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

Return flights

01 Dec - 07 Dec	SWISS
03 Dec - 08 Dec	SWISS
09 Dec - 16 Dec	KLM
02 Dec - 09 Dec	KLM
04 Dec - 10 Dec	KLM
04 Dec - 09 Dec	KLM
04 Dec - 14 Dec	KLM
11 Dec - 15 Dec	KLM
05 Dec - 14 Dec	SWISS
05 Dec - 16 Dec	SWISS
11 Dec - 06 Jan	KLM
10 Dec - 11 Jan	Air Dolomiti
26 Dec - 01 Jan	KLM
22 Dec - 06 Jan	KLM
26 Dec - 11 Jan	KLM
30 Dec - 09 Jan	British Airways
15 Dec - 15 Jan	SWISS
29 Dec - 06 Jan	SWISS
26 Dec - 07 Jan	Lufthansa
31 Dec - 08 Jan	SWISS

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.

Book a cheap hotel in Muscat

Cheap car rent in Muscat

Cheapest return flights from London to Muscat in December from 427€

Return flights