Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Atlanta to Sydney from $551

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 2/14. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Atlanta to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
4:02 pm - 12:15 pm
ATL
-
SYD
29h 13m2 stops
Qantas Airways Logo
12:00 pm - 7:38 pm
SYD
-
ATL
21h 38m1 stop
$869Qantas Airways
Wed, Mar 25 - Tue, Apr 7
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
$892Qantas Airways
Mon, Feb 2 - Wed, Feb 11
Qantas Airways Logo
3:55 pm - 12:15 pm
ATL
-
SYD
28h 20m2 stops
Qantas Airways Logo
2:05 pm - 5:35 pm
SYD
-
ATL
19h 30m1 stop
$902Qantas Airways
Fri, Feb 20 - Thu, Mar 5
Qantas Airways Logo
4:34 pm - 6:55 am
ATL
-
SYD
22h 21m1 stop
Qantas Airways Logo
6:05 am - 5:35 pm
SYD
-
ATL
27h 30m2 stops
$918Qantas Airways
Fri, Feb 20 - Fri, Mar 6
Qantas Airways Logo
2:55 pm - 10:55 am
ATL
-
SYD
28h 00m2 stops
Qantas Airways Logo
1:05 pm - 5:39 pm
SYD
-
ATL
19h 34m1 stop
$939Qantas Airways
Fri, Jan 30 - Sun, Mar 15
Qantas Airways Logo
2:55 pm - 1:00 pm
ATL
-
SYD
30h 05m2 stops
Qantas Airways Logo
2:05 pm - 9:57 pm
SYD
-
ATL
23h 52m1 stop
$957Qantas Airways
Fri, Jan 30 - Sat, Mar 7
Qantas Airways Logo
2:55 pm - 1:00 pm
ATL
-
SYD
30h 05m2 stops
Qantas Airways Logo
2:05 pm - 9:57 pm
SYD
-
ATL
23h 52m1 stop
$958Qantas Airways
Fri, Jan 30 - Sat, Mar 7
Qantas Airways Logo
4:50 pm - 10:55 am
ATL
-
SYD
26h 05m2 stops
Qantas Airways Logo
1:05 pm - 7:22 pm
SYD
-
ATL
21h 17m1 stop
$1,041Qantas Airways
Fri, Jan 30 - Sun, Mar 15
Qantas Airways Logo
4:02 pm - 10:55 am
ATL
-
SYD
27h 53m2 stops
Qantas Airways Logo
1:05 pm - 7:22 pm
SYD
-
ATL
21h 17m1 stop
$1,052Qantas Airways
Wed, Mar 11 - Thu, Mar 26
Air Canada Logo
12:55 pm - 9:35 am
ATL
-
SYD
28h 40m2 stops
Air Canada Logo
11:20 am - 9:53 pm
SYD
-
ATL
26h 33m2 stops
$1,055Air Canada
Sun, Feb 1 - Sun, Feb 8

Qantas Airways flights from Atlanta to Sydney

Our best Qantas Airways deals on Atlanta to Sydney flight tickets
Qantas Airways
Mar 25
ATL4:02 pmAtlanta Hartsfield-Jackson
29h 13m
2 stops
SYD12:15 pmSydney Kingsford Smith
Apr 7
SYD12:00 pmSydney Kingsford Smith
21h 38m
1 stop
ATL7:38 pmAtlanta Hartsfield-Jackson
$869
Find similar
Qantas Airways
Feb 2
ATL6:43 pmAtlanta Hartsfield-Jackson
24h 12m
2 stops
SYD10:55 amSydney Kingsford Smith
Feb 11
SYD2:05 pmSydney Kingsford Smith
19h 40m
1 stop
ATL5:45 pmAtlanta Hartsfield-Jackson
$892
Find similar
Qantas Airways
Feb 20
ATL3:55 pmAtlanta Hartsfield-Jackson
28h 20m
2 stops
SYD12:15 pmSydney Kingsford Smith
Mar 5
SYD2:05 pmSydney Kingsford Smith
19h 30m
1 stop
ATL5:35 pmAtlanta Hartsfield-Jackson
$902
Find similar

