmKansas City

12h 47m

1 stop

STL11:17 amLambert-St Louis

Sep 28

STL12:17 pmLambert-St Louis

9h 28m

1 stop

MCI9:45 pmKansas City

$220

Frontier

Sep 27

MCI10:30 pmKansas City

12h 47m

1 stop

STL11:17 amLambert-St Louis

Sep 28

STL12:17 pmLambert-St Louis

9h 28m

1 stop

MCI9:45 pmKansas City

$230

Frontier

Sep 24

MCI10:30 pmKansas City

12h 47m

1 stop

STL11:17 amLambert-St Louis

Sep 28

STL12:17 pmLambert-St Louis

9h 28m

1 stop

MCI9:45 pmKansas City

$240

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CitySt. Louis

MCI Kansas City - STL Lambert-St Louis

MCISTL

Kansas City

Thu 9/24

10:30 pm-11:17 am

1 stop12h 47m

Lambert-St Louis

Mon 9/28

12:17 pm-9:45 pm

1 stop9h 28m

$220

Kansas CitySt. Louis

MCI Kansas City - STL Lambert-St Louis

MCISTL

Kansas City

Sun 9/27

10:30 pm-11:17 am

1 stop12h 47m

Lambert-St Louis

Mon 9/28

12:17 pm-9:45 pm

1 stop9h 28m

$230

Kansas CitySt. Louis

MCI Kansas City - STL Lambert-St Louis

MCISTL

Kansas City

Thu 9/24

10:30 pm-11:17 am

1 stop12h 47m

Lambert-St Louis

Mon 9/28

12:17 pm-9:45 pm

1 stop9h 28m

$240

Kansas CitySt. Louis

MCI Kansas City - STL Lambert-St Louis

MCISTL

Kansas City

Fri 9/25

8:32 pm-7:17 pm

1 stop22h 45m

Lambert-St Louis

Mon 9/28

12:17 pm-9:45 pm

1 stop9h 28m

$250

Kansas CitySt. Louis

MCI Kansas City - STL Lambert-St Louis

MCISTL

Kansas City

Fri 9/25

8:32 pm-7:17 pm

1 stop22h 45m

Lambert-St Louis

Sun 9/27

12:27 pm-9:45 pm

1 stop9h 18m

$250

Kansas CitySt. Louis

MCI Kansas City - STL Lambert-St Louis

MCISTL

Kansas City

Thu 10/1

10:30 pm-11:17 am

1 stop12h 47m

Lambert-St Louis

Mon 10/5

8:10 pm-7:37 pm

1 stop23h 27m

$259

Kansas CitySt. Louis

MCI Kansas City - STL Lambert-St Louis

MCISTL

Kansas City

Thu 9/17

10:30 pm-11:27 am

1 stop12h 57m

Lambert-St Louis

Mon 9/21

12:17 pm-9:45 pm

1 stop9h 28m

$260

Kansas CitySt. Louis

MCI Kansas City - STL Lambert-St Louis

MCISTL

Kansas City

Sat 11/7

6:45 am-7:55 am

Nonstop1h 10m

Lambert-St Louis

Sat 11/7

10:35 am-11:45 am

Nonstop1h 10m

$277

Quickest round-trip

Kansas CitySt. Louis

MCI Kansas City - STL Lambert-St Louis

MCISTL

Kansas City

Tue 10/20

4:35 pm-5:40 pm

Nonstop1h 05m

Lambert-St Louis

Wed 10/21

8:30 am-9:35 am

Nonstop1h 05m

$277

Kansas CitySt. Louis

MCI Kansas City - STL Lambert-St Louis

MCISTL

Kansas City

Thu 10/15

6:00 pm-7:05 pm

Nonstop1h 05m

Lambert-St Louis

Mon 10/19

9:50 pm-11:00 pm

Nonstop1h 10m

$277

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Kansas City to Missouri

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Missouri?

In general, December is the cheapest month to fly from Kansas City to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $271. If you aren’t able to travel to Missouri during the month of December, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $325.

What is the cheapest day to depart on your flight to Missouri?

The cheapest day to depart from Kansas City to Missouri is on a Wednesday when prices can be found for as low as $422. Flights from Kansas City to Missouri on a Monday will generally be more expensive and average around $468. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Missouri?

According to our data, the cheapest time of day to fly to Missouri is at noon. momondo users have found flights departing from Kansas City to Missouri at noon for as low as $423. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Missouri are more costly in the morning, with an average ticket price of $454. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Kansas City to Missouri flight route?

Fly from Kansas City to Lambert-St Louis for the best Kansas City - Missouri flight prices

What cabin class options are available on Kansas City to Missouri flights?

There is only 1 cabin class available to choose from on Kansas City to Missouri flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Kansas City to Missouri flights?

No. A direct flight is the cheapest option for a flight between Kansas City to Missouri.

Cheap Kansas City to Missouri flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kansas City to Missouri

Best Price Found	$111
Fastest flight time	1h 00m
Direct flights	Mon, Tue, Thu, Fri, Sat and Sun
Airports in Missouri	55 airports

The best one-way flight to Missouri from Kansas City in the past 72 hours is $111. The best round-trip flight deal from Kansas City to Missouri found on momondo in the last 72 hours is $220.

The fastest flight from Kansas City to Missouri takes 1h 00m

Direct flights go from Kansas City to Missouri on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There are 55 airports in Missouri. From Kansas City there are direct flights to Lambert-St Louis (STL).

Search flight deals

Frequently asked questions about flying from Kansas City to Missouri

When did momondo last update prices for flights from Kansas City Airport to Missouri?
Prices for flights from Kansas City Airport to Missouri are updated daily.
How many operators does momondo search for flights from Kansas City Airport to Missouri?
The number of operators available for flights from Kansas City Airport to Missouri is 1 as of September 2026.
How old do you have to be to fly from Kansas City Airport to Missouri?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kansas City Airport to Missouri.
What documentation or ID do you need to fly to Missouri?
The travel and health documents you'll need for your trip to Missouri may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Missouri. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Kansas City to Missouri?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Kansas City to Missouri is Boeing 737 MAX 8 (23.83% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (19.69%), Canadair (Bombardier) Regional Jet 900 (7.77%), and Airbus A320-100/200 (5.70%).

Best airlines flying from Kansas City to Missouri

Compare and see reviews for airlines that fly from Kansas City to Missouri with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $171	Free Cancellation	Rating 8.0 4,196 reviews		Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Kansas City to Missouri?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Missouri from Kansas City.

Can I find flights from Kansas City to Missouri with flexible booking policies on momondo?

Yes. All flights to Missouri from Kansas City on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Kansas City to Missouri?

Once you have performed a search for Kansas City to Missouri flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Kansas City to Missouri right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Missouri from Kansas City. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.