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

Return flights

08 Apr - 15 Apr	Eurowings	direct
04 Apr - 07 Apr	Eurowings	direct
09 Apr - 13 Apr	Eurowings	direct
06 Apr - 09 Apr	Eurowings	direct
07 Apr - 10 Apr	Eurowings	direct
08 Apr - 11 Apr	Eurowings	direct
01 Apr - 04 Apr	Eurowings	direct
10 Apr - 12 Apr	Austrian Airlines
24 Apr - 26 Apr	Austrian Airlines
24 Apr - 26 Apr	Austrian Airlines	direct

Also check the deals for one-way flights from Cologne 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 Cologne to Vienna in April from 102€

Return flights