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Flights from Atlanta to Sydney

Find flight deals from Atlanta to Sydney for the next 3 months. Book one way flights from $628 or round trip flights from $1,103.

      • ATL 10:12 AM
        30h 43m
        1 stop
        SYD 6:55 AM
        Atlanta - Sydney | Thu, May 21 | United Airlines
        SYD 10:20 AM
        33h
        1 stop
        ATL 5:20 AM
        Sydney - Atlanta | Thu, May 28 | United Airlines
        $1,103 $1,839
        40% off
        40% off
        $1,839 $1,103
      • ATL 6:30 AM
        34h 25m
        1 stop
        SYD 6:55 AM
        Atlanta - Sydney | Wed, May 27 | United Airlines
        SYD 10:20 AM
        20h 34m
        1 stop
        ATL 4:54 PM
        Sydney - Atlanta | Wed, Jun 3 | United Airlines
        $1,105 $1,839
        40% off
        40% off
        $1,839 $1,105
      • ATL 11:30 AM
        29h 20m
        1 stop
        SYD 6:50 AM
        Atlanta - Sydney | Wed, May 27 | Delta Air Lines
        SYD 9:15 AM
        25h 25m
        1 stop
        ATL 8:40 PM
        Sydney - Atlanta | Wed, Jun 3 | Delta Air Lines
        $1,146 $1,839
        38% off
        38% off
        $1,839 $1,146
      • ATL 3:30 PM
        25h 20m
        1 stop
        SYD 6:50 AM
        Atlanta - Sydney | Tue, May 19 | Delta Air Lines
        SYD 9:15 AM
        24h 15m
        1 stop
        ATL 7:30 PM
        Sydney - Atlanta | Tue, May 26 | Delta Air Lines
        $1,152
        37% off
        $1,839 $1,152
      • ATL 4:15 PM
        24h 40m
        1 stop
        SYD 6:55 AM
        Atlanta - Sydney | Wed, May 27 | Qantas Airways
        SYD 12:00 PM
        24h 43m
        1 stop
        ATL 10:43 PM
        Sydney - Atlanta | Wed, Jun 3 | Qantas Airways
        $1,157
        37% off
        $1,839 $1,157
      • ATL 7:12 PM
        21h 43m
        1 stop
        SYD 6:55 AM
        Atlanta - Sydney | Tue, May 19 | United Airlines
        SYD 10:20 AM
        33h
        1 stop
        ATL 5:20 AM
        Sydney - Atlanta | Tue, May 26 | United Airlines
        $1,161
        37% off
        $1,839 $1,161
      • ATL 10:12 AM
        30h 43m
        1 stop
        SYD 6:55 AM
        Atlanta - Sydney | Thu, Jun 4 | United Airlines
        SYD 10:20 AM
        33h
        1 stop
        ATL 5:20 AM
        Sydney - Atlanta | Thu, Jun 11 | United Airlines
        $1,221
        34% off
        $1,839 $1,221
      • ATL 6:40 PM
        22h 15m
        1 stop
        SYD 6:55 AM
        Atlanta - Sydney | Tue, May 19 | Qantas Airways
        SYD 5:50 PM
        37h 28m
        1 stop
        ATL 5:18 PM
        Sydney - Atlanta | Tue, May 26 | Qantas Airways
        $1,226
        33% off
        $1,839 $1,226
      • ATL 5:59 PM
        22h 51m
        1 stop
        SYD 6:50 AM
        Atlanta - Sydney | Thu, May 21 | Delta Air Lines
        SYD 9:15 AM
        29h 19m
        1 stop
        ATL 12:34 AM
        Sydney - Atlanta | Thu, May 28 | Delta Air Lines
        $1,271
        31% off
        $1,839 $1,271
      • ATL 7:05 PM
        21h 45m
        1 stop
        SYD 6:50 AM
        Atlanta - Sydney | Tue, Jun 2 | Delta Air Lines
        SYD 9:10 AM
        22h 8m
        1 stop
        ATL 5:18 PM
        Sydney - Atlanta | Mon, Jun 8 | American Airlines
        $1,342
        27% off
        $1,839 $1,342
      • ATL 1:00 PM
        17h 25m
        1 stop
        SYD 2:00 PM
        Atlanta - Sydney | Wed, May 13 | Normal Airline
        SYD 3:00 PM
        6h
        Nonstop
        ATL 4:00 PM
        Sydney - Atlanta | Fri, May 15 | Normal Airline
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      • ATL 9:15 AM
        31h 35m
        1 stop
        SYD 6:50 AM
        Atlanta - Sydney | Wed, Jun 10 | Delta Air Lines
        $628 $888
        28% off
        28% off
        $888 $628
      • ATL 10:05 AM
        30h 50m
        1 stop
        SYD 6:55 AM
        Atlanta - Sydney | Wed, Jun 10 | United Airlines
        $629 $888
        28% off
        28% off
        $888 $629
      • ATL 9:10 AM
        31h 40m
        1 stop
        SYD 6:50 AM
        Atlanta - Sydney | Tue, May 19 | Delta Air Lines
        $632 $888
        28% off
        28% off
        $888 $632
      • ATL 10:25 AM
        30h 25m
        1 stop
        SYD 6:50 AM
        Atlanta - Sydney | Sun, May 17 | Delta Air Lines
        $632
        28% off
        $888 $632
      • ATL 9:10 AM
        31h 40m
        1 stop
        SYD 6:50 AM
        Atlanta - Sydney | Mon, May 18 | Delta Air Lines
        $632
        28% off
        $888 $632
      • ATL 7:12 PM
        21h 43m
        1 stop
        SYD 6:55 AM
        Atlanta - Sydney | Mon, May 18 | United Airlines
        $633
        28% off
        $888 $633
      • ATL 7:12 PM
        21h 43m
        1 stop
        SYD 6:55 AM
        Atlanta - Sydney | Tue, May 19 | United Airlines
        $634
        28% off
        $888 $634
      • ATL 7:12 PM
        21h 43m
        1 stop
        SYD 6:55 AM
        Atlanta - Sydney | Sun, May 17 | United Airlines
        $634
        28% off
        $888 $634
      • ATL 7:53 PM
        21h 2m
        1 stop
        SYD 6:55 AM
        Atlanta - Sydney | Wed, Jun 10 | Qantas Airways
        $646
        27% off
        $888 $646
      • ATL 4:40 PM
        24h 50m
        1 stop
        SYD 7:30 AM
        Atlanta - Sydney | Mon, May 18 | Qantas Airways
        $648
        27% off
        $888 $648
      • ATL 1:00 PM
        17h 25m
        1 stop
        SYD 2:00 PM
        Atlanta - Sydney | Wed, May 13 | Normal Airline
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Displayed flight fares from Atlanta to Sydney are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com price insights on flights from Atlanta to Sydney

