Cheap flights from Atlanta to Sydney from $533

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Atlanta to Sydney departing on 2/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
4:02 pm - 9:20 am
ATL
-
SYD
26h 18m2 stops
Qantas Airways Logo
12:00 pm - 5:28 pm
SYD
-
ATL
19h 28m1 stop
$855Qantas Airways
Wed, Mar 18 - Thu, Apr 9
Qantas Airways Logo
4:02 pm - 9:20 am
ATL
-
SYD
26h 18m2 stops
Qantas Airways Logo
12:00 pm - 7:38 pm
SYD
-
ATL
21h 38m1 stop
$863Qantas Airways
Wed, Mar 18 - Wed, Apr 8
Qantas Airways Logo
3:55 pm - 9:20 am
ATL
-
SYD
25h 25m2 stops
Qantas Airways Logo
2:05 pm - 5:35 pm
SYD
-
ATL
19h 30m1 stop
$868Qantas Airways
Fri, Feb 20 - Thu, Mar 5
Qantas Airways Logo
6:43 pm - 10:55 am
ATL
-
SYD
24h 12m2 stops
Qantas Airways Logo
2:05 pm - 5:45 pm
SYD
-
ATL
19h 40m1 stop
$891Qantas Airways
Mon, Feb 2 - Wed, Feb 11
Qantas Airways Logo
3:55 pm - 9:20 am
ATL
-
SYD
25h 25m2 stops
Qantas Airways Logo
2:05 pm - 5:35 pm
SYD
-
ATL
19h 30m1 stop
$898Qantas Airways
Fri, Feb 20 - Thu, Mar 5
Qantas Airways Logo
4:02 pm - 9:20 am
ATL
-
SYD
26h 18m2 stops
Qantas Airways Logo
1:05 pm - 1:29 pm
SYD
-
ATL
39h 24m1 stop
$908Qantas Airways
Wed, Mar 11 - Thu, Mar 19
Qantas Airways Logo
6:25 pm - 9:30 pm
ATL
-
SYD
35h 05m2 stops
Qantas Airways Logo
2:05 pm - 5:35 pm
SYD
-
ATL
19h 30m1 stop
$925Qantas Airways
Fri, Feb 20 - Thu, Mar 5
Qantas Airways Logo
4:02 pm - 9:20 am
ATL
-
SYD
26h 18m2 stops
Qantas Airways Logo
12:00 pm - 5:28 pm
SYD
-
ATL
19h 28m1 stop
$937Qantas Airways
Wed, Mar 18 - Thu, Apr 9
Qantas Airways Logo
6:43 pm - 2:25 pm
ATL
-
SYD
27h 42m2 stops
Qantas Airways Logo
2:05 pm - 5:45 pm
SYD
-
ATL
19h 40m1 stop
$945Qantas Airways
Mon, Feb 2 - Wed, Feb 11
Qantas Airways Logo
6:43 pm - 10:55 am
ATL
-
SYD
24h 12m2 stops
Qantas Airways Logo
2:05 pm - 5:45 pm
SYD
-
ATL
19h 40m1 stop
$962Qantas Airways
Fri, Jan 30 - Fri, Feb 6

Qantas Airways flights from Atlanta to Sydney

Our best Qantas Airways deals on Atlanta to Sydney flight tickets
Qantas Airways
Mar 18
ATL4:02 pmAtlanta Hartsfield-Jackson
26h 18m
2 stops
SYD9:20 amSydney Kingsford Smith
Apr 9
SYD12:00 pmSydney Kingsford Smith
19h 28m
1 stop
ATL5:28 pmAtlanta Hartsfield-Jackson
Qantas Airways
Mar 18
ATL4:02 pmAtlanta Hartsfield-Jackson
26h 18m
2 stops
SYD9:20 amSydney Kingsford Smith
Apr 8
SYD12:00 pmSydney Kingsford Smith
21h 38m
1 stop
ATL7:38 pmAtlanta Hartsfield-Jackson
Qantas Airways
Feb 20
ATL3:55 pmAtlanta Hartsfield-Jackson
25h 25m
2 stops
SYD9:20 amSydney Kingsford Smith
Mar 5
SYD2:05 pmSydney Kingsford Smith
19h 30m
1 stop
ATL5:35 pmAtlanta Hartsfield-Jackson

United Airlines flights from Atlanta to Sydney

Our best United Airlines deals on Atlanta to Sydney flight tickets
United Airlines
Feb 28
ATL7:01 pmAtlanta Hartsfield-Jackson
46h 39m
2 stops
SYD9:40 amSydney Kingsford Smith
Mar 3
SYD12:10 pmSydney Kingsford Smith
25h 43m
2 stops
ATL9:53 pmAtlanta Hartsfield-Jackson
United Airlines
Dec 23
ATL7:10 amAtlanta Hartsfield-Jackson
31h 50m
1 stop
SYD7:00 amSydney Kingsford Smith
Dec 30
SYD9:00 amSydney Kingsford Smith
37h 28m
2 stops
ATL6:28 amAtlanta Hartsfield-Jackson
United Airlines
Dec 23
ATL8:34 amAtlanta Hartsfield-Jackson
32h 41m
2 stops
SYD9:15 amSydney Kingsford Smith
Dec 30
SYD9:00 amSydney Kingsford Smith
37h 28m
2 stops
ATL6:28 amAtlanta Hartsfield-Jackson

momondo 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
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

