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

Return flights

01 Sep - 30 Sep	Air India
11 Sep - 13 Oct	Air India
07 Sep - 11 Oct	Air India
14 Sep - 20 Oct	Air India
05 Sep - 04 Oct	Kuwait Airways
08 Sep - 07 Oct	Air India
01 Sep - 08 Sep	Qatar Airways	direct
01 Sep - 01 Oct	Qatar Airways	direct
04 Sep - 04 Oct	Air India
11 Sep - 20 Sep	Air India
09 Sep - 13 Oct	Kuwait Airways
04 Sep - 16 Sep	Air India
01 Sep - 17 Sep	Air India
12 Sep - 28 Oct	Air India
04 Sep - 16 Sep	Qatar Airways	direct
30 Sep - 30 Oct	Air India
09 Sep - 16 Sep	Air India
16 Sep - 20 Sep	Air India
06 Sep - 13 Sep	Air Arabia
01 Sep - 17 Sep	Qatar Airways	direct

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 275€

Return flights