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Cheapest one-way flights from Washington (IAD) to Athens (ATH), September

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Dates, airline, and price
Dates	Airline	Price
14 Sep	Frontier Airlines
16 Sep	Frontier Airlines
10 Sep	Frontier Airlines
08 Sep	Frontier Airlines
03 Sep	Lufthansa
14 Sep	United Direct Flight
21 Sep	United Direct Flight
08 Sep	United Direct Flight
22 Sep	United Direct Flight
16 Sep	Austrian Airlines Direct Flight

deals for return flights from Washington to Athens in September.

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Updated Jul 16, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Washington (IAD) to Athens (ATH), September

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