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

Return flights

20 Oct - 05 Nov	KLM
21 Oct - 05 Nov	American Airlines
28 Oct - 04 Nov	United
29 Oct - 05 Nov	United
07 Oct - 01 Nov	Air Canada
15 Oct - 22 Oct	Air Canada
30 Oct - 06 Nov	KLM
27 Oct - 03 Nov	United
31 Oct - 07 Nov	United
21 Oct - 28 Oct	United
22 Oct - 29 Oct	United
07 Oct - 14 Oct	Air France
14 Oct - 21 Oct	Air France
20 Oct - 27 Oct	Air Canada
08 Oct - 15 Oct	Delta
13 Oct - 20 Oct	Air France
17 Oct - 08 Nov	Air Canada
26 Oct - 02 Nov	British Airways
17 Oct - 24 Oct	Air Canada
24 Oct - 31 Oct	Air France

Also check the deals for one-way flights from Phoenix 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 Phoenix to Dublin in October from $523

Return flights