What is the cheapest airline that flies from Atlanta Hartsfield-Jackson to Sydney Kingsford Smith?

Delta and United Airlines are the most popular carriers operating from Atlanta Hartsfield-Jackson to Sydney Kingsford Smith

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 2 as of March 2026.

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.

$669 Cheap Flights from Atlanta to Sydney in 2026

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Find the cheapest flights from Atlanta to Sydney

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

18:40 - 06:55

ATL

SYD

22h 15m

1 stop

12:00 - 21:58

SYD

ATL

23h 58m

1 stop

$1,530Qantas Airways

Mon, 13 Apr - Mon, 27 Apr

17:42 - 07:05

ATL

SYD

23h 23m

1 stop

12:00 - 17:34

SYD

ATL

19h 34m

1 stop

$1,544Qantas Airways

Tue, 5 May - Tue, 12 May

19:12 - 06:55

ATL

SYD

21h 43m

1 stop

10:20 - 18:09

SYD

ATL

21h 49m

1 stop

$1,558United Airlines

Wed, 6 May - Wed, 13 May

15:57 - 07:00

ATL

SYD

25h 03m

2 stops

10:20 - 22:45

SYD

ATL

26h 25m

2 stops

$1,565United Airlines

Sun, 26 Apr - Tue, 12 May

15:57 - 07:00

ATL

SYD

25h 03m

2 stops

09:30 - 21:57

SYD

ATL

26h 27m

2 stops

$1,567United Airlines

Sun, 26 Apr - Tue, 12 May

19:12 - 06:55

ATL

SYD

21h 43m

1 stop

09:30 - 23:59

SYD

ATL

28h 29m

2 stops

$1,570United Airlines

Sun, 10 May - Wed, 20 May

19:12 - 06:55

ATL

SYD

21h 43m

1 stop

09:30 - 23:15

SYD

ATL

27h 45m

2 stops

$1,571United Airlines

Sun, 10 May - Wed, 20 May

15:57 - 07:00

ATL

SYD

25h 03m

2 stops

09:30 - 17:55

SYD

ATL

22h 25m

2 stops

$1,577United Airlines

Sun, 10 May - Wed, 20 May

22:50 - 06:50

ATL

SYD

42h 00m

1 stop

09:15 - 15:38

SYD

ATL

20h 23m

1 stop

$1,585Delta

Sat, 9 May - Mon, 25 May

18:50 - 06:50

ATL

SYD

22h 00m

1 stop

09:15 - 06:08

SYD

ATL

34h 53m

1 stop

$1,587Delta

Sun, 19 Apr - Sun, 26 Apr

United Airlines flights from Atlanta to Sydney

Our best United Airlines deals on Atlanta to Sydney flight tickets

United Airlines

6 May

ATL16:35Atlanta Hartsfield-Jackson

24h 25m

2 stops

SYD07:00Sydney Kingsford Smith

13 May

SYD10:20Sydney Kingsford Smith

23h 01m

2 stops

ATL19:21Atlanta Hartsfield-Jackson

$1,558

United Airlines

26 Apr

ATL15:57Atlanta Hartsfield-Jackson

25h 03m

2 stops

SYD07:00Sydney Kingsford Smith

12 May

SYD10:20Sydney Kingsford Smith

26h 25m

2 stops

ATL22:45Atlanta Hartsfield-Jackson

$1,565

United Airlines

26 Apr

ATL19:12Atlanta Hartsfield-Jackson

21h 43m

1 stop

SYD06:55Sydney Kingsford Smith

12 May

SYD10:20Sydney Kingsford Smith

21h 49m

1 stop

ATL18:09Atlanta Hartsfield-Jackson

$1,567

Delta flights from Atlanta to Sydney

Our best Delta deals on Atlanta to Sydney flight tickets

Delta

9 May

ATL22:50Atlanta Hartsfield-Jackson

42h 00m

1 stop

SYD06:50Sydney Kingsford Smith

25 May

SYD09:15Sydney Kingsford Smith

20h 23m

1 stop

ATL15:38Atlanta Hartsfield-Jackson

$1,585

Delta

19 Apr

ATL18:50Atlanta Hartsfield-Jackson

22h 00m

1 stop

SYD06:50Sydney Kingsford Smith

26 Apr

SYD09:15Sydney Kingsford Smith

34h 53m

1 stop

ATL06:08Atlanta Hartsfield-Jackson

$1,587

Delta

9 May

ATL22:50Atlanta Hartsfield-Jackson

42h 00m

1 stop

SYD06:50Sydney Kingsford Smith

24 May

SYD09:15Sydney Kingsford Smith

35h 45m

2 stops

ATL07:00Atlanta Hartsfield-Jackson

$1,593

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mon 13/4

18:40-06:55

1 stop22h 15m

Sydney Kingsford Smith

Mon 27/4

12:00-21:58

1 stop23h 58m

$1,530

Fastest return journey

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Tue 5/5

17:42-07:05

1 stop23h 23m

Sydney Kingsford Smith

Tue 12/5

12:00-17:34

1 stop19h 34m

$1,544

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 6/5

19:12-06:55

1 stop21h 43m

Sydney Kingsford Smith

Wed 13/5

10:20-18:09

1 stop21h 49m

$1,558

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 26/4

15:57-07:00

2 stops25h 03m

Sydney Kingsford Smith

Tue 12/5

10:20-22:45

2 stops26h 25m

$1,565

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 26/4

15:57-07:00

2 stops25h 03m

Sydney Kingsford Smith

Tue 12/5

09:30-21:57

2 stops26h 27m

$1,567

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 10/5

19:12-06:55

1 stop21h 43m

Sydney Kingsford Smith

Wed 20/5

09:30-23:59

2 stops28h 29m

$1,570

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 10/5

19:12-06:55

1 stop21h 43m

Sydney Kingsford Smith

Wed 20/5

09:30-23:15

2 stops27h 45m

$1,571

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 10/5

15:57-07:00

2 stops25h 03m

Sydney Kingsford Smith

Wed 20/5

09:30-17:55

2 stops22h 25m

$1,577

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sat 9/5

22:50-06:50

1 stop42h 00m

Sydney Kingsford Smith

Mon 25/5

09:15-15:38

1 stop20h 23m

$1,585

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 19/4

18:50-06:50

1 stop22h 00m

Sydney Kingsford Smith

Sun 26/4

09:15-06:08

1 stop34h 53m

$1,587

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 September is, on average, the cheapest month to fly to Sydney from Atlanta, with most prices found around $1,285. If you aren’t able to travel to Sydney during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,351.

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 $1,680 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 $1,467 on momondo.

How have Atlanta to Sydney flight prices changed over time?

As of March 2026, prices for Atlanta to Sydney flights are approximately 10% more expensive 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	21h 43m
Direct flights	None

The fastest flight from Atlanta to Sydney takes 21h 43m

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 21h 43m.
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 2 as of March 2026.
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 73% of all bookings. The subsequent popular airline is Delta at 27%.

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
Delta	PriceFrom $1,224	Free cancellation	Rating 7.9 8,317 reviews		Search Delta flights
Qantas Airways	PriceFrom $1,292	Free cancellation	Rating 7.5 1,009 reviews		Search Qantas Airways flights

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Penrith

Katoomba

Lithgow

Manly

Leura

Coogee

Bondi Beach

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.