Cheapest return flights from Sofia to Istanbul in December from 140€

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

Return flights

31 Dec - 06 Jan Pegasus Airlines direct
31 Dec - 07 Jan Pegasus Airlines
27 Dec - 28 Dec Pegasus Airlines direct
28 Dec - 01 Jan SunExpress
31 Dec - 02 Jan Pegasus Airlines
29 Dec - 01 Jan Pegasus Airlines direct
30 Dec - 01 Jan Ryanair
27 Dec - 29 Dec Pegasus Airlines direct
31 Dec - 07 Jan Pegasus Airlines direct
29 Dec - 30 Dec Wizz Air
30 Dec - 01 Jan Pegasus Airlines direct
28 Dec - 31 Dec Ryanair
28 Dec - 02 Jan SunExpress
28 Dec - 01 Jan Pegasus Airlines direct
30 Dec - 31 Dec Ryanair
29 Dec - 31 Dec Wizz Air
29 Dec - 30 Dec Pegasus Airlines direct
29 Dec - 31 Dec Pegasus Airlines direct
28 Dec - 31 Dec Pegasus Airlines direct
27 Dec - 31 Dec Pegasus Airlines direct

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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