AirHint found the following cheapest return flights from Athens (ATH) to Riyadh (RUH) in September 2025 (see full year).

Return flights

15 Sep - 22 Sep	SKY express
15 Sep - 17 Sep	SKY express
11 Sep - 28 Sep	Pegasus Airlines
26 Sep - 29 Sep	SKY express
27 Sep - 29 Sep	SKY express
17 Sep - 21 Sep	SKY express
02 Sep - 07 Sep	SKY express
18 Sep - 24 Sep	Aegean Airlines
03 Sep - 10 Sep	SKY express
04 Sep - 10 Sep	Pegasus Airlines
30 Sep - 31 Oct	Aegean Airlines
29 Sep - 01 Oct	Aegean Airlines
29 Sep - 30 Oct	Aegean Airlines
30 Sep - 31 Oct	Aegean Airlines	direct
29 Sep - 01 Oct	Saudia	direct

Also check the deals for one-way flights from Athens 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 Athens to Riyadh in September from $206

Return flights