AirHint found the following cheapest return flights from Phoenix (PHX) to Dublin (DUB) in May 2026 (see full year).

Return flights

05 May - 12 May	Air France
06 May - 13 May	Air France
04 May - 11 May	Air France
06 May - 11 May	Air France
01 May - 08 May	British Airways
03 May - 10 May	British Airways
02 May - 09 May	Delta
10 May - 17 May	jetBlue
12 May - 19 May	British Airways
13 May - 20 May	KLM
25 May - 01 Jun	British Airways
26 May - 02 Jun	British Airways
27 May - 03 Jun	British Airways
28 May - 04 Jun	British Airways
29 May - 30 Jun	KLM

Also check the deals for one-way flights from Phoenix to Dublin in May.

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 May from 446€

Return flights