AirHint found the following cheapest one-way flights from Ontario (ONT) to Amsterdam (AMS) in July 2025 (see full year).

One-Way flights

29 Jul	Frontier Airlines
22 Jul	Frontier Airlines
15 Jul	Frontier Airlines
28 Jul	Frontier Airlines
25 Jul	Frontier Airlines
31 Jul	Frontier Airlines
30 Jul	Alaska Airlines
05 Jul	Frontier Airlines
23 Jul	Alaska Airlines
08 Jul	Frontier Airlines

Also check the deals for return flights from Ontario to Amsterdam in July.

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 one-way flights from Ontario to Amsterdam in July from $293

One-Way flights