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

Return flights

29 Sep - 13 Oct	Wizz Air Malta
09 Sep - 30 Sep	Air Arabia
07 Sep - 22 Sep	Air Arabia
01 Sep - 08 Sep	Wizz Air Malta
20 Sep - 27 Sep	Pegasus Airlines
21 Sep - 04 Oct	Austrian Airlines
06 Sep - 20 Sep	Air Arabia
05 Sep - 23 Sep	Air Arabia
26 Sep - 25 Oct	Wizz Air Malta
27 Sep - 24 Oct	Wizz Air Malta
05 Sep - 14 Sep	Air Arabia
05 Sep - 10 Sep	Air Arabia
23 Sep - 07 Oct	Air Arabia
19 Sep - 30 Sep	Air Arabia
26 Sep - 03 Oct	Air Arabia
21 Sep - 07 Oct	Air Arabia
08 Sep - 15 Sep	IndiGo
24 Sep - 13 Oct	Air Arabia
30 Sep - 16 Oct	Air Arabia
19 Sep - 09 Oct	Air Arabia

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 547€

Return flights