The cheapest Brussels to Kathmandu return flight on the radar right now is €535, flying with Air China via one or more connections. It covers departures in December 2026, and every dated link below opens that exact BRU–KTM search on Skyscanner. At 42% under the €917 we normally record here, it is one of the strongest BRU–KTM fares in our index. Across 91 recorded checks it has ranged between €443 and €1,345. Our sampling points to December 2026 as the cheapest month to fly Brussels to Kathmandu.
We do not post a price and leave it to age. Each fare is re-checked against Skyscanner on a schedule and carries the time it was last confirmed. Not flying from Brussels? We track 60 other departure cities for Kathmandu, listed at the foot of this page.
Cheap fares do not hang around. If this one has already gone, nudge the dates either way by a day or two; Brussels to Kathmandu is usually still decent value around the same window.