Cheapest return flights from Istanbul to Sofia in March from $123

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

Return flights

21 Mar - 27 Mar Pegasus Airlines direct
28 Mar - 11 Apr Turkish Airlines direct
17 Mar - 24 Mar Turkish Airlines direct
16 Mar - 17 Mar Turkish Airlines direct
18 Mar - 22 Mar Pegasus Airlines direct
17 Mar - 22 Mar Pegasus Airlines direct
08 Mar - 20 Mar SKY express
08 Mar - 22 Mar SKY express
08 Mar - 27 Mar SKY express

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

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