AirHint found the following cheapest one-way flights from Washington (IAD) to Athens (ATH) in September 2026 (see full year).
One-Way flights
| 07 Sep | TAP | ||
| 06 Sep | Icelandair | ||
| 01 Sep | TAP | ||
| 24 Sep | Turkish Airlines | ||
| 01 Sep | United | direct | |
| 02 Sep | United | direct | |
| 06 Sep | United | direct | |
| 07 Sep | United | direct | |
| 24 Sep | United | direct | |
| 03 Sep | United | direct |
Also check the deals for return flights from Washington to Athens in September.
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