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

One-Way flights

01 Sep	IndiGo
11 Sep	Air India
13 Sep	Air India
09 Sep	SriLankan Airlines
12 Sep	Air India
03 Sep	SriLankan Airlines
04 Sep	Etihad Airways
10 Sep	Jazeera Airways
17 Sep	Air India
04 Sep	Qatar Airways	direct

Also check the deals for return 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 one-way flights from Doha to Kathmandu in September from 124€

One-Way flights