Cheapest one-way flights from Istanbul to Sofia in April from 37€

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

One-Way flights

11 Apr Pegasus Airlines direct
21 Apr Pegasus Airlines direct
18 Apr Pegasus Airlines direct
04 Apr Pegasus Airlines direct
14 Apr Pegasus Airlines direct
24 Apr Pegasus Airlines direct
01 Apr Pegasus Airlines direct
03 Apr Pegasus Airlines direct
02 Apr Pegasus Airlines direct
17 Apr Pegasus Airlines direct

Also check the deals for return 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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