Cheapest return flights from Portland to Dublin in May from $523

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

Return flights

20 May - 27 May Icelandair
18 May - 25 May Icelandair
08 May - 18 May KLM
27 May - 03 Jun Delta
26 May - 02 Jun Delta
19 May - 26 May Lufthansa
11 May - 25 May Icelandair
24 May - 02 Jun KLM
15 May - 22 May Lufthansa
29 May - 05 Jun Air Canada
25 May - 01 Jun Virgin Atlantic
19 May - 29 May United
21 May - 28 May Air Canada
28 May - 04 Jun Air Canada
22 May - 29 May Icelandair
17 May - 24 May KLM
21 May - 05 Jun Air Canada
22 May - 01 Jun Icelandair

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

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