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

Return flights

04 Sep - 06 Sep	Scandinavian Airlines
18 Sep - 25 Sep	Lufthansa
16 Sep - 25 Sep	Lufthansa
22 Sep - 30 Sep	easyJet
09 Sep - 14 Sep	Lufthansa
10 Sep - 18 Sep	Lufthansa
11 Sep - 25 Sep	Lufthansa
10 Sep - 14 Sep	Lufthansa
11 Sep - 18 Sep	Lufthansa
17 Sep - 25 Sep	Lufthansa
27 Sep - 04 Oct	easyJet
25 Sep - 02 Oct	Lufthansa
29 Sep - 03 Oct	easyJet
28 Sep - 01 Oct	easyJet
30 Sep - 05 Oct	Lufthansa
24 Sep - 01 Oct	easyJet
25 Sep - 09 Oct	easyJet
27 Sep - 05 Oct	easyJet
26 Sep - 01 Oct	easyJet
28 Sep - 05 Oct	easyJet

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 $229

Return flights