The cheapest Helsinki to Kathmandu return flight on the radar right now is €1,289, flying with Finnair + Air India + IndiGo via one or more connections. It covers departures in November 2026, and every dated link below opens that exact HEL–KTM search on Skyscanner. The price we usually record on this route is €1,007. Across 81 recorded checks it has ranged between €520 and €1,347. Our sampling points to November 2026 as the cheapest month to fly Helsinki to Kathmandu.
Every fare here is re-confirmed against Skyscanner automatically, and each one is stamped with the moment it was last checked, so you can see how fresh it is instead of taking it on trust. Not flying from Helsinki? We track 51 other departure cities for Kathmandu, listed at the foot of this page.
Fares move quickly. If this Helsinki to Kathmandu price has gone by the time you search, shift the dates a day or two either side, because the same route is often still cheap just next door.