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Cheap flights from Atlanta to Sydney from $659

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 15/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

Qantas Airways Logo
17:40 - 08:05ATL-SYD
23h 25m1 stop
Qantas Airways Logo
14:05 - 19:27SYD-ATL
21h 22m1 stop
$1,273Qantas Airways
Find Deal
Wed, 22 Oct - Sun, 9 Nov
Qantas Airways Logo
18:01 - 07:30ATL-SYD
22h 29m1 stop
Qantas Airways Logo
13:05 - 21:59SYD-ATL
23h 54m1 stop
$1,281Qantas Airways
Find Deal
Mon, 20 Oct - Mon, 27 Oct
American Airlines Logo
17:00 - 09:00ATL-SYD
24h 00m1 stop
American Airlines Logo
11:15 - 16:48SYD-ATL
20h 33m1 stop
$1,317American Airlines
Find Deal
Sun, 8 Feb - Tue, 10 Mar
American Airlines Logo
17:56 - 09:00ATL-SYD
23h 04m1 stop
American Airlines Logo
17:45 - 04:23SYD-ATL
26h 38m1 stop
$1,319American Airlines
Find Deal
Thu, 13 Nov - Sat, 22 Nov
United Airlines Logo
09:20 - 06:20ATL-SYD
29h 00m2 stops
United Airlines Logo
10:20 - 23:19SYD-ATL
27h 59m2 stops
$1,344United Airlines
Find Deal
Mon, 19 Jan - Wed, 18 Mar
United Airlines Logo
17:41 - 09:15ATL-SYD
23h 34m1 stop
United Airlines Logo
14:00 - 21:40SYD-ATL
23h 40m2 stops
$1,350United Airlines
Find Deal
Wed, 26 Nov - Tue, 9 Dec
Delta Logo
16:50 - 08:30ATL-SYD
23h 40m1 stop
Delta Logo
10:40 - 00:56SYD-ATL
30h 16m1 stop
$1,352Delta
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Mon, 1 Dec - Thu, 11 Dec
Delta Logo
08:10 - 07:35ATL-SYD
32h 25m2 stops
Delta Logo
10:25 - 07:02SYD-ATL
35h 37m1 stop
$1,358Delta
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Sun, 19 Oct - Sun, 26 Oct
Multiple Airlines Logo
17:40 - 09:00ATL-SYD
24h 20m1 stop
Multiple Airlines Logo
11:20 - 21:53SYD-ATL
50h 33m2 stops
$1,403Multiple Airlines
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Sat, 1 Nov - Tue, 4 Nov
Multiple Airlines Logo
07:48 - 09:00ATL-SYD
34h 12m2 stops
Multiple Airlines Logo
10:20 - 06:10SYD-ATL
34h 50m2 stops
$1,703Multiple Airlines
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Tue, 14 Oct - Tue, 21 Oct

Qantas Airways flights from Atlanta to Sydney

Our best Qantas Airways deals on Atlanta to Sydney flight tickets
Qantas Airways
24 Sept
ATL17:35Atlanta Hartsfield-Jackson
23h 30m
1 stop
SYD07:05Sydney Kingsford Smith
1 Oct
SYD12:10Sydney Kingsford Smith
25h 56m
1 stop
ATL00:06Atlanta Hartsfield-Jackson
$1,212
Find similar
Qantas Airways
22 Oct
ATL17:40Atlanta Hartsfield-Jackson
23h 25m
1 stop
SYD08:05Sydney Kingsford Smith
9 Nov
SYD14:05Sydney Kingsford Smith
21h 22m
1 stop
ATL19:27Atlanta Hartsfield-Jackson
$1,273
Find similar
Qantas Airways
20 Oct
ATL18:01Atlanta Hartsfield-Jackson
22h 29m
1 stop
SYD07:30Sydney Kingsford Smith
27 Oct
SYD13:05Sydney Kingsford Smith
23h 54m
1 stop
ATL21:59Atlanta Hartsfield-Jackson
$1,281
Find similar

United Airlines flights from Atlanta to Sydney

Our best United Airlines deals on Atlanta to Sydney flight tickets
United Airlines
24 Sept
ATL16:05Atlanta Hartsfield-Jackson
24h 50m
2 stops
SYD06:55Sydney Kingsford Smith
1 Oct
SYD10:20Sydney Kingsford Smith
20h 20m
1 stop
ATL16:40Atlanta Hartsfield-Jackson
$1,262
Find similar
United Airlines
28 Sept
ATL07:15Atlanta Hartsfield-Jackson
33h 45m
2 stops
SYD07:00Sydney Kingsford Smith
5 Oct
SYD11:20Sydney Kingsford Smith
20h 20m
1 stop
ATL16:40Atlanta Hartsfield-Jackson
$1,268
Find similar
United Airlines
27 Sept
ATL16:43Atlanta Hartsfield-Jackson
48h 17m
2 stops
SYD07:00Sydney Kingsford Smith
14 Oct
SYD11:20Sydney Kingsford Smith
25h 13m
2 stops
ATL21:33Atlanta Hartsfield-Jackson
$1,288
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 22 September 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 22/10

17:40-08:05

1 stop23h 25m

Sydney Kingsford Smith

Sun 9/11

14:05-19:27

1 stop21h 22m

$1,273

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mon 20/10

18:01-07:30

1 stop22h 29m

Sydney Kingsford Smith

Mon 27/10

13:05-21:59

1 stop23h 54m

$1,281

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 8/2

17:00-09:00

1 stop24h 00m

Sydney Kingsford Smith

Tue 10/3

11:15-16:48

1 stop20h 33m

$1,317

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Thu 13/11

17:56-09:00

1 stop23h 04m

Sydney Kingsford Smith

Sat 22/11

17:45-04:23

1 stop26h 38m

$1,319

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mon 19/1

09:20-06:20

2 stops29h 00m

Sydney Kingsford Smith

Wed 18/3

10:20-23:19

2 stops27h 59m

$1,344

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Wed 26/11

17:41-09:15

1 stop23h 34m

Sydney Kingsford Smith

Tue 9/12

14:00-21:40

2 stops23h 40m

$1,350

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Mon 1/12

16:50-08:30

1 stop23h 40m

Sydney Kingsford Smith

Thu 11/12

10:40-00:56

1 stop30h 16m

$1,352

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sun 19/10

08:10-07:35

2 stops32h 25m

Sydney Kingsford Smith

Sun 26/10

10:25-07:02

1 stop35h 37m

$1,358

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Sat 1/11

17:40-09:00

1 stop24h 20m

Sydney Kingsford Smith

Tue 4/11

11:20-21:53

2 stops50h 33m

$1,403

AtlantaSydney

ATL - SYD

ATLSYD

Atlanta Hartsfield-Jackson

Tue 14/10

07:48-09:00

2 stops34h 12m

Sydney Kingsford Smith

Tue 21/10

10:20-06:10

2 stops34h 50m

$1,703

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

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 $1,349. 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 $1,428.

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 $1,768. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $2,611.

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 $1,817. 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 $2,603 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 $1,643 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 $1,396 on momondo.

How have Atlanta to Sydney flight prices changed over time?

As of September 2025, prices for Atlanta to Sydney flights are approximately 55% 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

Direct flights

None
There are no direct flights from Atlanta to Sydney. There are no popular flight routes from Atlanta to Sydney.
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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 59m.

  • 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
Qantas AirwaysPriceFrom $1,170Free cancellationRating
7.5
908 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $1,265Free cancellationRating
7.4
8,922 reviews
Search United Airlines flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Terrigal
Penrith
Katoomba
Lithgow
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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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