HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sydney

$417+ Cheap flights from Atlanta (ATL) to Sydney (SYD)

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — SYD
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Atlanta to Sydney with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

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 September 16, 2025.

Round-trip from

$815
(American Airlines)

One-way from

$417
(CrystalTravel)

Popular in

December

Cheapest in

March

Average price

$1,169
From Atlanta Hartsfield-Jackson to Sydney Kingsford Smith
Search Deals
One-way flight from Atlanta Hartsfield-Jackson to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($213 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Atlanta to Sydney

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 September 16, 2025.

This lol.travel deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/204:37 pmATL - SYD
2 stops48h 23mUnited Airlines
Fri 10/39:30 amSYD - ATL
2 stops23h 04mUnited Airlines
Deal found 9/15$790
This lol.travel deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/217:10 amATL - SYD
2 stops33h 50mUnited Airlines
Sat 10/49:30 amSYD - ATL
2 stops27h 15mUnited Airlines
Deal found 9/16$795
This CrystalTravel deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/155:30 pmATL - SYD
1 stop23h 35mQantas Airways
Mon 9/2212:10 pmSYD - ATL
1 stop25h 56mQantas Airways
Deal found 9/14$800
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:30 pmATL - SYD
1 stop23h 35mAmerican Airlines
Tue 9/309:10 amSYD - ATL
1 stop21h 16mAmerican Airlines
Deal found 9/14$815
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/215:30 pmATL - SYD
1 stop23h 35mAmerican Airlines
Sun 10/510:10 amSYD - ATL
1 stop22h 02mAmerican Airlines
Deal found 9/16$816
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/155:30 pmATL - SYD
1 stop23h 35mAmerican Airlines
Mon 9/299:10 amSYD - ATL
1 stop21h 16mAmerican Airlines
Deal found 9/14$817
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/205:30 pmATL - SYD
1 stop23h 35mAmerican Airlines
Fri 10/39:10 amSYD - ATL
1 stop21h 16mAmerican Airlines
Deal found 9/16$818
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/272:28 pmATL - SYD
2 stops27h 02mAmerican Airlines
Tue 10/1410:10 amSYD - ATL
2 stops24h 05mAmerican Airlines
Deal found 9/16$821

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 16, 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

Thu 11/13

2:18 pm-9:00 am

2 stops26h 42m

Sydney Kingsford Smith

Sat 11/22

5:45 pm-12:08 am

2 stops22h 23m

$875

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 11/14

4:50 pm-8:30 am

1 stop23h 40m

Sydney Kingsford Smith

Tue 11/25

10:40 am-9:35 pm

1 stop26h 55m

$887

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 11/26

5:41 pm-9:15 am

1 stop23h 34m

Sydney Kingsford Smith

Wed 12/3

12:10 pm-4:47 pm

1 stop20h 37m

$887

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sat 11/15

3:58 pm-7:00 am

1 stop23h 02m

Sydney Kingsford Smith

Mon 11/24

12:10 pm-11:29 pm

2 stops27h 19m

$887

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 11/14

6:43 pm-8:30 am

1 stop21h 47m

Sydney Kingsford Smith

Thu 11/27

10:40 am-2:28 pm

1 stop19h 48m

$887

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mon 12/1

3:58 pm-7:00 am

1 stop23h 02m

Sydney Kingsford Smith

Mon 12/8

11:50 am-5:48 pm

1 stop21h 58m

$887

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mon 12/15

9:00 am-9:15 am

2 stops32h 15m

Sydney Kingsford Smith

Mon 12/29

11:20 am-11:23 pm

2 stops28h 03m

$891

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mon 12/1

8:10 am-7:00 am

2 stops30h 50m

Sydney Kingsford Smith

Thu 12/11

11:20 am-11:53 pm

2 stops28h 33m

$891

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 10/1

5:30 pm-7:30 am

1 stop24h 00m

$417

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Tue 10/21

5:45 pm-8:05 am

1 stop23h 20m

$421

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 19 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 round-trip 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 round-trip flight from Atlanta to Sydney. Price data was last updated on September 12, 2025.

