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

Return flights

25 Sep - 26 Oct	Air Arabia
22 Sep - 17 Oct	Air Arabia
17 Sep - 24 Sep	Air Arabia
20 Sep - 27 Sep	Air Arabia
21 Sep - 28 Sep	flydubai
23 Sep - 30 Sep	flydubai
24 Sep - 01 Oct	Emirates
22 Sep - 22 Sep	Air Arabia
20 Sep - 20 Sep	flydubai
25 Sep - 23 Oct	Air Arabia
16 Sep - 22 Oct	flydubai
20 Sep - 20 Oct	flydubai
25 Sep - 03 Oct	Air Arabia
26 Sep - 03 Oct	Jazeera Airways
29 Sep - 28 Oct	Jazeera Airways
16 Sep - 29 Oct	Etihad Airways
26 Sep - 26 Sep	flydubai

Also check the deals for one-way flights from Bahrain 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 Bahrain to Kathmandu in September from $163

Return flights