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

Return flights

15 Dec - 26 Dec	AirAsia
10 Dec - 11 Jan	IndiGo
03 Dec - 06 Dec	IndiGo
08 Dec - 15 Dec	IndiGo
27 Dec - 07 Jan	IndiGo
27 Dec - 06 Jan	IndiGo
27 Dec - 05 Jan	IndiGo
06 Dec - 07 Jan	IndiGo
07 Dec - 19 Dec	Air India
09 Dec - 18 Dec	IndiGo
11 Dec - 09 Jan	IndiGo
22 Dec - 28 Dec	IndiGo
23 Dec - 31 Dec	IndiGo
22 Dec - 30 Dec	IndiGo
19 Dec - 25 Dec	IndiGo
27 Dec - 01 Jan	IndiGo
18 Dec - 27 Dec	IndiGo
27 Dec - 04 Jan	IndiGo
24 Dec - 04 Jan	Air India
23 Dec - 04 Jan	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 425€

Return flights