$139 Find Cheap Southwest Flights from Washington, D.C. to Austin

When to Book Flights with Southwest from Washington, D.C. to Austin

• How far in advance should I book tickets for a flight with Southwest from Washington, D.C. to Austin?

  Generally, when trying to get a below average price for your ticket, try to book around 14 days before departure. For the cheapest possible price, our data suggests booking 48 days before departure.

• Is Southwest the cheapest airline to fly with from Washington, D.C. to Austin?

  With an average price of $518 return, Southwest is not the cheapest airline to fly from Washington, D.C. to Austin with. Instead, for the lowest price, our data suggests flying with Allegiant Air, where a return flight costs $191 on average.

• What is the cheapest Southwest flight from Washington, D.C. to Austin?

  In the last 3 days, the lowest price for a flight with Southwest from Washington, D.C. to Austin was $245 for a return flight and $74 for a one-way flight.

• Does Southwest fly direct to Austin from Washington, D.C.?

  Yes, Southwest does offer direct flights for the route, with around 9 flights per week.

• What’s the cheapest day of the week to fly from Washington, D.C. to Austin with Southwest?

  On average, the cheapest day of the week to fly from Washington, D.C. to Austin with Southwest is Sunday, when prices are around $120. The most expensive day is generally Saturday, where the average price is around $234.

• What’s the cheapest month to fly from Washington, D.C. to Austin with Southwest?

  The cheapest month for Southwest flights to Austin from Washington, D.C. is generally June, where plane tickets cost $221 on average. If possible, try to avoid the most expensive months of January and February, where tickets cost $398 and $403 respectively.