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

Return flights

06 Sep - 18 Sep	Air India
11 Sep - 19 Sep	Air India
10 Sep - 20 Sep	Air India
20 Sep - 28 Sep	Air India
17 Sep - 23 Sep	Air India
18 Sep - 26 Sep	Air India
18 Sep - 25 Sep	Air India
03 Sep - 13 Sep	Air India
11 Sep - 15 Sep	Air India
22 Sep - 30 Sep	Air India
10 Sep - 14 Oct	IndiGo
21 Sep - 05 Oct	IndiGo
24 Sep - 03 Oct	IndiGo
20 Sep - 05 Oct	IndiGo
10 Sep - 11 Oct	IndiGo
23 Sep - 04 Oct	IndiGo
24 Sep - 05 Oct	IndiGo
27 Sep - 02 Oct	Air India
17 Sep - 15 Oct	Air India
27 Sep - 06 Oct	Air India

Also check the deals for one-way flights from Muscat to Bangkok 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 Muscat to Bangkok in September from $282

Return flights