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$1,167+ Cheap flights from Green Bay (GRB) to Sydney (SYD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — SYD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Green Bay to Sydney

Best flights from Green Bay to Sydney
Discover carefully curated flight deals from Green Bay to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sat 2/75:24 pmGRB - SYD
2 stops44h 36mUnited Airlines
Tue 2/2412:10 pmSYD - GRB
2 stops21h 43mUnited Airlines
Deal found 12/10$1,167
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sat 2/76:31 amGRB - SYD
2 stops33h 34mUnited Airlines
Wed 2/1112:10 pmSYD - GRB
2 stops21h 37mUnited Airlines
Deal found 12/10$1,469
This Qatar Airways deal was found by Cheapflights users on 12/10. 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.
Sat 2/76:00 amGRB - SYD
2 stops43h 50mMultiple Airlines
Tue 2/246:15 pmSYD - GRB
3 stops40h 38mMultiple Airlines
Deal found 12/10$3,425

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,167
(United Airlines)
Provider with most accurate pricing for Green Bay Austin-Straubel-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-Sydney Kingsford Smith flights.
Search Deals
From Green Bay Austin-Straubel to Sydney Kingsford Smith
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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 December 12, 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

Sat 2/7

5:24 pm-7:00 am

2 stops44h 36m

Sydney Kingsford Smith

Tue 2/24

12:10 pm-4:53 pm

2 stops21h 43m

$1,167

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Sat 2/7

6:31 am-9:05 am

2 stops33h 34m

Sydney Kingsford Smith

Wed 2/11

12:10 pm-4:47 pm

2 stops21h 37m

$1,469

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Sat 2/7

6:00 am-6:50 pm

2 stops43h 50m

Sydney Kingsford Smith

Tue 2/24

6:15 pm-5:53 pm

3 stops40h 38m

$3,425

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Green Bay to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Green Bay to Sydney in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Green Bay-Sydney flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Green Bay-Sydney flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Green Bay-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Green Bay-Sydney flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Green Bay-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

    United Airlines can get you from Green Bay to Sydney in just under 44h 36m. Your travel time can differ by up to . The distance from Green Bay to Sydney is about 9245 mi.

  • 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.

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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