Cheap flights from Kansas City to Saint Louis
from 157 US$
Compare hundreds of airlines Kansas City–Saint Louis
The cheapest month is usually 2026-08 · 157 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Kansas City to Saint Louis, 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 Kansas City to Saint Louis?
It's usually 2026-08, from 157 USD. Use the price calendar to compare other dates.
How long is the flight from Kansas City to Saint Louis?
A nonstop flight takes about 0h 59m and covers around 383 km. Connecting itineraries take longer.
Are there direct flights from Kansas City to Saint Louis?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Kansas City to Saint Louis?
Southwest Airlines operate this route, among others. Compare them all in the results.
When should I book Kansas City–Saint Louis 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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Kansas City → Saint Louis · Live fares from 100+ sites — free, with no hidden fees.