Find cheap Southwest flights to Dallas/Fort Worth Airport

When to Book Flights with Southwest from St. Louis to Dallas/Fort Worth Airport

• Is Southwest the cheapest airline to fly with from St. Louis to Dallas/Fort Worth Airport?

  With an average price of $299 return, Southwest is not the cheapest airline to fly from St. Louis to Dallas/Fort Worth Airport with. Instead, for the lowest price, our data suggests flying with Frontier, where a return flight costs $147 on average.

• What is the cheapest Southwest flight from St. Louis to Dallas/Fort Worth Airport?

  In the last 3 days, the lowest price for a flight with Southwest from St. Louis to Dallas/Fort Worth Airport was $160 for a return flight and $43 for a one-way flight.

• Does Southwest fly direct to Dallas/Fort Worth Airport from St. Louis?

  No, Southwest does not fly the route directly.

• What’s the cheapest day of the week to fly from St. Louis to Dallas/Fort Worth Airport with Southwest?

  On average, the cheapest day of the week to fly from St. Louis to Dallas/Fort Worth Airport with Southwest is Monday, when prices are around $69. The most expensive day is generally Saturday, where the average price is around $184.

• What’s the cheapest month to fly from St. Louis to Dallas/Fort Worth Airport with Southwest?

  The cheapest month for Southwest flights to Dallas/Fort Worth Airport from St. Louis is generally August, where plane tickets cost $108 on average. If possible, try to avoid the most expensive months of April and September, where tickets cost $297 and $311 respectively.