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Cheap flights from Atlanta to Sydney from $638

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 10/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Atlanta to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:49 pm - 10:25 pmATL  Atlanta Hartsfield-Jackson-SYD Sydney Kingsford Smith
40h 36m2 stops Los Angeles Nadi
Multiple Airlines Logo
6:15 am - 7:03 amSYD  Sydney Kingsford Smith-ATL Atlanta Hartsfield-Jackson
38h 48m2 stops Nadi Los Angeles
$1,102Multiple Airlines
Tue, Sep 22 - Tue, Sep 29
Multiple Airlines Logo
9:58 am - 11:50 amATL  Atlanta Hartsfield-Jackson-SYD Sydney Kingsford Smith
35h 52m2 stops Los Angeles Nadi
Multiple Airlines Logo
1:15 pm - 7:03 amSYD  Sydney Kingsford Smith-ATL Atlanta Hartsfield-Jackson
31h 48m2 stops Nadi Los Angeles
$1,111Multiple Airlines
Fri, Sep 25 - Fri, Oct 2
Qantas Airways Logo
6:43 pm - 11:05 amATL  Atlanta Hartsfield-Jackson-SYD Sydney Kingsford Smith
24h 22m2 stops Dallas/Fort Worth Brisbane
Qantas Airways Logo
2:05 pm - 7:21 pmSYD  Sydney Kingsford Smith-ATL Atlanta Hartsfield-Jackson
21h 16m1 stop Dallas/Fort Worth
$1,191Qantas Airways
Sun, Feb 7 - Sun, Feb 28
Qantas Airways Logo
6:42 pm - 11:05 amATL  Atlanta Hartsfield-Jackson-SYD Sydney Kingsford Smith
24h 23m2 stops Dallas/Fort Worth Brisbane
Qantas Airways Logo
2:05 pm - 7:12 pmSYD  Sydney Kingsford Smith-ATL Atlanta Hartsfield-Jackson
21h 07m1 stop Dallas/Fort Worth
$1,200Qantas Airways
Sun, Feb 7 - Sun, Feb 28
Air New Zealand Logo
9:20 am - 8:35 amATL  Atlanta Hartsfield-Jackson-SYD Sydney Kingsford Smith
31h 15m2 stops Houston George Bush Intcntl Auckland Intl
Air New Zealand Logo
9:55 am - 9:11 pmSYD  Sydney Kingsford Smith-ATL Atlanta Hartsfield-Jackson
27h 16m2 stops Auckland Intl Houston George Bush Intcntl
$1,224Air New Zealand
Tue, Nov 3 - Tue, Nov 17
Air New Zealand Logo
9:20 am - 10:35 amATL  Atlanta Hartsfield-Jackson-SYD Sydney Kingsford Smith
33h 15m2 stops Houston George Bush Intcntl Auckland Intl
Air New Zealand Logo
9:55 am - 9:11 pmSYD  Sydney Kingsford Smith-ATL Atlanta Hartsfield-Jackson
27h 16m2 stops Auckland Intl Houston George Bush Intcntl
$1,235Air New Zealand
Tue, Nov 3 - Tue, Nov 17
Delta Logo
5:50 pm - 7:50 amATL  Atlanta Hartsfield-Jackson-SYD Sydney Kingsford Smith
23h 00m1 stop Los Angeles
Delta Logo
10:15 am - 4:31 pmSYD  Sydney Kingsford Smith-ATL Atlanta Hartsfield-Jackson
21h 16m1 stop Los Angeles
$1,353Delta
Mon, Oct 12 - Wed, Oct 21
Delta Logo
12:35 pm - 8:30 amATL  Atlanta Hartsfield-Jackson-SYD Sydney Kingsford Smith
27h 55m1 stop Los Angeles
Delta Logo
10:40 am - 7:53 pmSYD  Sydney Kingsford Smith-ATL Atlanta Hartsfield-Jackson
25h 13m1 stop Los Angeles
$1,353Delta
Tue, Nov 17 - Wed, Dec 23
United Airlines Logo
7:00 am - 7:00 amATL  Atlanta Hartsfield-Jackson-SYD Sydney Kingsford Smith
32h 00m1 stop Houston George Bush Intcntl
United Airlines Logo
11:50 am - 6:12 pmSYD  Sydney Kingsford Smith-ATL Atlanta Hartsfield-Jackson
22h 22m1 stop San Francisco
$1,353United Airlines
Tue, Nov 3 - Tue, Dec 1
United Airlines Logo
9:23 am - 9:20 amATL  Atlanta Hartsfield-Jackson-SYD Sydney Kingsford Smith
31h 57m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
9:20 am - 5:34 pmSYD  Sydney Kingsford Smith-ATL Atlanta Hartsfield-Jackson
24h 14m1 stop Houston George Bush Intcntl
$1,353United Airlines
Tue, Nov 3 - Tue, Dec 1

