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

Return flights

23 Sep - 02 Oct	Wizz Air
25 Sep - 08 Oct	Norwegian
25 Sep - 15 Oct	Norwegian
25 Sep - 09 Oct	Norwegian	direct
25 Sep - 16 Oct	Norwegian	direct
28 Sep - 02 Oct	easyJet
24 Sep - 08 Oct	Vueling Airlines
24 Sep - 09 Oct	Vueling Airlines
25 Sep - 05 Oct	Norwegian	direct
25 Sep - 12 Oct	Norwegian	direct
19 Sep - 22 Sep	easyJet
22 Sep - 30 Sep	easyJet
25 Sep - 28 Sep	Norwegian	direct
28 Sep - 29 Sep	Norwegian
24 Sep - 25 Sep	Vueling Airlines
21 Sep - 28 Sep	easyJet
22 Sep - 29 Sep	easyJet
22 Sep - 25 Sep	easyJet
26 Sep - 30 Sep	Brussels Airlines
25 Sep - 27 Sep	Norwegian

Also check the deals for one-way flights from Lyon to Oslo 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 Oslo in September from 141€

Return flights