Billund Airport BLL to Barcelona BCN flight with Ryanair

SAS, or Scandinavian Airlines, is the national airline of Denmark, Norway, and Sweden, headquartered in Solna, Sweden. Founded in 1946, it emerged from a merger of the three countries' national carriers to handle transatlantic operations. SAS operates extensive regional services within Scandinavia and Europe, as well as international flights to Asia and North America, with primary hubs in Copenhagen, Stockholm, and Oslo. As of July 2024, SAS, including its subsidiaries SAS Link and SAS Connect, operates a fleet of 133 aircraft to 130 destinations. SAS joined SkyTeam on September 1, 2024, after leaving Star Alliance.

KLM Royal Dutch Airlines is the flag carrier of the Netherlands and the world’s oldest airline still operating under its original name. Based in Amsterdam Schiphol Airport, KLM connects travelers to destinations across Europe, Asia, Africa, and the Americas. Its modern fleet offers comfort for every type of journey—from affordable Economy fares with in-flight entertainment and WiFi to Premium Comfort and Business Class with extra space, dining, and lounge access. With a reputation for excellent service and global connectivity, KLM is a trusted choice for international travel.

Norwegian Air International (NAI) was an Irish airline and a fully integrated subsidiary of Norwegian Air Shuttle, operating under its corporate identity. Headquartered at Dublin Airport, NAI operated flights to destinations across Europe and the Middle East from various European bases. Between 2017 and 2019, it also offered services from Europe to the United States and Canada. NAI received its operating license and air operator's certificate from Ireland in February 2014, allowing it to leverage European Union airline freedoms. By April 2021, its aircraft and operations were gradually transferred to its Swedish sister airline, Norwegian Air Sweden, and its parent company.

Malta Air is a low-cost airline that began operations in 2019, initially as a joint venture between Ryanair and the Government of Malta. Ryanair acquired full ownership of the company in 2025. The airline operates from Malta International Airport and has expanded its network to include numerous routes across Europe, the Middle East, and North Africa. Malta Air primarily utilizes Boeing 737-800 and Boeing 737 MAX 200 aircraft, focusing on high-density, short to medium-haul flights. As a low-cost carrier, it offers an Economy Class service with options for purchasing snacks and beverages onboard.

Ryanair is one of Europe’s largest and most popular low-cost airlines, headquartered in Ireland. It offers affordable flights to destinations across the continent, often operating to smaller or secondary airports outside major cities to keep fares low. All Ryanair tickets include an allowance for one small personal bag, with additional fees for cabin baggage and checked luggage. Known for its extensive network and budget-friendly fares, Ryanair makes it easy to travel quickly and affordably to popular European destinations.