Cheap flights from Saint Louis to Las Vegas

Cheapest current fares: $133 in September 2026, 2,201 km direct flight in ~2h 35m.

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Live fares · STL → LAS

Cheapest month-by-month fares

Lowest available fare per calendar month from Saint Louis (STL) to Las Vegas (LAS). Refreshed daily.

Saint Louis (STL) → Las Vegas (LAS)

  1. September 2026 $133

Frequently asked questions

  • What is the cheapest month to fly from Saint Louis to Las Vegas?

    Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Saint Louis (STL) to Las Vegas (LAS), with fares starting from $133.

  • What is the lowest current fare from STL to LAS?

    The lowest currently-listed fare from Saint Louis (STL) to Las Vegas (LAS) is $133 on 2026-09-03.

  • How long is the flight from Saint Louis to Las Vegas?

    Direct flights from STL to LAS cover approximately 2,201 km (1,368 miles), with an estimated flight time of 2h 35m. Operating airlines: F9, WN.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: STL → LAS Cheapest month to fly to Las Vegas All flights from Saint Louis All flights to Las Vegas Flights to USA Visa-free with USA passport F9 routes WN routes