In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

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 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

What is the cheapest time of day to fly from GU to SYD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Guam to Sydney as you normally would.

What airport do you fly into for flights to Sydney from Guam?

For a flight from Guam to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre of the city.

Can I find deals for flights from Guam to Sydney that include hotel bookings?

Yes. In addition to deals on Guam to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Guam to Sydney?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Guam to Sydney.

Can I find deals for business class flights from Guam to Sydney?

Yes. Cheapflights offers flight deals from Guam 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.

$551+ Cheap Flights from Guam to Sydney

Cheap flight deals from Guam to Sydney

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Guam to Sydney
Explore the most affordable flight options available from Guam to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 October 2026.

Thu 26/1105:40 -

1 stop27h 25m

Thu 3/1211:40 -

1 stop17h 50m

Deal found 12/10$1,345

Sat 26/1205:40 -

2 stops26h 20m

Thu 7/112:00 -

2 stops38h 10m

Deal found 13/10$1,478

Find flight deals from Guam to Sydney

Round-trip from	$1,345
One-way from	$551

26/11-3/12
2 total stops
45h 15m total
Guam to Sydney

Search Deals

16/11-31/12
1 total stop
28h 50m total
Guam to Sydney

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

TamuningSydney

GUM Tamuning Guam Intl - SYD Sydney Kingsford Smith

GUMSYD

Tamuning Guam Intl

Mon 16/11

04:15-10:05

1 stop28h 50m

Sydney Kingsford Smith

Wed 31/12

00:00-00:00

Nonstop0h 00m

$551

TamuningSydney

GUM Tamuning Guam Intl - SYD Sydney Kingsford Smith

GUMSYD

Tamuning Guam Intl

Thu 22/10

04:40-09:00

2 stops27h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-00:00

Nonstop0h 00m

$618

TamuningSydney

GUM Tamuning Guam Intl - SYD Sydney Kingsford Smith

GUMSYD

Tamuning Guam Intl

Thu 22/10

01:40-09:00

3 stops30h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-00:00

Nonstop0h 00m

$740

TamuningSydney

GUM Tamuning Guam Intl - SYD Sydney Kingsford Smith

GUMSYD

Tamuning Guam Intl

Fri 12/2

05:25-06:30

3 stops48h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-00:00

Nonstop0h 00m

$841

TamuningSydney

GUM Tamuning Guam Intl - SYD Sydney Kingsford Smith

GUMSYD

Tamuning Guam Intl

Sat 26/12

05:40-09:00

2 stops26h 20m

Sydney Kingsford Smith

Thu 7/1

12:00-01:10

2 stops38h 10m

$1,478

TamuningSydney

GUM Tamuning Guam Intl - SYD Sydney Kingsford Smith

GUMSYD

Tamuning Guam Intl

Thu 26/11

05:40-10:00

2 stops27h 20m

Sydney Kingsford Smith

Thu 3/12

11:40-03:05

1 stop16h 25m

$1,524

TamuningSydney

GUM Tamuning Guam Intl - SYD Sydney Kingsford Smith

GUMSYD

Tamuning Guam Intl

Tue 9/2

05:25-09:50

1 stop27h 25m

Sydney Kingsford Smith

Wed 10/2

20:05-04:00

3 stops32h 55m

$2,577

TamuningSydney

GUM Tamuning Guam Intl - SYD Sydney Kingsford Smith

GUMSYD

Tamuning Guam Intl

Sat 14/11

05:40-09:50

3 stops51h 10m

Sydney Kingsford Smith

Wed 31/12

00:00-00:00

Nonstop0h 00m

$2,585

Fastest return journey

TamuningSydney

GUM Tamuning Guam Intl - SYD Sydney Kingsford Smith

GUMSYD

Tamuning Guam Intl

Sat 14/11

02:40-20:05

1 stop16h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-00:00

Nonstop0h 00m

$3,859

TamuningSydney

GUM Tamuning Guam Intl - SYD Sydney Kingsford Smith

GUMSYD

Tamuning Guam Intl

Wed 18/11

02:40-20:05

1 stop16h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-00:00

Nonstop0h 00m

$3,859

Flights are sorted by cheapest return flights first.

