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

Return flights

14 Oct - 21 Oct	Vueling Airlines
03 Oct - 07 Oct	Ryanair
21 Oct - 28 Oct	Vueling Airlines
25 Oct - 04 Nov	Vueling Airlines
14 Oct - 28 Oct	Vueling Airlines
07 Oct - 14 Oct	Vueling Airlines
24 Oct - 02 Nov	Ryanair	direct
14 Oct - 18 Oct	Vueling Airlines
03 Oct - 08 Oct	Ryanair
07 Oct - 11 Oct	Vueling Airlines
06 Oct - 14 Oct	Vueling Airlines
09 Oct - 14 Oct	Ryanair
29 Oct - 02 Nov	Ryanair
29 Oct - 05 Nov	Ryanair
27 Oct - 03 Nov	Ryanair
28 Oct - 04 Nov	Ryanair
28 Oct - 02 Nov	Ryanair
30 Oct - 03 Nov	Ryanair
28 Oct - 01 Nov	Ryanair
29 Oct - 01 Nov	Ryanair

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

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 October from 101€

Return flights