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

Return flights

07 Dec - 14 Dec	Pegasus Airlines
12 Dec - 19 Dec	Ryanair
13 Dec - 27 Dec	Ryanair
13 Dec - 10 Jan	Ryanair
24 Dec - 28 Dec	Etihad Airways
16 Dec - 23 Dec	Aer Lingus
17 Dec - 10 Jan	Ryanair
19 Dec - 28 Dec	Ryanair
05 Dec - 09 Jan	Etihad Airways
22 Dec - 07 Jan	Ryanair
23 Dec - 28 Dec	Ryanair
23 Dec - 31 Dec	Ryanair
26 Dec - 10 Jan	Aer Lingus
27 Dec - 16 Jan	Etihad Airways
18 Dec - 10 Jan	Ryanair
18 Dec - 28 Dec	Aer Lingus
18 Dec - 30 Dec	Pegasus Airlines
27 Dec - 17 Jan	SunExpress
23 Dec - 01 Jan	Aer Lingus
26 Dec - 09 Jan	Aer Lingus

Also check the deals for one-way flights from Dublin 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 Dublin to Muscat in December from $419

Return flights