AirHint found the following cheapest return flights from Bangkok (BKK) to Muscat (MCT) in September 2025 (see full year).

Return flights

12 Sep - 18 Sep	IndiGo
07 Sep - 11 Sep	IndiGo
07 Sep - 12 Sep	IndiGo
01 Sep - 03 Sep	Thai VietJet Air
24 Sep - 01 Oct	IndiGo
25 Sep - 28 Sep	Oman Air	direct
24 Sep - 01 Oct	Oman Air	direct
07 Sep - 11 Sep	Oman Air	direct
12 Sep - 18 Sep	Oman Air	direct
07 Sep - 12 Sep	Oman Air	direct
01 Sep - 03 Sep	Oman Air	direct

Also check the deals for one-way flights from Bangkok to Muscat 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 Bangkok to Muscat in September from 274€

Return flights