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

Return flights

29 Oct - 12 Nov	Ryanair	direct
27 Oct - 12 Nov	Ryanair	direct
28 Oct - 12 Nov	Ryanair	direct
29 Oct - 11 Nov	Ryanair	direct
29 Oct - 18 Nov	Ryanair	direct
27 Oct - 11 Nov	Ryanair	direct
28 Oct - 11 Nov	Ryanair	direct
27 Oct - 29 Oct	Ryanair	direct
28 Oct - 29 Oct	Ryanair	direct
29 Oct - 05 Nov	Ryanair	direct
27 Oct - 05 Nov	Ryanair	direct
28 Oct - 05 Nov	Ryanair	direct
28 Oct - 31 Oct	Ryanair
27 Oct - 28 Oct	Ryanair	direct
27 Oct - 31 Oct	Ryanair
15 Oct - 22 Oct	Ryanair
14 Oct - 21 Oct	Ryanair
07 Oct - 09 Oct	Ryanair
25 Oct - 29 Oct	Ryanair
08 Oct - 10 Oct	Ryanair

Also check the deals for one-way flights from Cologne to Lisbon 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 Cologne to Lisbon in October from $90

Return flights