Cheapest one-way flights from Istanbul to Sofia in April from 51€

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

One-Way flights

03 Apr Pegasus Airlines direct
24 Apr Pegasus Airlines direct
20 Apr Pegasus Airlines direct
21 Apr Pegasus Airlines direct
07 Apr Pegasus Airlines direct
05 Apr Pegasus Airlines direct
22 Apr Pegasus Airlines direct
23 Apr Pegasus Airlines direct
30 Apr Pegasus Airlines direct
29 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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