Luxembourg (LUX) to London (LON): 319 miles (514 km) great-circle, about 1h 10m nonstop by our estimate. Cheapest fare observed: $158 round-trip on Ryanair, nonstop, departing April 28, 2026.
$158 round-trip, Ryanair FR1458, departing 2026-04-28 at 16:10, returning 2026-05-02. The recorded itinerary left on a Tuesday, returning on a Saturday 4 nights later; the fare was observed 3 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $158, it ranked 5th of the 30 round-trip fares we recorded from LUX (median $287). That is 49.5 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: Milan (300 mi) at $156 and Berlin (369 mi) at $285.
Ryanair had the cheapest fare on 10 of 30 LUX routes. It is the 27th longest of the 30 routes we track from LUX.
Of 49 departure airports with a fare to London, Luxembourg (LUX) ranked 13th at $158. Lowest: $46 from Dublin (DUB); highest: $1356 from Sydney (SYD); 14 nonstop. Cheapest-fare airlines (routes): Ryanair (7), easyJet (4), Etihad (4), Frontier (4), Air Canada (3) and WestJet (3), plus 19 more.
That depends on your passport and trip, so check the official source for United Kingdom: GOV.UK: check if you need a UK visa. 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/London; flight time is our estimate.