There are total 20 airlines have flights to Luxembourg including
Vueling Airlines, Aegean Airlines, Air Canada, Air France, British Airways, Flybe, Condor, Ryanair, Iberia, KLM, Luxair, Lufthansa, LOT, SWISS, Austrian Airlines, SAS, Turkish Airlines, TAP Portugal, Air Europa, Volotea.
You can get flights from 178 countries to Luxembourg including
United Arab Emirates, Afghanistan, Antigua and Barbuda, Albania, Armenia, Angola, Argentina, Austria, Australia, Aruba.... Check below to get your flights