Cheapest return flights from Istanbul to Kathmandu in August from 402€

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

Return flights

01 Aug - 21 Aug Pegasus Airlines
03 Aug - 24 Aug Pegasus Airlines
11 Aug - 28 Aug Pegasus Airlines
24 Aug - 08 Sep Pegasus Airlines
21 Aug - 28 Aug Air Arabia
07 Aug - 18 Aug Air Arabia
20 Aug - 28 Aug Air Arabia
21 Aug - 26 Aug Air Arabia
01 Aug - 12 Aug Air Arabia
01 Aug - 13 Aug Air Arabia
02 Aug - 14 Aug Air Arabia
23 Aug - 24 Sep Air Arabia
24 Aug - 25 Sep Air Arabia
23 Aug - 01 Sep Air Arabia
17 Aug - 18 Sep Pegasus Airlines
31 Aug - 05 Sep Air Arabia
31 Aug - 05 Sep Turkish Airlines direct
17 Aug - 18 Sep Turkish Airlines direct
24 Aug - 25 Sep Turkish Airlines direct
23 Aug - 01 Sep Turkish Airlines direct

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

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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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