Cheapest one-way flights from Washington to Athens in September from 214€

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

One-Way flights

25 Sep Frontier Airlines
23 Sep Frontier Airlines
24 Sep Frontier Airlines
21 Sep Frontier Airlines
20 Sep TAP
24 Sep United direct
23 Sep United direct
25 Sep United direct
18 Sep Brussels Airlines direct

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

Skyscanner

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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