AirHint found the following cheapest return flights from London (LHR) to Riyadh (RUH) in August 2025 (see full year).

Return flights

26 Aug - 10 Sep	Eurowings
18 Aug - 15 Sep	Air France
25 Aug - 04 Sep	KLM
25 Aug - 29 Aug	Eurowings
19 Aug - 04 Sep	Air France
24 Aug - 30 Aug	Brussels Airlines
19 Aug - 28 Aug	SWISS
25 Aug - 31 Aug	Eurowings
27 Aug - 03 Sep	Aegean Airlines
14 Aug - 21 Aug	Eurowings
12 Aug - 19 Aug	SWISS
11 Aug - 16 Aug	Eurowings
07 Aug - 21 Aug	British Airways
26 Aug - 04 Sep	SWISS
17 Aug - 23 Aug	Air France
22 Aug - 25 Aug	Air France
30 Aug - 06 Sep	KLM
16 Aug - 20 Sep	British Airways
04 Aug - 02 Sep	Eurowings
27 Aug - 02 Sep	KLM

Also check the deals for one-way flights from London to Riyadh in August.

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 August from $481

Return flights