Which layover airport has the shortest travel time from Atlanta to Sydney?

Flights connecting via San Francisco (SFO) have the shortest average one-way travel time: 21h 16m.

Which layover airport offers the lowest fares from Atlanta to Sydney?

Flights via Nadi (NAN) offer the lowest average round-trip price of $829.

What airlines fly to Sydney?

Delta, Qantas Airways and United Airlines are the top three most popular airlines that fly to Sydney from Atlanta according to our data. Delta is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 7 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Atlanta and Sydney?

Los Angeles (LAX) was the most common stop: 42% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Atlanta to Sydney?

Houston (IAH) has the shortest average layover time for this route: 2h 12m.

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

Qantas Airways is the most popular carrier 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?

As of April 2026, there are 7 operators available to choose from for flights from Atlanta Hartsfield-Jackson Airport to Sydney Kingsford Smith Airport.

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 layovers 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 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 license, 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.

$504 Cheap Flights from Atlanta to Sydney in 2026

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One-way

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7:35 am - 11:50 am

ATL

SYD

38h 15m

3 stops

1:15 pm - 6:15 am

SYD

ATL

31h 00m

3 stops

$1,086Multiple Airlines

Fr, Mai 29 - Fr, Jun 5

8:45 am - 11:50 am

ATL

SYD

37h 05m

3 stops

1:15 pm - 3:09 pm

SYD

ATL

39h 54m

3 stops

$1,146Multiple Airlines

Do, Mai 7 - So, Mai 17

4:40 pm - 7:05 am

ATL

SYD

24h 25m

1 stop

12:00 pm - 5:34 pm

SYD

ATL

19h 34m

1 stop

$1,160Qantas Airways

Mi, Mai 6 - Mi, Mai 13

4:56 pm - 7:05 am

ATL

SYD

24h 09m

1 stop

12:00 pm - 7:02 pm

SYD

ATL

21h 02m

1 stop

$1,167Qantas Airways

Mi, Mai 27 - Mi, Jun 3

4:56 pm - 7:05 am

ATL

SYD

24h 09m

1 stop

12:00 pm - 7:02 pm

SYD

ATL

21h 02m

1 stop

$1,171Qantas Airways

So, Mai 24 - So, Jun 7

4:56 pm - 7:05 am

ATL

SYD

24h 09m

1 stop

12:00 pm - 7:02 pm

SYD

ATL

21h 02m

1 stop

$1,172Qantas Airways

So, Mai 24 - So, Jun 7

8:04 pm - 6:55 am

ATL

SYD

20h 51m

1 stop

12:00 pm - 7:02 pm

SYD

ATL

21h 02m

1 stop

$1,173Qantas Airways

So, Mai 17 - Mo, Mai 25

8:55 am - 6:50 am

ATL

SYD

31h 55m

1 stop

9:15 am - 8:35 pm

SYD

ATL

25h 20m

1 stop

$1,183Delta

Di, Mai 5 - Di, Mai 12

7:12 pm - 6:55 am

ATL

SYD

21h 43m

1 stop

10:20 am - 4:54 pm

SYD

ATL

20h 34m

1 stop

$1,184United Airlines

So, Mai 17 - Mo, Mai 25

5:33 pm - 7:05 am

ATL

SYD

23h 32m

1 stop

12:00 pm - 7:22 pm

SYD

ATL

21h 22m

1 stop

$1,187Qantas Airways

So, Aug 9 - So, Aug 16

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United Airlines flights from Atlanta to Sydney

