Cheapest return flights from Sofia to Istanbul in April from $94

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

Return flights

03 Apr - 07 Apr Pegasus Airlines direct
03 Apr - 08 Apr Pegasus Airlines direct
29 Apr - 04 May Pegasus Airlines direct
09 Apr - 12 Apr Pegasus Airlines direct
04 Apr - 10 Apr Pegasus Airlines direct
04 Apr - 11 Apr Pegasus Airlines direct
03 Apr - 06 Apr Pegasus Airlines direct
03 Apr - 14 Apr Pegasus Airlines direct
18 Apr - 24 Apr Pegasus Airlines direct
12 Apr - 15 Apr Pegasus Airlines direct
10 Apr - 12 Apr Pegasus Airlines direct
30 Apr - 04 May Ryanair
30 Apr - 04 May Pegasus Airlines direct

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

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