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

Return flights

23 Dec - 12 Jan	Ryanair	direct
24 Dec - 12 Jan	Ryanair	direct
22 Dec - 09 Jan	Ryanair	direct
21 Dec - 09 Jan	Ryanair	direct
24 Dec - 13 Jan	Ryanair	direct
22 Dec - 08 Jan	Ryanair	direct
21 Dec - 08 Jan	Ryanair	direct
22 Dec - 10 Jan	Ryanair	direct
23 Dec - 09 Jan	Ryanair	direct
21 Dec - 10 Jan	Ryanair	direct
16 Dec - 17 Dec	Ryanair
22 Dec - 31 Dec	Ryanair
16 Dec - 18 Dec	Ryanair
16 Dec - 19 Dec	Ryanair
20 Dec - 31 Dec	Ryanair
16 Dec - 21 Dec	Ryanair
19 Dec - 31 Dec	Ryanair
29 Dec - 31 Dec	Ryanair
16 Dec - 23 Dec	Ryanair
21 Dec - 22 Dec	Ryanair	direct

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

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 December from $99

Return flights