Cheapest return flights from Istanbul to Sofia in June from $109

AirHint found the following cheapest return flights from Istanbul (IST) to Sofia (SOF) in June 2026 (see full year).

Return flights

23 Jun - 27 Jun Pegasus Airlines direct
13 Jun - 14 Jun Pegasus Airlines direct
10 Jun - 15 Jun Turkish Airlines direct
21 Jun - 04 Jul Pegasus Airlines
21 Jun - 04 Jul Pegasus Airlines direct
12 Jun - 21 Jun SKY express
05 Jun - 21 Jun SKY express
14 Jun - 21 Jun SKY express
14 Jun - 05 Jul SKY express
21 Jun - 10 Jul SKY express
21 Jun - 05 Jul SKY express

Also check the deals for one-way flights from Istanbul to Sofia in June.

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