Cheap flights from Saint Louis to Kansas City
from 212 US$
From 630 USD — compare hundreds of airlines
The cheapest month is usually 2026-10 · 212 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Saint Louis to Kansas City, a about 383 km route (around 0h 59m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Southwest Airlines operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Saint Louis to Kansas City?
It's usually 2026-10, from 212 USD. Use the price calendar to compare other dates.
How long is the flight from Saint Louis to Kansas City?
A nonstop flight takes about 0h 59m and covers around 383 km. Connecting itineraries take longer.
Are there direct flights from Saint Louis to Kansas City?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Saint Louis to Kansas City?
Southwest Airlines operate this route, among others. Compare them all in the results.
When should I book Saint Louis–Kansas City flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Saint Louis → Kansas City · Live fares from 100+ sites — free, with no hidden fees.