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

Return flights

05 Sep - 15 Oct	Air Arabia
09 Sep - 25 Sep	Air India
05 Sep - 15 Sep	Kuwait Airways
05 Sep - 03 Oct	Kuwait Airways
07 Sep - 10 Oct	Air India
09 Sep - 08 Oct	Kuwait Airways
09 Sep - 13 Oct	Air India
05 Sep - 04 Oct	Kuwait Airways
03 Sep - 03 Oct	Air Arabia
17 Sep - 23 Sep	IndiGo
11 Sep - 18 Sep	Etihad Airways
14 Sep - 21 Sep	Air India
06 Sep - 05 Oct	Air India
05 Sep - 06 Oct	flydubai
07 Sep - 24 Oct	Air India
01 Sep - 08 Sep	Qatar Airways	direct
01 Sep - 15 Sep	IndiGo
10 Sep - 16 Sep	Etihad Airways
01 Sep - 06 Sep	Air Arabia
04 Sep - 07 Sep	Jazeera Airways

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 $217

Return flights