Cheapest return ATH–KTM flights, September

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

Return flights

30 Sep - 31 Oct IndiGo
01 Sep - 13 Sep Air Arabia
30 Sep - 19 Oct IndiGo

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

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