Luxembourg (LUX) to Belgrade (BEG): 739 miles (1,189 km) great-circle, about 2h 00m nonstop by our estimate. Cheapest fare observed: $288 round-trip on Swiss, with 2 stops, departing April 28, 2026.
$288 round-trip, Swiss LX759, departing 2026-04-28 at 19:25, returning 2026-05-05. The recorded itinerary left on a Tuesday, returning on a Tuesday 7 nights later; the fare was observed 3 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $288, it ranked 16th of the 30 round-trip fares we recorded from LUX (median $287). That is 39.0 cents per great-circle mile (round-trip price over one-way distance), close to the LUX median of 36.9 cents across 30 round-trip routes.
Routes from LUX of similar length: Palma De Mallorca (717 mi) at $281 and Podgorica (801 mi) at $230.
Swiss had the cheapest fare on 3 of 30 LUX routes. It is the 19th longest of the 30 routes we track from LUX.
Of 36 departure airports with a fare to Belgrade, Luxembourg (LUX) ranked 28th at $288. Lowest: $80 from Rome (FCO); highest: $1665 from Buenos Aires (EZE); 11 nonstop. Cheapest-fare airlines (routes): easyJet (6), Wizz Air (6), Vueling (4), Ryanair (3), Wizz Air Malta (3) and Air Serbia (2), plus 10 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Europe/Luxembourg, Europe/Belgrade; flight time is our estimate.