$115 Find Cheap Southwest Flights from Ontario to Austin

When to Book Flights with Southwest from Ontario to Austin

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

  With an average price of $352 return, Southwest is not the cheapest airline to fly from Ontario to Austin with. Instead, for the lowest price, our data suggests flying with Frontier, where a return flight costs $216 on average.

• What is the cheapest Southwest flight from Ontario to Austin?

  In the last 3 days, the lowest price for a flight with Southwest from Ontario to Austin was $292 for a return flight and $89 for a one-way flight.

• Does Southwest fly direct to Austin from Ontario?

  Yes, Southwest does offer direct flights for the route, with around 7 flights per week.

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

  On average, the cheapest day of the week to fly from Ontario to Austin with Southwest is Tuesday, when prices are around $118. The most expensive day is generally Sunday, where the average price is around $143.

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

  The cheapest month for Southwest flights to Austin from Ontario is generally August, where plane tickets cost $141 on average. If possible, try to avoid the most expensive months of October and November, where tickets cost $269 and $291 respectively.