AirHint found the following cheapest return flights from Kansas City (MCI) to Zurich (ZRH) in September 2025 (see full year).

Return flights

09 Sep - 16 Sep	United
10 Sep - 17 Sep	United
04 Sep - 11 Sep	United
05 Sep - 12 Sep	United
11 Sep - 18 Sep	United
24 Sep - 01 Oct	United
30 Sep - 07 Oct	United
23 Sep - 30 Sep	United
08 Sep - 15 Sep	United
06 Sep - 13 Sep	United
17 Sep - 24 Sep	United
13 Sep - 20 Sep	United
26 Sep - 03 Oct	United
25 Sep - 02 Oct	United
29 Sep - 06 Oct	United
28 Sep - 05 Oct	United
27 Sep - 04 Oct	United

Also check the deals for one-way flights from Kansas City to Zurich in September.

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 Kansas City to Zurich in September from 576€

Return flights