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

Return flights

28 Sep - 05 Oct	SriLankan Airlines
27 Sep - 16 Oct	Air Arabia
29 Sep - 13 Oct	Air Arabia
13 Sep - 14 Sep	Nepal Airlines
05 Sep - 05 Sep	flydubai
15 Sep - 15 Sep	Air India
21 Sep - 21 Sep	Air Arabia
11 Sep - 10 Oct	Nepal Airlines
08 Sep - 15 Sep	Qatar Airways
07 Sep - 08 Sep	Qatar Airways
09 Sep - 09 Sep	Air Arabia
11 Sep - 11 Sep	Air Arabia
05 Sep - 12 Sep	flydubai
18 Sep - 25 Sep	flydubai
29 Sep - 13 Oct	Qatar Airways	direct
28 Sep - 05 Oct	Qatar Airways	direct
27 Sep - 16 Oct	Qatar Airways	direct
11 Sep - 10 Oct	Qatar Airways	direct

Also check the deals for one-way flights from Kathmandu to Doha 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 Kathmandu to Doha in September from $441

Return flights