Cheapest return flights from Athens to Sofia in September from 103€

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

Return flights

09 Sep - 13 Sep Wizz Air
26 Sep - 30 Sep Wizz Air
04 Sep - 24 Sep SKY express direct
18 Sep - 24 Sep SKY express direct
09 Sep - 12 Sep Wizz Air
08 Sep - 15 Sep Wizz Air
19 Sep - 21 Sep Wizz Air
22 Sep - 24 Sep SKY express direct
19 Sep - 24 Sep SKY express direct
04 Sep - 21 Sep SKY express direct
22 Sep - 12 Oct SKY express direct
28 Sep - 12 Oct SKY express direct
18 Sep - 06 Oct SKY express direct
18 Sep - 08 Oct SKY express direct
18 Sep - 03 Oct SKY express direct
25 Sep - 12 Oct SKY express direct
24 Sep - 12 Oct SKY express direct
25 Sep - 02 Oct Ryanair
26 Sep - 12 Oct SKY express direct
27 Sep - 07 Oct Aegean Airlines direct

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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