AirHint found the following cheapest return flights from Madrid (MAD) to Shannon (SNN) in October 2025 (see full year).

Return flights

28 Oct - 18 Nov	Ryanair	direct
28 Oct - 04 Nov	Ryanair	direct
28 Oct - 11 Nov	Ryanair	direct
28 Oct - 08 Nov	Ryanair	direct
28 Oct - 01 Nov	Ryanair	direct
28 Oct - 15 Nov	Ryanair	direct
29 Oct - 09 Nov	Ryanair
28 Oct - 28 Oct	Ryanair
24 Oct - 27 Oct	Ryanair
25 Oct - 28 Oct	Ryanair
16 Oct - 28 Oct	Ryanair
31 Oct - 02 Nov	Wizz Air Malta
23 Oct - 27 Oct	Iberia Express
25 Oct - 27 Oct	Ryanair
23 Oct - 26 Oct	Air Europa
18 Oct - 25 Oct	Iberia Express
17 Oct - 19 Oct	Iberia Express

Also check the deals for one-way flights from Madrid to Shannon 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 Madrid to Shannon in October from 30€

Return flights