Deals found on 13/10

Showing 1-10 of 12 resultsSorted by cheapest first

Best time to book a flight from Guam to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Guam with our price prediction graph.

GUM-SYD

Estimated return 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 Guam to Sydney

GU0-SYD

GUM-SYD

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to Sydney from Guam?
For a flight from Guam to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre of the city.
Can I find deals for flights from Guam to Sydney that include hotel bookings?
Yes. In addition to deals on Guam to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Guam to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Guam to Sydney.
Can I find deals for business class flights from Guam to Sydney?
Yes. Cheapflights offers flight deals from Guam 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.

See more FAQs

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How does Cheapflights help users find flights from Guam to Sydney?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Sydney from Guam today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Guam to Sydney?

Cheapflights helps you find that perfect flight to Sydney from Guam by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Guam to Sydney with no change fees?

Certainly. Search results for flights to Sydney from Guam shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Guam to Sydney become cheaper?

Not ready to book yet? You can track prices for flights from Guam to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Guam to Sydney from $551

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Guam to Sydney

Cheapest flights from Guam to SydneyExplore the most affordable flight options available from Guam to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 October 2026.

Explore the most affordable flight options available from Guam to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 October 2026.

Best flights from Guam to SydneyDiscover carefully curated flight deals from Guam to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 October 2026.

Discover carefully curated flight deals from Guam to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 October 2026.

Last-minute flights from Guam to SydneyDiscover last-minute flight deals from Guam to Sydney. Data last updated 16 October 2026 and is based on user searches.

Discover last-minute flight deals from Guam to Sydney. Data last updated 16 October 2026 and is based on user searches.

One-way flights from Guam to SydneySearch for one-way flight options from Guam to Sydney. Find affordable one-way fares based on user searches. Data last updated 16 October 2026.

Search for one-way flight options from Guam to Sydney. Find affordable one-way fares based on user searches. Data last updated 16 October 2026.

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Use the filters below to find and compare flights from Guam to Sydney that are best for you.

Best time to book a flight from Guam to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Guam with our price prediction graph.

Cheapflights Insights

Related info for your journey

What airport do you fly into for flights to Sydney from Guam?

Can I find deals for flights from Guam to Sydney that include hotel bookings?

How can I find direct flights from Guam to Sydney?

Can I find deals for business class flights from Guam to Sydney?

Travelling to a place near Sydney?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Guam to Sydney

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Sydney by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to New South Wales

Book a non-stop flight to one of these other cities located in New South Wales.

Search flights from Guam to Sydney by cabin class

Find flights from Guam to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Guam and Sydney flights

Browse other Guam and Sydney flight options. Last updated on 16 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Other flights to Sydney

Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 16 October 2026.

Guam to Sydney flights

Consider these flights travelling from Guam to Sydney.

Fly with Cheapflights

How does Cheapflights help users find flights from Guam to Sydney?

Why should you use Cheapflights to find cheap flight tickets from Guam to Sydney?

Can Cheapflights find flights from Guam to Sydney with no change fees?

Can Cheapflights notify me if prices for flights from Guam to Sydney become cheaper?

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Travel Smart

Cheapest flights from Guam to Sydney
Explore the most affordable flight options available from Guam to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 October 2026.

Best flights from Guam to Sydney
Discover carefully curated flight deals from Guam to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 October 2026.

Last-minute flights from Guam to Sydney
Discover last-minute flight deals from Guam to Sydney. Data last updated 16 October 2026 and is based on user searches.

One-way flights from Guam to Sydney
Search for one-way flight options from Guam to Sydney. Find affordable one-way fares based on user searches. Data last updated 16 October 2026.