Booking 8 days in advance of your planned departure date is, on average, the best time to get cheap flights from Atlanta to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, March is the cheapest month in which you can book a flight from Atlanta to Sydney (average of $1,032). Flying from Atlanta to Sydney in December is currently the most expensive (average of $1,627). 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 September 16, 2025.

It’s typically best to fly out from Atlanta to Sydney at noon. Doing so could potentially save you 12% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Atlanta to Sydney?

Use this chart to determine the cheapest time to fly round-trip from Atlanta to Sydney. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Atlanta to Sydney flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 16, 2025.
See what other customers who have flown with Air New Zealand, Delta, and Qantas Airways from Atlanta to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very good
505 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.4

Food

7.3

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.
Air New Zealand
8.0
Very good
505 reviews
Air New Zealand
8.0
Very good
505 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.4

Food

7.3

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.
Delta
8.0
Very good
7,957 reviews
Air New Zealand
8.0
Very good
505 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.4

Food

7.3

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.
Qantas Airways
7.5
Good
907 reviews
Air New Zealand
8.0
Very good
505 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.4

Food

7.3

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.
United Airlines
7.4
Good
8,924 reviews
Air New Zealand
8.0
Very good
505 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.4

Food

7.3

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.
American Airlines
7.2
Good
10,000 reviews
Air New Zealand
8.0
Very good
505 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.4

Food

7.3

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

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?

    Airlines like American Airlines, Delta, and United Airlines fly from Atlanta to Sydney in about 23h 34m. The time it takes to get you to your destination can typically vary by up to 3h 08m. Atlanta and Sydney are separated by a distance of 9279 mi. This flight may include one or multiple stops.

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

    According to our current data, Qantas Airways ($814), American Airlines ($837), and United Airlines ($844) offers the cheapest pricing from Atlanta to Sydney. You may be able to fly from Atlanta to Sydney for 24% less than the average price by searching for these airlines.

  • Where are the most common layover locations when flying from Atlanta to Sydney?

    Of the flights from Atlanta to Sydney that have layovers, most of them stop in Los Angeles. Los Angeles is followed by Dallas in terms of the most popular layover location on flights from Atlanta to Sydney.

  • What are some popular things to do or see while on a layover in Los Angeles?

    Hollywood Bowl, Hollywood Walk of Fame, and The Wiltern are currently the most popular points of interest in Los Angeles at the moment. Hollywood Bowl, Hollywood Walk of Fame, and The Wiltern can be accessed by traveling approximately 12.5 mi, 11.7 mi, and 10.0 mi, respectively from Los Angeles. Travelers in need of a car in Los Angeles can rent one for about $41 per day.

  • What are some popular points of interest to see during a layover in Dallas?

    Dallas travelers tend to visit American Airlines Center, Dallas World Aquarium, and Dos Equis Pavilion more than any other notable places. American Airlines Center, Dallas World Aquarium and Dos Equis Pavilion are located about 15.0 mi, 15.5 mi, and 18.3 mi, respectively from Dallas/Fort Worth if you are interested in checking them out. Travelers in need of a car in Dallas can rent one for about $48 per day.

  • Where are the least popular layover locations for Atlanta to Sydney flights?

    Atlanta to Sydney flights have a layover in San Francisco least often.

  • 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 vacation 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, March is the cheapest month in which you can book a flight from Atlanta to Sydney (average of $1,032). Flying from Atlanta to Sydney in December is currently the most expensive (average of $1,627). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly
Coogee

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Atlanta to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Jacksonville to Sydney flights
Savannah to Sydney flights
Atlanta to Coolangatta flights
Asheville to Sydney flights
Brunswick to Sydney flights

Top 7 airlines flying from Atlanta to Sydney

Discover the top 7 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 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$814Average$953FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$837Average$935FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$844Average$981FlexibilityNo cancel feeOn-time69%
DeltaCheapest$855Average$1,351FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$898Average$1,506FlexibilityNo cancel feeOn-time67%
Fiji AirwaysCheapest$1,129Average$1,535FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,175Average$1,857FlexibilityNo cancel feeOn-time78%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.