Cheapest return flights from Washington to Athens in September from $526

Best time to book flights for Washington (IAD) to Athens (ATH) flights at AirHint

AirHint found the following cheapest return flights from Washington (IAD) to Athens (ATH) in September 2025 (see full year).

Return flights

24 Sep - 08 Oct Scandinavian Airlines
16 Sep - 23 Sep Scandinavian Airlines
23 Sep - 30 Sep Scandinavian Airlines
15 Sep - 23 Sep Scandinavian Airlines
04 Sep - 15 Sep Scandinavian Airlines
20 Sep - 29 Sep Scandinavian Airlines
24 Sep - 05 Oct Turkish Airlines
11 Sep - 21 Sep Scandinavian Airlines
02 Sep - 09 Sep Scandinavian Airlines
04 Sep - 08 Sep Scandinavian Airlines
24 Sep - 08 Oct United direct
17 Sep - 30 Sep Delta
24 Sep - 05 Oct United direct
09 Sep - 18 Sep United direct

Also check the deals for one-way flights from Washington to Athens in September.

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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.

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