Cheapest return flights from Skiathos to Sofia in September from $89

Best time to book flights for Skiathos (JSI) to Sofia (SOF) flights at AirHint

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

Return flights

17 Sep - 20 Sep Ryanair direct
13 Sep - 20 Sep Ryanair direct
06 Sep - 10 Sep Ryanair direct
10 Sep - 13 Sep Ryanair direct
10 Sep - 20 Sep Ryanair direct
06 Sep - 13 Sep Ryanair direct
06 Sep - 20 Sep Ryanair direct
19 Sep - 20 Sep SKY express

Also check the deals for one-way flights from Skiathos 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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