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$519+ 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 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — SYD
May 3 — May 101
Sat 5/3
Sat 5/10
1 adult, Economy
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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

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Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Sydney Kingsford Smith are usually found in March or February, booked 65 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 April 28, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$973
(United Airlines)

One-way from

$749
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,230
Provider with most accurate pricing for Atlanta Hartsfield-Jackson-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Atlanta Hartsfield-Jackson-Sydney Kingsford Smith flights.
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From Atlanta Hartsfield-Jackson to Sydney Kingsford Smith
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One-way flight from Atlanta Hartsfield-Jackson to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($122 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 28, 2025.

This United Airlines deal was found by Cheapflights users on 4/28. 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.
Sun 6/14:23 pmATL - SYD
2 stops24h 37mUnited Airlines
Mon 6/1610:20 amSYD - ATL
1 stop20h 38mUnited Airlines
Deal found 4/28$973
This Delta deal was found by Cheapflights users on 4/28. 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.
Sun 6/14:56 pmATL - SYD
1 stop23h 39mDelta
Mon 6/169:25 amSYD - ATL
1 stop21h 54mDelta
Deal found 4/28$992
This StudentUniverse deal was found by Cheapflights users on 4/28. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/192:22 pmATL - SYD
2 stops28h 28mQantas Airways
Mon 12/296:05 amSYD - ATL
2 stops29h 30mQantas Airways
Deal found 4/28$1,090
This StudentUniverse deal was found by Cheapflights users on 4/27. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/218:28 pmATL - SYD
2 stops25h 47mFiji Airways
Thu 9/41:15 pmSYD - ATL
2 stops22h 32mFiji Airways
Deal found 4/27$1,130
This American Airlines deal was found by Cheapflights users on 4/28. 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 9/16:10 pmATL - SYD
2 stops22h 45mAmerican Airlines
Mon 9/1512:10 pmSYD - ATL
2 stops24h 25mAmerican Airlines
Deal found 4/28$1,132
This Mytrip deal was found by Cheapflights users on 4/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/115:52 pmATL - SYD
3 stops27h 53mMultiple Airlines
Wed 5/141:30 pmSYD - ATL
3 stops47h 19mMultiple Airlines
Deal found 4/27$1,201
This Gurufare deal was found by Cheapflights users on 4/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/57:20 pmATL - SYD
2 stops23h 25mAir New Zealand
Mon 8/116:20 pmSYD - ATL
2 stops43h 24mAir New Zealand
Deal found 4/28$1,284
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/295:56 pmATL - SYD
2 stops35h 49mAlaska Airlines
Fri 6/69:40 pmSYD - ATL
2 stops31h 27mAlaska Airlines
Deal found 4/28$1,465
This Air Canada deal was found by Cheapflights users on 4/28. 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.
Mon 9/18:55 amATL - SYD
3 stops32h 25mAir Canada
Mon 9/159:20 amSYD - ATL
2 stops26h 14mAir Canada
Deal found 4/28$1,511

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 April 28, 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 6/1

4:23 pm-7:00 am

2 stops24h 37m

Sydney Kingsford Smith

Mon 6/16

10:20 am-4:58 pm

1 stop20h 38m

$973

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 6/1

4:56 pm-6:35 am

1 stop23h 39m

Sydney Kingsford Smith

Mon 6/16

9:25 am-5:19 pm

1 stop21h 54m

$992

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 9/10

4:33 pm-7:05 am

1 stop24h 32m

Sydney Kingsford Smith

Wed 9/24

12:10 pm-5:37 pm

1 stop19h 27m

$1,094

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Thu 8/21

8:28 pm-12:15 pm

2 stops25h 47m

Sydney Kingsford Smith

Thu 9/4

1:15 pm-9:47 pm

2 stops22h 32m

$1,130

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mon 9/1

6:10 pm-6:55 am

2 stops22h 45m

Sydney Kingsford Smith

Mon 9/15

12:10 pm-10:35 pm

2 stops24h 25m

$1,132

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 5/11

5:52 pm-11:45 am

3 stops27h 53m

Sydney Kingsford Smith

Wed 5/14

1:30 pm-10:49 pm

3 stops47h 19m

$1,201

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Tue 8/5

7:20 pm-8:45 am

2 stops23h 25m

Sydney Kingsford Smith

Mon 8/11

6:20 pm-11:44 pm

2 stops43h 24m

$1,284

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Thu 5/29

5:56 pm-7:45 pm

2 stops35h 49m

Sydney Kingsford Smith

Fri 6/6

9:40 pm-3:07 pm

2 stops31h 27m

$1,465

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mon 9/1

8:55 am-7:20 am

3 stops32h 25m

Sydney Kingsford Smith

Mon 9/15

9:20 am-9:34 pm

2 stops26h 14m

$1,511

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sat 6/14

1:25 pm-6:35 am

2 stops27h 10m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 18 results
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Compare providers for flights from Atlanta to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Atlanta to Sydney in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Atlanta-Sydney flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Atlanta-Sydney flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Atlanta-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Atlanta-Sydney flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Atlanta-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 April 25, 2025.

Booking 65 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, February is the cheapest month in which you can book a flight from Atlanta to Sydney (average of $1,046). Flying from Atlanta to Sydney in December is currently the most expensive (average of $1,643). 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 April 28, 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.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 April 28, 2025.
Get a feel of what it's like to fly with Korean Air, Fiji Airways and Alaska Airlines from Atlanta to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,063 reviews

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,063 reviews
Korean Air
8.4
Very good
1,063 reviews

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Fiji Airways
8.1
Very good
190 reviews
Korean Air
8.4
Very good
1,063 reviews

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Alaska Airlines
8.0
Very good
9,949 reviews
Korean Air
8.4
Very good
1,063 reviews

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
8.0
Very good
7,929 reviews
Korean Air
8.4
Very good
1,063 reviews

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air New Zealand
8.0
Very good
471 reviews
Korean Air
8.4
Very good
1,063 reviews

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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, United Airlines ($973), Delta ($992), and American Airlines ($1,203) offers the cheapest pricing from Atlanta to Sydney. You may be able to fly from Atlanta to Sydney for 16% 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 $937 on Cathay Pacific. Other airlines that offer cheap prices include Qantas Airways from $997 and Air Canada from $1,701 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 $40 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 $58 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, February is the cheapest month in which you can book a flight from Atlanta to Sydney (average of $1,046). Flying from Atlanta to Sydney in December is currently the most expensive (average of $1,643). 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?

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Wollongong
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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 8 airlines flying from Atlanta to Sydney

Discover the top 8 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 April 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$187Average$229FlexibilityNo cancel feeOn-time65%
Fiji AirwaysCheapest$715Average$1,470FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$828Average$932FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$830Average$1,095FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$840Average$1,085FlexibilityNo cancel feeOn-time69%
DeltaCheapest$892Average$1,568FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$998Average$1,476FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$1,331Average$1,670FlexibilityNo cancel feeOn-time78%

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