Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Sydney to Austin from $719

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 16/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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.
Search flight deals

Find the cheapest flights from Sydney to Austin

Cheap return flights

Air Canada Logo
10:20 - 19:55SYD-AUS
49h 35m2 stops
Air Canada Logo
08:40 - 08:20AUS-SYD
31h 40m1 stop
$1,127Air Canada
Find Deal
Sun, 5 Oct - Tue, 21 Oct
Air Canada Logo
11:20 - 12:19SYD-AUS
41h 59m2 stops
Air Canada Logo
13:05 - 09:35AUS-SYD
51h 30m2 stops
$1,147Air Canada
Find Deal
Sun, 9 Nov - Mon, 17 Nov
Air Canada Logo
10:20 - 20:11SYD-AUS
25h 51m1 stop
Air Canada Logo
08:40 - 08:20AUS-SYD
31h 40m1 stop
$1,153Air Canada
Find Deal
Sun, 5 Oct - Tue, 21 Oct
Air Canada Logo
10:20 - 19:55SYD-AUS
49h 35m2 stops
Air Canada Logo
08:40 - 12:40AUS-SYD
36h 00m2 stops
$1,156Air Canada
Find Deal
Sun, 5 Oct - Tue, 21 Oct
American Airlines Logo
11:20 - 23:58SYD-AUS
28h 38m1 stop
American Airlines Logo
06:42 - 09:00AUS-SYD
33h 18m1 stop
$1,250American Airlines
Find Deal
Thu, 30 Oct - Thu, 6 Nov
American Airlines Logo
11:20 - 16:41SYD-AUS
22h 21m2 stops
American Airlines Logo
20:15 - 09:00AUS-SYD
19h 45m1 stop
$1,252American Airlines
Find Deal
Sun, 9 Nov - Mon, 17 Nov
United Airlines Logo
12:10 - 22:59SYD-AUS
26h 49m2 stops
United Airlines Logo
15:11 - 09:05AUS-SYD
24h 54m2 stops
$1,253United Airlines
Find Deal
Thu, 30 Oct - Thu, 6 Nov
United Airlines Logo
12:10 - 21:06SYD-AUS
24h 56m2 stops
United Airlines Logo
17:59 - 07:00AUS-SYD
20h 01m1 stop
$1,261United Airlines
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Delta Logo
09:25 - 21:12SYD-AUS
26h 47m1 stop
Delta Logo
16:00 - 07:35AUS-SYD
23h 35m1 stop
$2,047Delta
Find Deal
Sat, 20 Sep - Sat, 4 Oct
Virgin Australia Logo
10:20 - 18:37SYD-AUS
23h 17m1 stop
Virgin Australia Logo
16:44 - 08:00AUS-SYD
23h 16m1 stop
$2,329Virgin Australia
Find Deal
Wed, 24 Sep - Tue, 7 Oct

Air Tahiti Nui flights from Sydney to Austin

Our best Air Tahiti Nui deals on Sydney to Austin flight tickets
Air Tahiti Nui
24 Sept
SYD19:25Sydney Kingsford Smith
43h 25m
2 stops
AUS23:50Austin Bergstrom
7 Oct
AUS18:11Austin Bergstrom
45h 34m
3 stops
SYD07:45Sydney Kingsford Smith
$3,237
Find similar
Air Tahiti Nui
24 Sept
SYD19:25Sydney Kingsford Smith
43h 25m
3 stops
AUS23:50Austin Bergstrom
7 Oct
AUS18:11Austin Bergstrom
45h 34m
3 stops
SYD07:45Sydney Kingsford Smith
$3,314
Find similar

United Airlines flights from Sydney to Austin

Our best United Airlines deals on Sydney to Austin flight tickets
United Airlines
30 Oct
SYD12:10Sydney Kingsford Smith
26h 49m
2 stops
AUS22:59Austin Bergstrom
6 Nov
AUS15:11Austin Bergstrom
24h 54m
2 stops
SYD09:05Sydney Kingsford Smith
$1,253
Find similar
United Airlines
30 Oct
SYD12:10Sydney Kingsford Smith
24h 56m
2 stops
AUS21:06Austin Bergstrom
6 Nov
AUS17:59Austin Bergstrom
20h 01m
1 stop
SYD07:00Sydney Kingsford Smith
$1,261
Find similar
United Airlines
20 Sept
SYD10:20Sydney Kingsford Smith
26h 00m
2 stops
AUS21:20Austin Bergstrom
4 Oct
AUS12:12Austin Bergstrom
27h 48m
2 stops
SYD08:00Sydney Kingsford Smith
$1,277
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Sydney to Austin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from Sydney to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Sun 5/10

10:20-19:55

2 stops49h 35m

Austin Bergstrom

Tue 21/10

08:40-08:20

1 stop31h 40m

$1,127

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Sun 9/11

11:20-12:19

2 stops41h 59m

Austin Bergstrom

Mon 17/11

13:05-09:35

2 stops51h 30m

$1,147

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Sun 5/10

10:20-20:11

1 stop25h 51m

Austin Bergstrom

Tue 21/10

08:40-08:20

1 stop31h 40m

$1,153

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Sun 5/10

10:20-19:55

2 stops49h 35m

Austin Bergstrom

Tue 21/10

08:40-12:40

2 stops36h 00m

$1,156

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Thu 30/10

11:20-23:58

1 stop28h 38m

Austin Bergstrom

Thu 6/11

06:42-09:00

1 stop33h 18m

$1,250

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Sun 9/11

11:20-16:41

2 stops22h 21m

Austin Bergstrom

Mon 17/11

20:15-09:00

1 stop19h 45m

$1,252

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Thu 30/10

12:10-22:59

2 stops26h 49m

Austin Bergstrom

Thu 6/11

15:11-09:05

2 stops24h 54m

$1,253

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Thu 30/10

12:10-21:06

2 stops24h 56m

Austin Bergstrom

Thu 6/11

17:59-07:00

1 stop20h 01m

$1,261

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Sat 20/9

09:25-21:12

1 stop26h 47m

Austin Bergstrom

Sat 4/10

16:00-07:35

1 stop23h 35m

$2,047

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Wed 24/9

10:20-18:37

1 stop23h 17m

Austin Bergstrom

Tue 7/10

16:44-08:00

1 stop23h 16m

$2,329

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 cheapest month to fly to Austin?

If you’re not able to fly to Austin in May, then October is your next best option. Flight prices from Sydney to Austin during October average around $1,667.

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 $284. Flights from Sydney to Austin on a Monday will generally be more expensive and average around $312. 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 $276. Try not to purchase tickets in the afternoon because they tend to be around $400. 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 weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $1,956 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 $1,433 on momondo.

Can stopping save me money on Sydney to Austin flights?

You could potentially save up to 1% 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 September 2025, prices for Sydney to Austin flights are approximately 52% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to Austin

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Austin according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

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

Direct flights

None
There are no direct flights from Sydney to Austin. There are no popular flight routes from Sydney to Austin.
Search flight deals

  • 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 19h 44m.

  • 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?

  • 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?

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
United AirlinesPriceFrom $1,251Free cancellationRating
7.4
8,929 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,260Free cancellationRating
7.1
10,000 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,519Free cancellationRating
8.0
505 reviews
Search Air New Zealand flights
Qantas AirwaysPriceFrom $1,533Free cancellationRating
7.5
905 reviews
Search Qantas Airways flights
Virgin AustraliaPriceFrom $1,719Free cancellationRating
7.5
416 reviews
Search Virgin Australia flights

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.

An easier way to manage your Austin trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 16/10
Thu 23/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States