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

Return flights

19 Sep - 21 Sep	Air India
05 Sep - 10 Oct	Kuwait Airways
09 Sep - 08 Oct	Kuwait Airways
01 Sep - 30 Sep	Air Arabia
04 Sep - 07 Oct	Air Arabia
19 Sep - 03 Oct	Kuwait Airways
16 Sep - 16 Oct	Air India
01 Sep - 20 Oct	flydubai
17 Sep - 17 Oct	Air India
11 Sep - 25 Oct	Air India
15 Sep - 25 Oct	Air India
02 Sep - 14 Oct	flydubai
23 Sep - 30 Sep	Air India
02 Sep - 03 Sep	Air Arabia
01 Sep - 02 Sep	Air Arabia
11 Sep - 11 Sep	Air Arabia
23 Sep - 28 Sep	Air India
20 Sep - 20 Sep	Air Arabia
25 Sep - 25 Sep	Air Arabia
26 Sep - 26 Sep	Oman Air

Also check the deals for one-way flights from Doha 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 Doha to Kathmandu in September from $390

Return flights