Cheapest return flights from Ontario to Dublin in May from 598€

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

Return flights

06 May - 13 May Iberia
03 May - 10 May KLM
05 May - 12 May Iberia
02 May - 09 May Iberia
01 May - 08 May KLM
04 May - 11 May British Airways
06 May - 11 May Iberia
07 May - 14 May Iberia
13 May - 20 May Iberia
09 May - 16 May Iberia
29 May - 05 Jun jetBlue
28 May - 04 Jun KLM
26 May - 02 Jun Iberia
30 May - 06 Jun Iberia
31 May - 07 Jun KLM
22 May - 09 Jun Iberia
27 May - 07 Jun Iberia

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

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