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$394+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — SYD
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
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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 July 2, 2025.

Round-trip from

$764
(Ovago)

One-way from

$394
(Cheapflightsfares)

Popular in

December

Cheapest in

March

Average price

$978
From Atlanta Hartsfield-Jackson to Sydney Kingsford Smith
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One-way flight from Atlanta Hartsfield-Jackson to Sydney Kingsford Smith
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Highest demand for flights based on searches. 10% potential increase in price ($128 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 2, 2025.

This Ovago deal was found by Cheapflights users on 6/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/15:06 pmATL - SYD
1 stop23h 59mQantas Airways
Mon 9/1512:10 pmSYD - ATL
1 stop23h 28mQantas Airways
Deal found 6/30$764
This American Airlines deal was found by Cheapflights users on 6/30. 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 8/34:08 pmATL - SYD
1 stop24h 57mAmerican Airlines
Sun 8/179:10 amSYD - ATL
2 stops24h 28mAmerican Airlines
Deal found 6/30$819
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1712:15 pmATL - SYD
1 stop28h 20mDelta
Tue 9/309:25 amSYD - ATL
1 stop20h 33mDelta
Deal found 6/30$831
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/174:05 pmATL - SYD
2 stops24h 50mUnited Airlines
Tue 9/309:30 amSYD - ATL
2 stops26h 03mUnited Airlines
Deal found 7/1$835
This Trip.com deal was found by Cheapflights users on 6/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/85:06 pmATL - SYD
1 stop23h 59mMultiple Airlines
Fri 8/151:15 pmSYD - ATL
2 stops29h 56mMultiple Airlines
Deal found 6/30$886
This Air Canada deal was found by Cheapflights users on 7/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/198:55 amATL - SYD
2 stops32h 25mAir Canada
Sun 9/289:20 amSYD - ATL
2 stops50h 19mAir Canada
Deal found 7/1$927

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 July 2, 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

Mon 9/1

5:06 pm-7:05 am

1 stop23h 59m

Sydney Kingsford Smith

Mon 9/15

12:10 pm-9:38 pm

1 stop23h 28m

$764

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 8/3

4:08 pm-7:05 am

1 stop24h 57m

Sydney Kingsford Smith

Sun 8/17

9:10 am-7:38 pm

2 stops24h 28m

$819

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 9/17

12:15 pm-6:35 am

1 stop28h 20m

Sydney Kingsford Smith

Tue 9/30

9:25 am-3:58 pm

1 stop20h 33m

$831

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 9/17

4:05 pm-6:55 am

2 stops24h 50m

Sydney Kingsford Smith

Tue 9/30

9:30 am-9:33 pm

2 stops26h 03m

$835

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 8/8

5:06 pm-7:05 am

1 stop23h 59m

Sydney Kingsford Smith

Fri 8/15

1:15 pm-5:11 am

2 stops29h 56m

$886

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 8/15

1:20 pm-7:00 am

2 stops27h 40m

Sydney Kingsford Smith

Fri 8/22

10:20 am-6:39 pm

2 stops22h 19m

$887

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 9/19

8:55 am-7:20 am

2 stops32h 25m

Sydney Kingsford Smith

Sun 9/28

9:20 am-9:39 pm

2 stops50h 19m

$927

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Tue 7/29

9:30 am-7:30 am

2 stops32h 00m

Sydney Kingsford Smith

Thu 7/31

5:45 pm-7:49 am

2 stops28h 04m

$1,165

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 8/15

5:06 pm-7:05 am

1 stop23h 59m

$394

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Thu 8/28

4:00 pm-6:05 am

2 stops24h 05m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 16 results
1
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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 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 June 27, 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 $1,039). Flying from Atlanta to Sydney in December is currently the most expensive (average of $1,636). 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 July 2, 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 July 2, 2025.
See what other customers who have flown with Alaska Airlines, 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,974 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Qantas Airways
7.5
Good
869 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
SWISS
7.5
Good
1,654 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Qatar Airways
7.4
Good
3,595 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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.

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

    According to our current data, Qantas Airways ($764), American Airlines ($819), and Delta ($831) offers the cheapest pricing from Atlanta to Sydney. You may be able to fly from Atlanta to Sydney for 32% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Atlanta to Sydney one-way?

    One-way options have recently been found by users for as low as $394 on Qantas Airways. Other airlines that offer cheap prices include American Airlines from $415 and Delta from $423 one-way.

  • 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 L.A. Live are currently the most popular points of interest in Los Angeles at the moment. Hollywood Bowl, Hollywood Walk of Fame, and L.A. Live can be accessed by traveling approximately 12.5 mi, 11.7 mi, and 10.8 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 Reunion Tower more than any other notable places. American Airlines Center, Dallas World Aquarium and Reunion Tower are located about 15.0 mi, 15.5 mi, and 15.6 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 $53 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 $1,039). Flying from Atlanta to Sydney in December is currently the most expensive (average of $1,636). 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 Atlanta?

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

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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.
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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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$826Average$1,048FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$833Average$932FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$840Average$1,024FlexibilityNo cancel feeOn-time69%
DeltaCheapest$895Average$1,481FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$901Average$1,194FlexibilityNo cancel feeOn-time67%
Fiji AirwaysCheapest$972Average$1,529FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,175Average$1,749FlexibilityNo cancel feeOn-time78%

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