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

Return flights

13 Sep - 20 Sep	Aegean Airlines	direct
05 Sep - 07 Sep	Pegasus Airlines
09 Sep - 16 Sep	Aegean Airlines	direct
26 Sep - 29 Sep	Pegasus Airlines
26 Sep - 29 Sep	MEA	direct
20 Sep - 30 Sep	Turkish Airlines
21 Sep - 28 Sep	Turkish Airlines
10 Sep - 25 Sep	Turkish Airlines
09 Sep - 24 Sep	Turkish Airlines
09 Sep - 23 Sep	Pegasus Airlines

Also check the deals for one-way flights from Athens to Beirut 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 Beirut in September from 217€

Return flights