Cheapest return flights from Istanbul to Sofia in January from 81€

AirHint found the following cheapest return flights from Istanbul (IST) to Sofia (SOF) in January 2026 (see full year).

Return flights

08 Jan - 15 Jan Pegasus Airlines direct
14 Jan - 21 Jan Pegasus Airlines direct
12 Jan - 16 Jan Pegasus Airlines direct
08 Jan - 11 Jan Pegasus Airlines direct
19 Jan - 26 Jan Pegasus Airlines direct
09 Jan - 16 Jan Pegasus Airlines direct
11 Jan - 18 Jan Pegasus Airlines direct
12 Jan - 19 Jan Pegasus Airlines direct
15 Jan - 18 Jan Pegasus Airlines direct
12 Jan - 21 Jan Pegasus Airlines direct
14 Jan - 12 Feb Pegasus Airlines direct
26 Jan - 13 Feb Turkish Airlines direct
30 Jan - 02 Feb Turkish Airlines direct
29 Jan - 01 Feb Turkish Airlines
30 Jan - 15 Feb SKY express
30 Jan - 06 Feb SKY express
30 Jan - 13 Feb SKY express
23 Jan - 06 Feb SKY express
18 Jan - 06 Feb SKY express
25 Jan - 15 Feb SKY express

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

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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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