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

Return flights

25 Sep - 29 Sep	SWISS
18 Sep - 22 Sep	SWISS
16 Sep - 26 Sep	Lufthansa
25 Sep - 03 Oct	SWISS
19 Sep - 22 Sep	ITA Airways
15 Sep - 30 Sep	ITA Airways
11 Sep - 23 Sep	ITA Airways
17 Sep - 22 Sep	SWISS
29 Sep - 03 Oct	ITA Airways
17 Sep - 24 Sep	SWISS
11 Sep - 17 Sep	SWISS
17 Sep - 19 Sep	ITA Airways
30 Sep - 05 Oct	KLM
27 Sep - 02 Oct	KLM
25 Sep - 05 Oct	ITA Airways
28 Sep - 05 Oct	KLM
19 Sep - 10 Oct	KLM
27 Sep - 05 Oct	KLM
26 Sep - 02 Oct	SWISS
29 Sep - 06 Oct	SWISS

Also check the deals for one-way flights from London to Muscat in September.

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 September from $648

Return flights