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

Return flights

05 Sep - 04 Oct	Kuwait Airways
09 Sep - 10 Oct	Kuwait Airways
12 Sep - 11 Oct	Kuwait Airways
29 Sep - 24 Oct	Air India
09 Sep - 24 Sep	Kuwait Airways
18 Sep - 18 Oct	Air India
02 Sep - 17 Oct	Kuwait Airways
17 Sep - 10 Oct	Air India
01 Sep - 30 Sep	Air Arabia
01 Sep - 04 Oct	Air Arabia
01 Sep - 12 Sep	Air India
01 Sep - 10 Oct	Air Arabia
15 Sep - 14 Oct	Air India
05 Sep - 05 Sep	Air Arabia
01 Sep - 01 Sep	Air Arabia
11 Sep - 11 Sep	Air Arabia
15 Sep - 16 Sep	Air India
05 Sep - 05 Sep	Nepal Airlines	direct
22 Sep - 23 Sep	Air Arabia
15 Sep - 15 Sep	Air Arabia

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 262€

Return flights