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

Return flights

25 Sep - 02 Oct	easyJet	direct
25 Sep - 04 Oct	easyJet
18 Sep - 02 Oct	easyJet	direct
18 Sep - 21 Sep	easyJet	direct
24 Sep - 02 Oct	easyJet
21 Sep - 24 Sep	easyJet
25 Sep - 28 Sep	easyJet	direct
29 Sep - 04 Oct	easyJet
28 Sep - 01 Oct	easyJet
17 Sep - 23 Sep	Wizz Air Malta
30 Sep - 18 Oct	Vueling Airlines
25 Sep - 27 Sep	easyJet
22 Sep - 23 Sep	Scandinavian Airlines
18 Sep - 28 Sep	easyJet	direct
16 Sep - 23 Sep	easyJet
18 Sep - 26 Sep	easyJet
26 Sep - 29 Sep	Vueling Airlines
30 Sep - 05 Oct	Wizz Air
29 Sep - 18 Oct	Vueling Airlines
25 Sep - 12 Oct	easyJet	direct

Also check the deals for one-way flights from Lyon 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 Lyon to Copenhagen in September from 121€

Return flights