Orenburg Airlines or Orenair (Russian: Оренбургские авиалинии) was a Russian airline with its head office on the property of Orenburg Tsentralny Airport in Orenburg. It operated domestic passenger services and inclusive tour charters, as well as aerial work and special flights. Its main base was Orenburg Tsentralny Airport and it had hubs at Domodedovo and Simferopol International Airport.

The airline was formed from the Aeroflot Orenburg Division, which was established in 1932. In 1992 it began to operate under its present name. It was the first Russian domestic airline to introduce the hub system of connecting flights in Orenburg, providing a full service for transfer passengers, and was the first Russian domestic airline to introduce through air fares.

In 2010, Orenair was acquired by Aeroflot and was likely to engage in fleet modernization as a result of the merger. Orenair recently acquired Air Austral's B777-200ER F-ORUN, which Air Austral had been trying to sell for a year.

In April 2016 Aeroflot planned to merge Orenair and Donavia into Rossiya to form one larger airline based in Saint-Petersburg, Moscow and Rostov-On-Don. The former Orenair fleet will carry the Rossiya livery. On 26 May 2016 the airline's AOC was revoked after integration into Rossiya.

Orenair operated the following scheduled services before being merged into Rossiya. Orenair additionally operated charter flights from and to Kazan, Krasnodar, Nizhny Novgorod, Novosibirsk, Omsk, Rostov-on-Don, Samara, Sharm el-Sheikh, Ufa, Volgograd, Goa, Poprad-Tatry and other destinations.

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