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

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

Return flights

09 Apr - 16 Apr Pegasus Airlines direct
10 Apr - 12 Apr Pegasus Airlines direct
05 Apr - 08 Apr Pegasus Airlines direct
06 Apr - 13 Apr Pegasus Airlines direct
05 Apr - 09 Apr Pegasus Airlines direct
11 Apr - 25 Apr Pegasus Airlines direct
06 Apr - 09 Apr Pegasus Airlines direct
23 Apr - 26 Apr Turkish Airlines direct
23 Apr - 23 Apr Turkish Airlines direct
20 Apr - 27 Apr Turkish Airlines direct
30 Apr - 03 May Turkish Airlines direct
18 Apr - 02 May Air Serbia
18 Apr - 02 May Turkish Airlines direct
19 Apr - 01 May SKY express
19 Apr - 10 May SKY express
19 Apr - 08 May SKY express

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

Powered by

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.

Book a cheap hotel in Sofia

Cheap car rent in Sofia

Feel free to contact us with any feedback or request another flight research.