We have prepared for you the list of the cheapest deals for Ryanair flight from Porto (OPO) to Lille (LIL) by the month of departure.

Cheapest flights for September 2025

Departure date	Cheapest price
29 Sep 2025	104 €	Book Now
22 Sep 2025	153 €	Book Now
19 Sep 2025	166 €	Book Now
15 Sep 2025	169 €	Book Now
26 Sep 2025	170 €	Book Now

Cheapest flights for October 2025

Departure date	Cheapest price
10 Oct 2025	55 €	Book Now
27 Oct 2025	59 €	Book Now
17 Oct 2025	62 €	Book Now
13 Oct 2025	64 €	Book Now
03 Oct 2025	64 €	Book Now

Cheapest flights for November 2025

Departure date	Cheapest price
21 Nov 2025	35 €	Book Now
14 Nov 2025	41 €	Book Now
24 Nov 2025	47 €	Book Now
28 Nov 2025	57 €	Book Now
10 Nov 2025	63 €	Book Now

Cheapest flights for December 2025

Departure date	Cheapest price
12 Dec 2025	38 €	Book Now
08 Dec 2025	39 €	Book Now
19 Dec 2025	40 €	Book Now
01 Dec 2025	47 €	Book Now
22 Dec 2025	56 €	Book Now

Cheapest flights for January 2026

Departure date	Cheapest price
30 Jan 2026	50 €	Book Now
16 Jan 2026	50 €	Book Now
23 Jan 2026	54 €	Book Now
26 Jan 2026	58 €	Book Now
12 Jan 2026	58 €	Book Now

Cheapest flights for February 2026

Departure date	Cheapest price
13 Feb 2026	50 €	Book Now
06 Feb 2026	50 €	Book Now
27 Feb 2026	58 €	Book Now
02 Feb 2026	58 €	Book Now
09 Feb 2026	63 €	Book Now

Cheapest flights for March 2026

Departure date	Cheapest price
13 Mar 2026	50 €	Book Now
20 Mar 2026	54 €	Book Now
06 Mar 2026	63 €	Book Now
02 Mar 2026	83 €	Book Now
27 Mar 2026	98 €	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 Porto to all destinations

Ryanair deals from Lille to all destinations

Cheapest Ryanair flights Porto to Lille from 35€