AirHint found the following cheapest one-way flights from Porto (OPO) to Vienna (VIE) in July 2025 (see full year).

One-Way flights

05 Jul	Ryanair	direct
02 Jul	Ryanair	direct
04 Jul	Ryanair	direct
01 Jul	Ryanair	direct
03 Jul	Ryanair	direct
23 Jul	Ryanair
08 Jul	Vueling Airlines
22 Jul	Ryanair
10 Jul	Ryanair	direct
29 Jul	Ryanair

Also check the deals for return flights from Porto to Vienna in July.

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 one-way flights from Porto to Vienna in July from $37

One-Way flights