AirHint found the following cheapest return flights from Helsinki (HEL) to Kathmandu (KTM) in October 2025 (see full year).

Return flights

19 Oct - 06 Nov	IndiGo
26 Oct - 26 Nov	IndiGo
01 Oct - 08 Oct	IndiGo
11 Oct - 19 Oct	IndiGo
12 Oct - 30 Nov	IndiGo
01 Oct - 20 Oct	IndiGo
10 Oct - 19 Oct	IndiGo
15 Oct - 26 Nov	IndiGo
15 Oct - 30 Nov	IndiGo
01 Oct - 18 Oct	IndiGo
15 Oct - 27 Nov	IndiGo
01 Oct - 17 Oct	IndiGo
15 Oct - 28 Nov	IndiGo
15 Oct - 29 Nov	IndiGo
02 Oct - 24 Oct	IndiGo
03 Oct - 25 Oct	IndiGo
01 Oct - 31 Oct	IndiGo
02 Oct - 25 Oct	IndiGo
26 Oct - 14 Nov	Qatar Airways
26 Oct - 15 Nov	Qatar Airways

Also check the deals for one-way flights from Helsinki to Kathmandu in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Helsinki to Kathmandu in October from 951€

Return flights