Cheapest return flights from Portland to Dublin in May from $443

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

Return flights

02 May - 10 May Icelandair
01 May - 09 May Air Canada
05 May - 13 May Air Canada
04 May - 12 May Finnair
03 May - 11 May KLM
07 May - 15 May Icelandair
12 May - 20 May Icelandair
06 May - 14 May Delta
10 May - 18 May KLM
11 May - 19 May Iberia
16 May - 06 Jun Air Canada

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

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