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

Return flights

19 Aug - 06 Sep	KLM
29 Aug - 02 Sep	KLM
15 Aug - 18 Aug	Scandinavian Airlines
14 Aug - 19 Aug	Scandinavian Airlines
13 Aug - 14 Aug	Scandinavian Airlines
12 Aug - 12 Aug	Scandinavian Airlines
05 Aug - 15 Aug	KLM
13 Aug - 26 Aug	KLM
20 Aug - 26 Aug	KLM
18 Aug - 26 Aug	KLM
21 Aug - 28 Aug	KLM
12 Aug - 21 Aug	KLM
31 Aug - 07 Sep	KLM
29 Aug - 01 Sep	KLM
29 Aug - 02 Sep	British Airways	direct
29 Aug - 01 Sep	British Airways	direct
19 Aug - 06 Sep	British Airways	direct

Also check the deals for one-way flights from London 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 London to Billund in August from 180€

Return flights