Cheapest return flights from Sofia to Istanbul in April from 83€

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

Return flights

01 Apr - 07 Apr Pegasus Airlines direct
01 Apr - 08 Apr Pegasus Airlines direct
02 Apr - 07 Apr Pegasus Airlines direct
03 Apr - 06 Apr Pegasus Airlines direct
04 Apr - 08 Apr Pegasus Airlines direct
24 Apr - 26 Apr Pegasus Airlines direct
25 Apr - 29 Apr Pegasus Airlines direct
03 Apr - 13 Apr Pegasus Airlines direct
26 Apr - 30 Apr Pegasus Airlines direct
15 Apr - 30 Apr SKY express

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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