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.

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

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

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

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

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.

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

Los Angeles (LAX) was the most common stop: 41% of momondo users choosing 1-stop flights on this route connected there.

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 38% 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.

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 March 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.

$452 Cheap Flights from Atlanta to Sydney in 2026

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Find the cheapest flights from Atlanta to Sydney

Round-trip

One-way

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Cheap round-trip flights

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4:40 pm - 7:30 am

ATL

SYD

24h 50m

1 stop

9:10 am - 4:59 pm

SYD

ATL

21h 49m

1 stop

$895American Airlines

Mon, Apr 13 - Mon, Apr 27

4:36 pm - 7:30 am

ATL

SYD

24h 54m

2 stops

9:10 am - 9:58 pm

SYD

ATL

26h 48m

2 stops

$900American Airlines

Mon, Apr 13 - Mon, Apr 27

4:40 pm - 7:30 am

ATL

SYD

24h 50m

1 stop

9:10 am - 5:18 pm

SYD

ATL

22h 08m

1 stop

$945American Airlines

Sun, May 3 - Sat, May 30

5:42 pm - 7:05 am

ATL

SYD

23h 23m

1 stop

9:10 am - 5:18 pm

SYD

ATL

22h 08m

1 stop

$946American Airlines

Tue, May 19 - Thu, Jun 4

4:40 pm - 7:05 am

ATL

SYD

24h 25m

1 stop

12:00 pm - 9:54 pm

SYD

ATL

23h 54m

2 stops

$950American Airlines

Sun, May 3 - Sat, May 30

4:40 pm - 7:05 am

ATL

SYD

24h 25m

1 stop

9:10 am - 4:59 pm

SYD

ATL

21h 49m

1 stop

$985American Airlines

Thu, Apr 30 - Thu, May 7

5:59 pm - 7:05 am

ATL

SYD

23h 06m

2 stops

12:00 pm - 9:58 pm

SYD

ATL

23h 58m

1 stop

$989American Airlines

Thu, Apr 30 - Thu, May 7

5:31 pm - 7:05 am

ATL

SYD

23h 34m

1 stop

9:10 am - 5:15 pm

SYD

ATL

22h 05m

1 stop

$996American Airlines

Thu, Jun 11 - Thu, Jul 2

4:15 pm - 7:05 am

ATL

SYD

24h 50m

2 stops

9:10 am - 6:44 pm

SYD

ATL

23h 34m

2 stops

$1,000American Airlines

Thu, Jun 11 - Thu, Jul 2

4:35 pm - 7:00 am

ATL

SYD

24h 25m

2 stops

10:20 am - 11:15 pm

SYD

ATL

26h 55m

3 stops

$1,028United Airlines

Mon, Apr 20 - Tue, May 5

Delta flights from Atlanta to Sydney

Our best Delta deals on Atlanta to Sydney flight tickets

Delta

May 9

ATL10:50 pmAtlanta Hartsfield-Jackson

42h 00m

1 stop

SYD6:50 amSydney Kingsford Smith

May 25

SYD9:15 amSydney Kingsford Smith

29h 19m

1 stop

ATL12:34 amAtlanta Hartsfield-Jackson

$1,059

Delta

Jul 25

ATL10:30 pmAtlanta Hartsfield-Jackson

42h 20m

1 stop

SYD6:50 amSydney Kingsford Smith

Aug 11

SYD9:15 amSydney Kingsford Smith

24h 15m

2 stops

ATL7:30 pmAtlanta Hartsfield-Jackson

$1,064

Delta

May 9

ATL10:50 pmAtlanta Hartsfield-Jackson

42h 00m

1 stop

SYD6:50 amSydney Kingsford Smith

May 24

SYD9:15 amSydney Kingsford Smith

42h 05m

1 stop

ATL1:20 pmAtlanta Hartsfield-Jackson

$1,069

United Airlines flights from Atlanta to Sydney

Our best United Airlines deals on Atlanta to Sydney flight tickets

United Airlines

Apr 20

ATL7:12 pmAtlanta Hartsfield-Jackson

21h 43m

1 stop

SYD6:55 amSydney Kingsford Smith

May 5

SYD9:30 amSydney Kingsford Smith

28h 14m

2 stops

ATL11:44 pmAtlanta Hartsfield-Jackson

$1,028

United Airlines

Aug 3

ATL3:30 pmAtlanta Hartsfield-Jackson

25h 30m

2 stops

SYD7:00 amSydney Kingsford Smith

Aug 26

SYD10:20 amSydney Kingsford Smith

19h 50m

1 stop

ATL4:10 pmAtlanta Hartsfield-Jackson

$1,030

United Airlines

May 10

ATL7:12 pmAtlanta Hartsfield-Jackson

21h 43m

1 stop

SYD6:55 amSydney Kingsford Smith

May 20

SYD9:30 amSydney Kingsford Smith

27h 45m

2 stops

ATL11:15 pmAtlanta Hartsfield-Jackson

$1,049

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mon 4/13

4:40 pm-7:30 am

1 stop24h 50m

Sydney Kingsford Smith

Mon 4/27

9:10 am-4:59 pm

