Cheapest return flights from Sofia to Istanbul in April from $120

Best time to book flights for Sofia (SOF) to Istanbul (SAW) flights at AirHint

AirHint found the following cheapest return flights from Sofia (SOF) to Istanbul (SAW) in April 2025 (see full year).

Return flights

14 Apr - 18 Apr Pegasus Airlines direct
09 Apr - 14 Apr Pegasus Airlines direct
16 Apr - 25 Apr Pegasus Airlines direct
16 Apr - 18 Apr Pegasus Airlines direct
25 Apr - 30 Apr Pegasus Airlines direct
25 Apr - 02 May Pegasus Airlines direct
21 Apr - 25 Apr Pegasus Airlines direct
11 Apr - 14 Apr Pegasus Airlines direct
18 Apr - 25 Apr Pegasus Airlines direct
07 Apr - 09 Apr Pegasus Airlines direct
18 Apr - 21 Apr Pegasus Airlines direct
30 Apr - 10 May Pegasus Airlines
27 Apr - 02 May Ryanair

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