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Air New Zealand flights from Atlanta to Sydney

Our best Air New Zealand deals on Atlanta to Sydney flight tickets
Air New Zealand
Nov 3
ATL9:20 amAtlanta Hartsfield-Jackson
31h 15m
2 stops
SYD8:35 amSydney Kingsford Smith
Nov 17
SYD9:55 amSydney Kingsford Smith
27h 16m
2 stops
ATL9:11 pmAtlanta Hartsfield-Jackson
$1,224
Air New Zealand
Nov 3
ATL9:20 amAtlanta Hartsfield-Jackson
33h 15m
2 stops
SYD10:35 amSydney Kingsford Smith
Nov 17
SYD9:55 amSydney Kingsford Smith
27h 16m
2 stops
ATL9:11 pmAtlanta Hartsfield-Jackson
$1,235
Air New Zealand
Sep 2
ATL6:58 pmAtlanta Hartsfield-Jackson
33h 12m
2 stops
SYD6:10 pmSydney Kingsford Smith
Sep 9
SYD11:55 amSydney Kingsford Smith
23h 25m
2 stops
ATL9:20 pmAtlanta Hartsfield-Jackson
$1,243

United Airlines flights from Atlanta to Sydney

Our best United Airlines deals on Atlanta to Sydney flight tickets
United Airlines
Aug 16
ATL4:03 pmAtlanta Hartsfield-Jackson
24h 57m
2 stops
SYD7:00 amSydney Kingsford Smith
Aug 30
SYD10:20 amSydney Kingsford Smith
19h 51m
1 stop
ATL4:11 pmAtlanta Hartsfield-Jackson
$1,339
United Airlines
Aug 16
ATL5:23 pmAtlanta Hartsfield-Jackson
23h 32m
1 stop
SYD6:55 amSydney Kingsford Smith
Aug 30
SYD10:20 amSydney Kingsford Smith
19h 51m
1 stop
ATL4:11 pmAtlanta Hartsfield-Jackson
$1,348
United Airlines
Aug 16
ATL4:03 pmAtlanta Hartsfield-Jackson
24h 52m
2 stops
SYD6:55 amSydney Kingsford Smith
Aug 23
SYD10:20 amSydney Kingsford Smith
19h 51m
1 stop
ATL4:11 pmAtlanta Hartsfield-Jackson
$1,352

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 August 12, 2026.
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

