$89 Find Cheap Southwest Flights from Austin to San Diego

When to Book Flights with Southwest from Austin to San Diego

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

  Generally, when trying to get a below average price for your ticket, try to book around 17 days before departure. For the cheapest possible price, our data suggests booking 35 days before departure.

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

  With an average price of $321 return, Southwest is not the cheapest airline to fly from Austin to San Diego with. Instead, for the lowest price, our data suggests flying with Spirit Airlines, where a return flight costs $148 on average.

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

  In the last 3 days, the lowest price for a flight with Southwest from Austin to San Diego was $119 for a return flight and $69 for a one-way flight.

• Does Southwest fly direct to San Diego from Austin?

  Yes, Southwest does offer direct flights for the route, with around 25 flights per week.

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

  On average, the cheapest day of the week to fly from Austin to San Diego with Southwest is Monday, when prices are around $89. The most expensive day is generally Saturday, where the average price is around $118.

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

  The cheapest month for Southwest flights to San Diego from Austin is generally November, where plane tickets cost $142 on average. If possible, try to avoid the most expensive months of March and August, where tickets cost $275 and $298 respectively.