AirHint found the following cheapest return flights from Porto (OPO) to Vienna (VIE) in March 2026 (see full year).

Return flights

05 Mar - 08 Mar	Ryanair
05 Mar - 19 Mar	Ryanair	direct
04 Mar - 19 Mar	Ryanair	direct
04 Mar - 08 Mar	Ryanair
05 Mar - 15 Mar	Ryanair	direct
04 Mar - 15 Mar	Ryanair	direct
15 Mar - 17 Mar	Ryanair
12 Mar - 15 Mar	Ryanair
14 Mar - 16 Mar	Ryanair
05 Mar - 08 Mar	Ryanair	direct

Also check the deals for one-way flights from Porto to Vienna in March.

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 Porto to Vienna in March from 135€

Return flights