Cheapest return ATH–BEG flights, September

AirHint found the following cheapest return flights from Athens (ATH) to Belgrade (BEG) in September 2026 (see full year).

Return flights

16 Sep - 19 Sep Aegean Airlines direct
11 Sep - 15 Sep Aegean Airlines direct
26 Sep - 30 Sep Aegean Airlines direct
18 Sep - 21 Sep Aegean Airlines direct
28 Sep - 02 Oct Aegean Airlines direct
11 Sep - 14 Sep Aegean Airlines direct
08 Sep - 11 Sep Aegean Airlines direct
07 Sep - 12 Sep Aegean Airlines direct
05 Sep - 08 Sep Aegean Airlines direct
05 Sep - 12 Sep Aegean Airlines direct
30 Sep - 04 Oct Ryanair
07 Sep - 14 Sep Aegean Airlines direct
30 Sep - 04 Oct Air Serbia direct

Also check the deals for one-way flights from Athens to Belgrade in September.

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