Cheapest return flights from Istanbul to Sofia in August from $97

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

Return flights

27 Aug - 03 Sep Pegasus Airlines direct
31 Aug - 04 Sep Pegasus Airlines direct
31 Aug - 03 Sep Pegasus Airlines direct
26 Aug - 27 Aug Pegasus Airlines direct
21 Aug - 26 Aug Pegasus Airlines direct
29 Aug - 02 Sep Pegasus Airlines direct
27 Aug - 28 Aug Pegasus Airlines direct
28 Aug - 29 Aug Pegasus Airlines direct
24 Aug - 28 Aug Pegasus Airlines direct
24 Aug - 26 Aug Pegasus Airlines direct
30 Aug - 02 Sep Pegasus Airlines direct
30 Aug - 06 Sep Pegasus Airlines direct
26 Aug - 29 Aug Pegasus Airlines direct
24 Aug - 31 Aug Pegasus Airlines direct
23 Aug - 27 Aug Pegasus Airlines direct
24 Aug - 27 Aug Pegasus Airlines direct
27 Aug - 05 Sep Pegasus Airlines direct
25 Aug - 01 Sep Pegasus Airlines
25 Aug - 01 Sep Pegasus Airlines direct
31 Aug - 14 Sep 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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