AirHint found the following cheapest return flights from Denver (DEN) to Zurich (ZRH) in May 2026 (see full year).
Return flights
| 08 May - 15 May | Icelandair | ||
| 18 May - 25 May | Icelandair | ||
| 28 May - 04 Jun | Icelandair | ||
| 23 May - 30 May | Alaska Airlines |
Also check the deals for one-way flights from Denver to Zurich in May.
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