How do I get Price Alerts for flights from Green Bay to Sydney?

You can take advantage of momondo’s Price Alerts by first searching for your flights to Green Bay from Sydney . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

How can I save money on flights from Green Bay to Sydney with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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.

$1,166 Cheap Flights from Green Bay to Sydney in 2025/26

1 adult

0 bags

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Find the cheapest flights from Green Bay to Sydney

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:24 pm - 6:20 am

GRB

SYD

43h 56m2 stops

11:50 am - 4:53 pm

SYD

GRB

22h 03m2 stops

$1,166United Airlines

Sat, Feb 7 - Tue, Feb 24

5:18 pm - 7:00 am

GRB

SYD

46h 42m2 stops

9:30 am - 9:45 am

SYD

GRB

39h 15m2 stops

$1,198United Airlines

Sat, Apr 4 - Mon, Apr 13

6:00 am - 7:30 am

GRB

SYD

33h 30m2 stops

9:40 am - 9:57 pm

SYD

GRB

28h 17m2 stops

$1,216Delta

Thu, Mar 12 - Sun, Mar 22

1:10 pm - 6:55 am

GRB

SYD

26h 45m2 stops

9:30 am - 4:43 pm

SYD

GRB

22h 13m2 stops

$1,266United Airlines

Sat, May 23 - Sat, May 30

12:00 pm - 7:30 am

GRB

SYD

27h 30m2 stops

9:40 am - 8:36 pm

SYD

GRB

26h 56m2 stops

$1,352Delta

Thu, Mar 19 - Mon, Mar 23

2:54 pm - 9:15 am

GRB

SYD

26h 21m2 stops

12:10 pm - 9:27 pm

SYD

GRB

25h 17m2 stops

$1,468United Airlines

Thu, Mar 19 - Mon, Mar 23

6:00 am - 6:10 pm

GRB

SYD

44h 10m2 stops

7:00 pm - 11:06 pm

SYD

GRB

43h 06m3 stops

$3,155Multiple Airlines

Sat, Apr 4 - Mon, Apr 13

10:00 am - 6:50 pm

GRB

SYD

40h 50m2 stops

2:00 pm - 11:33 pm

SYD

GRB

49h 33m3 stops

$3,174Multiple Airlines

Thu, Mar 12 - Mon, Mar 23

10:00 am - 6:50 pm

GRB

SYD

40h 50m2 stops

6:15 pm - 11:33 pm

SYD

GRB

45h 18m3 stops

$3,182Multiple Airlines

Thu, Mar 12 - Tue, Mar 24

6:00 am - 6:50 pm

GRB

SYD

44h 50m2 stops

6:15 pm - 11:33 pm

SYD

GRB

45h 18m3 stops

$3,229Multiple Airlines

Thu, Mar 12 - Sun, Mar 22

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

22h 03m

2 stops

GRB4:53 pmGreen Bay Austin-Straubel

$1,166

Find similar

United Airlines

Apr 4

GRB5:18 pmGreen Bay Austin-Straubel

46h 42m

2 stops

SYD7:00 amSydney Kingsford Smith

Apr 13

SYD9:30 amSydney Kingsford Smith

39h 15m

2 stops

GRB9:45 amGreen Bay Austin-Straubel

$1,198

Find similar

United Airlines

Mar 12

GRB6:31 amGreen Bay Austin-Straubel

34h 44m

2 stops

SYD9:15 amSydney Kingsford Smith

Mar 24

SYD11:50 amSydney Kingsford Smith

23h 07m

2 stops

GRB6:57 pmGreen Bay Austin-Straubel

$1,216

Find similar

WestJet flights from Green Bay to Sydney

Our best WestJet deals on Green Bay to Sydney flight tickets

WestJet

Mar 12

GRB6:00 amGreen Bay Austin-Straubel

32h 35m

3 stops

SYD6:35 amSydney Kingsford Smith

Mar 23

SYD8:30 pmSydney Kingsford Smith

30h 48m

3 stops

GRB11:18 amGreen Bay Austin-Straubel

$6,986

Find similar

WestJet

May 23

GRB7:00 amGreen Bay Austin-Straubel

32h 35m

3 stops

SYD6:35 amSydney Kingsford Smith

May 30

SYD8:30 pmSydney Kingsford Smith

39h 05m

3 stops

GRB8:35 pmGreen Bay Austin-Straubel

$7,123

Find similar

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-4:53 pm

2 stops22h 03m

$1,166

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Sat 4/4

5:18 pm-7:00 am

2 stops46h 42m

Sydney Kingsford Smith

Mon 4/13

9:30 am-9:45 am

2 stops39h 15m

$1,198

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Thu 3/12

6:00 am-7:30 am

2 stops33h 30m

Sydney Kingsford Smith

Sun 3/22

9:40 am-9:57 pm

2 stops28h 17m

$1,216

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Sat 5/23

1:10 pm-6:55 am

2 stops26h 45m

Sydney Kingsford Smith

Sat 5/30

9:30 am-4:43 pm

2 stops22h 13m

$1,266

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Thu 3/19

12:00 pm-7:30 am

2 stops27h 30m

Sydney Kingsford Smith

Mon 3/23

9:40 am-8:36 pm

2 stops26h 56m

$1,352

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Thu 3/19

2:54 pm-9:15 am

2 stops26h 21m

Sydney Kingsford Smith

Mon 3/23

12:10 pm-9:27 pm

2 stops25h 17m

$1,468

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Sat 4/4

6:00 am-6:10 pm

2 stops44h 10m

Sydney Kingsford Smith

Mon 4/13

7:00 pm-11:06 pm

3 stops43h 06m

$3,155

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Thu 3/12

10:00 am-6:50 pm

2 stops40h 50m

Sydney Kingsford Smith

Mon 3/23

2:00 pm-11:33 pm

3 stops49h 33m

$3,174

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Thu 3/12

10:00 am-6:50 pm

2 stops40h 50m

Sydney Kingsford Smith

Tue 3/24

6:15 pm-11:33 pm

3 stops45h 18m

$3,182

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Thu 3/12

6:00 am-6:50 pm

2 stops44h 50m

Sydney Kingsford Smith

Sun 3/22

6:15 pm-11:33 pm

3 stops45h 18m

$3,229

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Fastest flight time	26h 45m
Direct flights	None

The fastest flight from Green Bay to Sydney takes 26h 45m

There are no direct flights from Green Bay to Sydney. There are no popular flight routes from Green Bay to Sydney.

Search flight deals

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 26h 21m, 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.

How do I get Price Alerts for flights from Green Bay to Sydney?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Green Bay from Sydney. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Green Bay to Sydney with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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Katoomba

Wollongong

Randwick

Coogee

Manly

Penrith

Cronulla

Lithgow

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.