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$587+ Cheap flights from Green Bay (GRB) to Sydney (SYD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — SYD
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap flight deals from Green Bay to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 14, 2025.

Round-trip from

$1,132
(Delta)

One-way from

$587
(Delta)
From Green Bay Austin-Straubel to Sydney Kingsford Smith
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One-way flight from Green Bay Austin-Straubel to Sydney Kingsford Smith
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Find flight deals from Green Bay to Sydney

Cheapest flights from Green Bay to Sydney
Explore the most affordable flight options available from Green Bay to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/296:05 amGRB - SYD
2 stops33h 30mDelta
Fri 10/39:25 amSYD - GRB
2 stops27h 38mDelta
Deal found 9/14$1,132
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:35 pmGRB - SYD
2 stops45h 25mUnited Airlines
Fri 10/310:20 amSYD - GRB
2 stops21h 30mUnited Airlines
Deal found 9/13$1,198
This Qatar Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/299:48 amGRB - SYD
2 stops40h 22mMultiple Airlines
Fri 10/31:05 pmSYD - GRB
3 stops43h 51mMultiple Airlines
Deal found 9/14$4,064
This Qatar Airways deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/264:39 pmGRB - SYD
2 stops33h 31mQatar Airways
Fri 10/31:05 pmSYD - GRB
3 stops43h 51mQatar Airways
Deal found 9/13$4,105
This SmartFares deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/261:20 pmGRB - SYD
3 stops48h 50mMultiple Airlines
Fri 10/32:50 pmSYD - GRB
3 stops40h 59mMultiple Airlines
Deal found 9/13$16,853

Cheapflights Fare Finder

 
Customize your flight search to find flights from Green Bay 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, Cheapflights users made 2,558,603 searches. Data last updated September 14, 2025.
Use the filters below to find and compare flights from Green Bay to Sydney that are best for you.

Fly from

Green Bay

Fly to

Sydney

Route

Depart

Return

Price

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Fri 9/26

6:35 pm-7:00 am

2 stops45h 25m

Sydney Kingsford Smith

Fri 10/3

10:20 am-4:50 pm

2 stops21h 30m

$1,198

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Sat 2/7

8:00 am-9:05 am

2 stops32h 05m

Sydney Kingsford Smith

Tue 2/24

2:00 pm-9:30 pm

2 stops24h 30m

$1,235

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Sat 2/7

12:53 pm-6:50 am

2 stops48h 57m

Sydney Kingsford Smith

Tue 2/24

2:00 pm-5:39 pm

3 stops44h 39m

$3,004

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Mon 9/29

9:48 am-5:10 pm

2 stops40h 22m

Sydney Kingsford Smith

Fri 10/3

1:05 pm-5:56 pm

3 stops43h 51m

$4,064

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Fri 9/26

4:39 pm-5:10 pm

2 stops33h 31m

Sydney Kingsford Smith

Fri 10/3

1:05 pm-5:56 pm

3 stops43h 51m

$4,105

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Fri 9/26

1:20 pm-5:10 am

3 stops48h 50m

Sydney Kingsford Smith

Fri 10/3

2:50 pm-4:49 pm

3 stops40h 59m

$16,853

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Mon 11/3

6:30 am-8:30 am

2 stops33h 00m

$587

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Mon 11/3

11:25 am-9:00 am

2 stops28h 35m

$733

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Mon 11/3

7:00 am-6:35 am

3 stops30h 35m

$3,550

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Green Bay to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Green Bay with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Green Bay to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Green Bay to Sydney?

    Delta and United Airlines can get you from Green Bay to Sydney in just under 33h 30m. Your travel time can differ by up to 11h 55m. The distance from Green Bay to Sydney is about 9245 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Green Bay to Sydney one-way?

    The cheapest airlines for a one-way flight from Green Bay to Sydney are Delta ($587), American Airlines ($733), and WestJet ($3,550).

  • Can I find deals for flights from Green Bay to Sydney that include hotel bookings?

    Yes. In addition to deals on Green Bay to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Green Bay to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Green Bay to Sydney.

  • Can I find deals for business class flights from Green Bay to Sydney?

    Yes. Cheapflights offers flight deals from Green Bay to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Green Bay to Sydney?

    Currently, March is the cheapest month in which you can book a flight from Green Bay to Sydney (average of $1,032). Flying from Green Bay to Sydney in December is currently the most expensive (average of $1,627). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly
Coogee

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