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

Return flights

10 Sep - 30 Sep	Wizz Air Malta
08 Sep - 22 Sep	IndiGo
10 Sep - 23 Sep	Wizz Air Malta
05 Sep - 09 Sep	Pegasus Airlines
05 Sep - 12 Sep	Wizz Air Malta
26 Sep - 26 Oct	Wizz Air Malta
17 Sep - 24 Sep	IndiGo
20 Sep - 28 Sep	IndiGo
24 Sep - 29 Oct	Wizz Air Malta
26 Sep - 31 Oct	Wizz Air Malta
19 Sep - 26 Sep	IndiGo
29 Sep - 31 Oct	Wizz Air Malta
30 Sep - 07 Oct	Air Arabia
06 Sep - 21 Oct	Air Arabia
19 Sep - 18 Oct	Air Arabia
24 Sep - 08 Oct	Air Arabia
24 Sep - 04 Oct	Air Arabia
25 Sep - 04 Oct	Wizz Air Malta

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

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 Vienna to Kathmandu in September from 517€

Return flights