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

Return flights

16 Sep - 02 Oct	Air India
29 Sep - 04 Oct	IndiGo
30 Sep - 10 Oct	Air India
29 Sep - 08 Oct	Air India
23 Sep - 14 Oct	Air India
24 Sep - 22 Oct	Air India
18 Sep - 29 Sep	IndiGo
24 Sep - 06 Oct	Air India
18 Sep - 04 Oct	SalamAir
29 Sep - 06 Oct	SalamAir
16 Sep - 28 Sep	Air India
20 Sep - 16 Oct	IndiGo
21 Sep - 26 Sep	SalamAir
23 Sep - 30 Sep	Air India
16 Sep - 29 Sep	Air India
23 Sep - 29 Sep	Air India
17 Sep - 29 Sep	Air India
18 Sep - 25 Sep	IndiGo
15 Sep - 26 Sep	SalamAir	direct
16 Sep - 24 Sep	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 224€

Return flights