AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Zurich (ZRH) in September 2025 (see full year).

Return flights

13 Sep - 26 Sep	Air Canada
02 Sep - 09 Sep	United
09 Sep - 16 Sep	Delta
23 Sep - 30 Sep	United
17 Sep - 24 Sep	United
05 Sep - 12 Sep	United
08 Sep - 15 Sep	United
13 Sep - 28 Sep	Air Canada
13 Sep - 29 Sep	Air Canada
26 Sep - 03 Oct	United
29 Sep - 06 Oct	United
14 Sep - 21 Sep	United
19 Sep - 03 Oct	Delta

Also check the deals for one-way flights from Dallas-Fort Worth 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 Dallas-Fort Worth to Zurich in September from 449€

Return flights