Our best United Airlines deals on Atlanta to Sydney flight tickets

United Airlines

May 17

ATL7:12 pmAtlanta Hartsfield-Jackson

21h 43m

1 stop

SYD6:55 amSydney Kingsford Smith

May 25

SYD10:20 amSydney Kingsford Smith

20h 34m

1 stop

ATL4:54 pmAtlanta Hartsfield-Jackson

$1,184

United Airlines

May 17

ATL3:57 pmAtlanta Hartsfield-Jackson

25h 03m

2 stops

SYD7:00 amSydney Kingsford Smith

May 25

SYD9:30 amSydney Kingsford Smith

29h 00m

2 stops

ATL12:30 amAtlanta Hartsfield-Jackson

$1,189

United Airlines

Apr 19

ATL7:12 pmAtlanta Hartsfield-Jackson

21h 43m

1 stop

SYD6:55 amSydney Kingsford Smith

May 5

SYD9:30 amSydney Kingsford Smith

25h 51m

2 stops

ATL9:21 pmAtlanta Hartsfield-Jackson

$1,190

Qantas Airways flights from Atlanta to Sydney

Our best Qantas Airways deals on Atlanta to Sydney flight tickets

Qantas Airways

May 6

ATL4:40 pmAtlanta Hartsfield-Jackson

24h 25m

1 stop

SYD7:05 amSydney Kingsford Smith

May 13

SYD12:00 pmSydney Kingsford Smith

19h 34m

1 stop

ATL5:34 pmAtlanta Hartsfield-Jackson

$1,160

Qantas Airways

May 27

ATL4:56 pmAtlanta Hartsfield-Jackson

24h 09m

1 stop

SYD7:05 amSydney Kingsford Smith

Jun 3

SYD12:00 pmSydney Kingsford Smith

21h 02m

1 stop

ATL7:02 pmAtlanta Hartsfield-Jackson

$1,167

Qantas Airways

May 24

ATL4:56 pmAtlanta Hartsfield-Jackson

24h 09m

1 stop

SYD7:05 amSydney Kingsford Smith

Jun 7

SYD12:00 pmSydney Kingsford Smith

21h 02m

1 stop

ATL7:02 pmAtlanta Hartsfield-Jackson

$1,171

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fr 5/29

7:35 am-11:50 am

3 stops38h 15m

Sydney Kingsford Smith

Fr 6/5

1:15 pm-6:15 am

3 stops31h 00m

$1,086

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Do 5/7

8:45 am-11:50 am

3 stops37h 05m

Sydney Kingsford Smith

So 5/17

1:15 pm-3:09 pm

3 stops39h 54m

$1,146

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mi 5/6

4:40 pm-7:05 am

1 stop24h 25m

Sydney Kingsford Smith

Mi 5/13

12:00 pm-5:34 pm

1 stop19h 34m

$1,160

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mi 5/27

4:56 pm-7:05 am

1 stop24h 09m

Sydney Kingsford Smith

Mi 6/3

12:00 pm-7:02 pm

1 stop21h 02m

$1,167

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

So 5/24

4:56 pm-7:05 am

1 stop24h 09m

Sydney Kingsford Smith

So 6/7

12:00 pm-7:02 pm

1 stop21h 02m

$1,171

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

So 5/24

4:56 pm-7:05 am

1 stop24h 09m

Sydney Kingsford Smith

So 6/7

12:00 pm-7:02 pm

1 stop21h 02m

$1,172

Quickest round-trip

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

So 5/17

8:04 pm-6:55 am

1 stop20h 51m

Sydney Kingsford Smith

Mo 5/25

12:00 pm-7:02 pm

1 stop21h 02m

$1,173

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Di 5/5

8:55 am-6:50 am

1 stop31h 55m

Sydney Kingsford Smith

Di 5/12

9:15 am-8:35 pm

1 stop25h 20m

$1,183

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

So 5/17

7:12 pm-6:55 am

1 stop21h 43m

Sydney Kingsford Smith

Mo 5/25

10:20 am-4:54 pm

1 stop20h 34m

$1,184

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

So 8/9

5:33 pm-7:05 am

1 stop23h 32m

Sydney Kingsford Smith

So 8/16

12:00 pm-7:22 pm

1 stop21h 22m

$1,187

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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

Layovers

What is the typical price of a round-trip flight between Atlanta and Sydney?

What is the cheapest month to fly to Sydney?

In general, September is the cheapest month to fly from Atlanta to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $893. If you are unable to visit Sydney during the month of September, then departing from Atlanta during the month August is also very affordable. Most momondo users find prices during this month for around $943.

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 $1,196 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Atlanta for as low as $1,057 on momondo.

Can stopping save me money on Atlanta to Sydney flights?

You could potentially save up to 7% on your flight if you consider stops on a Atlanta to Sydney flight.

How have Atlanta to Sydney flight prices changed over time?

As of April 2026, prices for Atlanta to Sydney flights are approximately 38% 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 round-trip 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 03m
Direct flights	None

The fastest flight from Atlanta to Sydney takes 21h 03m

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

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Frequently asked questions about flying from Atlanta to Sydney

How far is Atlanta Hartsfield-Jackson to Sydney Kingsford Smith by plane?
Atlanta Hartsfield-Jackson and Sydney Kingsford Smith are 9280.2 mi apart from one another. By plane, this route typically takes 21h 03m.
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?
As of April 2026, there are 7 operators available to choose from for flights from Atlanta Hartsfield-Jackson Airport to Sydney Kingsford Smith Airport.
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 layovers 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 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 license, 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.
What is the most popular airline from Atlanta to Sydney?
Based on momondo bookings for flights between Atlanta and Sydney, the leading airline is Delta, making up 33% of the total bookings. Other popular airlines include Qantas Airways with 25%, United Airlines with 19%, and American Airlines with 13%.

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
Air Canada	PriceFrom $467	Free Cancellation	Rating 7.1 10,932 reviews	Search Air Canada flights
Delta	PriceFrom $532	Free Cancellation	Rating 7.9 8,409 reviews	Search Delta flights
Fiji Airways	PriceFrom $686	Free Cancellation	Rating 8.1 240 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $791	Free Cancellation	Rating 7.5 1,019 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $830	Free Cancellation	Rating 7.4 9,602 reviews	Search United Airlines flights
American Airlines	PriceFrom $867	Free Cancellation	Rating 7.1 11,593 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,175	Free Cancellation	Rating 8.0 627 reviews	Search Air New Zealand flights

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Why use momondo?

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

It is quick and easy to find Atlanta to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

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

Yes. momondo allows you to filter the results for Atlanta to Sydney flights to just show those with flexible booking policies.

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?

Yes. momondo can track prices for Atlanta to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Atlanta to Sydney from $504

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Atlanta to Sydney departing on 4/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Atlanta to Sydney

What is the typical price of a round-trip flight between Atlanta and Sydney?

What is the cheapest month to fly to Sydney?

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

Can stopping save me money on Atlanta to Sydney flights?

How have Atlanta to Sydney flight prices changed over time?

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

What airlines fly to Sydney?

Which airport is the most popular layover for flights between Atlanta and Sydney?

Which layover airport offers the lowest fares from Atlanta to Sydney?

Which layover airport has the shortest travel time from Atlanta to Sydney?

Which layover airport has the shortest connection time from Atlanta to Sydney?

When to book flights from Atlanta to Sydney

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

Direct flights

Frequently asked questions about flying from Atlanta to Sydney

Best airlines flying from Atlanta to Sydney

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

Traveling to a place near Sydney?

Why use momondo?

An easier way to manage your Sydney trip

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List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

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