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

Return flights

05 Sep - 12 Sep	Aegean Airlines
12 Sep - 19 Sep	Pegasus Airlines
02 Sep - 13 Sep	flyadeal
19 Sep - 27 Sep	Pegasus Airlines
25 Sep - 28 Sep	Pegasus Airlines
06 Sep - 16 Sep	Aegean Airlines	direct
02 Sep - 09 Sep	Aegean Airlines	direct
19 Sep - 22 Sep	Pegasus Airlines
10 Sep - 13 Sep	Pegasus Airlines
03 Sep - 06 Sep	Pegasus Airlines
26 Sep - 04 Oct	Aegean Airlines	direct

Also check the deals for one-way flights from Riyadh to Athens 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 Riyadh to Athens in September from $298

Return flights