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

Return flights

04 May - 11 May	Norwegian	direct
04 May - 15 May	Norwegian	direct
07 May - 11 May	Norwegian
06 May - 11 May	Norwegian
22 May - 26 May	Norwegian
06 May - 11 May	Norwegian	direct
07 May - 11 May	Norwegian	direct
07 May - 15 May	Norwegian	direct
06 May - 15 May	Norwegian	direct
17 May - 29 May	Norwegian	direct
17 May - 03 Jun	Norwegian	direct

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

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 Oslo to Vienna in May from 148€

Return flights