AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Zurich (ZRH) in August 2025 (see full year).

Return flights

19 Aug - 26 Aug	SWISS
03 Aug - 19 Aug	Delta
13 Aug - 20 Aug	United
15 Aug - 22 Aug	United
27 Aug - 03 Sep	Icelandair
05 Aug - 12 Aug	United
25 Aug - 01 Sep	Icelandair
21 Aug - 28 Aug	United
07 Aug - 14 Aug	United
23 Aug - 30 Aug	United
09 Aug - 16 Aug	United
11 Aug - 18 Aug	United
29 Aug - 05 Sep	Icelandair
31 Aug - 07 Sep	United

Also check the deals for one-way flights from Raleigh-durham 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 Raleigh-durham to Zurich in August from 381€

Return flights