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Cheap flights from Austin to Sydney from $856

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Sydney departing on 17/5. 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

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Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from Austin to Sydney.
Fiji Airways Logo
20:15 - 22:10AUS-SYD
34h 55m2 stops
Fiji Airways Logo
13:15 - 19:04SYD-AUS
20h 49m2 stops
$1,721Fiji Airways
Find Deal
Thu, 15 May - Thu, 22 May
Fiji Airways Logo
20:29 - 12:15AUS-SYD
24h 46m2 stops
Fiji Airways Logo
13:15 - 19:04SYD-AUS
20h 49m2 stops
$1,747Fiji Airways
Find Deal
Thu, 1 May - Tue, 13 May
 Logo
20:11 - 15:20AUS-SYD
28h 09m2 stops
 Logo
16:20 - 23:37SYD-AUS
22h 17m2 stops
$1,769
Find Deal
Thu, 3 Jul - Wed, 23 Jul
Air Canada Logo
10:00 - 07:20AUS-SYD
30h 20m2 stops
Air Canada Logo
09:20 - 10:40SYD-AUS
40h 20m2 stops
$1,919Air Canada
Find Deal
Sun, 18 May - Tue, 27 May
Air Canada Logo
10:00 - 07:20AUS-SYD
30h 20m2 stops
Air Canada Logo
09:20 - 10:29SYD-AUS
40h 09m2 stops
$1,921Air Canada
Find Deal
Fri, 16 May - Wed, 18 Jun
 Logo
14:15 - 07:20AUS-SYD
26h 05m2 stops
 Logo
09:20 - 10:35SYD-AUS
40h 15m2 stops
$1,943
Find Deal
Sun, 24 Aug - Wed, 3 Sep
American Airlines Logo
20:50 - 07:05AUS-SYD
19h 15m1 stop
American Airlines Logo
09:10 - 12:59SYD-AUS
18h 49m1 stop
$2,301American Airlines
Find Deal
Sun, 15 Jun - Tue, 24 Jun
American Airlines Logo
18:45 - 07:05AUS-SYD
21h 20m2 stops
American Airlines Logo
09:10 - 15:55SYD-AUS
21h 45m2 stops
$2,307American Airlines
Find Deal
Sun, 15 Jun - Tue, 24 Jun
Air New Zealand Logo
19:43 - 08:45AUS-SYD
22h 02m2 stops
Air New Zealand Logo
10:20 - 18:49SYD-AUS
23h 29m1 stop
$2,320Air New Zealand
Find Deal
Sun, 1 Jun - Mon, 30 Jun
Air New Zealand Logo
19:50 - 06:55AUS-SYD
20h 05m1 stop
Air New Zealand Logo
18:20 - 19:52SYD-AUS
40h 32m2 stops
$2,430Air New Zealand
Find Deal
Fri, 6 Jun - Sat, 21 Jun

Fiji Airways flights from Austin to Sydney

Our best Fiji Airways deals on Austin to Sydney flight tickets
Fiji Airways
15 May
AUS20:15Austin Bergstrom
34h 55m
2 stops
SYD22:10Sydney Kingsford Smith
22 May
SYD13:15Sydney Kingsford Smith
20h 49m
2 stops
AUS19:04Austin Bergstrom
Fiji Airways
1 May
AUS20:29Austin Bergstrom
24h 46m
2 stops
SYD12:15Sydney Kingsford Smith
13 May
SYD13:15Sydney Kingsford Smith
20h 49m
2 stops
AUS19:04Austin Bergstrom
Fiji Airways
18 Sept
AUS20:35Austin Bergstrom
24h 40m
2 stops
SYD12:15Sydney Kingsford Smith
25 Sept
SYD13:15Sydney Kingsford Smith
20h 48m
2 stops
AUS19:03Austin Bergstrom

Air Canada flights from Austin to Sydney

Our best Air Canada deals on Austin to Sydney flight tickets
Air Canada
18 May
AUS10:00Austin Bergstrom
30h 20m
2 stops
SYD07:20Sydney Kingsford Smith
27 May
SYD09:20Sydney Kingsford Smith
40h 20m
2 stops
AUS10:40Austin Bergstrom
Air Canada
16 May
AUS10:00Austin Bergstrom
30h 20m
2 stops
SYD07:20Sydney Kingsford Smith
18 June
SYD09:20Sydney Kingsford Smith
40h 09m
2 stops
AUS10:29Austin Bergstrom
Air Canada
19 Sept
AUS08:30Austin Bergstrom
31h 50m
1 stop
SYD07:20Sydney Kingsford Smith
28 Sept
SYD09:20Sydney Kingsford Smith
25h 11m
1 stop
AUS19:31Austin Bergstrom

See travel insights to Sydney from

How to get the cheapest flight ticket from Austin to Sydney

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 Austin and Sydney?

What is the cheapest month to fly to Sydney?

The month of September is, on average, the cheapest month to fly to Sydney from Austin, with most prices found around $1,576. If you aren’t able to travel to Sydney during the month of September, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $1,985.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Friday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $363. The most expensive day to fly to Sydney is Tuesday, with ticket prices averaging around $643.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the evening. momondo users have found flights departing from Austin to Sydney in the evening for as low as $323. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $604 on average. Flights to Sydney from Austin in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Austin when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,266 when searching 18 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Austin for as low as $1,675 on momondo.

How have Austin to Sydney flight prices changed over time?

As of April 2025, prices for Austin to Sydney flights are approximately 23% cheaper when compared to flights at the same time last year.

When to book flights from Austin to Sydney

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

Cheap Austin to Sydney (AUS to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to Sydney

Best price found

$856

Fastest flight time

19h 15m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Austin in the past 72 hours is $856. The best return flight deal from Austin to Sydney found on momondo in the last 72 hours is $1,721.
The fastest flight from Austin to Sydney takes 19h 15m
There are no direct flights from Austin to Sydney. Popular non-direct route for this connection is Austin Bergstrom Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

  • How far is Austin Bergstrom to Sydney Kingsford Smith by plane?

    A flight from Austin Bergstrom to Sydney Kingsford Smith will travel around 13621.3 km. Flights usually cover this in 19h 15m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Austin Bergstrom Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Austin Bergstrom Airport to Sydney Kingsford Smith Airport were last updated today.

  • How old do you have to be to fly from Austin Bergstrom Airport to Sydney Kingsford Smith 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 Austin Bergstrom Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Terrigal
Lithgow
Penrith
Leura
Manly
Coogee
Cronulla
Bondi Beach
Randwick
Charlestown
Newport
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Austin to Sydney?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Austin to Sydney. momondo saves you time and could save you money on your trip.

Can I find flights from Austin to Sydney with flexible booking policies on momondo?

Yes. All flights to Sydney from Austin on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Austin to Sydney?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Austin.

I’m not ready to book a flight from Austin to Sydney right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Austin to Sydney flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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