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.

$695 Cheap Flights from Green Bay to Sydney in 2026

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.

9:58 am - 6:55 am

GRB

SYD

28h 57m

2 stops

11:15 am - 7:56 pm

SYD

GRB

25h 41m

2 stops

$1,171American Airlines

Wed, Oct 21 - Mon, Nov 2

9:58 am - 9:10 am

GRB

SYD

31h 12m

3 stops

11:15 am - 7:56 pm

SYD

GRB

25h 41m

2 stops

$1,229Multiple Airlines

Wed, Oct 21 - Mon, Nov 2

9:58 am - 6:55 am

GRB

SYD

28h 57m

2 stops

11:15 am - 7:56 pm

SYD

GRB

25h 41m

2 stops

$1,308American Airlines

Wed, Oct 21 - Mon, Nov 2

10:05 am - 7:30 am

GRB

SYD

30h 25m

2 stops

9:10 am - 12:13 am

SYD

GRB

30h 03m

2 stops

$1,408American Airlines

Sat, Sep 12 - Sat, Sep 19

3:42 pm - 7:00 am

GRB

SYD

24h 18m

2 stops

9:30 am - 8:04 pm

SYD

GRB

25h 34m

2 stops

$1,411United Airlines

Thu, Sep 10 - Thu, Sep 17

10:02 am - 9:00 am

GRB

SYD

29h 58m

2 stops

8:10 pm - 9:22 am

SYD

GRB

30h 12m

2 stops

$1,596American Airlines

Mon, Nov 30 - Mon, Jan 4

12:29 pm - 7:50 am

GRB

SYD

27h 21m

2 stops

10:15 am - 9:01 pm

SYD

GRB

26h 46m

2 stops

$1,662Delta

Tue, Oct 13 - Mon, Oct 19

2:31 pm - 7:00 am

GRB

SYD

25h 29m

2 stops

10:20 am - 11:19 pm

SYD

GRB

27h 59m

2 stops

$1,713United Airlines

Thu, Aug 20 - Mon, Aug 24

11:45 am - 6:55 am

GRB

SYD

28h 10m

2 stops

9:30 am - 11:19 pm

SYD

GRB

28h 49m

2 stops

$1,713United Airlines

Wed, Aug 19 - Sun, Aug 23

12:30 pm - 6:55 am

GRB

SYD

27h 25m

2 stops

10:20 am - 7:21 pm

SYD

GRB

24h 01m

2 stops

$1,714United Airlines

Wed, Aug 19 - Sun, Aug 23

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American Airlines flights from Green Bay to Sydney

Our best American Airlines deals on Green Bay to Sydney flight tickets

American Airlines

Oct 21

GRB9:58 amGreen Bay Austin-Straubel

28h 57m

2 stops

SYD6:55 amSydney Kingsford Smith

Nov 2

SYD11:15 amSydney Kingsford Smith

25h 41m

2 stops

GRB7:56 pmGreen Bay Austin-Straubel

$1,171

American Airlines

Oct 21

GRB9:58 amGreen Bay Austin-Straubel

28h 57m

2 stops

SYD6:55 amSydney Kingsford Smith

Nov 2

SYD11:15 amSydney Kingsford Smith

25h 41m

2 stops

GRB7:56 pmGreen Bay Austin-Straubel

$1,308

American Airlines

Sep 12

GRB10:05 amGreen Bay Austin-Straubel

30h 25m

2 stops

SYD7:30 amSydney Kingsford Smith

Sep 19

SYD9:10 amSydney Kingsford Smith

30h 03m

2 stops

GRB12:13 amGreen Bay Austin-Straubel

$1,408

United Airlines flights from Green Bay to Sydney

Our best United Airlines deals on Green Bay to Sydney flight tickets

United Airlines

Sep 10

GRB3:42 pmGreen Bay Austin-Straubel

24h 18m

2 stops

SYD7:00 amSydney Kingsford Smith

Sep 17

SYD9:30 amSydney Kingsford Smith

25h 34m

2 stops

GRB8:04 pmGreen Bay Austin-Straubel

$1,411

United Airlines

Aug 19

GRB11:45 amGreen Bay Austin-Straubel

28h 10m

2 stops

SYD6:55 amSydney Kingsford Smith

Aug 23

SYD9:30 amSydney Kingsford Smith

28h 49m

2 stops

GRB11:19 pmGreen Bay Austin-Straubel

$1,713

United Airlines

Aug 19

GRB12:30 pmGreen Bay Austin-Straubel

27h 25m

2 stops

SYD6:55 amSydney Kingsford Smith

Aug 23

SYD10:20 amSydney Kingsford Smith

24h 01m

2 stops

GRB7:21 pmGreen Bay Austin-Straubel

$1,714

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Wed 10/21

9:58 am-6:55 am

2 stops28h 57m

Sydney Kingsford Smith

Mon 11/2

11:15 am-7:56 pm

2 stops25h 41m

$1,171

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Wed 10/21

9:58 am-9:10 am

3 stops31h 12m

Sydney Kingsford Smith

Mon 11/2

11:15 am-7:56 pm

2 stops25h 41m

$1,229

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Wed 10/21

9:58 am-6:55 am

2 stops28h 57m

Sydney Kingsford Smith

Mon 11/2

11:15 am-7:56 pm

2 stops25h 41m

$1,308

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Sat 9/12

10:05 am-7:30 am

2 stops30h 25m

Sydney Kingsford Smith

Sat 9/19

9:10 am-12:13 am

2 stops30h 03m

$1,408

Quickest round-trip

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Thu 9/10

3:42 pm-7:00 am

2 stops24h 18m

Sydney Kingsford Smith

Thu 9/17

9:30 am-8:04 pm

2 stops25h 34m

$1,411

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Mon 11/30

10:02 am-9:00 am

2 stops29h 58m

Sydney Kingsford Smith

Mon 1/4

8:10 pm-9:22 am

2 stops30h 12m

$1,596

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Tue 10/13

12:29 pm-7:50 am

2 stops27h 21m

Sydney Kingsford Smith

Mon 10/19

10:15 am-9:01 pm

2 stops26h 46m

$1,662

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Thu 8/20

2:31 pm-7:00 am

2 stops25h 29m

Sydney Kingsford Smith

Mon 8/24

10:20 am-11:19 pm

2 stops27h 59m

$1,713

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Wed 8/19

11:45 am-6:55 am

2 stops28h 10m

Sydney Kingsford Smith

Sun 8/23

9:30 am-11:19 pm

2 stops28h 49m

$1,713

Green BaySydney

GRB - SYD

GRBSYD

Green Bay Austin-Straubel

Wed 8/19

12:30 pm-6:55 am

2 stops27h 25m

Sydney Kingsford Smith

Sun 8/23

10:20 am-7:21 pm

2 stops24h 01m

$1,714

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

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 is the most popular carrier 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

Fastest flight time	25h 29m
Direct flights	None

The fastest flight from Green Bay to Sydney takes 25h 29m

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

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Frequently asked questions about flying 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 25h 29m, 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.

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

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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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Cheap flights from Green Bay to Sydney from $695

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 10/14. 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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American Airlines flights from Green Bay to Sydney

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

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Frequently asked questions about flying from Green Bay to Sydney

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Why use momondo?

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List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

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