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

Return flights

10 Mar - 13 Mar	Ryanair
19 Mar - 22 Mar	easyJet
02 Mar - 07 Mar	easyJet
20 Mar - 22 Mar	easyJet
03 Mar - 08 Mar	easyJet
21 Mar - 24 Mar	Ryanair
07 Mar - 10 Mar	Ryanair
19 Mar - 21 Mar	easyJet
06 Mar - 10 Mar	Ryanair
13 Mar - 17 Mar	Ryanair
28 Mar - 02 Apr	Lufthansa
31 Mar - 04 Apr	SWISS
29 Mar - 04 Apr	Ryanair

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 $156

Return flights