AirHint found the following cheapest return flights from Muscat (MCT) to Kathmandu (KTM) in August 2025 (see full year).

Return flights

05 Aug - 05 Sep	SalamAir
28 Aug - 05 Sep	Oman Air
20 Aug - 28 Aug	IndiGo
05 Aug - 13 Aug	SalamAir
23 Aug - 30 Aug	Air Arabia
02 Aug - 13 Aug	Oman Air
03 Aug - 29 Aug	IndiGo
01 Aug - 08 Aug	Oman Air
04 Aug - 18 Aug	IndiGo

Also check the deals for one-way flights from Muscat to Kathmandu in August.

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 Muscat to Kathmandu in August from 254€

Return flights