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

Return flights

28 Oct - 04 Nov	United
29 Oct - 05 Nov	Delta
21 Oct - 28 Oct	Air Canada
22 Oct - 29 Oct	Air Canada
08 Oct - 15 Oct	Air Canada
14 Oct - 21 Oct	Air Canada
15 Oct - 22 Oct	Air Canada
07 Oct - 14 Oct	KLM
26 Oct - 02 Nov	Air Canada
31 Oct - 07 Nov	Air Canada
27 Oct - 03 Nov	United
30 Oct - 06 Nov	Delta
01 Oct - 08 Oct	Air Canada
24 Oct - 31 Oct	Air Canada
10 Oct - 17 Oct	Air Canada
16 Oct - 23 Oct	Air Canada
25 Oct - 01 Nov	Air Canada

Also check the deals for one-way flights from Austin 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 Austin to Dublin in October from $474

Return flights