Which month has the cheapest one-way flights from to Sydney?

The average price of one-way flights from to Sydney purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from to Sydney is October, with an average price of $459; while the month with the highest flight price is usually March, with an average price of up to $1,637.

$1,637
$1,048
$459
0
    Cheapest
  • $1,573
    May
  • $520
    Jun
  • $541
    Jul
  • $551
    Aug
  • $472
    Sep
  • $459
    Oct
  • $465
    Nov
  • $488
    Dec
  • $818
    Jan
  • $630
    Feb
  • $1,637
    Mar
  • $696
    Apr

When is the cheapest day to fly from Atlanta to Sydney during Memorial Day?

Data is based on the lowest one-way price from Atlanta to Sydney during Memorial Day on Trip.com in the past 3 days.

Memorial Day is scheduled for May 25. The cheapest flights from Atlanta to Sydney are available on May 27, with fares starting at $640.

$1,384
$1,012
$640
$268
    Cheapest
  • $1,384
    21
    May
  • $1,384
    22
  • $755
    23
  • $646
    24
  • $666
    25
  • $661
    26
  • $640
    27

Frequently Asked Questions

  • What are the cheapest flights from Atlanta to Sydney (ATL-SYD)?

    Based on Trip.com data, Delta Air Lines offers one-way fares as low as $628 on Cheapest nonstop routes (e.g. ATL to SYD on Wed, Jun 10), while United Airlines offers Cheapest nonstop round-trips from $1,103 departing on Thu, May 21 and returning on Thu, May 28.
  • At the moment, you can catch a nonstop flight from Atlanta to Sydney with the following airlines, including: Fiji Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Atlanta to Sydney is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Atlanta to Sydney, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Jun 10, with one-way flights priced at just $628.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Sydney travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Atlanta to Sydney is September, when demand for travel is lower.
  • After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Atlanta to Sydney on May 12, 2026 with United Airlines, with prices starting at $597.
  • You can land at any one of the following hubs in Sydney, with Hartsfield-Jackson Atlanta International Airport to Sydney Airport (ATL-SYD) is by far the most common option on this route: Sydney Airport (SYD) Western Sydney International Airport (WSI).
  • The time difference between Sydney and Atlanta is 15h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.