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

Return flights

30 Jul - 06 Aug	Eurowings	direct
20 Jul - 27 Jul	Eurowings	direct
24 Jul - 27 Jul	Eurowings	direct
22 Jul - 25 Jul	Eurowings	direct
19 Jul - 20 Jul	Eurowings	direct
17 Jul - 20 Jul	Eurowings	direct
05 Jul - 06 Jul	Eurowings	direct
25 Jul - 27 Jul	Eurowings	direct
18 Jul - 20 Jul	Eurowings	direct
17 Jul - 21 Jul	Eurowings	direct
20 Jul - 30 Jul	Eurowings	direct
27 Jul - 06 Aug	Eurowings	direct

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

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 July from $148

Return flights