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

Return flights

04 Sep - 07 Sep	easyJet	direct
25 Sep - 28 Sep	easyJet	direct
18 Sep - 21 Sep	easyJet	direct
04 Sep - 08 Sep	easyJet	direct
18 Sep - 25 Sep	easyJet	direct
03 Sep - 07 Sep	easyJet
05 Sep - 07 Sep	Scandinavian Airlines	direct
17 Sep - 21 Sep	Scandinavian Airlines	direct
05 Sep - 10 Sep	Scandinavian Airlines	direct
01 Sep - 08 Sep	Vueling Airlines
25 Sep - 16 Oct	Vueling Airlines
25 Sep - 13 Oct	Vueling Airlines
25 Sep - 12 Oct	Vueling Airlines
21 Sep - 12 Oct	Vueling Airlines

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 $119

Return flights