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 - 11 Nov	Ryanair	direct
28 Oct - 04 Nov	Ryanair	direct
28 Oct - 08 Nov	Ryanair	direct
28 Oct - 01 Nov	Ryanair	direct
28 Oct - 02 Nov	Ryanair
28 Oct - 15 Nov	Ryanair	direct
31 Oct - 04 Nov	Ryanair
01 Oct - 04 Oct	Ryanair
04 Oct - 06 Oct	Ryanair
30 Oct - 03 Nov	Ryanair
13 Oct - 20 Oct	Ryanair
26 Oct - 27 Oct	Ryanair
13 Oct - 17 Oct	Ryanair
12 Oct - 19 Oct	Ryanair
10 Oct - 17 Oct	Ryanair

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 58€

Return flights