Cheapest return flights from Cologne to Kathmandu in September from 664€

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

Return flights

01 Sep - 01 Oct Corendon Airlines
05 Sep - 11 Sep Corendon Airlines
27 Sep - 31 Oct Pegasus Airlines
26 Sep - 31 Oct AJet
05 Sep - 12 Sep AJet
09 Sep - 16 Sep Turkish Airlines
30 Sep - 12 Oct Turkish Airlines
29 Sep - 24 Oct Turkish Airlines
25 Sep - 28 Oct Turkish Airlines

Also check the deals for one-way flights from Cologne 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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