AirHint found the following cheapest return flights from Ontario (ONT) to Dublin (DUB) in April 2026 (see full year).
Return flights
| 09 Apr - 16 Apr | Iberia | ||
| 07 Apr - 02 May | Iberia | ||
| 08 Apr - 02 May | Iberia | ||
| 09 Apr - 02 May | Iberia | ||
| 06 Apr - 13 Apr | Iberia | ||
| 06 Apr - 02 May | Iberia | ||
| 28 Apr - 23 May | Iberia | ||
| 10 Apr - 19 Apr | Iberia |
Also check the deals for one-way flights from Ontario to Dublin in April.
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