Cheap flights from Atlanta to Sydney from $757

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — SYD
11 Dec — 18 Dec1
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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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 11 November 2025.

Fri 5/1217:26ATL - SYD
2 stops24h 24mQantas Airways
Mon 15/1214:05SYD - ATL
1 stop21h 38mQantas Airways
Deal found 9/11$1,314
Wed 19/1112:16ATL - SYD
1 stop26h 39mQantas Airways
Wed 26/1117:30SYD - ATL
2 stops37h 48mQantas Airways
Deal found 9/11$1,406
Wed 26/1118:14ATL - SYD
2 stops36h 11mQantas Airways
Wed 3/1214:05SYD - ATL
1 stop21h 38mQantas Airways
Deal found 10/11$1,415
Wed 10/1214:18ATL - SYD
1 stop24h 37mQantas Airways
Wed 17/1207:05SYD - ATL
2 stops24h 28mQantas Airways
Deal found 10/11$1,550
Fri 5/1210:35ATL - SYD
1 stop30h 25mMultiple Airlines
Mon 15/1217:45SYD - ATL
1 stop28h 25mMultiple Airlines
Deal found 10/11$1,608
Fri 5/1217:26ATL - SYD
2 stops24h 24mQantas Airways
Mon 8/1214:05SYD - ATL
1 stop21h 38mQantas Airways
Deal found 10/11$1,616
Wed 19/1112:16ATL - SYD
1 stop26h 39mQantas Airways
Thu 27/1121:55SYD - ATL
2 stops31h 31mQantas Airways
Deal found 9/11$1,633
Sun 7/1212:51ATL - SYD
2 stops28h 09mMultiple Airlines
Sun 14/1217:45SYD - ATL
2 stops33h 56mMultiple Airlines
Deal found 9/11$1,642

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 11 November 2025.

Round-trip from

$1,314

One-way from

$757

Popular in

December

Cheapest in

March

Average price

$1,619
Qantas Airways
  • Qantas Airways
  • 5/12-15/12
  • 3 total stops
  • 46h 02m total
  • Atlanta to Sydney
10/12
  • 10/12
  • 2 total stops
  • 34h 00m total
  • Atlanta to Sydney
Highest demand for flights based on searches. 18% potential increase in price ($542 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease ($158 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 11 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

Fri 6/3

14:10-11:00

2 stops28h 50m

Sydney Kingsford Smith

Thu 19/3

13:55-15:26

2 stops40h 31m

$1,947

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 1/5

22:00-06:10

1 stop42h 10m

Sydney Kingsford Smith

Sun 31/5

15:40-16:20

1 stop38h 40m

$2,152

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 13/2

11:30-08:45

3 stops29h 15m

Sydney Kingsford Smith

Mon 23/2

11:45-21:53

2 stops26h 08m

$2,376

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 13/2

08:15-10:30

3 stops34h 15m

Sydney Kingsford Smith

Thu 26/2

11:45-21:53

2 stops26h 08m

$2,452

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Thu 9/4

09:00-08:45

3 stops33h 45m

Sydney Kingsford Smith

Sat 25/4

11:50-22:02

2 stops24h 12m

$2,461

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Tue 17/3

18:23-09:50

2 stops24h 27m

Sydney Kingsford Smith

Thu 19/3

13:05-17:27

1 stop19h 22m

$2,745

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 3/5

08:40-08:45

3 stops34h 05m

Sydney Kingsford Smith

Sat 30/5

11:50-06:00

3 stops32h 10m

$2,789

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Thu 25/12

16:42-12:55

2 stops28h 13m

Sydney Kingsford Smith

Tue 13/1

06:05-17:45

2 stops27h 40m

$2,817

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 5/12

12:40-08:45

3 stops28h 05m

Sydney Kingsford Smith

Mon 15/12

09:55-23:53

3 stops29h 58m

$2,846

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Tue 17/3

22:20-17:55

1 stop28h 35m

Sydney Kingsford Smith

Thu 19/3

21:45-16:50

1 stop34h 05m

$2,976

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Showing 1-10 of 21 results
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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 7 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 $1,212). Flying from Atlanta to Sydney in January is currently the most expensive (average of $1,322). 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 11 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.

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 11 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.

Entertainment

7.9

Overall

7.9

Food

7.3

Boarding

8.1

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.

Entertainment

7.9

Overall

7.9

Food

7.3

Boarding

8.1

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.

Entertainment

7.9

Overall

7.9

Food

7.3

Boarding

8.1

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.

Entertainment

7.9

Overall

7.9

Food

7.3

Boarding

8.1

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 28h 50m. 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 $1,279. Additional round-trip tickets that might be worth considering are offered by Delta and Qantas Airways, with the lowest prices starting at $1,312 and $1,385, 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 $1,212). Flying from Atlanta to Sydney in January is currently the most expensive (average of $1,322). 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 11 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,279Average$1,880FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$1,312Average$2,197FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Qantas AirwaysCheapest$1,385Average$1,740FlexibilityNo 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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