Cheap flights from Sydney to Austin from $839
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Austin departing on 15/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Sydney to Austin
Cheap return flights
Cheap one-way flights
ANA flights from Sydney to Austin
Our best ANA deals on Sydney to Austin flight tickets
Air New Zealand flights from Sydney to Austin
Our best Air New Zealand deals on Sydney to Austin flight tickets
See travel insights to Austin from
How to get the cheapest flight ticket from Sydney to Austin
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Sydney and Austin?
What is the cheapest month to fly to Austin?
If you’re not able to fly to Austin in May, then March is your next best option. Flight prices from Sydney to Austin during March average around $1,730.
What is the cheapest day to depart on your flight to Austin?
Our data shows that Saturday is the least expensive day to fly to Austin. Tickets to fly out on this day can be as low as $292. Flights from Sydney to Austin on a Monday will generally be more expensive and average around $320. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Austin?
Our most recent data shows that the best time of day to fly to Austin is in the morning. Flights from Sydney to Austin during this time can be as low as $284. Try not to purchase tickets in the afternoon because they tend to be around $411. Of course, these prices can vary depending on the time of year and what airport you fly to.
How far in advance should I book a flight to Austin?
You are more likely to see cheaper flights to Austin from Sydney when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $2,120 when searching 18 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Sydney for as low as $1,626 on momondo.
Can stopping save me money on Sydney to Austin flights?
You could potentially save up to 41% on your flight if you consider stops on a Sydney to Austin flight.
How have Sydney to Austin flight prices changed over time?
As of June 2025, prices for Sydney to Austin flights are approximately 53% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Sydney Kingsford Smith to Austin Bergstrom?
Air Canada, Delta, and United Airlines are the most popular carriers operating from Sydney Kingsford Smith to Austin Bergstrom
Which airlines fly to Austin?
United Airlines, Qantas Airways and Air Canada 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 53% of people opting to fly with this airline when travelling to Austin. Keep in mind that there are 6 different airlines that fly to Austin on a routine basis, so you have a few additional options to choose from.
When to book flights from Sydney to Austin
Cheap Sydney to Austin (SYD to AUS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Sydney to Austin
How far is Sydney Kingsford Smith to Austin Bergstrom by plane?
A flight from Sydney Kingsford Smith to Austin Bergstrom will travel around 13621.3 km. By plane, this route typically takes 18h 59m.
When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Austin Bergstrom Airport?
Prices for flights from Sydney Kingsford Smith Airport to Austin Bergstrom Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Austin Bergstrom Airport?
There are 6 operators available for flights from Sydney Kingsford Smith Airport to Austin Bergstrom Airport as of June 2025.
How old do you have to be to fly from Sydney Kingsford Smith Airport to Austin Bergstrom Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport to Austin Bergstrom Airport.
What documentation or ID do you need to fly to Austin Bergstrom Airport?
The required travel and health documents for your Austin Bergstrom Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Austin Bergstrom Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Sydney to Austin?
Based on momondo bookings for flights between Sydney and Austin, the leading airline is United Airlines, making up 45% of the total bookings. Other popular airlines include Qantas Airways with 23%, Air Canada with 11%, and Air New Zealand with 11%.
Best airlines flying from Sydney to Austin
Compare and see reviews for airlines that fly from Sydney to Austin with momondo
| Airline | Rating | Free cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $1,294 | Free cancellation | Rating 7.1 9,542 reviews | |||
| PriceFrom $1,402 | Free cancellation | Rating 7.4 8,791 reviews | |||
| PriceFrom $1,490 | Free cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $1,551 | Free cancellation | Rating 8.0 483 reviews | |||
| PriceFrom $1,576 | Free cancellation | Rating 7.5 854 reviews | |||
| PriceFrom $1,765 | Free cancellation | Rating 7.5 407 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Sydney to Austin?
Finding the right flight to Austin from Sydney is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Austin quick and easy, saving you time and money.
Can I find flights from Sydney to Austin with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Austin from Sydney with this policy.
How can momondo help me find flights from Sydney to Austin?
Once you have performed a search for Sydney to Austin flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Sydney to Austin right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Sydney to Austin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.