AirHint found the following cheapest return flights from Charlotte (CLT) to Chicago (ORD) in March 2026 (see full year).
Return flights
| 13 Mar - 15 Mar | Frontier Airlines | direct | |
| 06 Mar - 11 Mar | Spirit Airlines | ||
| 13 Mar - 03 Apr | Spirit Airlines |
Also check the deals for one-way flights from Charlotte to Chicago in March.
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