AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Chicago (ORD) in September 2026 (see full year).
Return flights
| 03 Sep - 06 Sep | Spirit Airlines | direct | |
| 13 Sep - 16 Sep | United | direct | |
| 11 Sep - 14 Sep | Delta | ||
| 10 Sep - 13 Sep | American Airlines | direct | |
| 11 Sep - 14 Sep | United | direct |
Also check the deals for one-way flights from Dallas-Fort Worth to Chicago in September.
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