$99 Find Cheap Southwest Flights from San Diego to Austin

When to Book Flights with Southwest from San Diego to Austin

• How far in advance should I book tickets for a flight with Southwest from San Diego to Austin?

  Generally, when trying to get a below average price for your ticket, try to book around 20 days before departure. For the cheapest possible price, our data suggests booking 82 days before departure.

• Is Southwest the cheapest airline to fly with from San Diego to Austin?

  With an average price of $309 return, Southwest is not the cheapest airline to fly from San Diego to Austin with. Instead, for the lowest price, our data suggests flying with Frontier, where a return flight costs $195 on average.

• What is the cheapest Southwest flight from San Diego to Austin?

  In the last 3 days, the lowest price for a flight with Southwest from San Diego to Austin was $134 for a return flight and $73 for a one-way flight.

• Does Southwest fly direct to Austin from San Diego?

  Yes, Southwest does offer direct flights for the route, with around 26 flights per week.

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

  On average, the cheapest day of the week to fly from San Diego to Austin with Southwest is Monday, when prices are around $67. The most expensive day is generally Saturday, where the average price is around $147.

• What’s the cheapest month to fly from San Diego to Austin with Southwest?

  The cheapest month for Southwest flights to Austin from San Diego is generally January, where plane tickets cost $173 on average. If possible, try to avoid the most expensive months of September and March, where tickets cost $248 and $338 respectively.