Las Vegas (LAS) to Kansas City (MKC): 1,142 miles (1,838 km) great-circle, about 2h 45m nonstop by our estimate. Cheapest fare observed: $229 round-trip on Spirit, nonstop, departing May 14, 2026.
$229 round-trip, Spirit NK2515, departing 2026-05-14 at 13:19, returning 2026-05-17. The recorded itinerary left on a Thursday, returning on a Sunday 3 nights later; the fare was observed 19 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $229, it ranked 12th of the 30 round-trip fares we recorded from LAS (median $271). That is 20.0 cents per great-circle mile (round-trip price over one-way distance), close to the LAS median of 20.1 cents across 30 round-trip routes.
Routes from LAS of similar length: Dallas (1,053 mi) at $130 and Houston (1,233 mi) at $137.
Spirit had the cheapest fare on 4 of 30 LAS routes. It is the 19th longest of the 30 routes we track from LAS.
Of 3 departure airports with a fare to Kansas City, Las Vegas (LAS) ranked 1st at $229. Lowest: $229 from Las Vegas (LAS); highest: $367 from Philadelphia (PHL); 1 nonstop. Cheapest-fare airlines (routes): Frontier (1), JetBlue (1) and Spirit (1).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Los_Angeles, America/Chicago; flight time is our estimate.