The flight distance from Mammoth Yosemite Airport (MMH) in Mammoth Lakes, United States to St Louis Lambert International Airport (STL) in St Louis, United States is 2,481 kilometers (1,542 miles / 1,340 nautical miles). The estimated flight time for this route is approximately 4h, flying east northeast at a heading of 78°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation. Despite being a domestic route, there is a 2-hour time difference between the two cities.

Time zone information: When it's 02:39 in Mammoth Lakes, it's 04:39 in St Louis.

There is a significant elevation difference of 6,518 feet between the two airports. St Louis Lambert International Airport sits lower than Mammoth Yosemite Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from St Louis (STL) to Mammoth Lakes (MMH) follows a heading of 276° (west). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Mammoth Yosemite Airport (MMH) and St Louis Lambert International Airport (STL) detail pages, or use our flight duration calculator to compare other routes.