AirHint found the following cheapest return flights from St. Louis (STL) to Dallas-Fort Worth (DFW) in October 2025 (see full year).
Return flights
| 31 Oct - 07 Nov | Frontier Airlines | ||
| 30 Oct - 31 Oct | Frontier Airlines | ||
| 30 Oct - 02 Nov | Frontier Airlines | ||
| 31 Oct - 02 Nov | Frontier Airlines | ||
| 30 Oct - 31 Oct | American Airlines | direct |
Also check the deals for one-way flights from St. Louis to Dallas-Fort Worth in October.
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