MCI's central security checkpoint is efficient, rarely taking more than 5 minutes without TSA PreCheck.
Round-trip from | $321 (American Airlines) |
---|---|
One-way from | $39 (Southwest) |
Popular in | February |
Cheapest in | March |
Average price | $296 |
Fly from
Fly to
Route
Depart
Return
Price
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Mon 10/27
10:50 am-11:50 am
Nonstop1h 00m
Lambert-St Louis
Thu 10/30
9:50 am-10:55 am
Nonstop1h 05m
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Tue 8/5
7:00 am-4:22 pm
1 stop9h 22m
Lambert-St Louis
Thu 8/7
6:00 am-2:45 pm
1 stop8h 45m
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Sat 7/26
7:20 pm-9:52 am
2 stops14h 32m
Lambert-St Louis
Mon 7/28
10:47 am-1:37 pm
2 stops26h 50m
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Wed 7/2
11:05 am-5:04 pm
3 stops29h 59m
Lambert-St Louis
Sun 7/6
6:36 am-4:56 pm
1 stop10h 20m
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Mon 10/27
7:51 pm-9:07 am
1 stop13h 16m
Lambert-St Louis
Thu 10/30
7:52 pm-7:02 pm
1 stop23h 10m
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Sat 8/2
8:00 am-10:45 pm
1 stop14h 45m
Lambert-St Louis
Sat 8/9
6:33 am-11:14 pm
1 stop16h 41m
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Mon 10/6
10:50 am-11:50 am
Nonstop1h 00m
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Sun 9/7
7:39 pm-7:49 am
1 stop12h 10m
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Thu 10/16
5:44 am-12:48 pm
1 stop7h 04m
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Sun 9/14
8:50 am-7:49 am
3 stops22h 59m
Currently, August is the cheapest month in which you can book a flight from Kansas City to St. Louis (average of $311). Flying from Kansas City to St. Louis in March is currently the most expensive (average of $356). 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.
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 at noon, which can drop the price by up to 12% versus a flight in the morning.
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.
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).
Comfort
Crew
Entertainment
Overall
Food
Boarding
Reviews
John,May 2025
PVD - BNA
Comfort
Crew
Entertainment
Overall
Food
Boarding
Reviews
John,May 2025
PVD - BNA
Comfort
Crew
Entertainment
Overall
Food
Boarding
Reviews
John,May 2025
PVD - BNA
Comfort
Crew
Entertainment
Overall
Food
Boarding
Reviews
John,May 2025
PVD - BNA
Comfort
Crew
Entertainment
Overall
Food
Boarding
Reviews
John,May 2025
PVD - BNA
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$97 | Average$353 | FlexibilityNo cancel fee | On-time63% |