Cheap flights from Atlanta to Sydney from $701

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — SYD
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Sydney Kingsford Smith are usually found in March or October, booked 8 days in advance, depart on a Monday or Wednesday and return on a Thursday

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Enter your travel dates to find the best prices.

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 27 November 2025.

Wed 10/1212:22ATL - SYD
1 stop26h 33mQantas Airways
Sun 14/1207:05SYD - ATL
2 stops22h 16mQantas Airways
Deal found 26/11$1,421
Wed 10/1212:55ATL - SYD
2 stops50h 00mAir Canada
Sun 14/1211:20SYD - ATL
2 stops47h 16mAir Canada
Deal found 25/11$1,691
Mon 1/1210:23ATL - SYD
2 stops43h 27mMultiple Airlines
Sun 7/1206:00SYD - ATL
2 stops40h 10mMultiple Airlines
Deal found 26/11$1,742
Tue 25/1107:00ATL - SYD
2 stops34h 50mMultiple Airlines
Tue 2/1206:20SYD - ATL
3 stops31h 33mMultiple Airlines
Deal found 24/11$1,810
Tue 25/1109:10ATL - SYD
2 stops32h 25mAir Canada
Tue 2/1211:20SYD - ATL
2 stops50h 33mAir Canada
Deal found 24/11$1,839
Wed 26/1107:15ATL - SYD
2 stops34h 20mAir Canada
Wed 3/1211:20SYD - ATL
2 stops26h 23mAir Canada
Deal found 26/11$1,847
Mon 1/1212:55ATL - SYD
2 stops50h 00mAir Canada
Mon 8/1211:20SYD - ATL
2 stops47h 16mAir Canada
Deal found 24/11$1,859

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 27 November 2025.

Round-trip from

$1,311

One-way from

$701

Popular in

December

Cheapest in

March

Average price

$1,625
Qantas Airways
  • Qantas Airways
  • 20/2-5/3
  • 3 total stops
  • 44h 58m total
  • Atlanta to Sydney
2/2
  • 2/2
  • 3 total stops
  • 30h 37m total
  • Atlanta to Sydney
Highest demand for flights based on searches. 18% potential increase in price ($550 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease ($159 potential savings vs. average return price).
Average for round-trip flights in November 2025

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 27 November 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

Tue 3/3

09:10-09:35

2 stops32h 25m

Sydney Kingsford Smith

Tue 10/3

10:20-12:03

2 stops40h 43m

$1,627

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 3/5

09:00-07:20

2 stops32h 20m

Sydney Kingsford Smith

Sat 30/5

09:20-12:16

2 stops40h 56m

$1,671

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Tue 3/3

17:40-07:25

1 stop21h 45m

Sydney Kingsford Smith

Tue 10/3

13:05-17:39

1 stop19h 34m

$1,687

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 3/5

18:51-07:05

1 stop22h 14m

Sydney Kingsford Smith

Sat 30/5

12:00-17:32

1 stop19h 32m

$1,710

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 13/2

15:55-09:00

1 stop25h 05m

Sydney Kingsford Smith

Thu 26/2

14:05-17:38

1 stop19h 33m

$1,759

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Thu 29/1

12:41-06:55

1 stop26h 14m

Sydney Kingsford Smith

Sun 15/3

13:05-17:27

1 stop19h 22m

$1,760

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Tue 3/3

10:20-07:25

1 stop29h 05m

Sydney Kingsford Smith

Tue 10/3

14:00-16:11

2 stops41h 11m

$1,774

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Tue 3/3

08:55-06:50

1 stop29h 55m

Sydney Kingsford Smith

Sun 22/3

09:40-19:35

1 stop24h 55m

$1,783

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 22/3

16:50-07:25

1 stop23h 35m

Sydney Kingsford Smith

Mon 30/3

10:25-00:35

1 stop29h 10m

$1,783

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mon 2/3

22:35-06:50

2 stops40h 15m

Sydney Kingsford Smith

Wed 18/3

09:40-14:23

1 stop19h 43m

$1,791

Flights are sorted by cheapest return flights first.

Deals found on 26/11

Showing 1-10 of 18 results
1
2

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 return 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 return flight from Atlanta to Sydney. Price data was last updated on 21 November 2025.

To ensure you get the cheapest price possible for a flight from Atlanta to Sydney, you should look to book at least 8 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Atlanta to Sydney (average of $1,216). Flying from Atlanta to Sydney in January is currently the most expensive (average of $1,327). 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 27 November 2025.

A simple way to save on the total cost of your ticket is to fly from Atlanta to Sydney in the afternoon. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the morning.

How much does it cost for a return flight from Atlanta to Sydney?

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 27 November 2025.
Check out reviews from past customers who have flown with Delta, Qantas Airways, andUnited Airlines from Atlanta to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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.

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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.

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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.

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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.
  • How long is the flight from Atlanta to Sydney?

    Departing from Atlanta to Sydney will take you 21h 45m. The distance between Atlanta and Sydney is about 14933 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Atlanta to Sydney round-trip?

    Flying on United Airlines is currently your cheapest option to Sydney, with prices starting at $1,284. Additional round-trip tickets that might be worth considering are offered by Delta and Qantas Airways, with the lowest prices starting at $1,317 and $1,390, respectively. Users have found that United Airlines is 19% cheaper than the other options available to this destination.

  • 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 holiday 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, August is the cheapest month in which you can book a flight from Atlanta to Sydney (average of $1,216). Flying from Atlanta to Sydney in January is currently the most expensive (average of $1,327). 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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Penrith
Terrigal
Manly
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla

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 3 airlines flying from Atlanta to Sydney

Discover the top 3 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 647,157 searches. Data last updated 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,284Average$1,887FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$1,317Average$2,206FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Qantas AirwaysCheapest$1,390Average$1,892FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Atlanta to Sydney?

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Why should you use Cheapflights to find cheap flight tickets from Atlanta to Sydney?

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Can Cheapflights find flights from Atlanta to Sydney with no change fees?

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Not ready to book yet? You can track prices for flights from Atlanta to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

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