Athens ATH to Barcelona BCN flight with Vueling

Air Serbia is the national flag carrier of Serbia, with its main hub at Belgrade Nikola Tesla Airport. The airline's origins trace back to Aeroput, established in 1927, making it one of the oldest airlines in Europe. Rebranded as Air Serbia in 2013 after a partnership with Etihad Airways, the airline has since modernized its fleet and expanded its network. Air Serbia operates scheduled, seasonal, and charter flights to over 90 destinations across Europe, the Mediterranean, North America, Asia, and Africa. They offer both passenger and cargo services, and in cooperation with partner airlines, extend their reach to international destinations in Asia, Australia, North America, and Africa. The airline is a member of the International Air Transport Association (IATA).

GetJet Airlines is a Lithuanian-based airline established in 2016, specializing in Aircraft, Crew, Maintenance, and Insurance (ACMI) services, passenger charter, and air cargo operations. They provide flexible aviation solutions to other airlines and tour operators globally, helping them manage seasonal demand or cover unscheduled maintenance. GetJet Airlines operates a fleet that includes Airbus A320, A321, A330, and Boeing 737 aircraft. They have served clients such as Norwegian Air Shuttle, Finnair, LOT Polish Airlines, and TUI. In 2019, GetJet Airlines became the first Lithuanian airline to operate transatlantic flights to North America.