AirHint found the following cheapest return flights from Milan (LIN) to Keflavik (KEF) in September 2025 (see full year).

Return flights

22 Sep - 01 Oct	easyJet
23 Sep - 01 Oct	KLM
29 Sep - 01 Oct	easyJet
22 Sep - 30 Sep	easyJet
30 Sep - 07 Oct	Lufthansa
22 Sep - 04 Oct	easyJet
23 Sep - 30 Sep	easyJet
24 Sep - 01 Oct	KLM
29 Sep - 06 Oct	easyJet
15 Sep - 24 Sep	easyJet
22 Sep - 03 Oct	easyJet
25 Sep - 01 Oct	KLM
15 Sep - 22 Sep	easyJet
15 Sep - 20 Sep	easyJet
30 Sep - 05 Oct	Lufthansa
15 Sep - 17 Sep	easyJet
22 Sep - 27 Sep	easyJet
17 Sep - 24 Sep	easyJet
16 Sep - 23 Sep	easyJet
15 Sep - 21 Sep	Lufthansa

Also check the deals for one-way flights from Milan to Keflavik 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 Milan to Keflavik in September from 235€

Return flights