Cheapest one-way flights from Ontario to Athens in June from $551
AirHint found the following cheapest one-way flights from Ontario (ONT) to Athens (ATH) in June 2025 (see full year).
One-Way flights
| 30 Jun | British Airways | ||
| 17 Jun | Frontier Airlines | ||
| 14 Jun | British Airways | ||
| 24 Jun | KLM | ||
| 03 Jun | Air France | ||
| 07 Jun | jetBlue | ||
| 12 Jun | KLM | ||
| 23 Jun | jetBlue | ||
| 27 Jun | jetBlue | ||
| 22 Jun | jetBlue |
Also check the deals for return flights from Ontario to Athens in June.
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.
