Cheapest return flights from Helsinki to Kathmandu in September from 556€

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

Return flights

04 Sep - 19 Sep IndiGo
02 Sep - 22 Sep IndiGo
01 Sep - 26 Sep IndiGo
11 Sep - 25 Sep IndiGo
03 Sep - 07 Oct IndiGo
07 Sep - 15 Oct IndiGo
08 Sep - 16 Oct IndiGo
27 Sep - 28 Sep IndiGo
25 Sep - 26 Sep IndiGo
21 Sep - 26 Oct Pegasus Airlines
11 Sep - 14 Oct IndiGo
11 Sep - 21 Oct IndiGo
15 Sep - 14 Oct IndiGo
17 Sep - 19 Oct IndiGo
23 Sep - 30 Oct IndiGo
22 Sep - 30 Oct IndiGo

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

Skyscanner

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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