AirHint found the following cheapest return flights from Lyon (LYS) to Keflavik (KEF) in October 2025 (see full year).

Return flights

31 Oct - 06 Nov	Vueling Airlines
13 Oct - 19 Oct	easyJet
30 Oct - 03 Nov	Wizz Air Malta
08 Oct - 16 Oct	easyJet
08 Oct - 12 Oct	easyJet
29 Oct - 03 Nov	easyJet
20 Oct - 26 Oct	Vueling Airlines
11 Oct - 25 Oct	easyJet
04 Oct - 13 Oct	Lufthansa
06 Oct - 15 Oct	easyJet
15 Oct - 22 Oct	easyJet
22 Oct - 28 Oct	Wizz Air
18 Oct - 26 Oct	Wizz Air Malta
29 Oct - 02 Nov	easyJet
25 Oct - 02 Nov	Wizz Air
27 Oct - 02 Nov	Wizz Air
23 Oct - 11 Nov	LOT
27 Oct - 01 Nov	Wizz Air
24 Oct - 01 Nov	Air France

Also check the deals for one-way flights from Lyon to Keflavik in October.

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 Keflavik in October from $211

Return flights