AirHint found the following cheapest return flights from Singapore (SIN) to Muscat (MCT) in December 2025 (see full year).

Return flights

03 Dec - 11 Dec	Scoot
13 Dec - 24 Dec	Ethiopian Airlines
18 Dec - 25 Dec	Gulf Air
26 Dec - 09 Jan	Gulf Air
10 Dec - 11 Jan	IndiGo
03 Dec - 16 Dec	Scoot
14 Dec - 22 Dec	IndiGo
21 Dec - 31 Dec	IndiGo
19 Dec - 27 Dec	IndiGo
20 Dec - 27 Dec	IndiGo
19 Dec - 04 Jan	IndiGo
20 Dec - 26 Dec	IndiGo
20 Dec - 28 Dec	Gulf Air

Also check the deals for one-way flights from Singapore to Muscat in December.

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 Singapore to Muscat in December from 438€

Return flights