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

Return flights

15 Sep - 19 Sep	Wizz Air
04 Sep - 16 Sep	Wizz Air
15 Sep - 16 Sep	Wizz Air
13 Sep - 30 Sep	Wizz Air
07 Sep - 13 Sep	Wizz Air
08 Sep - 15 Sep	Wizz Air
10 Sep - 22 Sep	Wizz Air
17 Sep - 30 Sep	Wizz Air
09 Sep - 11 Sep	Wizz Air
10 Sep - 12 Sep	Wizz Air UK
13 Sep - 01 Oct	Wizz Air
11 Sep - 01 Oct	Wizz Air
25 Sep - 01 Oct	Wizz Air UK
29 Sep - 01 Oct	Wizz Air
26 Sep - 01 Oct	Wizz Air
30 Sep - 06 Oct	Wizz Air UK
10 Sep - 01 Oct	Wizz Air
27 Sep - 01 Oct	Wizz Air UK
27 Sep - 03 Oct	Wizz Air UK
12 Sep - 01 Oct	Wizz Air

Also check the deals for one-way flights from London to Copenhagen 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 London to Copenhagen in September from 80€

Return flights