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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — SYD
21 Dec — 28 Dec1
Return
1 adult
Economy
Return
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
Find 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 21 November 2025.
Wed 10/1212:22ATL - SYD
1 stop26h 33mQantas Airways
Sun 14/1207:05SYD - ATL
2 stops22h 16mQantas Airways
Deal found 20/11$1,412
Fri 28/1114:18ATL - SYD
1 stop24h 37mQantas Airways
Wed 10/1206:30SYD - ATL
2 stops26h 58mQantas Airways
Deal found 19/11$1,459
Tue 2/1210:35ATL - SYD
2 stops34h 00mMultiple Airlines
Fri 5/1214:00SYD - ATL
2 stops32h 10mMultiple Airlines
Deal found 19/11$1,534
Wed 3/1210:35ATL - SYD
2 stops34h 00mMultiple Airlines
Sat 6/1214:00SYD - ATL
2 stops32h 10mMultiple Airlines
Deal found 20/11$1,570
Fri 5/1217:26ATL - SYD
2 stops36h 04mQantas Airways
Mon 8/1214:05SYD - ATL
1 stop21h 38mQantas Airways
Deal found 21/11$1,630
Wed 26/1112:16ATL - SYD
2 stops42h 09mQantas Airways
Wed 3/1214:05SYD - ATL
1 stop21h 38mQantas Airways
Deal found 19/11$1,661
Thu 4/1212:55ATL - SYD
2 stops28h 40mAir Canada
Thu 15/111:20SYD - ATL
2 stops27h 28mAir Canada
Deal found 18/11$1,692
Best flights from Atlanta to Sydney
Discover carefully curated flight deals from Atlanta to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 November 2025.
Sun 3/509:00ATL - SYD
2 stops32h 20mAir Canada
Sat 30/509:20SYD - ATL
2 stops40h 56mAir Canada
Deal found 20/11$1,680
Sun 4/108:35ATL - SYD
2 stops30h 15mDelta
Sun 18/110:40SYD - ATL
2 stops26h 35mDelta
Deal found 21/11$1,775
Wed 25/215:55ATL - SYD
2 stops26h 25mQantas Airways
Sun 22/313:05SYD - ATL
1 stop21h 31mQantas Airways
Deal found 20/11$1,796
Sat 24/119:15ATL - SYD
1 stop43h 45mUnited Airlines
Wed 11/212:10SYD - ATL
1 stop22h 21mUnited Airlines
Deal found 19/11$1,805
Sun 8/212:55ATL - SYD
2 stops28h 40mAir Canada
Fri 20/211:20SYD - ATL
3 stops50h 33mAir Canada
Deal found 21/11$1,690
Tue 10/318:30ATL - SYD
1 stop22h 00mDelta
Wed 18/309:40SYD - ATL
1 stop26h 36mDelta
Deal found 19/11$1,794
Fri 27/215:55ATL - SYD
2 stops25h 55mQantas Airways
Mon 23/313:05SYD - ATL
1 stop25h 40mQantas Airways
Deal found 20/11$1,796
Mon 19/108:30ATL - SYD
2 stops32h 00mDelta
Wed 18/309:40SYD - ATL
2 stops27h 10mDelta
Deal found 21/11$1,800
Mon 2/319:45ATL - SYD
2 stops43h 05mDelta
Sun 22/309:40SYD - ATL
1 stop23h 21mDelta
Deal found 20/11$1,800
Sun 1/316:40ATL - SYD
1 stop23h 50mDelta
Tue 10/309:40SYD - ATL
2 stops27h 00mDelta
Deal found 19/11$1,802
Tue 23/1216:52ATL - SYD
1 stop21h 58mDelta
Tue 13/114:15SYD - ATL
2 stops23h 00mDelta
Deal found 18/11$1,802
Last-minute flights from Atlanta to Sydney
Discover last-minute flight deals from Atlanta to Sydney. Data last updated 21 November 2025 and is based on user searches.
Wed 26/1112:16ATL - SYD
2 stops42h 09mQantas Airways
Wed 3/1214:05SYD - ATL
1 stop21h 38mQantas Airways
Deal found 19/11$1,661
Wed 26/1112:55ATL - SYD
3 stops52h 40mAir Canada
Wed 3/1211:20SYD - ATL
2 stops26h 33mAir Canada
Deal found 19/11$1,915
Fri 28/1114:18ATL - SYD
1 stop24h 37mQantas Airways
Wed 10/1206:30SYD - ATL
2 stops26h 58mQantas Airways
Deal found 19/11$1,459
Sat 29/1112:55ATL - SYD
3 stops52h 40mAir Canada
Mon 8/1211:20SYD - ATL
2 stops43h 52mAir Canada
Deal found 18/11$1,840
Mon 1/1210:23ATL - SYD
2 stops34h 12mMultiple Airlines
Sun 7/1214:50SYD - ATL
2 stops31h 20mMultiple Airlines
Deal found 20/11$1,779
Mon 1/1206:10ATL - SYD
2 stops35h 25mAir Canada
Sun 7/1211:20SYD - ATL
2 stops50h 33mAir Canada
Deal found 21/11$1,848
Mon 1/1208:55ATL - SYD
2 stops30h 30mMultiple Airlines
Sat 20/1211:20SYD - ATL
2 stops37h 58mMultiple Airlines
Deal found 20/11$1,982
One-way flights from Atlanta to Sydney
Search for one-way flight options from Atlanta to Sydney. Find affordable one-way fares based on user searches. Data last updated 21 November 2025.
