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

Return flights

10 Jun - 13 Jun	Air Serbia
08 Jun - 15 Jun	Air Serbia
10 Jun - 20 Jun	Air Serbia
10 Jun - 04 Jul	Air Serbia
14 Jun - 20 Jun	HiSky Europe
11 Jun - 04 Jul	HiSky Europe
14 Jun - 04 Jul	HiSky Europe
18 Jun - 11 Jul	HiSky Europe
02 Jun - 27 Jun	Icelandair
16 Jun - 30 Jun	Icelandair
30 Jun - 09 Jul	ITA Airways
08 Jun - 15 Jun	Finnair	direct
02 Jun - 27 Jun	Finnair	direct
14 Jun - 04 Jul	Finnair	direct
10 Jun - 04 Jul	Finnair	direct
10 Jun - 20 Jun	Finnair	direct
11 Jun - 04 Jul	Finnair	direct
18 Jun - 11 Jul	Iberia	direct
10 Jun - 13 Jun	Iberia	direct

Also check the deals for one-way flights from Chicago 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 Chicago to Athens in June from 646€

Return flights