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

Return flights

27 Jun - 28 Jul	Pegasus Airlines
27 Jun - 23 Jul	Pegasus Airlines
27 Jun - 27 Jul	Pegasus Airlines
30 Jun - 31 Jul	Pegasus Airlines
26 Jun - 27 Jul	Pegasus Airlines
21 Jun - 20 Jul	Pegasus Airlines
29 Jun - 25 Jul	Pegasus Airlines
16 Jun - 31 Jul	Pegasus Airlines
21 Jun - 23 Jun	IndiGo
23 Jun - 21 Jul	IndiGo
19 Jun - 22 Jun	Pegasus Airlines
20 Jun - 18 Jul	IndiGo
19 Jun - 26 Jun	Pegasus Airlines

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

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 June from $762

Return flights