Cheapest return flights from Istanbul to Sofia in August from $100

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

Return flights

01 Aug - 07 Aug Pegasus Airlines direct
06 Aug - 07 Aug Pegasus Airlines direct
16 Aug - 24 Aug Pegasus Airlines direct
14 Aug - 21 Aug Pegasus Airlines direct
14 Aug - 23 Aug Pegasus Airlines direct
05 Aug - 07 Aug Pegasus Airlines direct
22 Aug - 24 Aug Pegasus Airlines direct
24 Aug - 31 Aug Pegasus Airlines direct
01 Aug - 04 Aug Pegasus Airlines direct
08 Aug - 10 Aug Pegasus Airlines direct
29 Aug - 01 Sep Pegasus Airlines direct
29 Aug - 05 Sep Pegasus Airlines direct
23 Aug - 08 Sep Pegasus Airlines direct
05 Aug - 04 Sep Pegasus Airlines direct
28 Aug - 04 Sep Pegasus Airlines direct

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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