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

Return flights

11 Oct - 14 Oct	easyJet
11 Oct - 18 Oct	easyJet
11 Oct - 16 Oct	easyJet
07 Oct - 14 Oct	easyJet
11 Oct - 15 Oct	easyJet
06 Oct - 16 Oct	easyJet
12 Oct - 16 Oct	easyJet
04 Oct - 07 Oct	Lufthansa
30 Oct - 02 Nov	Wizz Air Malta
14 Oct - 21 Oct	easyJet
11 Oct - 20 Oct	easyJet
23 Oct - 10 Nov	Norwegian
26 Oct - 02 Nov	easyJet

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 200€

Return flights