Cheapest return flights from Porto to Vienna in September from $174

Best time to book flights for Porto (OPO) to Vienna (VIE) flights at AirHint

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

Return flights

11 Sep - 25 Sep Ryanair direct
11 Sep - 17 Sep Ryanair direct
11 Sep - 16 Sep Ryanair
28 Sep - 07 Oct TAP
28 Sep - 01 Oct TAP
11 Sep - 19 Sep Ryanair direct
11 Sep - 18 Sep Ryanair direct
11 Sep - 23 Sep Ryanair direct
11 Sep - 30 Sep Ryanair direct
11 Sep - 01 Oct Ryanair
11 Sep - 16 Sep Ryanair direct
30 Sep - 21 Oct Ryanair direct
11 Sep - 13 Sep Ryanair
05 Sep - 08 Sep KLM
30 Sep - 14 Oct Ryanair direct
23 Sep - 14 Oct Ryanair direct
27 Sep - 14 Oct Ryanair direct
11 Sep - 01 Oct Ryanair direct
24 Sep - 14 Oct Vueling Airlines
30 Sep - 17 Oct Ryanair direct

Also check the deals for one-way flights from Porto 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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