United Airlines flights from Atlanta to Sydney

Our best United Airlines deals on Atlanta to Sydney flight tickets
United Airlines
Mar 22
ATL8:15 amAtlanta Hartsfield-Jackson
33h 50m
2 stops
SYD9:05 amSydney Kingsford Smith
Mar 24
SYD1:00 pmSydney Kingsford Smith
44h 25m
2 stops
ATL6:25 pmAtlanta Hartsfield-Jackson
$1,138
Find similar
United Airlines
Mar 3
ATL4:02 pmAtlanta Hartsfield-Jackson
22h 58m
1 stop
SYD7:00 amSydney Kingsford Smith
Mar 11
SYD11:50 amSydney Kingsford Smith
21h 10m
1 stop
ATL6:00 pmAtlanta Hartsfield-Jackson
$1,159
Find similar
United Airlines
Feb 8
ATL7:00 amAtlanta Hartsfield-Jackson
32h 00m
1 stop
SYD7:00 amSydney Kingsford Smith
Mar 10
SYD10:25 amSydney Kingsford Smith
22h 36m
2 stops
ATL6:01 pmAtlanta Hartsfield-Jackson
$1,164
Find similar

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 28, 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 3/25

4:02 pm-12:15 pm

2 stops29h 13m

Sydney Kingsford Smith

Tue 4/7

12:00 pm-7:38 pm

1 stop21h 38m

$869

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

$892

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 2/20

3:55 pm-12:15 pm

2 stops28h 20m

Sydney Kingsford Smith

Thu 3/5

2:05 pm-5:35 pm

1 stop19h 30m

$902

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 2/20

4:34 pm-6:55 am

1 stop22h 21m

Sydney Kingsford Smith

Fri 3/6

6:05 am-5:35 pm

2 stops27h 30m

$918

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 1/30

2:55 pm-10:55 am

2 stops28h 00m

Sydney Kingsford Smith

Sun 3/15

1:05 pm-5:39 pm

1 stop19h 34m

$939

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 1/30

2:55 pm-1:00 pm

2 stops30h 05m

Sydney Kingsford Smith

Sat 3/7

2:05 pm-9:57 pm

1 stop23h 52m

$957

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 1/30

2:55 pm-1:00 pm

2 stops30h 05m

Sydney Kingsford Smith

Sat 3/7

2:05 pm-9:57 pm

1 stop23h 52m

$958

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 1/30

4:50 pm-10:55 am

2 stops26h 05m

Sydney Kingsford Smith

Sun 3/15

1:05 pm-7:22 pm

1 stop21h 17m

$1,041

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 3/11

4:02 pm-10:55 am

2 stops27h 53m

Sydney Kingsford Smith

Thu 3/26

1:05 pm-7:22 pm

1 stop21h 17m

$1,052

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 2/1

12:55 pm-9:35 am

2 stops28h 40m

Sydney Kingsford Smith

Sun 2/8

11:20 am-9:53 pm

2 stops26h 33m

$1,055

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

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 $884. 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 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 8% 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

25h 15m

Direct flights

None
The fastest flight from Atlanta to Sydney takes 25h 15m
There are no direct flights from Atlanta to Sydney. There are no popular flight routes from Atlanta to Sydney.
Search flight deals

  • 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 25h 15m.

  • 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
10,562 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $811Free CancellationRating
7.5
957 reviews
Search Qantas Airways flights
DeltaPriceFrom $831Free CancellationRating
7.9
8,019 reviews
Search Delta flights
American AirlinesPriceFrom $833Free CancellationRating
7.2
11,072 reviews
Search American Airlines flights
United AirlinesPriceFrom $845Free CancellationRating
7.4
9,113 reviews
Search United Airlines flights
Fiji AirwaysPriceFrom $943Free CancellationRating
8.0
212 reviews
Search Fiji Airways flights
Air New ZealandPriceFrom $1,175Free CancellationRating
8.0
561 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.

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 1/27
Tue 2/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia