AirHint found the following cheapest return flights from London (LHR) to Riyadh (RUH) in September 2026 (see full year).

Return flights

14 Sep - 27 Sep	LOT
09 Sep - 20 Sep	LOT
07 Sep - 14 Sep	Aegean Airlines
25 Sep - 27 Sep	LOT
09 Sep - 16 Sep	LOT
08 Sep - 15 Sep	British Airways
10 Sep - 17 Sep	British Airways
10 Sep - 13 Sep	British Airways
01 Sep - 14 Sep	ITA Airways
01 Sep - 15 Sep	ITA Airways
16 Sep - 01 Oct	Turkish Airlines
16 Sep - 01 Oct	British Airways	direct

Also check the deals for one-way flights from London to Riyadh 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 Riyadh in September from 407€

Return flights