AirHint found the following cheapest return flights from Lisbon (LIS) to Vienna (VIE) in August 2025 (see full year).

Return flights

27 Aug - 03 Sep	Eurowings
26 Aug - 02 Sep	Air Serbia
29 Aug - 09 Sep	KLM
29 Aug - 01 Sep	KLM
29 Aug - 04 Sep	KLM
29 Aug - 07 Sep	KLM
17 Aug - 22 Aug	KLM
27 Aug - 01 Sep	Air Europa
27 Aug - 04 Sep	Air Europa
22 Aug - 28 Aug	Air Serbia
25 Aug - 01 Sep	Ryanair
22 Aug - 26 Aug	Air Serbia
26 Aug - 28 Aug	Air Serbia
27 Aug - 02 Sep	Air Europa
20 Aug - 26 Aug	KLM
25 Aug - 28 Aug	Vueling Airlines
22 Aug - 30 Aug	Air Serbia
22 Aug - 29 Aug	Air Serbia
22 Aug - 31 Aug	Air Serbia
27 Aug - 28 Aug	Air Europa

Also check the deals for one-way flights from Lisbon to Vienna in August.

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.

Book a cheap hotel in Vienna

Cheap car rent in Vienna

Cheapest return flights from Lisbon to Vienna in August from 226€

Return flights