Cheapest return flights from Phoenix to Dublin in September from $646

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

Return flights

21 Sep - 24 Sep Frontier Airlines
16 Sep - 01 Oct Delta
12 Sep - 19 Sep jetBlue
12 Sep - 04 Oct jetBlue
24 Sep - 01 Oct Frontier Airlines
19 Sep - 28 Sep jetBlue
24 Sep - 30 Sep Frontier Airlines
26 Sep - 30 Sep Frontier Airlines
25 Sep - 29 Sep Frontier Airlines
20 Sep - 30 Sep Frontier Airlines
23 Sep - 29 Sep Frontier Airlines
28 Sep - 11 Oct American Airlines
23 Sep - 30 Sep American Airlines
28 Sep - 05 Oct Aer Lingus

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

Skyscanner

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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