Cheapest return flights from Athens to Sofia in September from 95€

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

Return flights

18 Sep - 25 Sep SKY express direct
22 Sep - 25 Sep SKY express direct
18 Sep - 06 Oct SKY express direct
18 Sep - 05 Oct SKY express direct
17 Sep - 25 Sep SKY express direct
19 Sep - 25 Sep SKY express direct
29 Sep - 06 Oct SKY express direct
29 Sep - 05 Oct SKY express direct
22 Sep - 06 Oct SKY express direct
22 Sep - 05 Oct SKY express direct
17 Sep - 06 Oct SKY express direct
17 Sep - 05 Oct SKY express direct
21 Sep - 25 Sep SKY express direct
18 Sep - 01 Oct SKY express direct
18 Sep - 02 Oct SKY express direct
19 Sep - 24 Sep Ryanair
18 Sep - 26 Sep SKY express direct
24 Sep - 25 Sep SKY express direct
12 Sep - 25 Sep SKY express direct
18 Sep - 28 Sep SKY express

Also check the deals for one-way 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.

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