Cheapest return flights from Istanbul to Kathmandu in September from 432€

AirHint found the following cheapest return flights from Istanbul (IST) to Kathmandu (KTM) in September 2026 (see full year).

Return flights

17 Sep - 27 Sep Kuwait Airways
18 Sep - 29 Sep Kuwait Airways
13 Sep - 24 Sep Kuwait Airways
24 Sep - 18 Oct Kuwait Airways
21 Sep - 17 Oct Air Arabia
09 Sep - 28 Sep Air Arabia
25 Sep - 17 Oct Air Arabia
09 Sep - 18 Sep Air Arabia
29 Sep - 31 Oct Air Arabia
09 Sep - 28 Sep Turkish Airlines direct
09 Sep - 18 Sep Turkish Airlines direct
13 Sep - 24 Sep Turkish Airlines direct
17 Sep - 28 Sep Turkish Airlines direct
17 Sep - 27 Sep Turkish Airlines direct
24 Sep - 18 Oct Turkish Airlines direct

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

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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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