Cheapest return flights from Oslo to Vienna in September from $146

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

Return flights

10 Sep - 17 Sep Ryanair
22 Sep - 25 Sep Ryanair
22 Sep - 30 Sep Norwegian direct
22 Sep - 07 Oct Norwegian direct
23 Sep - 25 Sep Norwegian
23 Sep - 26 Sep Ryanair
23 Sep - 30 Sep Norwegian direct
16 Sep - 30 Sep Norwegian direct
15 Sep - 30 Sep Norwegian direct
22 Sep - 24 Sep Norwegian direct
22 Sep - 23 Sep Norwegian direct
23 Sep - 07 Oct Norwegian direct
22 Sep - 09 Oct Norwegian direct
17 Sep - 07 Oct Norwegian direct
23 Sep - 09 Oct Norwegian direct
24 Sep - 07 Oct Norwegian direct
24 Sep - 14 Oct Norwegian direct
22 Sep - 01 Oct Norwegian direct
22 Sep - 06 Oct Norwegian direct
22 Sep - 08 Oct Norwegian direct

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

Skyscanner

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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