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

Return flights

27 Sep - 04 Oct	Thai VietJet Air
26 Sep - 29 Sep	SalamAir
28 Sep - 13 Oct	Thai VietJet Air
30 Sep - 03 Oct	Thai VietJet Air
27 Sep - 30 Sep	Thai VietJet Air
24 Sep - 30 Sep	Thai VietJet Air
22 Sep - 29 Sep	Thai AirAsia
18 Sep - 24 Sep	Qatar Airways
19 Sep - 20 Sep	SalamAir
22 Sep - 30 Sep	Thai AirAsia
17 Sep - 19 Sep	Oman Air	direct
23 Sep - 25 Sep	Air Arabia
18 Sep - 27 Sep	Qatar Airways

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 $357

Return flights