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

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How to find the cheapest flight from
Kansas City (MCI) to St Louis (STL)

What is the cheapest day to fly round-trip from Kansas City to St Louis?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Kansas City to St Louis?

To save up to 96% on this flight, we recommend booking at least 31 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Kansas City to St Louis from $374 1-2 weeks out and tickets from $553 for flights departing within the next 72 hours.

What is the cheapest month to fly from Kansas City to St Louis?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to St Louis. Flights to St Louis from Kansas City in August are about $266 on average during August, but can be found for as low as $158.

When is the cheapest time to fly from Kansas City to St Louis (MCI - STL)?

One of the essential ways to save on airfare from Kansas City to St Louis is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 54% on airfare.

Cheap flights from Kansas City to St Louis in December, January 2021

The best prices found for MCI to STL flights for December, January
28 Dec - 5 Jan
$174pp
MCI
Kansas City
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
MCI
Kansas City
11 Dec - 13 Dec
$178pp
MCI
Kansas City
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
MCI
Kansas City
17 Dec - 18 Dec
$183pp
MCI
Kansas City
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
MCI
Kansas City

Kansas City to St Louis 2021 flight deals

Cheap flights to St Louis from Kansas City found for this year
28 Dec - 5 Jan
$174pp
MCI
Kansas City
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
MCI
Kansas City
11 Dec - 13 Dec
$178pp
MCI
Kansas City
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
MCI
Kansas City
17 Dec - 18 Dec
$183pp
MCI
Kansas City
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
MCI
Kansas City

Non-stop flights to St Louis from Kansas City

Save time with Kansas City to St Louis direct flight deals
17 Dec - 18 Dec
$1,630pp
MCI
Kansas City
Linear Air Taxi
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Linear Air Taxi
Non-Stop
MCI
Kansas City
17 Dec - 18 Dec
$3,264pp
MCI
Kansas City
Linear Air Taxi
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Linear Air Taxi
Non-Stop
MCI
Kansas City
28 Dec - 4 Jan
$4,333pp
MCI
Kansas City
Linear Air Taxi
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Linear Air Taxi
Non-Stop
MCI
Kansas City

Last minute flights from Kansas City to St Louis

Late deals on round-trip flights to St Louis from Kansas City, departing today and this week
11 Dec - 13 Dec
$178pp
MCI
Kansas City
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
MCI
Kansas City
11 Dec - 13 Dec
$205pp
MCI
Kansas City
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
MCI
Kansas City
11 Dec - 13 Dec
$235pp
MCI
Kansas City
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
     
3 STOPS
MCI
Kansas City

One-way flights to St Louis from Kansas City

The cheapest one-way flights from Kansas City to St Louis
8:05 am - 5:00 pm
Delta
1 Stop
8h 55m
MCI - STL
Delta
$107
Delta
6:33 am - 4:09 pm
Frontier
2 Stops
33h 36m
MCI - STL
Frontier
$128
Gotogate
2:00 am - 7:18 am
American Airlines
1 Stop
5h 18m
MCI - STL
American Airlines

Related info for your journey

Useful info, stats and facts about Kansas City to St Louis flights.

Flight FAQs

From Kansas City to St Louis

Are flight prices decreasing from Kansas City to St Louis due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Kansas City and St Louis for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Kansas City to Lambert-St Louis to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. New policies for travelers booking flights from Kansas City to Lambert-St Louis include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Kansas City to Lambert-St Louis have flexible cancellations due to COVID-19?

Some of our airline partners flying from Kansas City to Lambert-St Louis have new flexible policies in place due to COVID-19. American Airlines, Linear Air Taxi, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from Kansas City to St Louis for under $200 on Cheapflights?

Yes, there are multiple flights from Kansas City to St Louis for under $200. The cheapest flight booked recently is on American Airlines for just $173, but on average you can expect to pay $257.

Are there nonstop flights from Kansas City to St Louis for under $1,700 on Cheapflights?

Cheapflights has at least 5 direct flights from Kansas City to St Louis under $1,700. A good price for a nonstop flight from Kansas City to St Louis is less than $3,584.

Are there last-minute flights available from Kansas City to St Louis for under $200?

There are currently 5+ open flights from Kansas City to St Louis within the next 7 days for less than $200.

Does it rain more in Kansas City or St Louis?

The rainfall in Kansas City is generally more than the rainfall in St Louis. This will continue over the next 11 days.

Is Kansas City weather warmer or cooler than St Louis?

Expect the weather to be around 90 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in St Louis is generally the same as in Kansas City.

How long is the flight from Kansas City to St Louis?

There are many flights that can get you from Kansas City to St Louis in 1h 52m. Fly via Linear Air Taxi, American Airlines, or United Airlines to get the fastest option. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Kansas City to St Louis round-trip?

Currently priced at $173, American Airlines will fly you from Kansas City to St Louis and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $317.

What are the cheapest airlines to fly from Kansas City to St Louis one-way?

One-way options have recently been found by users for as low as $63 on Frontier. Other airlines that offer cheap prices include Delta from $107 and United Airlines from $157 one-way.

Alternative routes for Kansas City to St Louis

Destination information for St Louis

Things to know before you go. Useful info for your trip from Kansas City to St Louis
Flight duration
1h 52m
Average temperature for December in St Louis
46.4 °F
Avg rainfall for December in St Louis
2.5 ″

Airports servicing Kansas City

Airports servicing St. Louis

Hourly flight availability from Kansas City to St Louis

Early morning Midnight to 6 AM 34% of MCI to STL departures
Morning 6 AM to noon 33% of MCI to STL departures
Afternoon Noon to 6 PM 33% of MCI to STL departures
Evening 6 PM to midnight 0% of MCI to STL departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Kansas City to St Louis
Sunday
0 flights
Monday
0 flights
Tuesday
1 daily flight
Wednesday
0 flights
Thursday
0 flights
Friday
0 flights
Saturday
0 flights
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