Cheapest one-way flights from Istanbul to Sofia in September from 50€

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

AirHint found the following cheapest one-way flights from Istanbul (IST) to Sofia (SOF) in September 2025 (see full year).

One-Way flights

05 Sep Pegasus Airlines direct
29 Sep Pegasus Airlines direct
01 Sep Pegasus Airlines direct
07 Sep SKY express
06 Sep Wizz Air
24 Sep Wizz Air
08 Sep Pegasus Airlines direct
24 Sep Pegasus Airlines direct
15 Sep Pegasus Airlines direct
06 Sep Turkish Airlines direct

Also check the deals for return flights from Istanbul to Sofia in September.

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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