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

Return flights

29 Sep - 01 Oct	easyJet
15 Sep - 29 Sep	easyJet
28 Sep - 08 Oct	easyJet
25 Sep - 08 Oct	easyJet
15 Sep - 20 Sep	easyJet
15 Sep - 25 Sep	easyJet
15 Sep - 30 Sep	easyJet
06 Sep - 11 Sep	Lufthansa
13 Sep - 18 Sep	Lufthansa
11 Sep - 18 Sep	Lufthansa
06 Sep - 16 Sep	easyJet
14 Sep - 22 Sep	Lufthansa
04 Sep - 11 Sep	Lufthansa
29 Sep - 09 Oct	easyJet
25 Sep - 09 Oct	Lufthansa
27 Sep - 06 Oct	easyJet
29 Sep - 11 Oct	easyJet
24 Sep - 06 Oct	easyJet
29 Sep - 07 Oct	easyJet
25 Sep - 06 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 217€

Return flights