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$656+ 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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — SYD
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap 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 January 28, 2026.

This Delta deal was found by Cheapflights users on 1/27. 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.
Fri 2/274:18 pm
GRB
-
SYD
2 stops23h 12m
Delta
Tue 3/249:40 am
SYD
-
GRB
2 stops22h 51m
Delta
Deal found 1/27$1,318
This Delta deal was found by Cheapflights users on 1/26. 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.
Sat 2/74:15 pm
GRB
-
SYD
2 stops23h 15m
Delta
Tue 2/2410:40 am
SYD
-
GRB
2 stops27h 01m
Delta
Deal found 1/26$1,321
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 2/76:31 am
GRB
-
SYD
2 stops30h 49m
United Airlines
Tue 2/2411:50 am
SYD
-
GRB
2 stops24h 07m
United Airlines
Deal found 1/27$1,323
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/123:05 pm
GRB
-
SYD
2 stops25h 00m
United Airlines
Mon 2/1612:10 pm
SYD
-
GRB
2 stops21h 43m
United Airlines
Deal found 1/27$1,466
This United Airlines deal was found by Cheapflights users on 1/25. 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 2/133:44 pm
GRB
-
SYD
2 stops24h 21m
United Airlines
Tue 2/1711:50 am
SYD
-
GRB
2 stops26h 40m
United Airlines
Deal found 1/25$1,473
This Cathay Pacific deal was found by Cheapflights users on 1/27. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2710:02 am
GRB
-
SYD
3 stops37h 23m
Multiple Airlines
Tue 3/243:15 pm
SYD
-
GRB
2 stops44h 17m
Multiple Airlines
Deal found 1/27$1,778
This Cathay Pacific deal was found by Cheapflights users on 1/27. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/74:53 pm
GRB
-
SYD
2 stops47h 42m
Multiple Airlines
Tue 2/245:45 pm
SYD
-
GRB
3 stops41h 16m
Multiple Airlines
Deal found 1/27$2,034
This Cathay Pacific deal was found by Cheapflights users on 1/27. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1210:02 am
GRB
-
SYD
3 stops37h 23m
Multiple Airlines
Mon 2/1610:20 pm
SYD
-
GRB
2 stops38h 22m
Multiple Airlines
Deal found 1/27$2,660

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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,318
(Delta)

One-way from

$656
(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
Search Deals
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 January 28, 2026.
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 2/27

4:18 pm-8:30 am

2 stops23h 12m

Sydney Kingsford Smith

Tue 3/24

9:40 am-4:31 pm

2 stops22h 51m

$1,318

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Sat 2/7

4:15 pm-8:30 am

2 stops23h 15m

Sydney Kingsford Smith

Tue 2/24

10:40 am-8:41 pm

2 stops27h 01m

$1,321

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Fri 2/27

3:44 pm-9:05 am

2 stops24h 21m

Sydney Kingsford Smith

Tue 3/24

10:25 am-9:25 pm

2 stops27h 00m

$1,323

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Thu 2/12

3:05 pm-9:05 am

2 stops25h 00m

Sydney Kingsford Smith

Mon 2/16

12:10 pm-4:53 pm

2 stops21h 43m

$1,466

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Fri 2/13

3:44 pm-9:05 am

2 stops24h 21m

Sydney Kingsford Smith

Tue 2/17

11:50 am-9:30 pm

2 stops26h 40m

$1,473

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Sat 2/7

4:53 pm-9:35 am

2 stops47h 42m

Sydney Kingsford Smith

Tue 2/24

5:45 pm-6:01 pm

3 stops41h 16m

$2,034

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Thu 2/12

10:02 am-4:25 pm

3 stops37h 23m

Sydney Kingsford Smith

Mon 2/16

10:20 pm-7:42 pm

2 stops38h 22m

$2,660

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Thu 2/12

6:15 am-6:50 am

2 stops31h 35m

$656

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Fri 2/13

3:44 pm-9:05 am

2 stops24h 21m

$656

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Sun 2/15

12:08 pm-6:50 am

2 stops25h 42m

$656

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 19 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Green Bay-Sydney flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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?

    Delta and United Airlines can get you from Green Bay to Sydney in just under 23h 12m. Your travel time can differ by up to 1h 09m. 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

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