Flight Porto - Sivas prices from €236.09

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.

Malindo Air is a Malaysian airline that was founded in 2013. It is a joint venture between Malaysia's National Aerospace and Defence Industries and Indonesia's Lion Air. The airline operates both domestic and international flights to destinations in Asia, Australia, and the Middle East. Malindo Air's fleet consists of Boeing 737 and ATR 72 aircraft, and it offers three classes of service: economy, business, and premium economy. The airline has won several awards for its service, including the Skytrax World Airline Awards for Best Low-Cost Airline in Asia in 2019. Malindo Air is committed to providing safe, reliable, and affordable air travel to its passengers.

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.

TUI Airways is a British charter airline and part of the TUI Group, one of the world's leading travel companies. The airline operates flights to over 80 destinations worldwide, with a focus on holiday destinations in Europe, Africa, and the Americas. TUI Airways operates a fleet of over 60 aircraft, including Boeing 737s, 757s, and 787s, as well as the more environmentally friendly Boeing 737 MAX. The airline offers a range of services, including economy and premium economy seating, in-flight meals and drinks, and entertainment options. TUI Airways is committed to sustainability and has implemented a range of initiatives to reduce its environmental impact.

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.

Uzbekistan Airways is the national airline of Uzbekistan, headquartered in Tashkent. It operates scheduled domestic and international flights to destinations in Asia, Europe, and North America. The airline was founded in 1992 after the collapse of the Soviet Union and has since grown to become one of the largest airlines in Central Asia. Uzbekistan Airways operates a fleet of modern aircraft, including Boeing 787 Dreamliners, Airbus A320s, and Boeing 767s. The airline offers a range of services to its passengers, including in-flight entertainment, meals, and beverages. Uzbekistan Airways is a member of the International Air Transport Association (IATA) and the Association of European Airlines (AEA).