Cheapest return flights from Istanbul to Sofia in December from 76€

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

Return flights

29 Dec - 03 Jan Pegasus Airlines
12 Dec - 19 Dec Pegasus Airlines direct
30 Dec - 04 Jan Pegasus Airlines direct
02 Dec - 13 Dec Pegasus Airlines direct
06 Dec - 13 Dec Pegasus Airlines direct
29 Dec - 30 Dec Pegasus Airlines direct
27 Dec - 30 Dec Pegasus Airlines direct
28 Dec - 30 Dec Pegasus Airlines direct
18 Dec - 21 Dec Pegasus Airlines direct
20 Dec - 21 Dec Pegasus Airlines direct
28 Dec - 29 Dec Pegasus Airlines direct
04 Dec - 07 Dec Pegasus Airlines direct
29 Dec - 05 Jan Pegasus Airlines
31 Dec - 02 Jan Pegasus Airlines

Also check the deals for one-way 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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