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

Return flights

08 Apr - 17 Apr	Aegean Airlines
02 Apr - 07 Apr	Aegean Airlines
17 Apr - 20 Apr	Aegean Airlines
17 Apr - 20 Apr	Turkish Airlines	direct
16 Apr - 21 Apr	Lufthansa
01 Apr - 05 May	Aegean Airlines
16 Apr - 21 Apr	Turkish Airlines	direct
08 Apr - 17 Apr	Turkish Airlines	direct
01 Apr - 05 May	Turkish Airlines	direct
02 Apr - 07 Apr	Turkish Airlines	direct

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 192€

Return flights