Cheapest return flights from Istanbul to Sofia in December from 79€

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

Return flights

09 Dec - 11 Dec Pegasus Airlines direct
03 Dec - 04 Dec Pegasus Airlines direct
08 Dec - 12 Dec Pegasus Airlines direct
08 Dec - 11 Dec Pegasus Airlines direct
11 Dec - 15 Dec Pegasus Airlines direct
08 Dec - 10 Dec Pegasus Airlines direct
04 Dec - 06 Dec Pegasus Airlines direct
15 Dec - 17 Dec Pegasus Airlines direct
11 Dec - 14 Dec Pegasus Airlines direct
15 Dec - 16 Dec Pegasus Airlines direct
22 Dec - 04 Jan Pegasus Airlines direct
29 Dec - 05 Jan Pegasus Airlines direct
31 Dec - 05 Jan Pegasus Airlines direct
27 Dec - 03 Jan Pegasus Airlines direct
27 Dec - 02 Jan Pegasus Airlines direct
30 Dec - 06 Jan Pegasus Airlines direct
30 Dec - 03 Jan Pegasus Airlines direct
30 Dec - 01 Jan Pegasus Airlines direct
19 Dec - 04 Jan SKY express
26 Dec - 11 Jan SKY express

Also check the deals for one-way flights from Istanbul to Sofia in December.

Powered by

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.

Book a cheap hotel in Sofia

Cheap car rent in Sofia

Feel free to contact us with any feedback or request another flight research.