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Cheap flights from Atlanta to Sydney from $649

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 1/11. 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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Cheap return flights

Qantas Airways Logo
17:30 - 07:05ATL-SYD
23h 35m1 stop
Qantas Airways Logo
12:10 - 21:38SYD-ATL
23h 28m1 stop
$1,269Qantas Airways
Find Deal
Sat, 20 Sep - Fri, 3 Oct
United Airlines Logo
14:30 - 09:05ATL-SYD
26h 35m2 stops
United Airlines Logo
11:50 - 15:04SYD-ATL
19h 14m1 stop
$1,276United Airlines
Find Deal
Thu, 29 Jan - Thu, 12 Feb
Air Canada Logo
08:55 - 08:20ATL-SYD
56h 25m2 stops
Air Canada Logo
11:20 - 21:53SYD-ATL
26h 33m2 stops
$1,288Air Canada
Find Deal
Sat, 18 Oct - Sun, 16 Nov
Qantas Airways Logo
17:06 - 07:05ATL-SYD
23h 59m1 stop
Qantas Airways Logo
12:10 - 21:37SYD-ATL
23h 27m1 stop
$1,294Qantas Airways
Find Deal
Sun, 31 Aug - Sun, 7 Sep
Air Canada Logo
08:55 - 08:20ATL-SYD
56h 25m2 stops
Air Canada Logo
11:20 - 21:53SYD-ATL
50h 33m3 stops
$1,299Air Canada
Find Deal
Sat, 18 Oct - Sun, 16 Nov
American Airlines Logo
11:10 - 06:55ATL-SYD
29h 45m1 stop
American Airlines Logo
09:10 - 22:27SYD-ATL
27h 17m2 stops
$1,347American Airlines
Find Deal
Mon, 1 Sep - Mon, 15 Sep
American Airlines Logo
12:26 - 06:10ATL-SYD
25h 44m2 stops
American Airlines Logo
14:20 - 17:28SYD-ATL
19h 08m1 stop
$1,348American Airlines
Find Deal
Fri, 28 Nov - Wed, 10 Dec
United Airlines Logo
14:40 - 07:00ATL-SYD
26h 20m2 stops
United Airlines Logo
10:20 - 16:40SYD-ATL
20h 20m1 stop
$1,354United Airlines
Find Deal
Thu, 18 Sep - Thu, 25 Sep
Delta Logo
22:59 - 08:30ATL-SYD
41h 31m1 stop
Delta Logo
10:40 - 00:44SYD-ATL
30h 04m1 stop
$1,378Delta
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Fri, 28 Nov - Tue, 9 Dec
Delta Logo
22:59 - 08:30ATL-SYD
41h 31m1 stop
Delta Logo
10:40 - 23:31SYD-ATL
28h 51m2 stops
$1,385Delta
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Wed, 26 Nov - Sat, 13 Dec

Qantas Airways flights from Atlanta to Sydney

Our best Qantas Airways deals on Atlanta to Sydney flight tickets
Qantas Airways
20 Sept
ATL17:30Atlanta Hartsfield-Jackson
23h 35m
1 stop
SYD07:05Sydney Kingsford Smith
3 Oct
SYD12:10Sydney Kingsford Smith
23h 28m
1 stop
ATL21:38Atlanta Hartsfield-Jackson
$1,269
Find similar
Qantas Airways
31 Aug
ATL17:06Atlanta Hartsfield-Jackson
23h 59m
1 stop
SYD07:05Sydney Kingsford Smith
7 Sept
SYD12:10Sydney Kingsford Smith
23h 27m
1 stop
ATL21:37Atlanta Hartsfield-Jackson
$1,294
Find similar
Qantas Airways
3 Sept
ATL17:30Atlanta Hartsfield-Jackson
23h 35m
1 stop
SYD07:05Sydney Kingsford Smith
10 Sept
SYD12:10Sydney Kingsford Smith
19h 25m
1 stop
ATL17:35Atlanta Hartsfield-Jackson
$1,331
Find similar

