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

21 Dec Pegasus Airlines direct
14 Dec Pegasus Airlines direct
13 Dec Pegasus Airlines direct
25 Dec Pegasus Airlines direct
28 Dec Pegasus Airlines direct
22 Dec Pegasus Airlines direct
15 Dec Pegasus Airlines direct
27 Dec Pegasus Airlines direct
29 Dec Pegasus Airlines direct
02 Dec Pegasus Airlines direct

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

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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