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

Return flights

23 Sep - 30 Sep	Wizz Air Malta
24 Sep - 30 Sep	Wizz Air Malta
22 Sep - 29 Sep	Wizz Air
16 Sep - 20 Sep	Wizz Air Malta
18 Sep - 22 Sep	Wizz Air Malta
24 Sep - 28 Sep	Wizz Air Malta
05 Sep - 08 Sep	Wizz Air
09 Sep - 18 Sep	Wizz Air Malta
09 Sep - 13 Sep	Wizz Air Malta
12 Sep - 17 Sep	Wizz Air Malta
29 Sep - 01 Oct	Air France

Also check the deals for one-way flights from Billund to London in September.

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 London in September from 91€

Return flights