St. Louis to Las Vegas is 1,368 miles (2,202 km), a flight of about 3 hours 20 minutes.
The right side wins overall because the cruise phase tracks north of the direct line, giving sustained views of the Colorado Rockies foothills and high plateau country for over an hour, far outweighing the brief Strip glimpse on landing.
Flight Path
Western Kansas plains giving way to the Colorado Rockies foothills and the high desert plateau of eastern Utah before descending toward the Nevada basin
Great circle distance and headings ›
Phase by phase

Takeoff from STL
RIGHTDeparting STL on the northwest-oriented runways, the initial climb and left turn onto a westward heading briefly puts downtown St. Louis, the Gateway Arch, and the Mississippi River bend into view on the right side before the plains take over.

Landing at LAS
LEFTArrivals into LAS on the westbound 26L/26R runways swing south of the Strip on final approach, giving left-side passengers a clear descending view of the casino towers and the surrounding desert basin.
Landmarks on this routeAll landmarks →
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About This Route
Which side of the plane should I sit on flying from Lambert St Louis International (STL) to Mc Carran International (LAS)?
Sit on the Right side of the plane for the best views on flights from St. Louis to Las Vegas. The right side wins overall because the cruise phase tracks north of the direct line, giving sustained views of the Colorado Rockies foothills and high plateau country for over an hour, far outweighing the brief Strip glimpse on landing.
What can I see during takeoff from Lambert St Louis International in St. Louis?
During takeoff from Lambert St Louis International (STL), sit on the Right side for the best views. Departing STL on the northwest-oriented runways, the initial climb and left turn onto a westward heading briefly puts downtown St. Louis, the Gateway Arch, and the Mississippi River bend into view on the right side before the plains take over. Notable sights include: Gateway Arch, Mississippi River, downtown St. Louis skyline.
What can I see when landing at Mc Carran International in Las Vegas?
When landing at Mc Carran International (LAS), sit on the Left side for the best views. Arrivals into LAS on the westbound 26L/26R runways swing south of the Strip on final approach, giving left-side passengers a clear descending view of the casino towers and the surrounding desert basin. Notable sights include: Las Vegas Strip, Spring Mountains, Lake Mead area haze on the horizon.
How long is the flight from St. Louis to Las Vegas?
The flight from Lambert St Louis International (STL) to Mc Carran International (LAS) takes about 3 hours 20 minutes. The shortest flight path between them is 1,368 miles (2,202 km); winds and air traffic control usually add a few percent.
What does the St. Louis to Las Vegas flight path pass over?
Western Kansas plains giving way to the Colorado Rockies foothills and the high desert plateau of eastern Utah before descending toward the Nevada basin