Luxair S.A., Société Luxembourgeoise de Navigation Aérienne, operating as Luxair, is the flag carrier airline of the Grand Duchy of Luxembourg. It operates scheduled services to 50 destinations in Europe, North Africa, the Mediterranean and Middle East, plus charter and seasonal summer services. Its head office is located on the grounds of Luxembourg - Findel Airport in Sandweiler. Its main base is Luxembourg - Findel Airport.

Descended from the Luxembourg Airlines Company, founded in 1948, Luxair was set up in 1961 to meet the growing demand for air links between Luxembourg and other European cities.

In 1962, Luxair began flights by launching a Luxembourg–Paris route with a Fokker F27 Friendship. From 1964 to 1969, Luxair operated three Lockheed L-1649A Starliner aircraft in a co-operative agreement with Trek Airways, from Luxembourg to Johannesburg. The Starliners were painted in Luxair livery along with Luxair registrations. By 1967, Luxair's fleet consisted of three Fokker Friendships and one Vickers Viscount. The latter was written off in a non-fatal accident in 1969 and replaced the following year by the airline's first jet airliner, a Caravelle built by Sud Aviation in Toulouse. The first Boeing aircraft, a Boeing 737-200, joined the fleet in 1977. Over the years, Luxair gradually introduced further jet aircraft Boeing 747SP (for routes to South Africa), Boeing 737-400 and Boeing 737-500 as well as Fokker 50 turboprops and Embraer jets. In an effort to move to an all-jet fleet, the last Fokker 50 aircraft was withdrawn from service in April 2005.