$59 Find Cheap Southwest Flights from Denver to San Antonio

When to Book Flights with Southwest from Denver to San Antonio

• Is Southwest the cheapest airline to fly with from Denver to San Antonio?

  With an average price of $302 return, Southwest is not the cheapest airline to fly from Denver to San Antonio with. Instead, for the lowest price, our data suggests flying with Frontier, where a return flight costs $188 on average.

• What is the cheapest Southwest flight from Denver to San Antonio?

  In the last 3 days, the lowest price for a flight with Southwest from Denver to San Antonio was $101 for a return flight and $40 for a one-way flight.

• Does Southwest fly direct to San Antonio from Denver?

  Yes, Southwest does offer direct flights for the route, with around 24 flights per week.

• What’s the cheapest day of the week to fly from Denver to San Antonio with Southwest?

  On average, the cheapest day of the week to fly from Denver to San Antonio with Southwest is Tuesday, when prices are around $77. The most expensive day is generally Saturday, where the average price is around $138.

• What’s the cheapest month to fly from Denver to San Antonio with Southwest?

  The cheapest month for Southwest flights to San Antonio from Denver is generally August, where plane tickets cost $113 on average. If possible, try to avoid the most expensive months of December and September, where tickets cost $414 and $428 respectively.