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

Return flights

15 Jul - 13 Aug	Ryanair
27 Jul - 31 Jul	KLM
15 Jul - 29 Jul	Ryanair
28 Jul - 07 Aug	KLM
15 Jul - 13 Aug	Ryanair	direct
22 Jul - 28 Jul	KLM
26 Jul - 31 Jul	KLM
17 Jul - 24 Jul	Ryanair
15 Jul - 04 Aug	Ryanair	direct
22 Jul - 30 Jul	KLM
21 Jul - 18 Aug	easyJet
15 Jul - 22 Jul	Ryanair
22 Jul - 27 Jul	KLM
15 Jul - 30 Jul	Ryanair
15 Jul - 17 Jul	Ryanair
15 Jul - 02 Aug	Ryanair	direct
21 Jul - 04 Aug	KLM
29 Jul - 07 Aug	Ryanair
31 Jul - 03 Aug	KLM
31 Jul - 07 Aug	Ryanair

Also check the deals for one-way flights from Lisbon 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 return flights from Lisbon to Vienna in July from 180€

Return flights