To get to the ski resort of Leukerbad, you need to book a flight to Geneva Airport, which is 200 km away. You can also fly via Zurich Airport, but it will take another 3.5 hours by car to reach your destination.
Most tourists prefer Geneva airport as there are direct flights to Leukerbad. The bus service from the airport has an average interval of fifteen minutes. To find out more about all this, you will need to go to the website of Geneva Airport.
Thanks to the internet, you can download a diagram of Geneva Airport in Russian in advance to learn about the airport's air harbor, see the number and location of terminals, as well as immigration and customs checkpoints.