Cheap flights from Sydney to Austin from $860

If you’re not able to fly to Austin in March, then August is your next best option. Flight prices from Sydney to Austin during August average around $1,435.

You are more likely to see cheaper flights to Austin from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $1,672 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Sydney for as low as $1,404 on momondo.

You could potentially save up to 7% on your flight if you consider stops on a Sydney to Austin flight.

As of June 2026, prices for Sydney to Austin flights are approximately 47% cheaper when compared to flights at the same time last year.

Air Canada, United Airlines, and Delta are the most popular carriers operating from Sydney Kingsford Smith to Austin Bergstrom

United Airlines, Qantas Airways and American Airlines are the top three most popular airlines that fly to Austin from Sydney according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when travelling to Austin. Keep in mind that there are 4 different airlines that fly to Austin on a routine basis, so you have a few additional options to choose from.

Historically, on average around 20% of flights between Sydney and Austin have experienced a delay on any given week. The average delay length over the past 12 months has been 89 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, Qantas Airways have had the fewest delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

Los Angeles (LAX) was the most common stop: 83% of momondo users choosing one-stop flights on this route connected there.

Flights via Houston (IAH) offer the lowest average return price of $1,892.

Flights connecting via Houston (IAH) have the shortest average one-way travel time: 18h 19m.

Houston (IAH) has the shortest average stopover time for this route: 1h 23m.