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

Return flights

09 Sep - 16 Sep	Etihad Airways
05 Sep - 09 Oct	Air India
18 Sep - 25 Sep	Air India
22 Sep - 29 Sep	Air India
19 Sep - 26 Sep	Air India
18 Sep - 18 Sep	Air India
21 Sep - 24 Oct	Air India
30 Sep - 10 Oct	Air India
26 Sep - 31 Oct	Air India
17 Sep - 27 Oct	Kuwait Airways
28 Sep - 29 Oct	Air India
28 Sep - 28 Oct	Air India
29 Sep - 29 Oct	SalamAir
29 Sep - 30 Oct	SalamAir
29 Sep - 10 Oct	Air India

Also check the deals for one-way flights from Dammam 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 Dammam to Kathmandu in September from 350€

Return flights