Cheapest return flights from Chicago to Athens in May from $509

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

Return flights

07 May - 14 May Turkish Airlines
07 May - 15 May Turkish Airlines
06 May - 13 May Turkish Airlines
13 May - 27 May Turkish Airlines
04 May - 11 May Turkish Airlines
08 May - 15 May Turkish Airlines
01 May - 10 May Turkish Airlines
03 May - 10 May Turkish Airlines
02 May - 09 May Turkish Airlines
11 May - 18 May Turkish Airlines
27 May - 07 Jun Air Serbia
21 May - 04 Jun LOT
26 May - 02 Jun Icelandair
25 May - 01 Jun Air Serbia
31 May - 09 Jun Spirit Airlines
24 May - 07 Jun TAP
28 May - 04 Jun Icelandair
31 May - 09 Jun Finnair direct
26 May - 02 Jun Lufthansa direct
21 May - 04 Jun American Airlines direct

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

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