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

Cheapest flights for September 2025

Departure date	Cheapest price
30 Sep 2025	60 €	Book Now
27 Sep 2025	61 €	Book Now
26 Sep 2025	81 €	Book Now
16 Sep 2025	82 €	Book Now
23 Sep 2025	91 €	Book Now

Cheapest flights for October 2025

Departure date	Cheapest price
29 Oct 2025	20 €	Book Now
28 Oct 2025	23 €	Book Now
30 Oct 2025	24 €	Book Now
21 Oct 2025	32 €	Book Now
26 Oct 2025	36 €	Book Now

Cheapest flights for November 2025

Departure date	Cheapest price
16 Nov 2025	22 €	Book Now
11 Nov 2025	26 €	Book Now
05 Nov 2025	27 €	Book Now
15 Nov 2025	27 €	Book Now
10 Nov 2025	28 €	Book Now

Cheapest flights for December 2025

Departure date	Cheapest price
14 Dec 2025	26 €	Book Now
31 Dec 2025	27 €	Book Now
07 Dec 2025	31 €	Book Now
06 Dec 2025	33 €	Book Now
02 Dec 2025	33 €	Book Now

Cheapest flights for January 2026

Departure date	Cheapest price
08 Jan 2026	35 €	Book Now
07 Jan 2026	35 €	Book Now
16 Jan 2026	39 €	Book Now
09 Jan 2026	39 €	Book Now
01 Jan 2026	39 €	Book Now

Cheapest flights for February 2026

Departure date	Cheapest price
05 Feb 2026	35 €	Book Now
26 Feb 2026	39 €	Book Now
19 Feb 2026	39 €	Book Now
12 Feb 2026	39 €	Book Now
09 Feb 2026	41 €	Book Now

Cheapest flights for March 2026

Departure date	Cheapest price
26 Mar 2026	35 €	Book Now
02 Mar 2026	35 €	Book Now
19 Mar 2026	39 €	Book Now
12 Mar 2026	40 €	Book Now
09 Mar 2026	46 €	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 Cologne to all destinations

Ryanair deals from Vienna to all destinations

Cheapest Ryanair flights Cologne to Vienna from 20€