AirHint found the following cheapest return flights from Cologne (CGN) to Zurich (ZRH) in May 2026 (see full year).
Return flights
| 06 May - 10 May | Eurowings | direct | |
| 28 May - 02 Jun | Eurowings | direct | |
| 11 May - 17 May | Eurowings | direct | |
| 01 May - 03 May | Eurowings | direct |
Also check the deals for one-way flights from Cologne to Zurich in May.
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