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Cheap flights from Atlanta to Sydney from $622

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — SYD
28 Mar — 4 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Atlanta to Sydney

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 26 February 2026.

Sun 17/516:40
ATL
-
SYD
1 stop24h 25m
American Airlines
Mon 25/509:10
SYD
-
ATL
1 stop22h 08m
American Airlines
Deal found 25/2$1,383
Fri 20/318:25
ATL
-
SYD
2 stops24h 25m
Qantas Airways
Tue 24/313:05
SYD
-
ATL
1 stop21h 53m
Qantas Airways
Deal found 25/2$1,437
Mon 13/416:40
ATL
-
SYD
1 stop24h 25m
American Airlines
Mon 27/409:10
SYD
-
ATL
1 stop21h 49m
American Airlines
Deal found 25/2$1,439
Tue 19/517:42
ATL
-
SYD
1 stop23h 23m
American Airlines
Thu 4/609:10
SYD
-
ATL
1 stop22h 08m
American Airlines
Deal found 25/2$1,453
Mon 1/618:14
ATL
-
SYD
2 stops22h 51m
American Airlines
Thu 23/709:10
SYD
-
ATL
2 stops24h 19m
American Airlines
Deal found 25/2$1,460
Fri 30/1018:01
ATL
-
SYD
2 stops25h 19m
Qantas Airways
Sat 14/1114:05
SYD
-
ATL
1 stop21h 22m
Qantas Airways
Deal found 23/2$1,464
Mon 16/316:06
ATL
-
SYD
2 stops27h 14m
Qantas Airways
Mon 23/313:05
SYD
-
ATL
1 stop25h 48m
Qantas Airways
Deal found 22/2$1,475
Wed 18/318:25
ATL
-
SYD
2 stops36h 30m
Qantas Airways
Wed 25/313:05
SYD
-
ATL
1 stop21h 23m
Qantas Airways
Deal found 25/2$1,521
Thu 2/716:55
ATL
-
SYD
1 stop24h 10m
American Airlines
Sat 18/709:10
SYD
-
ATL
1 stop22h 04m
American Airlines
Deal found 25/2$1,523

Find 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 26 February 2026.

Round-trip from

$1,383

One-way from

$622

Popular in

December

Cheapest in

March

Average price

$1,568
American Airlines
  • American Airlines
  • 17/5-25/5
  • 2 total stops
  • 46h 33m total
  • Atlanta to Sydney
Search Deals
9/5
  • 9/5
  • 2 total stops
  • 28h 13m total
  • Atlanta to Sydney
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($531 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($125 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 26 February 2026.
Use the filters below to find and compare flights from Atlanta to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Tue 11/8

10:12-10:40

3 stops34h 28m

Sydney Kingsford Smith

Tue 18/8

11:55-09:06

3 stops35h 11m

$1,857

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 25/3

07:46-08:05

3 stops33h 19m

Sydney Kingsford Smith

Tue 7/4

10:20-18:24

1 stop22h 04m

$1,912

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 17/6

18:00-06:55

1 stop22h 55m

Sydney Kingsford Smith

Wed 24/6

09:30-00:30

2 stops29h 00m

$1,929

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Tue 10/3

07:46-08:05

3 stops33h 19m

Sydney Kingsford Smith

Tue 17/3

10:25-18:01

2 stops22h 36m

$1,930

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mon 13/4

13:33-07:00

2 stops27h 27m

Sydney Kingsford Smith

Mon 27/4

09:30-17:56

2 stops22h 26m

$1,936

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Tue 14/4

11:44-06:55

2 stops29h 11m

Sydney Kingsford Smith

Tue 21/4

10:20-18:24

1 stop22h 04m

$1,936

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 7/6

19:10-06:50

1 stop21h 40m

Sydney Kingsford Smith

Tue 23/6

09:15-06:13

1 stop34h 58m

$1,947

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 7/6

18:00-06:55

1 stop22h 55m

Sydney Kingsford Smith

Sat 20/6

10:20-16:54

1 stop20h 34m

$1,982

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mon 3/8

18:00-06:50

1 stop22h 50m

Sydney Kingsford Smith

Thu 13/8

09:15-01:00

1 stop29h 45m

$1,999

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 10/4

21:23-11:50

2 stops48h 27m

$676

Flights are sorted by cheapest return flights first.

Deals found on 23/2

Showing 1-10 of 15 resultsSorted by cheapest first
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 20 February 2026.

To ensure you get the cheapest price possible for a flight from Atlanta to Sydney, you should look to book at least 41 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, June is the cheapest month in which you can book a flight from Atlanta to Sydney (average of $725). Flying from Atlanta to Sydney in April is currently the most expensive (average of $1,226). 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.

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 26 February 2026.
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.
Delta
7.9
Good
8,238 reviews
Check prices

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

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.
Delta
7.9
Good
8,238 reviews
Delta
7.9
Good
8,238 reviews
Check prices

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

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.
Qantas Airways
7.5
Good
998 reviews
Delta
7.9
Good
8,238 reviews
Check prices

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

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.
United Airlines
7.4
Good
9,349 reviews
Delta
7.9
Good
8,238 reviews
Check prices

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

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 33h 19m. The distance between Atlanta and Sydney is about 14933 km.

  • 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 $608. Additional round-trip tickets that might be worth considering are offered by Delta and Qantas Airways, with the lowest prices starting at $1,206 and $1,273, respectively. Users have found that United Airlines is 62% 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, June is the cheapest month in which you can book a flight from Atlanta to Sydney (average of $725). Flying from Atlanta to Sydney in April is currently the most expensive (average of $1,226). 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
Penrith
Katoomba
Manly
Terrigal
Lithgow
Bondi Beach
Leura
Coogee
Cronulla
Randwick

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.
Albany to Sydney flights

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 26 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$608Average$1,728FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$1,206Average$2,300FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Qantas AirwaysCheapest$1,273Average$1,613FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Atlanta to Sydney flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to Sydney from Atlanta by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Atlanta to Sydney with no change fees.

Can Cheapflights notify me if prices for flights from Atlanta to Sydney become cheaper?

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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