1 stop21h 49m

$895

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mon 4/13

4:36 pm-7:30 am

2 stops24h 54m

Sydney Kingsford Smith

Mon 4/27

9:10 am-9:58 pm

2 stops26h 48m

$900

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 5/3

4:40 pm-7:30 am

1 stop24h 50m

Sydney Kingsford Smith

Sat 5/30

9:10 am-5:18 pm

1 stop22h 08m

$945

Quickest round-trip

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Tue 5/19

5:42 pm-7:05 am

1 stop23h 23m

Sydney Kingsford Smith

Thu 6/4

9:10 am-5:18 pm

1 stop22h 08m

$946

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 5/3

4:40 pm-7:05 am

1 stop24h 25m

Sydney Kingsford Smith

Sat 5/30

12:00 pm-9:54 pm

2 stops23h 54m

$950

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Thu 4/30

4:40 pm-7:05 am

1 stop24h 25m

Sydney Kingsford Smith

Thu 5/7

9:10 am-4:59 pm

1 stop21h 49m

$985

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Thu 4/30

5:59 pm-7:05 am

2 stops23h 06m

Sydney Kingsford Smith

Thu 5/7

12:00 pm-9:58 pm

1 stop23h 58m

$989

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Thu 6/11

5:31 pm-7:05 am

1 stop23h 34m

Sydney Kingsford Smith

Thu 7/2

9:10 am-5:15 pm

1 stop22h 05m

$996

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Thu 6/11

4:15 pm-7:05 am

2 stops24h 50m

Sydney Kingsford Smith

Thu 7/2

9:10 am-6:44 pm

2 stops23h 34m

$1,000

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mon 4/20

4:35 pm-7:00 am

2 stops24h 25m

Sydney Kingsford Smith

Tue 5/5

10:20 am-11:15 pm

3 stops26h 55m

$1,028

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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

Layovers

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 $899. 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 $945.

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 $1,175 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 $1,026 on momondo.

Can stopping save me money on Atlanta to Sydney flights?

You could potentially save up to 4% 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 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 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 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?
Atlanta Hartsfield-Jackson and Sydney Kingsford Smith are 9280.2 mi apart from one another. By plane, this route typically takes 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?
As of March 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 35% of the total bookings. Other popular airlines include Qantas Airways with 23%, United Airlines with 20%, 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 10,816 reviews	Search Air Canada flights
Fiji Airways	PriceFrom $686	Free Cancellation	Rating 8.1 233 reviews	Search Fiji Airways flights
Delta	PriceFrom $787	Free Cancellation	Rating 7.9 8,300 reviews	Search Delta flights
Qantas Airways	PriceFrom $791	Free Cancellation	Rating 7.5 1,006 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $830	Free Cancellation	Rating 7.4 9,443 reviews	Search United Airlines flights
American Airlines	PriceFrom $855	Free Cancellation	Rating 7.1 11,477 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,175	Free Cancellation	Rating 8.0 615 reviews	Search Air New Zealand flights

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Swansea

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.

An easier way to manage your Sydney trip

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Cheap flights from Atlanta to Sydney from $452

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 5/9. 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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Delta flights from Atlanta to Sydney

Our best Delta deals on Atlanta to Sydney flight tickets

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How to get the cheapest flight ticket from Atlanta to 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

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Sydney

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

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