We have prepared for you the list of the cheapest deals for Ryanair flight from Cologne (CGN) to Lisbon (LIS) by the month of departure.
Cheapest flights for May 2026
| Departure date | Cheapest price | |
|---|---|---|
| 28 May 2026 | 83 € | Book Now |
| 31 May 2026 | 111 € | Book Now |
| 17 May 2026 | 136 € | Book Now |
| 07 May 2026 | 142 € | Book Now |
| 24 May 2026 | 147 € | Book Now |
Cheapest flights for June 2026
| Departure date | Cheapest price | |
|---|---|---|
| 18 Jun 2026 | 83 € | Book Now |
| 14 Jun 2026 | 87 € | Book Now |
| 21 Jun 2026 | 87 € | Book Now |
| 07 Jun 2026 | 88 € | Book Now |
| 25 Jun 2026 | 89 € | Book Now |
Cheapest flights for July 2026
| Departure date | Cheapest price | |
|---|---|---|
| 07 Jul 2026 | 96 € | Book Now |
| 09 Jul 2026 | 99 € | Book Now |
| 14 Jul 2026 | 109 € | Book Now |
| 02 Jul 2026 | 116 € | Book Now |
| 28 Jul 2026 | 121 € | Book Now |
Cheapest flights for August 2026
| Departure date | Cheapest price | |
|---|---|---|
| 18 Aug 2026 | 54 € | Book Now |
| 25 Aug 2026 | 54 € | Book Now |
| 27 Aug 2026 | 55 € | Book Now |
| 20 Aug 2026 | 58 € | Book Now |
| 23 Aug 2026 | 68 € | Book Now |
Cheapest flights for September 2026
| Departure date | Cheapest price | |
|---|---|---|
| 22 Sep 2026 | 50 € | Book Now |
| 15 Sep 2026 | 58 € | Book Now |
| 29 Sep 2026 | 58 € | Book Now |
| 01 Sep 2026 | 67 € | Book Now |
| 08 Sep 2026 | 76 € | Book Now |
Cheapest flights for October 2026
| Departure date | Cheapest price | |
|---|---|---|
| 20 Oct 2026 | 67 € | Book Now |
| 22 Oct 2026 | 90 € | Book Now |
| 04 Oct 2026 | 105 € | Book Now |
| 15 Oct 2026 | 110 € | Book Now |
| 06 Oct 2026 | 111 € | 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.
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