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

Return flights

26 Aug - 02 Sep	Iberia Express
26 Aug - 29 Aug	Iberia Express
14 Aug - 16 Aug	Iberia
13 Aug - 16 Aug	LOT
18 Aug - 23 Aug	Wizz Air
13 Aug - 24 Aug	KLM
10 Aug - 17 Aug	Iberia
09 Aug - 31 Aug	KLM
09 Aug - 30 Aug	Ryanair
09 Aug - 29 Aug	Ryanair

Also check the deals for one-way flights from Madrid 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 Madrid to Billund in August from $262

Return flights