Cheapest return flights from Athens to Sofia in May from $91

AirHint found the following cheapest return flights from Athens (ATH) to Sofia (SOF) in May 2026 (see full year).

Return flights

07 May - 14 May SKY express direct
03 May - 04 May SKY express direct
03 May - 14 May SKY express direct
07 May - 10 May SKY express direct
07 May - 15 May SKY express direct
07 May - 11 May SKY express direct
03 May - 11 May SKY express direct
01 May - 03 May SKY express direct
07 May - 22 May SKY express direct
03 May - 06 May SKY express direct
31 May - 15 Jun SKY express direct
30 May - 07 Jun Air Serbia
30 May - 07 Jun Aegean Airlines direct

Also check the deals for one-way flights from Athens to Sofia in May.

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