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

Return flights

11 Sep - 22 Sep	British Airways
22 Sep - 29 Sep	British Airways
01 Sep - 24 Sep	British Airways
15 Sep - 22 Sep	Eurowings
01 Sep - 10 Sep	British Airways
07 Sep - 15 Sep	British Airways
10 Sep - 22 Sep	British Airways
09 Sep - 23 Sep	Eurowings
02 Sep - 10 Sep	Eurowings
02 Sep - 16 Sep	Eurowings
24 Sep - 01 Oct	Eurowings
18 Sep - 02 Oct	British Airways
29 Sep - 06 Oct	Etihad Airways
28 Sep - 11 Oct	SWISS
23 Sep - 02 Oct	Etihad Airways
28 Sep - 09 Oct	SWISS
24 Sep - 24 Oct	British Airways
27 Sep - 06 Oct	Etihad Airways
03 Sep - 24 Oct	Etihad Airways
26 Sep - 03 Oct	Etihad Airways

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 $448

Return flights