AirHint found the following cheapest return flights from Washington (IAD) to Athens (ATH) in June 2026 (see full year).

Return flights

03 Jun - 10 Jun	Lufthansa
02 Jun - 09 Jun	Lufthansa
01 Jun - 08 Jun	Air Canada
08 Jun - 15 Jun	SWISS
04 Jun - 11 Jun	TAP
16 Jun - 23 Jun	Air Canada
05 Jun - 12 Jun	Icelandair
17 Jun - 24 Jun	Air Canada
14 Jun - 21 Jun	Air Canada
24 Jun - 01 Jul	Air Canada
15 Jun - 26 Jun	Lufthansa
17 Jun - 01 Jul	Lufthansa
23 Jun - 04 Jul	Lufthansa
22 Jun - 13 Jul	TAP
24 Jun - 04 Jul	Lufthansa
23 Jun - 05 Jul	Lufthansa
16 Jun - 07 Jul	Aer Lingus
26 Jun - 03 Jul	Aer Lingus
25 Jun - 02 Jul	Lufthansa
20 Jun - 06 Jul	Lufthansa

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 672€

Return flights