Flight Sofia - Nantong prices from $624.70

Air China is the flag carrier airline of the People's Republic of China. It was founded in 1988 and is headquartered in Beijing. The airline operates a fleet of over 400 aircraft and serves more than 200 destinations worldwide. Air China is a member of the Star Alliance, which is the world's largest airline alliance. The airline offers a range of services, including passenger and cargo transportation, as well as aircraft maintenance and ground handling. Air China is committed to providing safe, reliable, and comfortable air travel to its customers, and it has won numerous awards for its service and performance.

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).

EVA Air is a Taiwanese airline that was founded in 1989. It is a member of the Star Alliance and operates a fleet of over 70 aircraft to more than 60 destinations worldwide. EVA Air is known for its high-quality service, with a focus on comfort and luxury. The airline offers a range of cabin classes, including Royal Laurel Class, Premium Laurel Class, and Economy Class. EVA Air is also known for its Hello Kitty-themed flights, which feature special amenities and decorations. The airline has won numerous awards for its service, including the Skytrax 5-Star Airline award.

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.

Hainan Airlines is a Chinese airline headquartered in Haikou, Hainan province. It is the largest privately-owned airline in China and operates both domestic and international flights. The airline was founded in 1989 and has since grown to become a major player in the aviation industry. Hainan Airlines has a fleet of over 200 aircraft and serves more than 100 destinations worldwide. The airline is known for its high-quality service and has won numerous awards for its in-flight experience. Hainan Airlines is also a member of the global airline alliance, the HNA Group, which includes other airlines such as Hong Kong Airlines and Tianjin Airlines.

Korean Air is the largest airline and flag carrier of South Korea, headquartered in Seoul. It operates a vast network of domestic and international flights to over 125 destinations in 43 countries. The airline is a founding member of the SkyTeam alliance and has codeshare agreements with several other airlines. Korean Air offers a range of cabin classes, including First Class, Prestige Class (Business Class), and Economy Class, and provides various in-flight services such as entertainment, dining, and duty-free shopping. The airline has won numerous awards for its service quality, safety, and sustainability initiatives.

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.

Shandong Airlines is a Chinese airline based in Jinan, Shandong province. It was founded in 1994 and operates both domestic and international flights. The airline has a fleet of over 100 aircraft, including Boeing 737s and 767s, and serves more than 60 destinations in China and abroad. Shandong Airlines is a member of the SkyTeam alliance and has codeshare agreements with several other airlines. The airline has won several awards for its service, including the "Best Regional Airline in China" award at the 2019 World Airline Awards.

Shenzhen Airlines is a Chinese airline based in Shenzhen, Guangdong province. It was founded in 1992 and operates both domestic and international flights. The airline has a fleet of over 200 aircraft, including Airbus A320s, Boeing 737s, and Embraer E190s. Shenzhen Airlines is a member of the Star Alliance and has codeshare agreements with several other airlines. The airline has won several awards for its service, including the "Best Regional Airline in China" award at the 2019 Skytrax World Airline Awards. Shenzhen Airlines is known for its punctuality and safety record, and is a popular choice for travelers in China.

Spring Airlines is a low-cost airline based in Shanghai, China. It was founded in 2004 and operates both domestic and international flights to destinations in Asia. The airline's fleet consists of Airbus A320 aircraft, and it has a reputation for offering affordable fares and no-frills service. Spring Airlines has a strong focus on technology and innovation, with features such as online check-in and mobile boarding passes. The airline has won several awards for its service, including the "Best Low-Cost Carrier" award at the 2019 World Airline Awards.

Thai Airways is the national flag carrier airline of Thailand, headquartered in Bangkok. It was founded in 1960 and operates a fleet of over 80 aircraft, serving more than 80 destinations in 37 countries. Thai Airways is a member of the Star Alliance and has codeshare agreements with several other airlines. The airline offers a range of classes, including Royal First Class, Royal Silk Class, and Economy Class. Thai Airways is known for its high-quality service, including its in-flight meals and entertainment options. The airline has won numerous awards for its service, including the Skytrax World Airline Awards for Best Economy Class Onboard Catering and Best Airline Lounge Spa Facility.

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.