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Cheap flights from Atlanta to Sydney from $705

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — SYD
18 May — 25 May1
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 18 April 2026.

Fri 29/507:35
ATL
-
SYD
3 stops38h 15m
Multiple Airlines
Fri 5/613:15
SYD
-
ATL
3 stops31h 00m
Multiple Airlines
Deal found 13/4$1,513
Wed 6/516:40
ATL
-
SYD
1 stop24h 25m
Qantas Airways
Wed 13/512:00
SYD
-
ATL
1 stop19h 34m
Qantas Airways
Deal found 14/4$1,616
Wed 27/516:56
ATL
-
SYD
1 stop24h 09m
Qantas Airways
Wed 3/612:00
SYD
-
ATL
1 stop21h 02m
Qantas Airways
Deal found 13/4$1,626
Tue 14/416:36
ATL
-
SYD
1 stop24h 19m
Qantas Airways
Wed 22/412:00
SYD
-
ATL
1 stop21h 37m
Qantas Airways
Deal found 13/4$1,628
Sun 24/516:56
ATL
-
SYD
1 stop24h 09m
Qantas Airways
Sun 7/612:00
SYD
-
ATL
1 stop21h 02m
Qantas Airways
Deal found 14/4$1,632
Sun 9/818:00
ATL
-
SYD
1 stop22h 55m
United Airlines
Tue 25/809:30
SYD
-
ATL
2 stops23h 06m
United Airlines
Deal found 16/4$1,633
Tue 14/416:36
ATL
-
SYD
1 stop24h 19m
Qantas Airways
Tue 21/412:00
SYD
-
ATL
1 stop19h 34m
Qantas Airways
Deal found 14/4$1,635
Tue 5/508:55
ATL
-
SYD
1 stop31h 55m
Delta
Tue 12/509:15
SYD
-
ATL
1 stop25h 20m
Delta
Deal found 15/4$1,648
Sun 17/519:12
ATL
-
SYD
1 stop21h 43m
United Airlines
Mon 25/510:20
SYD
-
ATL
1 stop20h 34m
United Airlines
Deal found 16/4$1,650
Sun 17/519:12
ATL
-
SYD
1 stop21h 43m
United Airlines
Sun 24/509:30
SYD
-
ATL
2 stops29h 00m
United Airlines
Deal found 17/4$1,651
Sun 9/817:33
ATL
-
SYD
1 stop23h 32m
Qantas Airways
Sun 16/812:00
SYD
-
ATL
1 stop21h 22m
Qantas Airways
Deal found 13/4$1,654

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 18 April 2026.

Round-trip from

$1,513

One-way from

$705

Popular in

December

Cheapest in

September

Average price

$2,131
29/5-5/6
  • 29/5-5/6
  • 6 total stops
  • 69h 15m total
  • Atlanta to Sydney
Search Deals
13/5
  • 13/5
  • 2 total stops
  • 48h 50m total
  • Atlanta to Sydney
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($341 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($98 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 18 April 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

Cheapest return flight

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 17/5

19:12-06:55

1 stop21h 43m

Sydney Kingsford Smith

Sun 24/5

09:30-00:30

2 stops29h 00m

$1,651

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Tue 11/8

10:00-06:55

2 stops30h 55m

Sydney Kingsford Smith

Tue 8/9

10:20-16:10

1 stop19h 50m

$1,669

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Tue 2/6

14:30-06:55

2 stops26h 25m

Sydney Kingsford Smith

Tue 16/6

09:30-00:30

2 stops29h 00m

$1,669

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Tue 5/5

16:35-06:55

2 stops24h 20m

Sydney Kingsford Smith

Tue 12/5

09:30-23:15

2 stops27h 45m

$1,676

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sat 16/5

16:35-07:00

2 stops48h 25m

Sydney Kingsford Smith

Sun 24/5

10:20-16:54

1 stop20h 34m

$1,697

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 17/5

19:12-06:55

1 stop21h 43m

Sydney Kingsford Smith

Sat 30/5

09:30-00:30

2 stops29h 00m

$1,739

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 1/5

14:37-07:00

2 stops26h 23m

Sydney Kingsford Smith

Fri 8/5

09:30-19:21

2 stops23h 51m

$1,816

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 14/10

20:30-20:55

2 stops33h 25m

Sydney Kingsford Smith

Sat 24/10

15:50-16:15

1 stop39h 25m

$2,182

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sat 29/8

21:40-16:50

1 stop29h 10m

Sydney Kingsford Smith

Wed 2/9

15:40-16:30

1 stop38h 50m

$2,468
Fastest return journey

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 17/6

13:38-06:55

1 stop27h 17m

Sydney Kingsford Smith

Sun 28/6

12:00-19:02

1 stop21h 02m

$2,487

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 19 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 10 April 2026.

To ensure you get the cheapest price possible for a flight from Atlanta to Sydney, you should look to book at least 50 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, September is the cheapest month in which you can book a flight from Atlanta to Sydney (average of $1,244). Flying from Atlanta to Sydney in December is currently the most expensive (average of $2,432). 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.

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 18 April 2026.
Check out reviews from past customers who have flown with Delta and Qantas Airways 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
8,422 reviews
Check prices

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

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
8,422 reviews
Delta
7.9
Good
8,422 reviews
Check prices

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

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
1,019 reviews
Delta
7.9
Good
8,422 reviews
Check prices

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

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 43m. The distance between Atlanta and Sydney is about 14933 km.

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

    Flying on Delta is currently your cheapest option to Sydney, with prices starting at $1,193. Another option worth looking into is Qantas Airways, starting at $1,260 round trip. Users have found that Delta is 28% 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, September is the cheapest month in which you can book a flight from Atlanta to Sydney (average of $1,244). Flying from Atlanta to Sydney in December is currently the most expensive (average of $2,432). 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
Terrigal
Lithgow
Cronulla
Manly
Bondi Beach
Leura
Randwick
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.
Albany to Sydney flights

Top 2 airlines flying from Atlanta to Sydney

Discover the top 2 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 18 April 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,193Average$2,276FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Qantas AirwaysCheapest$1,260Average$1,593FlexibilityNo 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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