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

Return flights

28 Oct - 04 Nov	United
29 Oct - 05 Nov	United
20 Oct - 05 Nov	KLM
21 Oct - 05 Nov	Delta
22 Oct - 29 Oct	Lufthansa
27 Oct - 03 Nov	Air Canada
31 Oct - 07 Nov	Air Canada
29 Oct - 13 Nov	United
21 Oct - 28 Oct	Air Canada
17 Oct - 24 Oct	Lufthansa
15 Oct - 22 Oct	WestJet
30 Oct - 06 Nov	American Airlines
14 Oct - 21 Oct	Air France
07 Oct - 01 Nov	Air France
12 Oct - 19 Oct	Air Canada
26 Oct - 02 Nov	Spirit Airlines
07 Oct - 14 Oct	United
20 Oct - 27 Oct	Air Canada
23 Oct - 30 Oct	Frontier Airlines
08 Oct - 15 Oct	Frontier Airlines

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 446€

Return flights