AirHint found the following cheapest return flights from Vienna (VIE) to Oslo (OSL) in September 2026 (see full year).

Return flights

08 Sep - 15 Sep	Norwegian	direct
01 Sep - 20 Sep	Norwegian	direct
01 Sep - 15 Sep	Norwegian	direct
15 Sep - 20 Sep	Norwegian	direct
08 Sep - 20 Sep	Norwegian	direct
15 Sep - 06 Oct	Norwegian	direct
23 Sep - 06 Oct	Norwegian	direct
23 Sep - 29 Sep	Norwegian	direct
15 Sep - 29 Sep	Norwegian	direct
08 Sep - 29 Sep	Norwegian	direct
30 Sep - 06 Oct	Norwegian	direct
15 Sep - 23 Sep	Norwegian	direct
08 Sep - 23 Sep	Norwegian	direct
20 Sep - 06 Oct	Norwegian	direct

Also check the deals for one-way flights from Vienna 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 Vienna to Oslo in September from $103

Return flights