AirHint found the following cheapest return flights from St. Louis (STL) to Dallas-Fort Worth (DFW) in January 2026 (see full year).

Return flights

27 Jan - 03 Feb	Frontier Airlines
12 Jan - 19 Jan	Frontier Airlines
14 Jan - 21 Jan	Frontier Airlines
10 Jan - 14 Jan	Frontier Airlines
09 Jan - 12 Jan	Frontier Airlines
07 Jan - 08 Jan	Frontier Airlines
20 Jan - 21 Jan	American Airlines	direct
20 Jan - 21 Jan	United
23 Jan - 25 Jan	Frontier Airlines
27 Jan - 03 Feb	American Airlines	direct
15 Jan - 19 Jan	Southern Airways Express
19 Jan - 19 Jan	American Airlines	direct

Also check the deals for one-way flights from St. Louis to Dallas-Fort Worth in January.

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.

Book a cheap hotel in Dallas-Fort Worth

Cheap car rent in Dallas-Fort Worth

Cheapest return flights from St. Louis to Dallas-Fort Worth in January from $128

Return flights