St. Louis

$130+ Cheap flights from Kansas City to St. Louis (MCI - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — STL
nov. 25 — dic. 21
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Cheap flight deals from Kansas City to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MCI) to St. Louis (STL). 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 noviembre 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

February

Cheapest in

January

Round-trip from

$249
(Southwest)

One-way from

$130
(Frontier)
Provider with most accurate pricing for Kansas City-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Kansas City-Lambert-St Louis flights.
High demand for flights, 34% potential price rise
Best time to find cheap flights, 54% potential price drop
From Kansas City to Lambert-St Louis
One-way flight from Kansas City to Lambert-St Louis

Find flight deals from Kansas City to St. Louis

Cheapest flights from Kansas City to St. Louis
Explore the most affordable flight options available from Kansas City to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 20, 2024.

This Southwest deal was found by Cheapflights users on 11/18. 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.
mié. 12/1811:45 amMCI - STL
Nonstop1h 00mSouthwest
mié. 12/251:05 pmSTL - MCI
1 stop5h 40mSouthwest
Deal found 11/18$249
This American Airlines deal was found by Cheapflights users on 11/18. 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.
mié. 12/185:20 amMCI - STL
1 stop11h 01mAmerican Airlines
mié. 12/255:45 amSTL - MCI
1 stop7h 50mAmerican Airlines
Deal found 11/18$323
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/1610:05 amMCI - STL
1 stop24h 22mUnited Airlines
jue. 12/196:25 amSTL - MCI
1 stop15h 25mUnited Airlines
Deal found 11/19$468
This Booking.com deal was found by Cheapflights users on 11/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/232:43 pmMCI - STL
1 stop9h 23mFrontier
dom. 11/241:34 pmSTL - MCI
1 stop23h 38mFrontier
Deal found 11/19$518
This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/277:11 pmMCI - STL
2 stops21h 15mMultiple Airlines
lun. 12/21:00 pmSTL - MCI
3 stops25h 54mMultiple Airlines
Deal found 11/19$545
This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/277:11 pmMCI - STL
2 stops21h 15mSpirit Airlines
dom. 12/15:21 pmSTL - MCI
2 stops24h 44mSpirit Airlines
Deal found 11/19$704

Find flights from Kansas City to St. Louis within your budget

Customize your flight search to find flights from Kansas City to St. Louis 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 2,629,791 searches. Data last updated noviembre 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

mié. 12/18

7:05 am-8:15 am

Nonstop1h 10m

Lambert-St Louis

mié. 12/25

8:15 pm-9:25 pm

Nonstop1h 10m

$168

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

mié. 12/18

5:20 am-4:21 pm

1 stop11h 01m

Lambert-St Louis

mié. 12/25

5:45 am-1:35 pm

1 stop7h 50m

$323

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

lun. 12/16

10:05 am-10:27 am

1 stop24h 22m

Lambert-St Louis

jue. 12/19

6:25 am-9:50 pm

1 stop15h 25m

$468

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

vie. 12/20

7:11 pm-5:02 pm

2 stops21h 51m

Lambert-St Louis

dom. 12/22

12:15 pm-1:18 pm

3 stops25h 03m

$711

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

jue. 12/19

8:28 pm-8:13 am

1 stop11h 45m

$130

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

mié. 12/18

2:13 pm-3:21 pm

1 stop25h 08m

$148

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

dom. 12/22

3:10 pm-10:40 pm

1 stop7h 30m

$165

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

mié. 12/18

7:11 am-10:05 pm

1 stop14h 54m

$167

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

mar. 1/21

2:59 pm-1:53 pm

1 stop22h 54m

$177

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

mar. 1/21

5:05 pm-12:48 pm

1 stop19h 43m

$202

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 12 results
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Compare providers for flights from Kansas City to St. Louis

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 Kansas City to St. Louis in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kansas City-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kansas City-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kansas City-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kansas City-St. Louis 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 Kansas City-St. Louis 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 Kansas City to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Kansas City with our price prediction graph.
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.

Travel insights for flights from Kansas City to St. Louis

Get recent, data-driven insights about flights from Kansas City to St. Louis including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Kansas City to St. Louis?

Currently, September is the cheapest month in which you can book a flight from Kansas City to St. Louis (average of $308). Flying from Kansas City to St. Louis in March is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MCI to STL?

Find hourly flight availability from Kansas City to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 20, 2024.

When flying from Kansas City to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 34% versus a flight at noon.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated noviembre 20, 2024.
See what other customers who have flown with Southwest, American Airlines and United Airlines from Kansas City to St. Louis have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
5,014 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

8.1
Very good
5,014 reviews
8.1
Very good
5,014 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

8.0
Very good
9,461 reviews
8.1
Very good
5,014 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

8.0
Very good
8,756 reviews
8.1
Very good
5,014 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

7.4
Good
9,171 reviews
8.1
Very good
5,014 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

7.2
Good
10,000 reviews
8.1
Very good
5,014 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Kansas City to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from Kansas City to St. Louis?

    Lambert-St Louis is the airport most travelers will use when flying to St. Louis from Kansas City. Booking flights from Kansas City (MCI) to Lambert-St Louis (STL) should be relatively easy as there are 2 daily flights to St. Louis from 2 different airlines. 1h 00m is how long a flight from Kansas City to Lambert-St Louis will take if you book a nonstop flight.

  • How popular is this Kansas City to St. Louis flight route?

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

    Our cheapest airline available from Kansas City to St. Louis is Southwest. Our recent data shows that you can find tickets from as low as $249 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $323 and $468 round-trip. You may be able to fly from Kansas City to St. Louis for 35% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $130. Spirit Airlines flights start at $148 while deals on Southwest start at $165 one-way.

  • What are the cheapest flights from Kansas City to St. Louis?

    Looking at all options, your cheapest flight can be booked for $166. While the most popular route (Kansas City - Lambert-St Louis) can be booked for $286 on average our data indicates $336 when flying from Kansas City to St. Louis.

  • Can I find deals for flights from Kansas City to St. Louis that include hotel bookings?

    Yes. In addition to deals on Kansas City to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kansas City to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansas City to St. Louis.

  • Can I find deals for business class flights from Kansas City to St. Louis?

    Yes. Cheapflights offers flight deals from Kansas City to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kansas City to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from Kansas City to St. Louis (average of $308). Flying from Kansas City to St. Louis in March is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Kansas City to St. Louis

Discover the top 2 airlines that operate flights from Kansas City to St. Louis. 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 2,629,791 searches. Data last updated noviembre 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$176Average$481FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$276Average$404FlexibilityNo cancel feeOn-time71%
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