AirHint found the following cheapest return flights from St. Louis (STL) to Zurich (ZRH) in March 2026 (see full year).
Return flights
| 09 Mar - 16 Mar | Air Canada | ||
| 16 Mar - 25 Mar | Air Canada | ||
| 16 Mar - 24 Mar | Air Canada | ||
| 07 Mar - 15 Mar | British Airways | ||
| 14 Mar - 23 Mar | Air Canada | ||
| 20 Mar - 28 Mar | Air Canada |
Also check the deals for one-way flights from St. Louis to Zurich in March.
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