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$653+ 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
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$957
(United Airlines)

One-way from

$653
(United Airlines)
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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 8/58:00 amGRB - SYD
2 stops31h 55mUnited Airlines
Sat 8/169:30 amSYD - GRB
2 stops24h 48mUnited Airlines
Deal found 6/10$957
This Qantas Airways deal was found by Cheapflights users on 6/10. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/52:51 pmGRB - SYD
2 stops25h 14mMultiple Airlines
Sat 8/166:00 amSYD - GRB
3 stops26h 56mMultiple Airlines
Deal found 6/10$2,162

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 June 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

Tue 8/5

8:00 am-6:55 am

2 stops31h 55m

Sydney Kingsford Smith

Sat 8/16

9:30 am-7:18 pm

2 stops24h 48m

$957

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Tue 8/5

2:51 pm-7:05 am

2 stops25h 14m

Sydney Kingsford Smith

Sat 8/16

6:00 am-5:56 pm

3 stops26h 56m

$2,162

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Mon 11/3

1:20 pm-7:00 am

2 stops24h 40m

$653

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Mon 11/3

3:51 pm-12:25 pm

3 stops27h 34m

$2,349

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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.

Cheapflights Insights

Everything you need to know about your flight from Green Bay to Sydney

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated June 12, 2025.
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Entertainment

7.0

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Entertainment

7.0

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • What is the cheapest airline to fly from Green Bay to Sydney round-trip?

    Currently priced at $957, United Airlines will fly you from Green Bay to Sydney and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip.

  • 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 $1,041). Flying from Green Bay to Sydney in December is currently the most expensive (average of $1,635). 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 Green Bay?

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

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