Flight Erzurum - Kayseri prices from $76.00

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 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.

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.

Corendon Airlines is a Turkish leisure airline that was founded in 2004. The airline operates flights to various destinations in Europe, Africa, and Asia, with a focus on holiday destinations. Corendon Airlines has a fleet of modern aircraft, including Boeing 737-800 and Airbus A320 planes. The airline offers a range of services to its passengers, including in-flight meals, entertainment, and comfortable seating. Corendon Airlines is committed to providing safe and reliable air travel, and has received numerous awards for its high standards of service. The airline is part of the Corendon Group, which also includes a tour operator and several hotels.

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.