Cheap flights from Kansas City to St. Louis from $226

Trusted by millions

Kiwi.com Guarantee for stress-free travel

One search, all the best deals

Explore flight deals to St. Louis

1 stop
Tue, Apr 29
Kansas City MCISt. Louis STL

$226
Search
1 stop
Fri, May 2
Kansas City MCISt. Louis STL

$261
Search
2 stops
Fri, May 2
Kansas City MCISt. Louis STL

$280
Search
1 stop
Fri, May 2
Kansas City MCISt. Louis STL

$302
Search
1 stop
Tue, Apr 29
Kansas City MCISt. Louis STL

$309
Search
1 stop
Thu, May 1
Kansas City MCISt. Louis STL

$326
Search

Prices updated:

Not happy with the results? Try some of our useful filters

1 stop
Thu, May 1 – Mon, May 5
Kansas City MCISt. Louis STL

$456
Search
1 stop
Thu, May 1 – Mon, May 5
Kansas City MCISt. Louis STL

$456
Search
1 stop
Thu, May 1 – Mon, May 5
Kansas City MCISt. Louis STL

$456
Search
1 stop
Thu, May 1 – Mon, May 5
Kansas City MCISt. Louis STL

$456
Search
1 stop
Thu, May 1 – Mon, May 5
Kansas City MCISt. Louis STL

$456
Search
1 stop
Thu, May 1 – Mon, May 5
Kansas City MCISt. Louis STL

$478
Search

Prices updated:

Not happy with the results? Try some of our useful filters

How much do flights to St. Louis cost?

Key info about flying to St. Louis

Depart from
Kansas City International
Arrive to
St. Louis Lambert International
Average flights per week
120
Flight distance

Check-in for a flight from Kansas City to St. Louis

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUANo
Alaska AirlinesASAASNo

Weather in St. Louis

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January3°C-3°C
February6°C-2°C
March13°C3°C
April18°C8°C
May24°C14°C
June29°C19°C
July31°C21°C
August30°C20°C
September27°C16°C
October20°C10°C
November12°C3°C
December7°C0°C
Hottest Month
31°C
July
Coldest month
-3°C
January
Sunny days
263
days per year
Snow days
9
days per year

14 day forecast

Saturday
12 Apr
15°C9°C
19 Apr
88%
11°C8°C
Sunday
13 Apr
28°C8°C
20 Apr
85%
15°C8°C
Monday
14 Apr
16°C12°C
21 Apr
63%
24°C15°C
Tuesday
15 Apr
16°C7°C
22 Apr
23°C13°C
Wednesday
16 Apr
56%
19°C7°C
23 Apr
76%
24°C16°C
Thursday
17 Apr
50%
23°C12°C
24 Apr
26°C13°C
Friday
18 Apr
28°C16°C
25 Apr
88%
22°C16°C
The most popular airlines for this route are United Airlines, and Alaska Airlines. Kansas City and St. Louis have 120 direct flights per week.

Frequently asked questions

What are the most popular routes to and from Kansas City?
What are the most popular routes to and from St. Louis?
Which airports are there in Kansas City?
What airports are near Kansas City?
What airports are near St. Louis?
Which airlines fly between Kansas City and St. Louis?
When’s the best time to travel between Kansas City and St. Louis?
What flights operate between Kansas City and St. Louis?
How many airports are there near Kansas City?
How many airports are there near St. Louis?
What time do nonstop (direct) flights between Kansas City and St. Louis depart?
What time do nonstop (direct) flights between Kansas City and St. Louis arrive?
What time do flights between Kansas City and St. Louis depart?
What time do flights between Kansas City and St. Louis arrive?

Explore alternative trips

Flights from Kansas City

Flights to St. Louis

Popular routes

The nearest countries with flights to St. Louis

Here is a list of countries people are flying from

Other destination countries from Kansas City

Here is a list of countries people are flying to
Find the best connection from Kansas City to St. Louis
Search flights

Get more out of Kiwi.com with our mobile application

Download boarding passes

One-click booking

Get exclusive offers and prices

Mobile trip notifications


We hack the system,
you fly for less