Cheapest return flights from Chicago to Athens in May from 524€

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

Return flights

07 May - 21 May Turkish Airlines
06 May - 18 May Turkish Airlines
06 May - 23 May Air Serbia
08 May - 17 May Turkish Airlines
01 May - 10 May Turkish Airlines
09 May - 23 May Frontier Airlines
13 May - 02 Jun Air Serbia
12 May - 26 May Turkish Airlines
25 May - 15 Jun Air Serbia
10 May - 21 May Lufthansa
18 May - 16 Jun Icelandair
10 May - 07 Jun Lufthansa
02 May - 14 May Spirit Airlines
11 May - 23 May Austrian Airlines
26 May - 09 Jun Spirit Airlines
27 May - 07 Jun Spirit Airlines
31 May - 10 Jun Spirit Airlines
28 May - 09 Jun Spirit Airlines
29 May - 09 Jun Spirit Airlines
30 May - 13 Jun Spirit Airlines

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

Powered by

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.

Book a cheap hotel in Athens

Cheap car rent in Athens

Feel free to contact us with any feedback or request another flight research.