Cheapest return flights from Sofia to Istanbul in April from $96

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

Return flights

06 Apr - 09 Apr Pegasus Airlines direct
10 Apr - 14 Apr Pegasus Airlines direct
03 Apr - 12 Apr Pegasus Airlines direct
17 Apr - 20 Apr Pegasus Airlines direct
30 Apr - 04 May Pegasus Airlines direct
15 Apr - 22 Apr Pegasus Airlines direct
17 Apr - 19 Apr Pegasus Airlines direct
30 Apr - 03 May Pegasus Airlines direct
08 Apr - 13 Apr Pegasus Airlines direct

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

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