$114+ Cheap flights from St. Louis to Kansas City (STL - MCI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MCI
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Kansas City with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Kansas City
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Cheapest flights from St. Louis to Kansas CityExplore the most affordable flight options available from St. Louis to Kansas City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from St. Louis to Kansas City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:50 pm -
Nonstop1h 10m
Wed 10/1412:55 pm -
Nonstop1h 05m
Deal found 9/14![Southwest logo]()
$276
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:05 pm -
Nonstop1h 05m
Mon 10/51:50 pm -
Nonstop1h 05m
Deal found 9/10![Southwest logo]()
$277
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:00 am -
1 stop6h 49m
Mon 10/127:21 pm -
1 stop4h 58m
Deal found 9/14![American Airlines logo]()
$278
This Frontier deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:10 pm -
1 stop23h 27m
Mon 10/510:30 pm -
1 stop13h 02m
Deal found 9/11![Frontier logo]()
$294
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:27 pm -
1 stop7h 01m
Mon 10/197:21 pm -
1 stop4h 58m
Deal found 9/14![American Airlines logo]()
$295
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:30 am -
Nonstop1h 05m
Mon 10/121:50 pm -
Nonstop1h 05m
Deal found 9/14![Southwest logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:10 pm -
1 stop23h 27m
Fri 10/98:43 pm -
1 stop22h 14m
Deal found 9/11![Frontier logo]()
$307
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:50 pm -
Nonstop1h 10m
Mon 10/197:30 pm -
1 stop3h 50m
Deal found 9/14![Southwest logo]()
$309
Best flights from St. Louis to Kansas CityDiscover carefully curated flight deals from St. Louis to Kansas City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from St. Louis to Kansas City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:40 pm -
Nonstop1h 05m
Thu 12/38:15 am -
Nonstop1h 15m
Deal found 9/10![Southwest logo]()
$277
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:50 pm -
Nonstop1h 10m
Thu 10/154:45 pm -
1 stop4h 10m
Deal found 9/10![Southwest logo]()
$287
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:05 am -
1 stop4h 55m
Mon 10/56:15 pm -
1 stop4h 35m
Deal found 9/10![Southwest logo]()
$297
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:05 pm -
Nonstop1h 05m
Fri 10/161:50 pm -
Nonstop1h 05m
Deal found 9/10![Southwest logo]()
$313
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/129:50 pm -
Nonstop1h 10m
Mon 10/197:30 pm -
1 stop3h 50m
Deal found 9/14![Southwest logo]()
$324
This Southwest deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:05 pm -
Nonstop1h 05m
Mon 10/121:50 pm -
Nonstop1h 05m
Deal found 9/12![Southwest logo]()
$329
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:10 pm -
1 stop4h 55m
Sun 10/185:20 am -
1 stop4h 05m
Deal found 9/13![Southwest logo]()
$354
This Southwest deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:10 pm -
1 stop6h 05m
Sun 10/118:45 pm -
1 stop3h 55m
Deal found 9/12![Southwest logo]()
$369
Last-minute flights from St. Louis to Kansas CityDiscover last-minute flight deals from St. Louis to Kansas City. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Kansas City. Data last updated September 15, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:05 pm -
Nonstop1h 05m
Mon 10/51:50 pm -
Nonstop1h 05m
Deal found 9/10![Southwest logo]()
$277
This Frontier deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:10 pm -
1 stop23h 27m
Mon 10/510:30 pm -
1 stop13h 02m
Deal found 9/11![Frontier logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:10 pm -
1 stop23h 27m
Fri 10/98:43 pm -
1 stop22h 14m
Deal found 9/11![Frontier logo]()
$307
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:00 am -
1 stop6h 49m
Mon 10/127:21 pm -
1 stop4h 58m
Deal found 9/14![American Airlines logo]()
$278
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:30 am -
Nonstop1h 05m
Mon 10/121:50 pm -
Nonstop1h 05m
Deal found 9/14![Southwest logo]()
$303
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:50 pm -
Nonstop1h 10m
Wed 10/1412:55 pm -
Nonstop1h 05m
Deal found 9/14![Southwest logo]()
$276
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:27 pm -
1 stop7h 01m
Mon 10/197:21 pm -
1 stop4h 58m
Deal found 9/14![American Airlines logo]()
$295
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:50 pm -
Nonstop1h 10m
Mon 10/197:30 pm -
1 stop3h 50m
Deal found 9/14![Southwest logo]()
$309
One-way flights from St. Louis to Kansas CitySearch for one-way flight options from St. Louis to Kansas City. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from St. Louis to Kansas City. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:59 pm -
1 stop23h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:10 pm -
1 stop23h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$116
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:55 pm -
Nonstop1h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Southwest logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:59 pm -
1 stop23h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$131
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:05 pm -
Nonstop1h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Southwest logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:44 pm -
2 stops38h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:29 pm -
2 stops29h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:59 pm -
1 stop23h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:35 pm -
2 stops37h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/112:59 pm -
2 stops28h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/124:30 pm -
2 stops27h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$155
Find flight deals from St. Louis to Kansas City
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Kansas City (MCI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $246 (Kiwi.com) |
One-way from | $114 (Kiwi.com) |
Popular in | July |
Cheapest in | November |
Average price | $409 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Kansas City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 15, 2026.
