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

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

Return flights

09 Apr - 16 Apr Pegasus Airlines direct
04 Apr - 06 Apr Pegasus Airlines direct
10 Apr - 12 Apr Pegasus Airlines direct
10 Apr - 17 Apr Pegasus Airlines direct
15 Apr - 22 Apr AJet
18 Apr - 25 Apr Pegasus Airlines
18 Apr - 25 Apr Turkish Airlines direct
23 Apr - 26 Apr Turkish Airlines direct
15 Apr - 22 Apr Turkish Airlines direct
12 Apr - 19 Apr Pegasus Airlines direct
28 Apr - 02 May Pegasus Airlines direct
12 Apr - 03 May SKY express
26 Apr - 17 May SKY express
26 Apr - 10 May SKY express
26 Apr - 03 May SKY express
24 Apr - 10 May SKY express
24 Apr - 03 May SKY express
26 Apr - 08 May SKY express
24 Apr - 08 May SKY express
19 Apr - 10 May SKY express

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

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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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