Cheapest return flights from Sofia to Istanbul in December from $97

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

Return flights

12 Dec - 15 Dec Pegasus Airlines direct
05 Dec - 07 Dec Pegasus Airlines direct
19 Dec - 26 Dec Pegasus Airlines direct
27 Dec - 30 Dec Pegasus Airlines direct
25 Dec - 02 Jan Pegasus Airlines direct
04 Dec - 08 Dec Pegasus Airlines direct
23 Dec - 28 Dec Pegasus Airlines direct
19 Dec - 28 Dec Pegasus Airlines direct
25 Dec - 28 Dec Pegasus Airlines direct
30 Dec - 02 Jan Pegasus Airlines direct
19 Dec - 03 Jan Pegasus Airlines direct
27 Dec - 11 Jan Pegasus Airlines direct
22 Dec - 25 Dec Pegasus Airlines direct
27 Dec - 10 Jan Pegasus Airlines direct
26 Dec - 29 Dec Pegasus Airlines direct
28 Dec - 05 Jan Pegasus Airlines direct
26 Dec - 10 Jan Pegasus Airlines direct
26 Dec - 03 Jan Pegasus Airlines direct
31 Dec - 03 Jan Wizz Air
22 Dec - 04 Jan Pegasus Airlines

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