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

Return flights

08 Jul - 19 Jul	Air Serbia
04 Jul - 11 Jul	Air Serbia
13 Jul - 20 Jul	Air Serbia
15 Jul - 22 Jul	Air Serbia
06 Jul - 15 Jul	Air Serbia
22 Jul - 29 Jul	Air Serbia
29 Jul - 05 Aug	Air Serbia
01 Jul - 08 Jul	Air Serbia
27 Jul - 03 Aug	Air Serbia
18 Jul - 25 Jul	Air Serbia
17 Jul - 24 Jul	TAP
23 Jul - 09 Aug	Turkish Airlines
30 Jul - 06 Aug	LOT
25 Jul - 01 Aug	Air Serbia
28 Jul - 04 Aug	LOT
31 Jul - 07 Aug	Turkish Airlines
23 Jul - 30 Jul	Turkish Airlines
26 Jul - 02 Aug	Turkish Airlines
29 Jul - 05 Aug	British Airways	direct
30 Jul - 06 Aug	British Airways	direct

Also check the deals for one-way flights from Chicago to Athens in July.

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 July from 625€

Return flights