Cheapest return flights from Athens (ATH) to Sofia (SOF), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
18 Sep 28 Sep SKY express
Direct Flight
17 Sep 28 Sep SKY express
Direct Flight
21 Sep 28 Sep SKY express
Direct Flight
24 Sep 28 Sep SKY express
Direct Flight
14 Sep 28 Sep SKY express
Direct Flight
18 Sep 21 Sep SKY express
Direct Flight
18 Sep 30 Sep SKY express
Direct Flight
17 Sep 21 Sep SKY express
Direct Flight
17 Sep 30 Sep SKY express
Direct Flight
03 Sep 21 Sep SKY express
Direct Flight
18 Sep 04 Oct SKY express
Direct Flight
17 Sep 04 Oct SKY express
Direct Flight
21 Sep 11 Oct SKY express
Direct Flight
21 Sep 04 Oct SKY express
Direct Flight
24 Sep 14 Oct SKY express
Direct Flight
24 Sep 11 Oct SKY express
Direct Flight
24 Sep 04 Oct SKY express
Direct Flight
14 Sep 04 Oct SKY express
Direct Flight
18 Sep 02 Oct SKY express
Direct Flight
17 Sep 02 Oct SKY express
Direct Flight
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deals for one-way flights from Athens to Sofia in September.

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Updated Jun 7, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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