Your next trip, last seen at €188
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
- Lowest observed
- €188, departing 23 Oct 2026 (Last checked: 14 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 7Check live prices for this route
- Airlines seen
- Southwest Airlines, American Airlines, Frontier Airlines
- Reported fastest flight
- 1h
- Non-stop
- Yes
About this route
Explore the fares we observed from Kansas City to St Louis. Prices move often, so pick your dates to see the latest options.
- Route distance
- 383 km
- Reported fastest flight
- 1h
- Airlines seen
- Southwest Airlines, American Airlines, Frontier Airlines
- Alternative airports
- MKC, SUS
Route-level information; individual journeys vary.
Published schedules report non-stop service with Southwest Airlines. Check current timetables.
A clearer picture of your fare
Airport to city: straight-line distance
- Kansas City International Airport (MCI) → Kansas City, city gazetteer reference point (39.0997, -94.5786): ≈ 25 km.
- St. Louis Lambert International Airport (STL) → St Louis, city gazetteer reference point (38.6270, -90.1994): ≈ 20 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Frequently asked
How much is a flight from Kansas City to St Louis?
The lowest fare we have observed is €188, found on 14 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Kansas City to St Louis?
In our observations October 2026 is the cheapest month so far, at €188.
Are there direct flights from Kansas City to St Louis?
Yes. We have seen non-stop flights on this route, flown by Southwest Airlines.
Which airlines fly from Kansas City to St Louis?
These are the carriers we have seen on the route: Southwest Airlines, American Airlines, Frontier Airlines.
How many of the observed Kansas City to St Louis fares were non-stop?
5 of the 7 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 14 Oct 2026