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

Return flights

22 Jun - 28 Jun	Air Serbia
15 Jun - 22 Jun	Air Serbia
15 Jun - 29 Jun	Air Serbia
22 Jun - 06 Jul	Air Serbia
24 Jun - 06 Jul	Air Serbia
01 Jun - 22 Jun	Air Serbia
06 Jun - 16 Jun	Spirit Airlines
03 Jun - 29 Jul	Spirit Airlines
07 Jun - 20 Jun	Icelandair
07 Jun - 17 Jun	Icelandair
15 Jun - 21 Jul	Air Serbia
22 Jun - 25 Jul	Air Serbia
27 Jun - 11 Jul	Air Serbia
18 Jun - 26 Jun	HiSky Europe
07 Jun - 29 Jul	Icelandair
02 Jun - 14 Jun	Spirit Airlines
04 Jun - 14 Jun	Icelandair
13 Jun - 26 Jul	Air Serbia
30 Jun - 14 Jul	Spirit Airlines
30 Jun - 08 Jul	Spirit Airlines

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 599€

Return flights