Aviasales is a travel metasearch platform with a monthly audience exceeding 15 million users. As a metasearch, Aviasales does not sell air tickets, but redirects users to airline and online travel agent websites. The company was founded in 2007 by Konstantin Kalinov and is headquartered in Moscow, Russia.

Aviasales allows users to search for flights from over 700 airlines and travel agencies. The company also offers a variety of features to help users find the best deals, including price alerts, fare calendars, and seat maps. In addition to flights, Aviasales also offers hotel booking, car rental, and travel insurance.