Cheapest round-trip

AtlantaSydney

ATL Atlanta Hartsfield-Jackson - SYD Sydney Kingsford Smith

ATLSYD

Atlanta Hartsfield-Jackson

Tue 9/22

3:49 pm-10:25 pm

2 stops40h 36m

Sydney Kingsford Smith

Tue 9/29

6:15 am-7:03 am

2 stops38h 48m

$1,102

AtlantaSydney

ATL Atlanta Hartsfield-Jackson - SYD Sydney Kingsford Smith

ATLSYD

Atlanta Hartsfield-Jackson

Fri 9/25

9:58 am-11:50 am

2 stops35h 52m

Sydney Kingsford Smith

Fri 10/2

1:15 pm-7:03 am

2 stops31h 48m

$1,111

AtlantaSydney

ATL Atlanta Hartsfield-Jackson - SYD Sydney Kingsford Smith

ATLSYD

Atlanta Hartsfield-Jackson

Sun 2/7

6:43 pm-11:05 am

2 stops24h 22m

Sydney Kingsford Smith

Sun 2/28

2:05 pm-7:21 pm

1 stop21h 16m

$1,191

AtlantaSydney

ATL Atlanta Hartsfield-Jackson - SYD Sydney Kingsford Smith

ATLSYD

Atlanta Hartsfield-Jackson

Sun 2/7

6:42 pm-11:05 am

2 stops24h 23m

Sydney Kingsford Smith

Sun 2/28

2:05 pm-7:12 pm

1 stop21h 07m

$1,200

AtlantaSydney

ATL Atlanta Hartsfield-Jackson - SYD Sydney Kingsford Smith

ATLSYD

Atlanta Hartsfield-Jackson

Tue 11/3

9:20 am-8:35 am

2 stops31h 15m

Sydney Kingsford Smith

Tue 11/17

9:55 am-9:11 pm

2 stops27h 16m

$1,224

AtlantaSydney

ATL Atlanta Hartsfield-Jackson - SYD Sydney Kingsford Smith

ATLSYD

Atlanta Hartsfield-Jackson

Tue 11/3

9:20 am-10:35 am

2 stops33h 15m

Sydney Kingsford Smith

Tue 11/17

9:55 am-9:11 pm

2 stops27h 16m

$1,235
Quickest round-trip

AtlantaSydney

ATL Atlanta Hartsfield-Jackson - SYD Sydney Kingsford Smith

ATLSYD

Atlanta Hartsfield-Jackson

Mon 10/12

5:50 pm-7:50 am

1 stop23h 00m

Sydney Kingsford Smith

Wed 10/21

10:15 am-4:31 pm

1 stop21h 16m

$1,353

AtlantaSydney

ATL Atlanta Hartsfield-Jackson - SYD Sydney Kingsford Smith

ATLSYD

Atlanta Hartsfield-Jackson

Tue 11/17

12:35 pm-8:30 am

1 stop27h 55m

Sydney Kingsford Smith

Wed 12/23

10:40 am-7:53 pm

1 stop25h 13m

$1,353

AtlantaSydney

ATL Atlanta Hartsfield-Jackson - SYD Sydney Kingsford Smith

ATLSYD

Atlanta Hartsfield-Jackson

Tue 11/3

7:00 am-7:00 am

1 stop32h 00m

Sydney Kingsford Smith

Tue 12/1

11:50 am-6:12 pm

1 stop22h 22m

$1,353

AtlantaSydney

ATL Atlanta Hartsfield-Jackson - SYD Sydney Kingsford Smith

ATLSYD

Atlanta Hartsfield-Jackson

Tue 11/3

9:23 am-9:20 am

2 stops31h 57m

Sydney Kingsford Smith

Tue 12/1

9:20 am-5:34 pm

1 stop24h 14m

$1,353

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 typical price of a round-trip flight between Atlanta and Sydney?

Prices are currently typical for flights on this route.

Typical prices usually range from $944 to $1,636.
The lowest price recently found on this route was $1,102.

What is the cheapest month to fly to Sydney?

In general, February 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 $1,212. If you are unable to visit Sydney during the month of February, then departing from Atlanta during the month May is also very affordable. Most momondo users find prices during this month for around $1,241.

How far in advance should I book a flight from Atlanta 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 $1,381 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 $1,194 on momondo.

How have Atlanta to Sydney flight prices changed over time?

As of August 2026, prices for Atlanta to Sydney flights are approximately 36% 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

24h 23m

Direct flights

None
The fastest flight from Atlanta to Sydney takes 24h 23m
There are no direct flights from Atlanta to Sydney. There are no popular flight routes from Atlanta to Sydney.
Search flight deals

Frequently asked questions about flying 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 24h 23m.

  • 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
DeltaPriceFrom $502Free CancellationRating
7.8
8,505 reviews
Search Delta flights
Fiji AirwaysPriceFrom $686Free CancellationRating
8.0
252 reviews
Search Fiji Airways flights
United AirlinesPriceFrom $805Free CancellationRating
7.4
10,111 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $864Free CancellationRating
7.5
1,081 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $869Free CancellationRating
7.1
11,913 reviews
Search American Airlines flights
Air New ZealandPriceFrom $1,150Free CancellationRating
8.0
660 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
Wollongong
Penrith
Katoomba
Leura
Cronulla
Randwick
Manly
Lithgow
Coogee
Terrigal
Charlestown
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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