Sydney

$408+ Cheap flights from Atlanta (ATL) to Sydney (SYD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — SYD
Aug 19 — Aug 261
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Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Sydney Kingsford Smith are usually found in March or June, booked 8 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Atlanta to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$839
(CrystalTravel)

One-way from

$408
(BestPriceTravel)

Popular in

December

Cheapest in

March

Average price

$990
From Atlanta Hartsfield-Jackson to Sydney Kingsford Smith
One-way flight from Atlanta Hartsfield-Jackson to Sydney Kingsford Smith
Highest demand for flights based on searches. 14% potential increase in price ($188 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($47 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find flight deals from Atlanta to Sydney

Cheapest flights from Atlanta to Sydney
Explore the most affordable flight options available from Atlanta to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This CrystalTravel deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/26:00 pmATL - SYD
1 stop23h 05mQantas Airways
Tue 9/3012:10 pmSYD - ATL
1 stop23h 28mQantas Airways
Deal found 8/13$839
This CrystalTravel deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/92:18 pmATL - SYD
1 stop24h 37mQantas Airways
Tue 11/182:20 pmSYD - ATL
1 stop21h 23mQantas Airways
Deal found 8/13$840
This FlightHub deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:00 pmATL - SYD
1 stop23h 30mQantas Airways
Tue 9/212:10 pmSYD - ATL
1 stop23h 45mQantas Airways
Deal found 8/14$843
This Ovago deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/136:00 pmATL - SYD
1 stop23h 05mQantas Airways
Wed 8/2012:10 pmSYD - ATL
1 stop25h 59mQantas Airways
Deal found 8/12$859
This Ovago deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/118:25 pmATL - SYD
1 stop20h 30mQantas Airways
Thu 9/1812:10 pmSYD - ATL
1 stop25h 36mQantas Airways
Deal found 8/14$864
This Ovago deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:30 pmATL - SYD
1 stop23h 35mQantas Airways
Tue 9/3012:10 pmSYD - ATL
1 stop19h 25mQantas Airways
Deal found 8/13$867
This American Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/105:30 pmATL - SYD
1 stop23h 35mAmerican Airlines
Wed 9/179:10 amSYD - ATL
1 stop21h 16mAmerican Airlines
Deal found 8/13$868
This American Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2911:05 amATL - SYD
1 stop29h 50mAmerican Airlines
Tue 10/1410:10 amSYD - ATL
1 stop21h 42mAmerican Airlines
Deal found 8/13$869
This American Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/26:00 pmATL - SYD
1 stop23h 05mAmerican Airlines
Sat 9/139:10 amSYD - ATL
2 stops26h 24mAmerican Airlines
Deal found 8/14$872
This American Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/202:23 pmATL - SYD
2 stops26h 42mAmerican Airlines
Tue 9/212:10 pmSYD - ATL
1 stop19h 25mAmerican Airlines
Deal found 8/14$873
This American Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/61:21 pmATL - SYD
2 stops25h 34mAmerican Airlines
Thu 11/205:45 pmSYD - ATL
2 stops22h 20mAmerican Airlines
Deal found 8/14$874

Cheapflights Fare Finder

 
Customize your flight search to find flights from Atlanta to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Atlanta to Sydney that are best for you.

Fly from

Atlanta

Fly to

Sydney

Route

Depart

Return

Price

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mon 9/1

5:06 pm-7:05 am

1 stop23h 59m

Sydney Kingsford Smith

Mon 9/15

12:10 pm-9:38 pm

1 stop23h 28m

$843

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 9/10

4:42 pm-6:55 am

1 stop24h 13m

Sydney Kingsford Smith

Wed 9/24

12:10 pm-5:35 pm

1 stop19h 25m

$843

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Thu 1/22

2:16 pm-6:55 am

1 stop24h 39m

Sydney Kingsford Smith

Sun 3/22

1:20 pm-5:27 pm

1 stop19h 07m

$843

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Thu 9/11

8:25 pm-6:55 am

1 stop20h 30m

Sydney Kingsford Smith

Thu 9/18

12:10 pm-11:46 pm

1 stop25h 36m

$864

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sat 1/31

12:24 pm-6:55 am

1 stop26h 31m

Sydney Kingsford Smith

Sat 3/14

1:20 pm-7:36 pm

1 stop21h 16m

$864

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 9/17

5:30 pm-7:05 am

1 stop23h 35m

Sydney Kingsford Smith

Tue 9/30

12:10 pm-5:35 pm

1 stop19h 25m

$867

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sat 9/27

5:30 pm-7:05 am

1 stop23h 35m

Sydney Kingsford Smith

Tue 10/14

10:10 am-4:52 pm

1 stop21h 42m

$868

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Thu 11/27

4:45 pm-9:00 am

1 stop24h 15m

Sydney Kingsford Smith

Thu 12/18

11:15 am-4:20 pm

1 stop21h 05m

$868

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Tue 9/2

6:00 pm-7:05 am

1 stop23h 05m

Sydney Kingsford Smith

Sat 9/13

9:10 am-4:26 pm

1 stop21h 16m

$868

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Thu 9/11

5:30 pm-7:05 am

1 stop23h 35m

Sydney Kingsford Smith

Thu 9/18

12:10 pm-11:46 pm

1 stop25h 36m

$869

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Atlanta to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Atlanta with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Atlanta to Sydney

How far ahead should I book a flight from Atlanta to Sydney?

