AirHint found the following cheapest return flights from Houston (IAH) to Zurich (ZRH) in October 2025 (see full year).
Return flights
| 28 Oct - 13 Nov | Lufthansa | ||
| 27 Oct - 10 Nov | Air France | ||
| 30 Oct - 06 Nov | United |
Also check the deals for one-way flights from Houston to Zurich in October.
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