Cheapest one-way flights from Istanbul to Sofia in December from 38€

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

One-Way flights

22 Dec Pegasus Airlines direct
28 Dec Pegasus Airlines direct
11 Dec Pegasus Airlines direct
26 Dec Pegasus Airlines direct
21 Dec Pegasus Airlines direct
15 Dec Pegasus Airlines direct
03 Dec Pegasus Airlines direct
04 Dec Pegasus Airlines direct
17 Dec Pegasus Airlines direct
09 Dec Pegasus Airlines direct

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

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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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