Air Canada flights from Atlanta to Sydney

Our best Air Canada deals on Atlanta to Sydney flight tickets
Air Canada
18 Oct
ATL08:55Atlanta Hartsfield-Jackson
56h 25m
2 stops
SYD08:20Sydney Kingsford Smith
16 Nov
SYD11:20Sydney Kingsford Smith
26h 33m
2 stops
ATL21:53Atlanta Hartsfield-Jackson
$1,288
Find similar
Air Canada
18 Oct
ATL08:55Atlanta Hartsfield-Jackson
56h 25m
2 stops
SYD08:20Sydney Kingsford Smith
16 Nov
SYD11:20Sydney Kingsford Smith
50h 33m
3 stops
ATL21:53Atlanta Hartsfield-Jackson
$1,299
Find similar
Air Canada
12 Aug
ATL14:05Atlanta Hartsfield-Jackson
27h 15m
2 stops
SYD07:20Sydney Kingsford Smith
28 Oct
SYD10:20Sydney Kingsford Smith
50h 33m
3 stops
ATL21:53Atlanta Hartsfield-Jackson
$1,305
Find similar

momondo Fare Finder

 
Customise 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 78,305 searches. Data last updated 5 August 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

Sat 20/9

17:30-07:05

1 stop23h 35m

Sydney Kingsford Smith

Fri 3/10

12:10-21:38

1 stop23h 28m

$1,269

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Thu 29/1

14:30-09:05

2 stops26h 35m

Sydney Kingsford Smith

Thu 12/2

11:50-15:04

1 stop19h 14m

$1,276

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sat 18/10

08:55-08:20

2 stops56h 25m

Sydney Kingsford Smith

Sun 16/11

11:20-21:53

2 stops26h 33m

$1,288

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 31/8

17:06-07:05

1 stop23h 59m

Sydney Kingsford Smith

Sun 7/9

12:10-21:37

1 stop23h 27m

$1,294

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sat 18/10

08:55-08:20

2 stops56h 25m

Sydney Kingsford Smith

Sun 16/11

11:20-21:53

3 stops50h 33m

$1,299

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mon 1/9

11:10-06:55

1 stop29h 45m

Sydney Kingsford Smith

Mon 15/9

09:10-22:27

2 stops27h 17m

$1,347

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 28/11

12:26-06:10

2 stops25h 44m

Sydney Kingsford Smith

Wed 10/12

14:20-17:28

1 stop19h 08m

$1,348

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Thu 18/9

14:40-07:00

2 stops26h 20m

Sydney Kingsford Smith

Thu 25/9

10:20-16:40

1 stop20h 20m

$1,354

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Fri 28/11

22:59-08:30

1 stop41h 31m

Sydney Kingsford Smith

Tue 9/12

10:40-00:44

1 stop30h 04m

$1,378

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 26/11

22:59-08:30

1 stop41h 31m

Sydney Kingsford Smith

Sat 13/12

10:40-23:31

2 stops28h 51m

$1,385

Flights are sorted by cheapest return 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?

The month of March is, on average, the cheapest month to fly to Sydney from Atlanta, with most prices found around $1,393. If you aren’t able to travel to Sydney during the month of March, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $1,455.

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

Our data shows that Monday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,802. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $2,661.

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 in the afternoon. momondo users have found flights departing from Atlanta to Sydney in the afternoon for as low as $1,851. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $2,652 on average. Flights to Sydney from Atlanta in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 $1,722 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Atlanta for as low as $1,580 on momondo.

How have Atlanta to Sydney flight prices changed over time?

As of August 2025, prices for Atlanta to Sydney flights are approximately 58% 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 return 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

Best price found

$649

Fastest flight time

21h 45m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Atlanta in the past 72 hours is $649. The best return flight deal from Atlanta to Sydney found on momondo in the last 72 hours is $1,269.
The fastest flight from Atlanta to Sydney takes 21h 45m
There are no direct flights from Atlanta to Sydney. Popular non-direct route for this connection is Atlanta Hartsfield-Jackson Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
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  • How far is Atlanta Hartsfield-Jackson to Sydney Kingsford Smith by plane?

    The straight-line distance from Atlanta Hartsfield-Jackson to Sydney Kingsford Smith is 14934.9 km. In terms of flight time, this usually takes a little over 21h 45m.

  • 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 stopovers 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 required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • 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
United AirlinesPriceFrom $1,289Free cancellationRating
7.4
8,912 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,396Free cancellationRating
7.5
887 reviews
Search Qantas Airways flights

Travelling to a place near Sydney?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Atlanta to Sydney for you.

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

Yes. momondo enables you to select and highlight flights to Sydney from Atlanta with this policy.

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?

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Atlanta and alert you when they change.

An easier way to manage your Sydney trip

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