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

Return flights

29 Jun - 10 Jul	Icelandair
22 Jun - 01 Jul	Icelandair
22 Jun - 29 Jun	Icelandair
21 Jun - 29 Jun	Scandinavian Airlines
21 Jun - 28 Jun	Icelandair
18 Jun - 25 Jun	Lufthansa
20 Jun - 02 Jul	Volaris El Salvador
25 Jun - 27 Jun	Icelandair
26 Jun - 11 Jul	Porter Airlines (Canada) Ltd
29 Jun - 29 Jul	Icelandair
19 Jun - 24 Jun	Royal Air Maroc
18 Jun - 29 Jun	Austrian Airlines
26 Jun - 28 Jun	Porter Airlines (Canada) Ltd
27 Jun - 29 Jun	Qatar Airways
19 Jun - 29 Jun	SWISS
29 Jun - 10 Jul	United	direct
29 Jun - 29 Jul	United	direct
22 Jun - 01 Jul	United	direct
23 Jun - 03 Jul	United
25 Jun - 07 Jul	United

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

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 June from $1105

Return flights