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

Return flights

01 Jun - 10 Jun	Air Canada
01 Jun - 09 Jun	Air Canada
02 Jun - 09 Jun	Finnair
03 Jun - 10 Jun	Air Canada
27 Jun - 01 Jul	Icelandair
24 Jun - 06 Jul	Icelandair
27 Jun - 05 Jul	Icelandair
20 Jun - 24 Jul	Icelandair
18 Jun - 14 Jul	Air Canada
25 Jun - 12 Jul	Icelandair
26 Jun - 03 Jul	United
25 Jun - 02 Jul	United
30 Jun - 07 Jul	Finnair
24 Jun - 01 Jul	Iberia

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

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 Portland to Dublin in June from $619

Return flights