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

Return flights

13 Oct - 21 Oct	Air France
19 Oct - 05 Nov	Delta
20 Oct - 15 Nov	Air France
21 Oct - 15 Nov	Air France
01 Oct - 09 Oct	Delta
13 Oct - 22 Oct	Delta
08 Oct - 15 Oct	Delta
15 Oct - 29 Oct	Delta
22 Oct - 08 Nov	Delta
06 Oct - 14 Oct	jetBlue
19 Oct - 08 Nov	Air France
01 Oct - 06 Oct	jetBlue
23 Oct - 28 Oct	Delta
10 Oct - 21 Oct	Virgin Atlantic
07 Oct - 10 Oct	jetBlue
22 Oct - 01 Nov	Delta
23 Oct - 06 Nov	British Airways
26 Oct - 09 Nov	British Airways
18 Oct - 08 Nov	Air Canada
22 Oct - 09 Nov	Air Canada

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

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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Cheapest return flights from Washington to Athens in October from $509

Return flights