AirHint found the following cheapest return flights from Istanbul (SAW) to Kathmandu (KTM) in August 2025 (see full year).

Return flights

18 Aug - 25 Aug	Pegasus Airlines
02 Aug - 17 Aug	Pegasus Airlines
03 Aug - 10 Aug	Pegasus Airlines
01 Aug - 16 Aug	Pegasus Airlines
16 Aug - 23 Aug	Pegasus Airlines
17 Aug - 24 Aug	AJet
08 Aug - 15 Aug	AJet
06 Aug - 13 Aug	AJet
11 Aug - 22 Aug	Air Arabia
19 Aug - 26 Aug	Air Arabia

Also check the deals for one-way flights from Istanbul to Kathmandu in August.

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 Istanbul to Kathmandu in August from 382€

Return flights