Luxembourg (LUX) to Florence (FLR): 466 miles (750 km) great-circle, about 1h 25m nonstop by our estimate. Cheapest fare observed: $268 round-trip on KLM, with 1 stop, departing May 15, 2026.
$268 round-trip, KLM KL1714, departing 2026-05-15 at 18:25, returning 2026-05-20. The recorded itinerary left on a Friday, returning on a Wednesday 5 nights later; the fare was observed 20 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $268, it ranked 12th of the 30 round-trip fares we recorded from LUX (median $287). That is 57.5 cents per great-circle mile (round-trip price over one-way distance), above the LUX median of 36.9 cents across 30 round-trip routes.
Routes from LUX of similar length: Vienna (482 mi) at $349 and Nice (415 mi) at $94.
LUX to FLR is the only one of 30 LUX routes where KLM priced cheapest. It is the 24th longest of the 30 routes we track from LUX.
Of 2 departure airports with a fare to Florence, Luxembourg (LUX) ranked 1st at $268. Lowest: $268 from Luxembourg (LUX); highest: $381 from Reykjavik (KEF); 0 nonstop. Cheapest-fare airlines (routes): KLM (1) and Wizz Air Malta (1).
That depends on your passport and trip, so check the official source for Italy: European Commission: Schengen visa policy. Connecting elsewhere? Check that country's transit rules too.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Europe/Luxembourg, Europe/Rome; flight time is our estimate.