Tue 9/1211:05ATL - SYD
1 stop28h 20mMultiple Airlines
Deal found 20/11$862
Sun 15/217:47ATL - SYD
3 stops50h 48mMultiple Airlines
Deal found 20/11$902
Fri 16/114:55ATL - SYD
2 stops28h 00mQantas Airways
Deal found 19/11$924
Tue 13/114:05ATL - SYD
1 stop26h 25mDelta
Deal found 19/11$960
Sat 29/1118:14ATL - SYD
2 stops26h 06mQantas Airways
Deal found 20/11$966
Sat 17/120:45ATL - SYD
1 stop43h 45mDelta
Deal found 19/11$986
Sat 29/1112:55ATL - SYD
3 stops52h 40mAir Canada
Deal found 20/11$995
Sat 29/1107:00ATL - SYD
1 stop32h 25mMultiple Airlines
Deal found 20/11$1,072
Fri 23/121:25ATL - SYD
3 stops54h 20mMultiple Airlines
Deal found 20/11$1,159
Fri 23/108:55ATL - SYD
1 stop31h 35mDelta
Deal found 20/11$1,176
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 21 November 2025.
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 21 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
Sun 3/5
09:00-07:20
2 stops32h 20m
Sydney Kingsford Smith
Sat 30/5
09:20-12:16
2 stops40h 56m
$1,680
AtlantaSydney
ATL - SYD
ATLSYD
Atlanta Hartsfield-Jackson
Sun 8/2
12:55-09:35
2 stops28h 40m
Sydney Kingsford Smith
Fri 20/2
11:20-21:53
3 stops50h 33m
$1,690
AtlantaSydney
ATL - SYD
ATLSYD
Atlanta Hartsfield-Jackson
Sun 4/1
08:35-06:50
2 stops30h 15m
Sydney Kingsford Smith
Sun 18/1
10:40-21:15
2 stops26h 35m
$1,775
AtlantaSydney
ATL - SYD
ATLSYD
Atlanta Hartsfield-Jackson
Tue 10/3
18:30-07:30
1 stop22h 00m
Sydney Kingsford Smith
Wed 18/3
09:40-21:16
1 stop26h 36m
$1,794
AtlantaSydney
ATL - SYD
ATLSYD
Atlanta Hartsfield-Jackson
Wed 25/2
15:55-10:20
2 stops26h 25m
Sydney Kingsford Smith
Sun 22/3
13:05-19:36
1 stop21h 31m
$1,796
AtlantaSydney
ATL - SYD
ATLSYD
Atlanta Hartsfield-Jackson
Fri 27/2
15:55-09:50
2 stops25h 55m
Sydney Kingsford Smith
Mon 23/3
13:05-23:45
1 stop25h 40m
$1,796
AtlantaSydney
ATL - SYD
ATLSYD
Atlanta Hartsfield-Jackson
Mon 19/1
08:30-08:30
2 stops32h 00m
Sydney Kingsford Smith
Wed 18/3
09:40-21:50
2 stops27h 10m
$1,800
AtlantaSydney
ATL - SYD
ATLSYD
Atlanta Hartsfield-Jackson
Mon 2/3
19:45-06:50
2 stops43h 05m
Sydney Kingsford Smith
Sun 22/3
09:40-18:01
1 stop23h 21m
$1,800
AtlantaSydney
ATL - SYD
ATLSYD
Atlanta Hartsfield-Jackson
Sun 1/3
16:40-08:30
1 stop23h 50m
Sydney Kingsford Smith
Tue 10/3
09:40-21:40
2 stops27h 00m
$1,802
AtlantaSydney
ATL - SYD
ATLSYD
Atlanta Hartsfield-Jackson
Tue 23/12
16:52-06:50
1 stop21h 58m
Sydney Kingsford Smith
Tue 13/1
14:15-21:15
2 stops23h 00m
$1,802
Flights are sorted by cheapest return flights first.
Deals found on 20/11
Showing 1-10 of 19 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
Prices
More
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 14 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 $1,222). Flying from Atlanta to Sydney in January is currently the most expensive (average of $1,334). 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 21 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?
What’s the top stopover airport for flights from Atlanta to Sydney?
Share of one-stop return flights from Atlanta to Sydney chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Los Angeles (LAX) – chosen by Cheapflights users on 67% of one-stop itineraries from Atlanta to Sydney on Cheapflights.
What’s the cheapest stopover airport for flights from Atlanta to Sydney?
Average return fare for one-stop flights from Atlanta to Sydney, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Los Angeles (LAX) is the most affordable one-stop option, with an average return flight price of $1,457.
What’s the fastest stopover option from Atlanta to Sydney?
Shortest average travel time for one-stop one-way flights from Atlanta to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Dallas (DFW) have the shortest average one-way travel time for one-stop routes: 22h 09m.
Which airport typically offers the quickest stopover for flights from Atlanta to Sydney?
Average stopover duration for one-stop one-way flights from Atlanta to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Dallas (DFW) offer the fastest connection on this route, with an average stopover time of 2h 29m.
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 21 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.
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.
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.
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.
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 30h 15m. 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 $1,290. Additional round-trip tickets that might be worth considering are offered by Delta and Qantas Airways, with the lowest prices starting at $1,323 and $1,397, respectively. Users have found that United Airlines is 19% cheaper than the other options available to this destination.
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 $1,222). Flying from Atlanta to Sydney in January is currently the most expensive (average of $1,334). 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.
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 21 November 2025.
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 21 November 2025.
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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