Varna bis Rostov-on-Don Flug

Aegean Airlines is the largest airline in Greece, operating both domestic and international flights to over 150 destinations. Founded in 1987, the airline has grown to become a major player in the European aviation market, with a fleet of over 60 aircraft and a reputation for high-quality service. Aegean Airlines is a member of the Star Alliance, a global airline network that includes some of the world's largest carriers. The airline has won numerous awards for its customer service, including the Skytrax award for Best Regional Airline in Europe for nine consecutive years.

Air Moldova is the national airline of Moldova, headquartered in Chisinau. It was founded in 1993 and operates scheduled flights to destinations in Europe, Russia, and the Middle East. The airline's fleet consists of Airbus A319 and Embraer E190 aircraft. Air Moldova offers both economy and business class seating options, as well as a frequent flyer program called "Club One". The airline has codeshare agreements with several other airlines, including Turkish Airlines and Air France. Air Moldova is committed to providing safe and reliable air transportation services to its passengers, and has received several awards for its customer service.

Air Serbia is the national airline of Serbia, headquartered in Belgrade. It was founded in 2013 as a successor to the former national carrier, Jat Airways. Air Serbia operates flights to over 50 destinations in Europe, the Middle East, and North America, with a fleet of modern Airbus aircraft. The airline offers a range of services to its passengers, including in-flight entertainment, Wi-Fi, and a loyalty program called Etihad Guest. Air Serbia is a member of the Etihad Airways Partners group, which includes several other airlines around the world. The airline has won several awards for its service and performance, including Best Airline in Eastern Europe at the World Airline Awards.

Austrian Airlines is the flag carrier airline of Austria, headquartered in Vienna. It operates scheduled services to over 130 destinations worldwide, including Europe, North America, Asia, and Africa. The airline is a member of the Star Alliance and has a fleet of over 80 aircraft, including Airbus A320, A321, A319, Boeing 767, and 777. Austrian Airlines offers a range of travel classes, including Economy, Premium Economy, and Business Class, with a focus on providing a high level of service and comfort to its passengers. The airline has won numerous awards for its customer service, including Best Airline Staff in Europe and Best Business Class Catering.

Bulgaria Air is the national flag carrier airline of Bulgaria, headquartered in Sofia. It operates scheduled flights to over 20 destinations in Europe, the Middle East, and Africa. The airline was founded in 2002 and has a fleet of 10 aircraft, including Airbus A319s and Embraer E190s. Bulgaria Air offers both economy and business class seating, as well as a frequent flyer program called Fly More. The airline has codeshare agreements with several other airlines, including Air France, KLM, and Alitalia. Bulgaria Air is a member of the International Air Transport Association (IATA) and the Association of European Airlines (AEA).

As an AI language model, I am not sure what "Buta air" refers to. It could be a misspelling of "Bhutan Air," which is the national airline of Bhutan. Bhutan Air operates domestic flights within Bhutan and international flights to neighboring countries. The airline was established in 2011 and has a fleet of two Airbus A319 aircraft. Bhutan Air is known for its commitment to sustainable tourism and its use of biofuel on its flights. However, without more context or information, it is difficult to provide a more accurate answer.

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.

Lufthansa is a German airline and one of the largest airlines in Europe. It was founded in 1953 and operates flights to over 200 destinations worldwide. Lufthansa is a member of the Star Alliance, which is the world's largest airline alliance. The airline has a fleet of over 300 aircraft, including Airbus and Boeing planes. Lufthansa offers a range of services to its passengers, including in-flight entertainment, Wi-Fi, and a frequent flyer program called Miles & More. The airline is known for its high-quality service and has won numerous awards for its customer satisfaction and safety standards.

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.

Pegasus Airlines is a low-cost airline based in Turkey. It was founded in 1990 and began operations in 2005. The airline operates flights to over 100 destinations in 40 countries, primarily in Europe, the Middle East, and Asia. Pegasus Airlines has a fleet of over 80 aircraft, consisting of Airbus A320s and Boeing 737s. The airline offers a range of services, including online check-in, in-flight meals, and a loyalty program. Pegasus Airlines is known for its affordable fares and has won several awards for its customer service and operational efficiency.

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.

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).

Wizz Air is a low-cost airline based in Hungary that operates flights to destinations across Europe, the Middle East, and North Africa. Founded in 2003, the airline has grown rapidly and now operates a fleet of over 100 aircraft, serving more than 150 destinations in 44 countries. Wizz Air is known for its no-frills approach to air travel, offering low fares and charging extra for additional services such as checked baggage and in-flight meals. The airline has a strong focus on efficiency and cost control, allowing it to offer some of the lowest fares in the industry.

Yakutia Airlines is a Russian airline based in Yakutsk, the capital city of the Sakha Republic. It was founded in 2002 and operates domestic and international flights to destinations in Russia, Asia, and Europe. The airline has a fleet of modern aircraft, including Boeing 737s and Sukhoi Superjet 100s, and offers a range of services to its passengers, including in-flight meals, entertainment, and Wi-Fi. Yakutia Airlines is known for its commitment to safety and has received several awards for its high standards in this area. The airline also supports local communities in the Sakha Republic through various social and environmental initiatives.

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.