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

Return flights

09 Sep - 16 Sep	Wizz Air
09 Sep - 23 Sep	Wizz Air
11 Sep - 16 Sep	Norwegian
24 Sep - 30 Sep	Wizz Air Malta
18 Sep - 23 Sep	Wizz Air Malta
18 Sep - 21 Sep	Wizz Air Malta
04 Sep - 09 Sep	Wizz Air
25 Sep - 04 Oct	Wizz Air Malta
05 Sep - 07 Sep	Norwegian
25 Sep - 29 Sep	Wizz Air Malta
09 Sep - 13 Sep	Wizz Air
24 Sep - 02 Oct	Wizz Air Malta
26 Sep - 02 Oct	Wizz Air Malta
27 Sep - 05 Oct	Scandinavian Airlines
27 Sep - 10 Oct	Ryanair
22 Sep - 06 Oct	Ryanair
30 Sep - 07 Oct	Iberia	direct
25 Sep - 03 Oct	Iberia	direct
15 Sep - 03 Oct	TAP
29 Sep - 05 Oct	Vueling Airlines

Also check the deals for one-way flights from Madrid 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 Madrid to Oslo in September from 126€

Return flights