AirHint found the following cheapest one-way flights from Ontario (ONT) to Madrid (MAD) in July 2026 (see full year).
One-Way flights
| 19 Jul | Alaska Airlines | ||
| 06 Jul | Alaska Airlines | ||
| 05 Jul | Alaska Airlines | ||
| 15 Jul | British Airways |
Also check the deals for return flights from Ontario to Madrid in July.
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