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Fly from
Fly to
Route
Depart
Return
St. LouisKansas City
STL Lambert-St Louis - MCI Kansas City
STLMCI
Lambert-St Louis
Thu 11/5
1:28 pm-11:55 am
1 stop22h 27m
Kansas City
Thu 11/12
8:43 pm-7:14 pm
1 stop22h 31m
St. LouisKansas City
STL Lambert-St Louis - MCI Kansas City
STLMCI
Lambert-St Louis
Tue 12/15
8:15 pm-9:25 pm
Nonstop1h 10m
Kansas City
Sat 12/19
6:05 pm-7:10 pm
Nonstop1h 05m
St. LouisKansas City
STL Lambert-St Louis - MCI Kansas City
STLMCI
Lambert-St Louis
Tue 12/15
8:15 pm-9:25 pm
Nonstop1h 10m
Kansas City
Sat 12/19
6:05 pm-7:10 pm
Nonstop1h 05m
St. LouisKansas City
STL Lambert-St Louis - MCI Kansas City
STLMCI
Lambert-St Louis
Tue 12/15
7:35 am-2:10 pm
1 stop6h 35m
Kansas City
Sat 12/19
6:05 pm-7:10 pm
Nonstop1h 05m
St. LouisKansas City
STL Lambert-St Louis - MCI Kansas City
STLMCI
Lambert-St Louis
Tue 12/15
7:35 am-2:10 pm
1 stop6h 35m
Kansas City
Sat 12/19
6:05 pm-7:10 pm
Nonstop1h 05m
St. LouisKansas City
STL Lambert-St Louis - MCI Kansas City
STLMCI
Lambert-St Louis
Thu 11/5
8:15 pm-12:24 am
1 stop4h 09m
Kansas City
Thu 11/12
7:25 pm-11:59 pm
1 stop4h 34m
St. LouisKansas City
STL Lambert-St Louis - MCI Kansas City
STLMCI
Lambert-St Louis
Wed 11/11
8:15 pm-12:24 am
1 stop4h 09m
Kansas City
Thu 11/12
7:25 pm-11:59 pm
1 stop4h 34m
St. LouisKansas City
STL Lambert-St Louis - MCI Kansas City
STLMCI
Lambert-St Louis
Wed 11/4
5:00 am-11:51 am
1 stop6h 51m
Kansas City
Sat 11/7
3:41 pm-10:24 pm
1 stop6h 43m
St. LouisKansas City
STL Lambert-St Louis - MCI Kansas City
STLMCI
Lambert-St Louis
Tue 12/15
4:40 pm-10:15 pm
1 stop5h 35m
Kansas City
Sat 12/19
3:40 pm-7:10 pm
1 stop3h 30m
St. LouisKansas City
STL Lambert-St Louis - MCI Kansas City
STLMCI
Lambert-St Louis
Tue 12/15
4:40 pm-10:15 pm
1 stop5h 35m
Kansas City
Sat 12/19
3:40 pm-7:10 pm
1 stop3h 30m
See travel insights to Kansas City from
How to get the cheapest flight ticket from St. Louis to Kansas City
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
What is the cheapest month to fly to Kansas City?
In general, December is the cheapest month to fly from St. Louis to Kansas City. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you’re not able to fly to Kansas City in December, then November is your next best option. Flight prices from St. Louis to Kansas City during November average around $179.
What is the cheapest day to depart on your flight to Kansas City?
The cheapest day to depart on your flight to Kansas City is on a Tuesday when prices can be found for as low as $374. This is often the case because there is less demand to fly during this day of the week. Flights from St. Louis to Kansas City on a Monday will generally be more expensive and average around $513. 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 Kansas City?
Flying to Kansas City from St. Louis at noon is the least expensive time of day to depart. momondo users have found prices as low as $394 when looking at flights departing at noon. Try not to purchase tickets in the evening because they tend to be around $845. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Lambert-St Louis to Kansas City flight route?
Fly from Lambert-St Louis to Kansas City for the best Lambert-St Louis - Kansas City flight prices
What cabin class options are available on St. Louis to Kansas City flights?
There is only 1 cabin class available to choose from on St. Louis to Kansas City 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 St. Louis to Kansas City flights?
No. A direct flight is the cheapest option for a flight between St. Louis to Kansas City.
How many flights depart from St. Louis to Kansas City on average per day?
2 flights are operational daily from St. Louis to Kansas City as of October 2026. The most popular departure time for this route is 8:00AM, with 44% of flights per day taking off at noon.
How many flights depart from St. Louis to Kansas City on average per week?
The number of flights available between St. Louis and Kansas City is 15 per week as of October 2026. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.
When to book flights from St. Louis to Kansas City
Cheap St. Louis to Kansas City (STL to MCI) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Kansas City
Frequently asked questions about flying from St. Louis to Kansas City
How far is Lambert-St Louis to Kansas City by plane?
There are 237.1 mi between Lambert-St Louis and Kansas City. By plane, this route typically takes 1h 05m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Kansas City Airport?
Prices for flights from Lambert-St Louis Airport to Kansas City Airport are updated daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Kansas City Airport?
The number of operators available for flights from Lambert-St Louis Airport to Kansas City Airport is 1 as of October 2026.
How old do you have to be to fly from Lambert-St Louis Airport to Kansas City Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Kansas City Airport.
What documentation or ID do you need to fly to Kansas City Airport?
The travel and health documents you'll need for your trip to Kansas City Airport 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 Kansas City Airport. 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 St. Louis to Kansas City?
Based on momondo bookings for flights between St. Louis and Kansas City, the leading plane model is Boeing 737 MAX 8, making up 26.32% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 14.04%, Airbus A319 with 10.53%, and Boeing 737 with 7.02%.
What is the most popular airline from St. Louis to Kansas City?
Based on momondo bookings for flights between St. Louis and Kansas City, the leading airline is Southwest, making up 100% of the total bookings.
Best airlines flying from St. Louis to Kansas City
Compare and see reviews for airlines that fly from St. Louis to Kansas City with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $264 | Free Cancellation | Rating 7.9 4,222 reviews |
Southwest Flights From St. Louis to Kansas City
Southwest flies from St. Louis to Kansas City around 15 times per week, with 4,222 momondo users rating the airline 7.9/10. The cheapest Southwest deal from St. Louis to Kansas City in the last 72 hours was $264 (round-trip), much lower than the average airfare cost of $513 for Southwest flights on this route.
Traveling to a place near Kansas City?
Book flights to Kansas City if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from St. Louis to Kansas City?
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 Kansas City from St. Louis.
Can I find flights from St. Louis to Kansas City with flexible booking policies on momondo?
momondo does allow users to show only those flights to Kansas City from St. Louis which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from St. Louis to Kansas City?
Once all potential St. Louis to Kansas City flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from St. Louis to Kansas City right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Kansas City from St. Louis. 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.