Which airlines fly to Sydney?

Qantas Airways, United Airlines and Delta are the top three most popular airlines that fly to Sydney from Atlanta according to our data. Qantas Airways is the first choice among our users, with 55% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 3 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to Sydney Kingsford Smith Airport?

Prices for flights from Atlanta Hartsfield-Jackson Airport to Sydney Kingsford Smith Airport are updated daily.

How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to Sydney Kingsford Smith Airport?

The number of operators available for flights from Atlanta Hartsfield-Jackson Airport to Sydney Kingsford Smith Airport is 3 as of December 2025.

How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to Sydney Kingsford Smith Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Atlanta Hartsfield-Jackson Airport to Sydney Kingsford Smith Airport.

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

The required travel and health documents for your Sydney Kingsford Smith 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 Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$426 Cheap Flights from Atlanta to Sydney in 2025/26

1 adult

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Find the cheapest flights from Atlanta to Sydney

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15:55 - 09:20

ATL

SYD

25h 25m2 stops

14:05 - 19:22

SYD

ATL

21h 17m1 stop

$1,312Qantas Airways

Fri, 13 Feb - Thu, 26 Feb

18:43 - 10:55

ATL

SYD

24h 12m2 stops

14:05 - 17:45

SYD

ATL

19h 40m1 stop

$1,338Qantas Airways

Mon, 2 Feb - Wed, 11 Feb

18:43 - 10:55

ATL

SYD

24h 12m2 stops

14:05 - 19:56

SYD

ATL

21h 51m1 stop

$1,346Qantas Airways

Mon, 2 Feb - Fri, 20 Feb

10:30 - 12:35

ATL

SYD

34h 05m2 stops

06:00 - 05:45

SYD

ATL

39h 45m2 stops

$1,420Multiple Airlines

Wed, 4 Feb - Wed, 11 Feb

14:55 - 13:00

ATL

SYD

30h 05m2 stops

13:05 - 19:22

SYD

ATL

21h 17m1 stop

$1,444Qantas Airways

Fri, 30 Jan - Sun, 15 Mar

14:55 - 13:00

ATL

SYD

30h 05m2 stops

14:05 - 19:56

SYD

ATL

21h 51m1 stop

$1,445Qantas Airways

Fri, 30 Jan - Fri, 20 Feb

16:02 - 09:50

ATL

SYD

26h 48m2 stops

13:05 - 22:16

SYD

ATL

24h 11m1 stop

$1,480Qantas Airways

Wed, 11 Mar - Mon, 23 Mar

16:02 - 10:20

ATL

SYD

27h 18m2 stops

13:05 - 19:22

SYD

ATL

21h 17m1 stop

$1,531Qantas Airways

Wed, 11 Mar - Thu, 26 Mar

14:13 - 06:55

ATL

SYD

24h 42m1 stop

06:30 - 19:22

SYD

ATL

28h 52m2 stops

$1,551Qantas Airways

Fri, 20 Feb - Fri, 6 Mar

10:35 - 12:35

ATL

SYD

34h 00m2 stops

14:00 - 06:08

SYD

ATL

32h 08m2 stops

$1,577Multiple Airlines

Wed, 11 Feb - Thu, 26 Feb

Qantas Airways flights from Atlanta to Sydney

Our best Qantas Airways deals on Atlanta to Sydney flight tickets

Qantas Airways

13 Feb

ATL15:55Atlanta Hartsfield-Jackson

25h 25m

2 stops

SYD09:20Sydney Kingsford Smith

26 Feb

SYD14:05Sydney Kingsford Smith

21h 17m

1 stop

ATL19:22Atlanta Hartsfield-Jackson

$1,312

Find similar

Qantas Airways

2 Feb

ATL18:43Atlanta Hartsfield-Jackson

24h 12m

2 stops

SYD10:55Sydney Kingsford Smith

11 Feb

SYD14:05Sydney Kingsford Smith

19h 40m

1 stop

ATL17:45Atlanta Hartsfield-Jackson

$1,338

Find similar

Qantas Airways

2 Feb

ATL18:43Atlanta Hartsfield-Jackson

24h 12m

2 stops

SYD10:55Sydney Kingsford Smith

20 Feb

SYD14:05Sydney Kingsford Smith

21h 51m

1 stop

ATL19:56Atlanta Hartsfield-Jackson

$1,346

Find similar

Air Canada flights from Atlanta to Sydney

Our best Air Canada deals on Atlanta to Sydney flight tickets

Air Canada

8 Feb

ATL12:55Atlanta Hartsfield-Jackson

28h 40m

2 stops

SYD09:35Sydney Kingsford Smith

10 Mar

SYD10:20Sydney Kingsford Smith

26h 33m

2 stops

ATL21:53Atlanta Hartsfield-Jackson

$1,593

Find similar

Air Canada

8 Apr

ATL12:55Atlanta Hartsfield-Jackson

28h 25m

2 stops

SYD07:20Sydney Kingsford Smith

29 Apr

SYD09:20Sydney Kingsford Smith

40h 22m

2 stops

ATL11:42Atlanta Hartsfield-Jackson

$1,598

Find similar

Air Canada

8 Feb

ATL12:55Atlanta Hartsfield-Jackson

28h 40m

2 stops

SYD09:35Sydney Kingsford Smith

10 Mar

SYD10:20Sydney Kingsford Smith

50h 33m

3 stops

ATL21:53Atlanta Hartsfield-Jackson

$1,602

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 13/2

15:55-09:20

2 stops25h 25m

Sydney Kingsford Smith

Thu 26/2

14:05-19:22

1 stop21h 17m

$1,312

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mon 2/2

18:43-10:55

2 stops24h 12m

Sydney Kingsford Smith

Wed 11/2

14:05-17:45

1 stop19h 40m

$1,338

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mon 2/2

18:43-10:55

2 stops24h 12m

Sydney Kingsford Smith

Fri 20/2

14:05-19:56

1 stop21h 51m

$1,346

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 4/2

10:30-12:35

2 stops34h 05m

Sydney Kingsford Smith

Wed 11/2

06:00-05:45

2 stops39h 45m

$1,420

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 30/1

14:55-13:00

