AirHint found the following cheapest one-way flights from Ontario (ONT) to Athens (ATH) in July 2026 (see full year).
One-Way flights
| 18 Jul | Iberia | ||
| 17 Jul | British Airways | ||
| 24 Jul | Iberia | ||
| 15 Jul | British Airways | ||
| 05 Jul | British Airways | ||
| 20 Jul | British Airways | ||
| 02 Jul | British Airways | ||
| 16 Jul | Iberia | ||
| 29 Jul | jetBlue | ||
| 30 Jul | jetBlue |
Also check the deals for return flights from Ontario to Athens in July.
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