Cheapest one-way flights from Athens to Sofia in September from $50

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

One-Way flights

10 Sep Wizz Air
25 Sep SKY express direct
29 Sep Aegean Airlines direct
19 Sep Aegean Airlines direct
12 Sep Wizz Air
26 Sep Aegean Airlines direct
17 Sep Ryanair
24 Sep easyJet
30 Sep Ryanair
04 Sep SKY express direct

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

Book a cheap hotel in Sofia

Cheap car rent in Sofia

Feel free to contact us with any feedback or request another flight research.