AirHint found the following cheapest return flights from Dallas (DAL) to Zurich (ZRH) in August 2025 (see full year).

Return flights

12 Aug - 19 Aug	Delta
11 Aug - 26 Aug	Delta
19 Aug - 26 Aug	Delta
18 Aug - 26 Aug	KLM
18 Aug - 25 Aug	KLM
16 Aug - 23 Aug	Delta
17 Aug - 25 Aug	KLM
17 Aug - 24 Aug	KLM
15 Aug - 22 Aug	KLM
15 Aug - 17 Aug	KLM

Also check the deals for one-way flights from Dallas to Zurich in August.

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 to Zurich in August from $527

Return flights