Flight Omsk - Tyumen prices from $86.89

Air Astana is the flag carrier airline of Kazakhstan, headquartered in Almaty. It was founded in 2001 as a joint venture between the Kazakhstani government and British Airways. The airline operates a fleet of modern aircraft, including Boeing 767s, Airbus A320s, and Embraer E190s, and serves over 60 destinations worldwide. Air Astana has won numerous awards for its service, including the Skytrax award for Best Airline in Central Asia and India for six consecutive years. The airline is committed to sustainability and has implemented various initiatives to reduce its environmental impact, such as using biofuels and investing in more fuel-efficient aircraft.

Nordwind Airlines is a Russian airline that was founded in 2008. It operates both domestic and international flights to destinations in Europe, Asia, Africa, and the Americas. The airline's fleet consists of Boeing and Airbus aircraft, and it offers both economy and business class seating options. Nordwind Airlines is known for its affordable fares and has been expanding rapidly in recent years. The airline has also been recognized for its safety record and has received several awards for its service quality. Nordwind Airlines is headquartered in Moscow and operates out of several airports across Russia.

S7 Airlines is a Russian airline headquartered in Novosibirsk. It is the second-largest airline in Russia and operates flights to over 150 destinations in 30 countries. The airline was founded in 1957 as Tolmachevo United Squadron and was later renamed Sibir Airlines. In 2005, the airline rebranded as S7 Airlines and has since expanded its fleet and route network. S7 Airlines is a member of the global airline alliance oneworld and has codeshare agreements with several other airlines. The airline has won numerous awards for its service and safety, including being named the Best Airline in Russia and the CIS at the Skytrax World Airline Awards.

Ural Airlines is a Russian airline based in Yekaterinburg, Russia. It was founded in 1943 as Sverdlovsk State Air Enterprises and later renamed to Ural Airlines in 1993. The airline operates scheduled domestic and international flights to destinations in Europe, Asia, and the Middle East. It has a fleet of over 40 aircraft, including Airbus A320s, A321s, and A319s. Ural Airlines is known for its low-cost flights and has won several awards for its service, including the Skytrax award for Best Regional Airline in Russia and CIS in 2019. The airline is a member of the International Air Transport Association (IATA) and the Association of European Airlines (AEA).

Yamal Airlines is a Russian airline based in Salekhard, Yamalo-Nenets Autonomous Okrug. It was founded in 1997 and operates domestic and international flights to destinations in Russia, Europe, and Asia. The airline's fleet consists of Boeing 737 and Sukhoi Superjet 100 aircraft. Yamal Airlines is known for its focus on serving remote and hard-to-reach destinations in the Russian Arctic, including oil and gas fields and mining towns. The airline also operates charter flights for oil and gas companies and provides medical evacuation services. Yamal Airlines has a reputation for safety and reliability, and has won several awards for its service.