$148 Find Cheap Southwest Flights from Los Angeles to St. Louis

When to Book Flights with Southwest from Los Angeles to St. Louis

• How far in advance should I book tickets for a flight with Southwest from Los Angeles to St. Louis?

  Generally, when trying to get a below average price for your ticket, try to book around 12 days before departure. For the cheapest possible price, our data suggests booking 59 days before departure.

• Is Southwest the cheapest airline to fly with from Los Angeles to St. Louis?

  With an average price of $402 return, Southwest is not the cheapest airline to fly from Los Angeles to St. Louis with. Instead, for the lowest price, our data suggests flying with Frontier, where a return flight costs $225 on average.

• What is the cheapest Southwest flight from Los Angeles to St. Louis?

  In the last 3 days, the lowest price for a flight with Southwest from Los Angeles to St. Louis was $295 for a return flight and $147 for a one-way flight.

• Does Southwest fly direct to St. Louis from Los Angeles?

  Yes, Southwest does offer direct flights for the route, with around 2 flights per week.

• What’s the cheapest day of the week to fly from Los Angeles to St. Louis with Southwest?

  On average, the cheapest day of the week to fly from Los Angeles to St. Louis with Southwest is Wednesday, when prices are around $138. The most expensive day is generally Saturday, where the average price is around $194.

• What’s the cheapest month to fly from Los Angeles to St. Louis with Southwest?

  The cheapest month for Southwest flights to St. Louis from Los Angeles is generally October, where plane tickets cost $194 on average. If possible, try to avoid the most expensive months of December and February, where tickets cost $299 and $399 respectively.