Flight Liège - Düsseldorf prices from £182.59

Air Europa is a Spanish airline that was founded in 1986. It is a member of the SkyTeam alliance and operates flights to over 50 destinations across Europe, the Americas, Africa, and Asia. The airline's main hub is located at Adolfo Suárez Madrid–Barajas Airport, and it also has secondary hubs at Palma de Mallorca Airport and Tenerife North Airport. Air Europa operates a fleet of over 50 aircraft, including Boeing 787 Dreamliners, Airbus A330s, and Embraer E195s. The airline offers a range of services to its passengers, including in-flight entertainment, Wi-Fi, and a loyalty program called SUMA.

Air France is the flag carrier airline of France, headquartered in Tremblay-en-France. It is a subsidiary of the Air France-KLM Group and a founding member of the SkyTeam global airline alliance. The airline operates a fleet of over 200 aircraft, serving more than 200 destinations worldwide. Air France offers a range of travel classes, including Economy, Premium Economy, Business, and La Première (First Class). The airline is known for its high-quality service, comfortable seating, and in-flight entertainment options. Air France is committed to sustainability and has implemented various initiatives to reduce its environmental impact, such as investing in more fuel-efficient aircraft and reducing single-use plastics.

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.

Croatia Airlines is the national airline of Croatia, based in Zagreb. It was founded in 1989 and operates scheduled domestic and international flights to over 30 destinations in Europe. The airline's fleet consists of Airbus A319, A320, and Dash 8-Q400 aircraft. Croatia Airlines is a member of Star Alliance, a global airline alliance, and has codeshare agreements with several other airlines. The airline offers a range of services to its passengers, including in-flight entertainment, meals, and beverages. Croatia Airlines is committed to providing safe, reliable, and comfortable air travel to its customers.

ITA Airways is a new Italian airline that was established in 2021 to replace the bankrupt Alitalia. The airline is owned by the Italian government and aims to provide high-quality services to passengers while promoting sustainable and responsible tourism. ITA Airways plans to operate a fleet of modern aircraft and offer a range of domestic and international routes. The airline has also committed to reducing its environmental impact by investing in fuel-efficient aircraft and adopting sustainable practices. ITA Airways is expected to play a key role in the recovery of the Italian aviation industry and contribute to the country's economic growth.

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.

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.