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

Return flights

10 Sep - 16 Sep	easyJet	direct
10 Sep - 17 Sep	easyJet	direct
11 Sep - 17 Sep	easyJet	direct
18 Sep - 23 Sep	easyJet	direct
18 Sep - 22 Sep	easyJet	direct
11 Sep - 16 Sep	easyJet	direct
23 Sep - 24 Sep	easyJet	direct
26 Sep - 30 Sep	easyJet	direct
01 Sep - 30 Sep	easyJet	direct
16 Sep - 23 Sep	easyJet	direct
29 Sep - 01 Oct	easyJet	direct
29 Sep - 05 Oct	easyJet	direct
27 Sep - 05 Oct	KLM
29 Sep - 04 Oct	KLM
27 Sep - 06 Oct	Lufthansa

Also check the deals for one-way flights from Milan to Oslo 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 Oslo in September from 69€

Return flights