AirHint found the following cheapest return flights from Cologne (CGN) to Zurich (ZRH) in June 2025 (see full year).

Return flights

14 Jun - 22 Jun	Eurowings	direct
21 Jun - 22 Jun	Eurowings	direct
20 Jun - 22 Jun	Eurowings	direct
19 Jun - 21 Jun	Eurowings	direct
19 Jun - 22 Jun	Eurowings	direct
28 Jun - 30 Jun	Eurowings	direct
28 Jun - 29 Jun	Eurowings	direct
20 Jun - 28 Jun	Eurowings	direct
21 Jun - 23 Jun	Eurowings	direct
14 Jun - 15 Jun	Eurowings	direct
28 Jun - 05 Jul	Eurowings	direct

Also check the deals for one-way flights from Cologne to Zurich in June.

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 Zurich in June from $110

Return flights