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

Return flights

23 Oct - 30 Oct	Ryanair	direct
23 Oct - 29 Oct	Ryanair	direct
23 Oct - 31 Oct	Ryanair	direct
14 Oct - 19 Oct	Ryanair	direct
17 Oct - 20 Oct	Ryanair
08 Oct - 12 Oct	Ryanair
09 Oct - 13 Oct	easyJet
09 Oct - 12 Oct	easyJet
23 Oct - 26 Oct	Ryanair
20 Oct - 31 Oct	easyJet

Also check the deals for one-way flights from Alicante 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 Alicante to Shannon in October from $82

Return flights