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 3/18

4:02 pm-9:20 am

2 stops26h 18m

Sydney Kingsford Smith

Thu 4/9

12:00 pm-5:28 pm

1 stop19h 28m

$855

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 3/18

4:02 pm-9:20 am

2 stops26h 18m

Sydney Kingsford Smith

Wed 4/8

12:00 pm-7:38 pm

1 stop21h 38m

$863

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 2/20

3:55 pm-9:20 am

2 stops25h 25m

Sydney Kingsford Smith

Thu 3/5

2:05 pm-5:35 pm

1 stop19h 30m

$868

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mon 2/2

6:43 pm-10:55 am

2 stops24h 12m

Sydney Kingsford Smith

Wed 2/11

2:05 pm-5:45 pm

1 stop19h 40m

$891

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 2/20

3:55 pm-9:20 am

2 stops25h 25m

Sydney Kingsford Smith

Thu 3/5

2:05 pm-5:35 pm

1 stop19h 30m

$898

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 3/11

4:02 pm-9:20 am

2 stops26h 18m

Sydney Kingsford Smith

Thu 3/19

1:05 pm-1:29 pm

1 stop39h 24m

$908

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 2/20

6:25 pm-9:30 pm

2 stops35h 05m

Sydney Kingsford Smith

Thu 3/5

2:05 pm-5:35 pm

1 stop19h 30m

$925

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 3/18

4:02 pm-9:20 am

2 stops26h 18m

Sydney Kingsford Smith

Thu 4/9

12:00 pm-5:28 pm

1 stop19h 28m

$937

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mon 2/2

6:43 pm-2:25 pm

2 stops27h 42m

Sydney Kingsford Smith

Wed 2/11

2:05 pm-5:45 pm

1 stop19h 40m

$945

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 1/30

6:43 pm-10:55 am

2 stops24h 12m

Sydney Kingsford Smith

Fri 2/6

2:05 pm-5:45 pm

1 stop19h 40m

$962

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from Atlanta to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Sydney?

In general, March is the cheapest month to fly from Atlanta to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $882. If you are unable to visit Sydney during the month of March, then departing from Atlanta during the month October is also very affordable. Most momondo users find prices during this month for around $898.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from Atlanta to Sydney is on a Monday when prices can be found for as low as $1,288. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $1,489.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is at noon. momondo users have found flights departing from Atlanta to Sydney at noon for as low as $1,227. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the afternoon, with an average ticket price of $1,390. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,057 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Atlanta for as low as $981 on momondo.

Can stopping save me money on Atlanta to Sydney flights?

You could potentially save up to 7% on your flight if you consider stops on a Atlanta to Sydney flight.

How have Atlanta to Sydney flight prices changed over time?

As of December 2025, prices for Atlanta to Sydney flights are approximately 64% cheaper when compared to flights at the same time last year.

When to book flights from Atlanta to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Atlanta to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Atlanta to Sydney (ATL to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Atlanta to Sydney

Fastest flight time

22h 05m

Direct flights

None
The fastest flight from Atlanta to Sydney takes 22h 05m
There are no direct flights from Atlanta to Sydney. There are no popular flight routes from Atlanta to Sydney.
  • How far is Atlanta Hartsfield-Jackson to Sydney Kingsford Smith by plane?

    Atlanta Hartsfield-Jackson and Sydney Kingsford Smith are 9280.2 mi apart from one another. By plane, this route typically takes 22h 05m.

  • When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Atlanta Hartsfield-Jackson Airport to Sydney Kingsford Smith Airport are updated daily.

  • How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Atlanta Hartsfield-Jackson Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Atlanta to Sydney?

Best airlines flying from Atlanta to Sydney

Compare and see reviews for airlines that fly from Atlanta to Sydney with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $488Free CancellationRating
7.1
10,536 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $813Free CancellationRating
7.5
947 reviews
Search Qantas Airways flights
DeltaPriceFrom $833Free CancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $835Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom $845Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
Fiji AirwaysPriceFrom $943Free CancellationRating
8.1
210 reviews
Search Fiji Airways flights
Air New ZealandPriceFrom $1,175Free CancellationRating
8.0
554 reviews
Search Air New Zealand flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Katoomba
Wollongong
Randwick
Coogee
Manly
Penrith
Cronulla
Lithgow
Leura
Charlestown
Terrigal
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Atlanta to Sydney?

It is quick and easy to find Atlanta to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

Can I find flights from Atlanta to Sydney with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Atlanta to Sydney flights to just show those with flexible booking policies.

How can momondo help me find flights from Atlanta to Sydney?

momondo provides multiple filters to help you find the best flight to Sydney from Atlanta. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Atlanta to Sydney right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Atlanta to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Sat 1/17
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