Cheapest one-way IAD–ATH flights, September

AirHint found the following cheapest one-way flights from Washington (IAD) to Athens (ATH) in September 2026 (see full year).

One-Way flights

05 Sep Icelandair
15 Sep Frontier Airlines
23 Sep Turkish Airlines
14 Sep Turkish Airlines
22 Sep Turkish Airlines
11 Sep Turkish Airlines
12 Sep Turkish Airlines
14 Sep United direct
15 Sep United direct
16 Sep United direct

Also check the deals for return flights from Washington to Athens in September.

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