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

Return flights

21 Aug - 26 Aug	KLM
30 Aug - 02 Sep	KLM
30 Aug - 03 Sep	KLM
30 Aug - 08 Sep	KLM
30 Aug - 07 Sep	KLM
31 Aug - 08 Sep	KLM
28 Aug - 02 Sep	KLM
14 Aug - 18 Aug	Air France
14 Aug - 17 Aug	KLM
11 Aug - 18 Aug	KLM
12 Aug - 15 Aug	KLM
08 Aug - 15 Aug	KLM
11 Aug - 15 Aug	KLM
28 Aug - 08 Sep	Scandinavian Airlines
29 Aug - 08 Sep	Scandinavian Airlines
07 Aug - 11 Aug	KLM
13 Aug - 16 Aug	KLM
04 Aug - 11 Aug	KLM

Also check the deals for one-way flights from Billund 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 Billund to Zurich in August from $244

Return flights