AirHint found the following cheapest return flights from Miami (MIA) to Dublin (DUB) in October 2025 (see full year).

Return flights

29 Oct - 19 Nov	Aer Lingus	direct
29 Oct - 26 Nov	Aer Lingus	direct
29 Oct - 07 Nov	Aer Lingus	direct
27 Oct - 07 Nov	SWISS
15 Oct - 12 Nov	SWISS
14 Oct - 11 Nov	Iberia
29 Oct - 09 Nov	Aer Lingus	direct
20 Oct - 17 Nov	SWISS
16 Oct - 14 Nov	Air Canada
22 Oct - 29 Oct	TAP
10 Oct - 01 Nov	Air Canada
18 Oct - 31 Oct	TAP
15 Oct - 22 Oct	SWISS
08 Oct - 13 Oct	SWISS
07 Oct - 13 Oct	SWISS
11 Oct - 15 Oct	Spirit Airlines
10 Oct - 14 Oct	Frontier Airlines
07 Oct - 12 Oct	KLM
09 Oct - 13 Oct	British Airways
14 Oct - 19 Oct	Delta

Also check the deals for one-way flights from Miami to Dublin 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 Miami to Dublin in October from $332

Return flights