We have prepared for you the list of the cheapest deals for Ryanair flight from Lisbon (LIS) to Cologne (CGN) by the month of departure.

Cheapest flights for September 2025

Departure date	Cheapest price
24 Sep 2025	158 €	Book Now
20 Sep 2025	175 €	Book Now
27 Sep 2025	197 €	Book Now

Cheapest flights for October 2025

Departure date	Cheapest price
15 Oct 2025	84 €	Book Now
29 Oct 2025	94 €	Book Now
08 Oct 2025	98 €	Book Now
30 Oct 2025	109 €	Book Now
11 Oct 2025	119 €	Book Now

Cheapest flights for November 2025

Departure date	Cheapest price
19 Nov 2025	40 €	Book Now
18 Nov 2025	41 €	Book Now
11 Nov 2025	46 €	Book Now
12 Nov 2025	47 €	Book Now
24 Nov 2025	47 €	Book Now

Cheapest flights for December 2025

Departure date	Cheapest price
15 Dec 2025	30 €	Book Now
03 Dec 2025	30 €	Book Now
09 Dec 2025	30 €	Book Now
10 Dec 2025	30 €	Book Now
13 Dec 2025	30 €	Book Now

Cheapest flights for January 2026

Departure date	Cheapest price
21 Jan 2026	42 €	Book Now
20 Jan 2026	42 €	Book Now
24 Jan 2026	50 €	Book Now
22 Jan 2026	50 €	Book Now
17 Jan 2026	50 €	Book Now

Cheapest flights for February 2026

Departure date	Cheapest price
14 Feb 2026	50 €	Book Now
10 Feb 2026	50 €	Book Now
07 Feb 2026	50 €	Book Now
05 Feb 2026	50 €	Book Now
03 Feb 2026	50 €	Book Now

Cheapest flights for March 2026

Departure date	Cheapest price
12 Mar 2026	50 €	Book Now
05 Mar 2026	51 €	Book Now
19 Mar 2026	54 €	Book Now
10 Mar 2026	54 €	Book Now
11 Mar 2026	55 €	Book Now

The deals are updated by AirHint regularly. Please keep in mind that the price may go up as tickets are purchased by other travellers. Only the cheapest one-way flights are offered. Book fast to secure these cheap Ryanair prices.

Ryanair deals from Lisbon to all destinations

Ryanair deals from Cologne to all destinations

Cheapest Ryanair flights Lisbon to Cologne from 30€