AirHint found the following cheapest return flights from Ontario (ONT) to Amsterdam (AMS) in May 2026 (see full year).
Return flights
| 01 May - 15 May | jetBlue | ||
| 20 May - 27 May | Iberia | ||
| 08 May - 15 May | Iberia | ||
| 08 May - 22 May | Iberia | ||
| 18 May - 31 May | Iberia |
Also check the deals for one-way flights from Ontario to Amsterdam in May.
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