Cheapest return flights from St. Louis to Dallas-Fort Worth in March from $318

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

Return flights

12 Mar - 14 Mar United
12 Mar - 14 Mar American Airlines direct
15 Mar - 18 Mar Southwest Airlines direct
15 Mar - 19 Mar Southwest Airlines

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

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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.

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