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

Return flights

01 Dec - 05 Dec	Scandinavian Airlines
02 Dec - 11 Dec	Etihad Airways
08 Dec - 14 Dec	British Airways
01 Dec - 06 Dec	Etihad Airways
04 Dec - 10 Dec	British Airways
03 Dec - 07 Dec	British Airways
02 Dec - 10 Dec	EgyptAir
02 Dec - 12 Dec	British Airways
01 Dec - 10 Dec	British Airways
01 Dec - 06 Dec	Oman Air	direct
25 Dec - 08 Jan	Saudia
25 Dec - 11 Jan	Saudia
12 Dec - 10 Jan	British Airways
27 Dec - 10 Jan	Saudia
21 Dec - 06 Jan	Saudia
29 Dec - 05 Jan	Saudia
27 Dec - 02 Jan	Saudia
25 Dec - 01 Jan	Saudia
27 Dec - 03 Jan	Saudia
25 Dec - 03 Jan	Saudia

Also check the deals for one-way flights from London 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 London to Muscat in December from $457

Return flights