2 stops30h 05m

Sydney Kingsford Smith

Sun 15/3

13:05-19:22

1 stop21h 17m

$1,444

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 30/1

14:55-13:00

2 stops30h 05m

Sydney Kingsford Smith

Fri 20/2

14:05-19:56

1 stop21h 51m

$1,445

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 11/3

16:02-09:50

2 stops26h 48m

Sydney Kingsford Smith

Mon 23/3

13:05-22:16

1 stop24h 11m

$1,480

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 11/3

16:02-10:20

2 stops27h 18m

Sydney Kingsford Smith

Thu 26/3

13:05-19:22

1 stop21h 17m

$1,531

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 20/2

14:13-06:55

1 stop24h 42m

Sydney Kingsford Smith

Fri 6/3

06:30-19:22

2 stops28h 52m

$1,551

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 11/2

10:35-12:35

2 stops34h 00m

Sydney Kingsford Smith

Thu 26/2

14:00-06:08

2 stops32h 08m

$1,577

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Atlanta 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

Prices

Airlines

What is the cheapest month to fly to Sydney?

The month of March is, on average, the cheapest month to fly to Sydney from Atlanta, with most prices found around $1,336. If you aren’t able to travel to Sydney during the month of March, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,358.

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

Our data shows that Monday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,764. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $2,605.

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 afternoon. momondo users have found flights departing from Atlanta to Sydney in the afternoon for as low as $1,812. 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 $2,596 on average. Flights to Sydney from Atlanta 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 Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,599 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Atlanta for as low as $1,483 on momondo.

How have Atlanta to Sydney flight prices changed over time?

As of December 2025, prices for Atlanta to Sydney flights are approximately 64% cheaper when compared to flights at the same time last year.

When to book flights from Atlanta to Sydney

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

Estimated return price

Cheap Atlanta to Sydney (ATL to SYD) flight deals and tips

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

Fastest flight time	22h 05m
Direct flights	None

The fastest flight from Atlanta to Sydney takes 22h 05m

There are no direct flights from Atlanta to Sydney. There are no popular flight routes from Atlanta to Sydney.

Search flight deals

How far is Atlanta Hartsfield-Jackson to Sydney Kingsford Smith by plane?
The straight-line distance from Atlanta Hartsfield-Jackson to Sydney Kingsford Smith is 14934.9 km. In terms of flight time, this usually takes a little over 22h 05m.
When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to Sydney Kingsford Smith Airport?
Prices for flights from Atlanta Hartsfield-Jackson Airport to Sydney Kingsford Smith Airport are updated daily.
How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to Sydney Kingsford Smith Airport?
The number of operators available for flights from Atlanta Hartsfield-Jackson Airport to Sydney Kingsford Smith Airport is 3 as of December 2025.
How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Atlanta Hartsfield-Jackson Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith 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 Sydney Kingsford Smith 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 Atlanta to Sydney?
momondo data reveals that the most frequently booked airline on the route from Atlanta to Sydney is Qantas Airways, representing 55% of all bookings. The subsequent popular airlines are United Airlines at 24% and Delta at 22%.

Best airlines flying from Atlanta to Sydney

Compare and see reviews for airlines that fly from Atlanta to Sydney with momondo

Airline	Rating	Free cancellation	Price
United Airlines	PriceFrom $1,262	Free cancellation	Rating 7.4 9,102 reviews	Search United Airlines flights
Delta	PriceFrom $1,295	Free cancellation	Rating 7.9 8,015 reviews	Search Delta flights
Qantas Airways	PriceFrom $1,367	Free cancellation	Rating 7.5 948 reviews	Search Qantas Airways flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Leura

Manly

Bondi Beach

Coogee

Cronulla

Randwick

Charlestown

Newport

Swansea

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Atlanta to Sydney for you.

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

Yes. momondo enables you to select and highlight flights to Sydney from Atlanta with this policy.

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

momondo provides multiple filters to help you find the best flight to Sydney from Atlanta. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Atlanta and alert you when they change.