Flight Belgorod - Saint-Petersburg prices from $52.27

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.

Azerbaijan Airlines, also known as AZAL, is the flag carrier airline of Azerbaijan. It was founded in 1992 and is headquartered in Baku, the capital city of Azerbaijan. The airline operates scheduled passenger flights to over 40 destinations across Europe, Asia, and the Middle East, as well as charter flights to other destinations. Azerbaijan Airlines has a fleet of modern aircraft, including Boeing 787 Dreamliners, Airbus A319s, A320s, and A340s. The airline offers a range of services to its passengers, including in-flight entertainment, meals, and beverages. Azerbaijan Airlines is a member of the International Air Transport Association (IATA) and the Association of European Airlines (AEA).

Fly Emirates is the national airline of the United Arab Emirates (UAE) and one of the largest airlines in the world. It operates over 3,600 flights per week to more than 150 destinations in over 80 countries. The airline is known for its luxurious amenities, including private suites, gourmet dining, and in-flight entertainment. It is also a major sponsor of sports teams and events, including football clubs such as Real Madrid and Arsenal, as well as the ATP tennis tour. Fly Emirates has won numerous awards for its service, including being named the World's Best Airline by Skytrax in 2016.

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.

Turkish Airlines is the national flag carrier airline of Turkey, headquartered in Istanbul. It operates scheduled flights to over 300 destinations in Europe, Asia, Africa, and the Americas, making it one of the largest airlines in the world by number of destinations served. Turkish Airlines has won numerous awards for its service, including "Best Airline in Europe" six years in a row from 2011 to 2016. The airline operates a modern fleet of over 350 aircraft, including Airbus A320s, A330s, A340s, A350s, and Boeing 737s, 777s, and 787s. Turkish Airlines is a member of the Star Alliance, the world's largest airline alliance.