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

Return flights

23 Mar - 30 Mar	Turkish Airlines
30 Mar - 06 Apr	Turkish Airlines
31 Mar - 07 Apr	Turkish Airlines
22 Mar - 29 Mar	Turkish Airlines
11 Mar - 25 Mar	Turkish Airlines
03 Mar - 10 Mar	Turkish Airlines
13 Mar - 20 Mar	Turkish Airlines
21 Mar - 28 Mar	Turkish Airlines
19 Mar - 09 Apr	Air Canada

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

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 March from 428€

Return flights