Cheap flights from Saint Louis to Kansas City
Cheapest current fares: $360 in August 2026, 380 km direct flight in ~27m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Saint Louis (STL) to Kansas City (MCI). Refreshed daily.
Saint Louis (STL) → Kansas City (MCI)
- August 2026 $360
Frequently asked questions
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What is the cheapest month to fly from Saint Louis to Kansas City?
Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Saint Louis (STL) to Kansas City (MCI), with fares starting from $360.
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What is the lowest current fare from STL to MCI?
The lowest currently-listed fare from Saint Louis (STL) to Kansas City (MCI) is $360 on 2026-08-17.
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How long is the flight from Saint Louis to Kansas City?
Direct flights from STL to MCI cover approximately 380 km (236 miles), with an estimated flight time of 27m. Operating airlines: WN.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.