Cheap flights from Green Bay to Sydney from $941

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 Sydney 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.
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0 bags

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United Airlines Logo
5:24 pm - 6:20 amGRB-SYD
43h 56m2 stops
United Airlines Logo
11:50 am - 9:30 pmSYD-GRB
26h 40m2 stops
$1,317United Airlines
Find Deal
Sat, Feb 7 - Tue, Feb 24
United Airlines Logo
10:46 am - 9:05 amGRB-SYD
29h 19m2 stops
United Airlines Logo
11:50 am - 4:46 pmSYD-GRB
21h 56m2 stops
$1,515United Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
Delta Logo
11:06 am - 8:30 amGRB-SYD
28h 24m2 stops
Delta Logo
10:40 am - 9:33 pmSYD-GRB
27h 53m2 stops
$1,561Delta
Find Deal
Sun, Nov 2 - Sun, Nov 9
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
$3,205Multiple Airlines
Find Deal
Sat, Feb 7 - Tue, Feb 24
Multiple Airlines Logo
3:09 pm - 6:50 amGRB-SYD
46h 41m2 stops
Multiple Airlines Logo
7:30 pm - 7:22 pmSYD-GRB
40h 52m3 stops
$3,321Multiple Airlines
Find Deal
Sun, Nov 2 - Sun, Nov 9
Multiple Airlines Logo
7:17 am - 6:50 pmGRB-SYD
42h 33m2 stops
Multiple Airlines Logo
6:30 pm - 7:22 pmSYD-GRB
41h 52m3 stops
$3,367Multiple Airlines
Find Deal
Tue, Nov 18 - Tue, Nov 25
Multiple Airlines Logo
10:42 am - 6:35 amGRB-SYD
50h 53m3 stops
Multiple Airlines Logo
3:55 pm - 4:52 pmSYD-GRB
41h 57m3 stops
$16,978Multiple Airlines
Find Deal
Sat, Feb 7 - Tue, Feb 24
Multiple Airlines Logo
5:27 pm - 6:35 amGRB-SYD
44h 08m3 stops
Multiple Airlines Logo
3:55 pm - 4:46 pmSYD-GRB
41h 51m3 stops
$16,986Multiple Airlines
Find Deal
Tue, Nov 18 - Tue, Nov 25
Multiple Airlines Logo
5:27 pm - 6:35 amGRB-SYD
44h 08m3 stops
Multiple Airlines Logo
3:55 pm - 4:46 pmSYD-GRB
41h 51m3 stops
$17,852Multiple Airlines
Find Deal
Sun, Nov 2 - Sun, Nov 9

United Airlines flights from Green Bay to Sydney

Our best United Airlines deals on Green Bay to Sydney flight tickets
United Airlines
Feb 7
GRB5:24 pmGreen Bay Austin-Straubel
43h 56m
2 stops
SYD6:20 amSydney Kingsford Smith
Feb 24
SYD11:50 amSydney Kingsford Smith
26h 40m
2 stops
GRB9:30 pmGreen Bay Austin-Straubel
United Airlines
Nov 13
GRB10:46 amGreen Bay Austin-Straubel
29h 19m
2 stops
SYD9:05 amSydney Kingsford Smith
Nov 17
SYD11:50 amSydney Kingsford Smith
21h 56m
2 stops
GRB4:46 pmGreen Bay Austin-Straubel

Delta flights from Green Bay to Sydney

Our best Delta deals on Green Bay to Sydney flight tickets
Delta
Nov 2
GRB11:06 amGreen Bay Austin-Straubel
28h 24m
2 stops
SYD8:30 amSydney Kingsford Smith
Nov 9
SYD10:40 amSydney Kingsford Smith
27h 53m
2 stops
GRB9:33 pmGreen Bay Austin-Straubel
Delta
Oct 13
GRB5:30 amGreen Bay Austin-Straubel
34h 05m
2 stops
SYD7:35 amSydney Kingsford Smith
Oct 26
SYD10:25 amSydney Kingsford Smith
26h 12m
2 stops
GRB8:37 pmGreen Bay Austin-Straubel

momondo 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, momondo users made 832,500 searches. Data last updated October 6, 2025.
Use the filters below to find and compare flights from Green Bay to Sydney 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

5:24 pm-6:20 am

2 stops43h 56m

Sydney Kingsford Smith

Tue 2/24

11:50 am-9:30 pm

2 stops26h 40m

$1,317

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Thu 11/13

10:46 am-9:05 am

2 stops29h 19m

Sydney Kingsford Smith

Mon 11/17

11:50 am-4:46 pm

2 stops21h 56m

$1,515

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Sun 11/2

11:06 am-8:30 am

2 stops28h 24m

Sydney Kingsford Smith

Sun 11/9

10:40 am-9:33 pm

2 stops27h 53m

$1,561

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

$3,205

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Sun 11/2

3:09 pm-6:50 am

2 stops46h 41m

Sydney Kingsford Smith

Sun 11/9

7:30 pm-7:22 pm

3 stops40h 52m

$3,321

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Tue 11/18

7:17 am-6:50 pm

2 stops42h 33m

Sydney Kingsford Smith

Tue 11/25

6:30 pm-7:22 pm

3 stops41h 52m

$3,367

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Sat 2/7

10:42 am-6:35 am

3 stops50h 53m

Sydney Kingsford Smith

Tue 2/24

3:55 pm-4:52 pm

3 stops41h 57m

$16,978

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Tue 11/18

5:27 pm-6:35 am

3 stops44h 08m

Sydney Kingsford Smith

Tue 11/25

3:55 pm-4:46 pm

3 stops41h 51m

$16,986

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Sun 11/2

5:27 pm-6:35 am

3 stops44h 08m

Sydney Kingsford Smith

Sun 11/9

3:55 pm-4:46 pm

3 stops41h 51m

$17,852

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Mon 11/3

11:25 am-9:00 am

2 stops28h 35m

$941

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Green Bay to Sydney

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 Sydney Kingsford Smith?

American Airlines and WestJet are the most popular carriers operating from Green Bay Austin-Straubel to Sydney Kingsford Smith

When to book flights from Green Bay to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Green Bay to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Green Bay to Sydney (GRB to SYD) flight deals and tips

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

Direct flights

None
There are no direct flights from Green Bay to Sydney. There are no popular flight routes from Green Bay to Sydney.
  • How far is Green Bay Austin-Straubel to Sydney Kingsford Smith by plane?

    There are 9246.8 mi between Green Bay Austin-Straubel and Sydney Kingsford Smith. Flights usually cover this in 28h 24m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Green Bay Austin-Straubel Airport to Sydney Kingsford Smith Airport are updated daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Green Bay Austin-Straubel Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Katoomba
Wollongong
Randwick
Cronulla
Manly
Coogee
Lithgow
Penrith
Leura
Charlestown
Terrigal
Swansea

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Green Bay to Sydney. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Sydney from Green Bay which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Green Bay and Sydney by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Green Bay to Sydney 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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1 adult
Wed 11/5
Wed 11/12

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