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$644+ 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
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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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 October 29, 2025.

This Delta deal was found by Cheapflights users on 10/27. 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.
Thu 11/611:06 amGRB - SYD
2 stops28h 24mDelta
Mon 11/1010:40 amSYD - GRB
2 stops27h 53mDelta
Deal found 10/27$1,351
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 12/116:15 amGRB - SYD
2 stops33h 50mUnited Airlines
Thu 12/1811:50 amSYD - GRB
2 stops21h 57mUnited Airlines
Deal found 10/27$1,715
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/133:51 pmGRB - SYD
2 stops46h 09mUnited Airlines
Sat 12/202:00 pmSYD - GRB
2 stops42h 07mUnited Airlines
Deal found 10/29$2,041
This Qatar Airways deal was found by Cheapflights users on 10/28. 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.
Thu 11/133:09 pmGRB - SYD
2 stops46h 41mMultiple Airlines
Mon 11/177:00 pmSYD - GRB
3 stops41h 22mMultiple Airlines
Deal found 10/28$3,650
This Qatar Airways deal was found by Cheapflights users on 10/27. 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.
Thu 12/112:59 pmGRB - SYD
2 stops46h 51mMultiple Airlines
Thu 12/182:00 pmSYD - GRB
3 stops50h 31mMultiple Airlines
Deal found 10/27$4,404
This Qatar Airways deal was found by Cheapflights users on 10/29. 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 12/133:06 pmGRB - SYD
2 stops46h 44mMultiple Airlines
Sat 12/205:00 pmSYD - GRB
3 stops47h 31mMultiple Airlines
Deal found 10/29$4,958
This Ovago deal was found by Cheapflights users on 10/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:20 amGRB - SYD
3 stops31h 15mWestJet
Sat 12/208:30 pmSYD - GRB
3 stops36h 19mWestJet
Deal found 10/29$7,064

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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,235
(United Airlines)

One-way from

$644
(Delta)
Provider with most accurate pricing for Green Bay Austin-Straubel-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-Sydney Kingsford Smith flights.
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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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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 October 29, 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

8:00 am-9:15 am

2 stops32h 15m

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

Thu 11/13

11:10 am-8:30 am

2 stops28h 20m

Sydney Kingsford Smith

Mon 11/17

10:40 am-8:39 pm

2 stops26h 59m

$1,351

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Sat 1/17

5:24 pm-6:20 am

2 stops43h 56m

Sydney Kingsford Smith

Sat 1/24

11:50 am-4:47 pm

2 stops21h 57m

$1,393

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Sat 1/17

7:00 am-8:30 am

2 stops32h 30m

Sydney Kingsford Smith

Sat 1/24

10:40 am-4:48 pm

2 stops23h 08m

$1,538

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Thu 12/11

6:15 am-9:05 am

2 stops33h 50m

Sydney Kingsford Smith

Thu 12/18

11:50 am-4:47 pm

2 stops21h 57m

$1,715

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Sat 12/13

3:51 pm-7:00 am

2 stops46h 09m

Sydney Kingsford Smith

Sat 12/20

2:00 pm-3:07 pm

2 stops42h 07m

$2,041

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

2:00 pm-5:57 pm

3 stops44h 57m

$3,390

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Sat 1/17

6:00 am-6:50 pm

2 stops43h 50m

Sydney Kingsford Smith

Sat 1/24

3:00 pm-10:12 pm

3 stops48h 12m

$3,646

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Thu 11/13

3:09 pm-6:50 am

2 stops46h 41m

Sydney Kingsford Smith

Mon 11/17

7:00 pm-7:22 pm

3 stops41h 22m

$3,650

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Mon 11/3

4:16 pm-8:30 am

2 stops23h 14m

$644

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 11 results
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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 October.
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 and Delta can get you from Green Bay to Sydney in just under 28h 20m. Your travel time can differ by up to 3h 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.

  • 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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