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

Return flights

21 Aug - 25 Aug	Lufthansa
29 Aug - 31 Aug	KLM
11 Aug - 15 Aug	KLM
08 Aug - 11 Aug	KLM
06 Aug - 10 Sep	KLM
14 Aug - 17 Aug	Lufthansa
18 Aug - 19 Aug	Lufthansa
09 Aug - 12 Aug	KLM
09 Aug - 11 Aug	KLM
04 Aug - 08 Aug	KLM
08 Aug - 17 Aug	KLM

Also check the deals for one-way flights from Brussels to Billund 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 Brussels to Billund in August from 177€

Return flights