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

Return flights

17 Apr - 25 Apr	Aegean Airlines
18 Apr - 25 Apr	Aegean Airlines
19 Apr - 25 Apr	Aegean Airlines
02 Apr - 05 Apr	Aegean Airlines
01 Apr - 05 Apr	Aegean Airlines
06 Apr - 12 Apr	Aegean Airlines
13 Apr - 21 Apr	Aegean Airlines
19 Apr - 25 Apr	Turkish Airlines	direct
17 Apr - 25 Apr	Turkish Airlines	direct
18 Apr - 25 Apr	Turkish Airlines	direct
23 Apr - 03 May	SKY express
16 Apr - 03 May	SKY express
14 Apr - 03 May	SKY express

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

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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Cheapest return flights from Istanbul to Vienna in April from 191€

Return flights