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Cheap flights from Green Bay to Australia from $644

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Green Bay to Australia departing on 11/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:00 am - 9:15 amGRB-SYD
32h 15m2 stops
United Airlines Logo
2:00 pm - 9:30 pmSYD-GRB
24h 30m2 stops
$1,235United Airlines
Find Deal
Sat, Feb 7 - Tue, Feb 24
Delta Logo
11:10 am - 8:30 amGRB-SYD
28h 20m2 stops
Delta Logo
10:40 am - 8:39 pmSYD-GRB
26h 59m2 stops
$1,351Delta
Find Deal
Thu, Nov 13 - Mon, Nov 17
Delta Logo
7:00 am - 8:30 amGRB-SYD
32h 30m2 stops
Delta Logo
10:40 am - 4:48 pmSYD-GRB
23h 08m2 stops
$1,538Delta
Find Deal
Sat, Jan 17 - Sat, Jan 24
United Airlines Logo
6:15 am - 9:05 amGRB-SYD
33h 50m2 stops
United Airlines Logo
11:50 am - 4:47 pmSYD-GRB
21h 57m2 stops
$1,715United Airlines
Find Deal
Thu, Dec 11 - Thu, Dec 18
Multiple Airlines Logo
6:00 am - 6:50 pmGRB-SYD
43h 50m2 stops
Multiple Airlines Logo
2:00 pm - 5:39 pmSYD-GRB
44h 39m3 stops
$3,306Multiple Airlines
Find Deal
Sat, Feb 7 - Tue, Feb 24
Multiple Airlines Logo
6:00 am - 6:50 pmGRB-SYD
43h 50m2 stops
Multiple Airlines Logo
2:00 pm - 5:39 pmSYD-GRB
44h 39m3 stops
$3,390Multiple Airlines
Find Deal
Sat, Feb 7 - Tue, Feb 24
Multiple Airlines Logo
6:00 am - 6:50 pmGRB-SYD
43h 50m2 stops
Multiple Airlines Logo
3:00 pm - 10:12 pmSYD-GRB
48h 12m3 stops
$3,646Multiple Airlines
Find Deal
Sat, Jan 17 - Sat, Jan 24
Multiple Airlines Logo
3:09 pm - 6:50 amGRB-SYD
46h 41m2 stops
Multiple Airlines Logo
7:00 pm - 7:22 pmSYD-GRB
41h 22m3 stops
$3,650Multiple Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
Multiple Airlines Logo
2:59 pm - 6:50 amGRB-SYD
46h 51m2 stops
Multiple Airlines Logo
2:00 pm - 11:31 pmSYD-GRB
50h 31m3 stops
$4,404Multiple Airlines
Find Deal
Thu, Dec 11 - Thu, Dec 18
WestJet Logo
12:02 pm - 6:35 amGRB-SYD
49h 33m3 stops
WestJet Logo
8:30 pm - 10:35 amSYD-GRB
31h 05m3 stops
$6,475WestJet
Find Deal
Sat, Jan 17 - Sat, Jan 24

Delta flights from Green Bay to Australia

Our best Delta deals on Green Bay to Australia flight tickets
Delta
Nov 6
GRB7:00 amGreen Bay Austin-Straubel
32h 30m
2 stops
SYD8:30 amSydney Kingsford Smith
Nov 10
SYD10:40 amSydney Kingsford Smith
26h 56m
2 stops
GRB8:36 pmGreen Bay Austin-Straubel
$1,351
Find similar
Delta
Jan 17
GRB7:00 amGreen Bay Austin-Straubel
32h 30m
2 stops
SYD8:30 amSydney Kingsford Smith
Jan 24
SYD10:40 amSydney Kingsford Smith
23h 08m
2 stops
GRB4:48 pmGreen Bay Austin-Straubel
$1,538
Find similar

United Airlines flights from Green Bay to Australia

Our best United Airlines deals on Green Bay to Australia flight tickets
United Airlines
Feb 7
GRB8:00 amGreen Bay Austin-Straubel
32h 15m
2 stops
SYD9:15 amSydney Kingsford Smith
Feb 24
SYD2:00 pmSydney Kingsford Smith
24h 30m
2 stops
GRB9:30 pmGreen Bay Austin-Straubel
$1,235
Find similar
United Airlines
Dec 11
GRB6:15 amGreen Bay Austin-Straubel
33h 50m
2 stops
SYD9:05 amSydney Kingsford Smith
Dec 18
SYD11:50 amSydney Kingsford Smith
21h 57m
2 stops
GRB4:47 pmGreen Bay Austin-Straubel
$1,715
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Green Bay to Australia 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, momondo users made 832,500 searches. Data last updated October 28, 2025.
Use the filters below to find and compare flights from Green Bay to Australia that are best for you.

Fly from

Fly to

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

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 2/7

6:00 am-6:50 pm

2 stops43h 50m

Sydney Kingsford Smith

Tue 2/24

2:00 pm-5:39 pm

3 stops44h 39m

$3,306

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-5:39 pm

3 stops44h 39m

$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

Thu 12/11

2:59 pm-6:50 am

2 stops46h 51m

Sydney Kingsford Smith

Thu 12/18

2:00 pm-11:31 pm

3 stops50h 31m

$4,404

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Sat 1/17

12:02 pm-6:35 am

3 stops49h 33m

Sydney Kingsford Smith

Sat 1/24

8:30 pm-10:35 am

3 stops31h 05m

$6,475

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Green Bay to Australia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Green Bay Austin-Straubel to Australia?

Delta is the most popular carrier operating from Green Bay Austin-Straubel to Australia

Cheap Green Bay to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Green Bay to Australia

Direct flights

None
There are no direct flights from Green Bay to Australia. There are no popular flight routes from Green Bay to Australia.
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  • When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to Australia?

    Prices for flights from Green Bay Austin-Straubel Airport to Australia are refreshed on a daily basis.

  • How old do you have to be to fly from Green Bay Austin-Straubel Airport to Australia?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Green Bay Austin-Straubel Airport to Australia.

  • What documentation or ID do you need to fly to Australia?

    The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Green Bay to Australia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Green Bay to Australia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Green Bay to Australia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Green Bay to Australia flights to just show those with flexible booking policies.

How can momondo help me find flights from Green Bay to Australia?

Once you have performed a search for Green Bay to Australia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Green Bay to Australia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Green Bay to Australia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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