Cheapest one-way flights from Washington to Athens in September from $351

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

One-Way flights

03 Sep TAP
25 Sep Icelandair
22 Sep TAP
23 Sep TAP
10 Sep TAP
18 Sep TAP
19 Sep TAP
21 Sep TAP
20 Sep Turkish Airlines
09 Sep United direct

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

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