Cheapest return flights from Istanbul to Sofia in August from 121€

Best time to book flights for Istanbul (IST) to Sofia (SOF) flights at AirHint

AirHint found the following cheapest return flights from Istanbul (IST) to Sofia (SOF) in August 2025 (see full year).

Return flights

04 Aug - 08 Aug Pegasus Airlines direct
15 Aug - 23 Aug Pegasus Airlines
15 Aug - 23 Aug Pegasus Airlines direct
06 Aug - 16 Aug Air Serbia
06 Aug - 16 Aug Pegasus Airlines direct
15 Aug - 31 Aug SKY express
05 Aug - 10 Aug Pegasus Airlines
24 Aug - 31 Aug SKY express
24 Aug - 05 Sep SKY express
24 Aug - 07 Sep SKY express
01 Aug - 08 Aug SKY express

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

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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