AirHint found the following cheapest return flights from Lisbon (LIS) to Vienna (VIE) in May 2026 (see full year).

Return flights

09 May - 17 May	Air Europa
01 May - 03 May	TAP
15 May - 17 May	KLM
01 May - 08 May	TAP
01 May - 18 May	Ryanair
01 May - 13 May	Ryanair
01 May - 17 May	Ryanair
15 May - 18 May	Ryanair
01 May - 04 May	Ryanair
01 May - 11 May	Ryanair
25 May - 10 Jun	Ryanair	direct
25 May - 09 Jun	Ryanair	direct
25 May - 11 Jun	Ryanair	direct
25 May - 12 Jun	Ryanair	direct
24 May - 10 Jun	Ryanair	direct
24 May - 09 Jun	Ryanair	direct
24 May - 11 Jun	Ryanair	direct
25 May - 13 Jun	Ryanair	direct
25 May - 14 Jun	Ryanair	direct
24 May - 12 Jun	Ryanair	direct

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

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 May from 207€

Return flights