Use this chart to determine the optimal time to book a round-trip flight from Atlanta to Sydney. Price data was last updated on August 8, 2025.

Booking 8 days in advance of your planned departure date is, on average, the best time to get cheap flights from Atlanta to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Atlanta to Sydney?

Currently, February is the cheapest month in which you can book a flight from Atlanta to Sydney (average of $1,031). Flying from Atlanta to Sydney in December is currently the most expensive (average of $1,619). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ATL to SYD?

Find hourly flight availability from Atlanta to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

It’s typically best to fly out from Atlanta to Sydney at noon. Doing so could potentially save you 12% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Atlanta to Sydney?

Use this chart to determine the cheapest time to fly round-trip from Atlanta to Sydney. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Atlanta to Sydney flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

What’s the top layover airport for flights from Atlanta to Sydney?

Share of 1-stop round-trip flights from Atlanta to Sydney chosen by Cheapflights users in the past 12 months, using the same layover each way.

Houston (IAH) – chosen by Cheapflights users on 33% of 1-stop itineraries from Atlanta to Sydney on Cheapflights.

What’s the cheapest layover airport for flights from Atlanta to Sydney?

Average round-trip fare for 1-stop flights from Atlanta to Sydney, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Houston (IAH) is the most affordable 1-stop option, with an average round-trip price of $850.

What’s the fastest layover option from Atlanta to Sydney?

Shortest average travel time for 1-stop one-way flights from Atlanta to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via San Francisco (SFO) have the shortest average one-way travel time for 1-stop routes: 22h 56m.

Which airport typically offers the quickest layover for flights from Atlanta to Sydney?

Average layover duration for 1-stop one-way flights from Atlanta to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Houston (IAH) offer the fastest connection on this route, with an average layover time of 2h 16m.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated August 14, 2025.
See what other customers who have flown with Delta, Qantas Airways, and United Airlines from Atlanta to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
8.0
Very good
8.0
Very good

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Atlanta to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Atlanta to Sydney round-trip?

    According to our current data, Qantas Airways ($824), American Airlines ($837), and United Airlines ($844) offers the cheapest pricing from Atlanta to Sydney. You may be able to fly from Atlanta to Sydney for 25% less than the average price by searching for these airlines.

  • Where are the most common layover locations when flying from Atlanta to Sydney?

  • What are some popular things to do or see while on a layover in Los Angeles?

    Hollywood Bowl, Hollywood Walk of Fame, and The Wiltern are currently the most popular points of interest in Los Angeles at the moment. Hollywood Bowl, Hollywood Walk of Fame, and The Wiltern can be accessed by traveling approximately 12.5 mi, 11.7 mi, and 10.0 mi, respectively from Los Angeles. Travelers in need of a car in Los Angeles can rent one for about $52 per day.

  • What are some popular points of interest to see during a layover in Dallas?

    Dallas travelers tend to visit American Airlines Center, Dallas World Aquarium, and Dos Equis Pavilion more than any other notable places. American Airlines Center, Dallas World Aquarium and Dos Equis Pavilion are located about 15.0 mi, 15.5 mi, and 18.3 mi, respectively from Dallas/Fort Worth if you are interested in checking them out. Travelers in need of a car in Dallas can rent one for about $52 per day.

  • Where are the least popular layover locations for Atlanta to Sydney flights?

  • Can I find deals for flights from Atlanta to Sydney that include hotel bookings?

    Yes. In addition to deals on Atlanta to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Atlanta to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Atlanta to Sydney.

  • Can I find deals for business class flights from Atlanta to Sydney?

    Yes. Cheapflights offers flight deals from Atlanta to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Atlanta to Sydney?

    Currently, February is the cheapest month in which you can book a flight from Atlanta to Sydney (average of $1,031). Flying from Atlanta to Sydney in December is currently the most expensive (average of $1,619). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Wollongong
Parramatta
Manly
Coogee

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Atlanta to Sydney

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Atlanta to Sydney

Discover the top 7 airlines that operate flights from Atlanta to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$824Average$1,022FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$837Average$935FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$844Average$988FlexibilityNo cancel feeOn-time69%
DeltaCheapest$859Average$1,438FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$898Average$1,458FlexibilityNo cancel feeOn-time67%
Fiji AirwaysCheapest$1,129Average$1,535FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,175Average$1,822FlexibilityNo cancel feeOn-time78%

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