Aviasales.ru is the first and largest in RuNet meta flights from 728 airlines (including low-cost carriers flights and charters), 5 100 agencies and reservation systems. They are looking for cheap on sites such as OneTwoTrip, Ozon.travel, Tickets.ru, Sindbad, Trip.ru, Svyaznoy.Travel, Kupibilet, Aviakassa, SuperSaver, Clickavia, Biletdv, Skypicker, as well as dozens of other Russian and foreign online sales offices.
Aviasales is a search service. Finding the right ticket, the user navigates to a page or airline booking office to make a payment. They are looking for airline tickets on hundreds of airlines and find a few minutes the cheapest flights. To buy cheap air tickets, use their search engine which is completely free compares ticket prices online and finding the cheapest flights.