Cheapest one-way flights from Sofia to Athens in September from $64

Best time to book flights for Sofia (SOF) to Athens (ATH) flights at AirHint

AirHint found the following cheapest one-way flights from Sofia (SOF) to Athens (ATH) in September 2025 (see full year).

One-Way flights

03 Sep SKY express direct
18 Sep SKY express direct
09 Sep Aegean Airlines direct
20 Sep Air Serbia
06 Sep Air Serbia
27 Sep Air Serbia
29 Sep Air Serbia
16 Sep Air Serbia
13 Sep Air Serbia
26 Sep Air Serbia

Also check the deals for return flights from Sofia to Athens in September.

Skyscanner

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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