Use the filters below to find and compare flights from St. Louis to Kansas City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
St. LouisKansas City
STL Lambert-St Louis - MCI Kansas City
STLMCI
Lambert-St Louis
Thu 10/22
8:30 am-9:35 am
Nonstop1h 05m
Kansas City
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$139
St. LouisKansas City
STL Lambert-St Louis - MCI Kansas City
STLMCI
Lambert-St Louis
Thu 12/10
8:15 pm-9:25 pm
Nonstop1h 10m
Kansas City
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$139
St. LouisKansas City
STL Lambert-St Louis - MCI Kansas City
STLMCI
Lambert-St Louis
Wed 12/9
8:15 pm-9:25 pm
Nonstop1h 10m
Kansas City
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$139
St. LouisKansas City
STL Lambert-St Louis - MCI Kansas City
STLMCI
Lambert-St Louis
Mon 11/9
8:25 am-9:35 am
Nonstop1h 10m
Kansas City
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$139
St. LouisKansas City
STL Lambert-St Louis - MCI Kansas City
STLMCI
Lambert-St Louis
Tue 10/6
8:00 am-2:18 pm
1 stop6h 18m
Kansas City
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
St. LouisKansas City
STL Lambert-St Louis - MCI Kansas City
STLMCI
Lambert-St Louis
Sat 10/17
5:36 pm-10:00 pm
1 stop4h 24m
Kansas City
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
St. LouisKansas City
STL Lambert-St Louis - MCI Kansas City
STLMCI
Lambert-St Louis
Sat 10/10
1:45 pm-2:50 pm
Nonstop1h 05m
Kansas City
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$165
St. LouisKansas City
STL Lambert-St Louis - MCI Kansas City
STLMCI
Lambert-St Louis
Sat 10/10
9:04 am-2:18 pm
1 stop5h 14m
Kansas City
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$175
St. LouisKansas City
STL Lambert-St Louis - MCI Kansas City
STLMCI
Lambert-St Louis
Wed 11/11
8:50 am-4:11 pm
1 stop7h 21m
Kansas City
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$184
St. LouisKansas City
STL Lambert-St Louis - MCI Kansas City
STLMCI
Lambert-St Louis
Sat 11/21
8:00 am-9:10 am
Nonstop1h 10m
Kansas City
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$184
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Kansas City
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Kansas City in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Kansas City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Kansas City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Kansas City flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Kansas City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Kansas City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Kansas City
Have a flexible travel schedule? Discover the best time to fly to Kansas City from St. Louis with our price prediction graph.
STL-MCI
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Kansas City
The best insider tips for St. Louis to Kansas City flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Kansas City trip
Our travel experts
Reviews of airlines servicing Kansas City
Get insights into the airlines that provide service to Kansas City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kansas City. Reviews last updated September 15, 2026.
Read through reviews of airlines operating flights from St. Louis to Kansas City, such as Southwest. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Kansas City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Kansas City?
Book flights to Kansas City if you plan to visit one of these locationsLee's Summit
Kansas City
Independence
Overland Park
Warrensburg
Lenexa
North Kansas City
Lansing
Liberty
Lawrence
Shawnee
Olathe
Belton
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St. Louis and Kansas City flights
Browse other St. Louis and Kansas City flight options. Last updated on September 15, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top airline flying from St. Louis to Kansas City
Discover the top airline that operate flights from St. Louis to Kansas City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$260 | Average$513 | FlexibilityNo cancel fee | On-time63% |