AirHint found the following cheapest return flights from Chicago (ORD) to Atlanta (ATL) in May 2026 (see full year).
Return flights
| 23 May - 30 May | American Airlines | direct | |
| 28 May - 31 May | United | direct | |
| 10 May - 14 May | Delta | direct |
Also check the deals for one-way flights from Chicago to Atlanta in May.
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