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Cheap flights from Gladstone to Sydney from $309

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
GLT — SYD
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Gladstone to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Gladstone (GLT) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 September 2025.

Round-trip from

$531

One-way from

$309

Popular in

November

Cheapest in

September

Average price

$474
Virgin Australia
  • Virgin Australia
  • 12/11-14/11
  • 2 total stops
  • 22h 55m total
  • Gladstone to Sydney
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Qantas Airways
  • Qantas Airways
  • 15/10
  • 1 total stop
  • 14h 45m total
  • Gladstone to Sydney
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($146 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from Gladstone to Sydney

Cheapest flights from Gladstone to Sydney
Explore the most affordable flight options available from Gladstone to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Wed 12/1118:40GLT - SYD
1 stop12h 00mVirgin Australia
Fri 14/1108:00SYD - GLT
1 stop10h 55mVirgin Australia
Deal found 15/9$531
Wed 15/1018:35GLT - SYD
1 stop12h 35mVirgin Australia
Wed 22/1007:30SYD - GLT
1 stop11h 30mVirgin Australia
Deal found 17/9$601
Thu 2/1007:40GLT - SYD
1 stop4h 20mQantas Airways
Tue 7/1014:05SYD - GLT
1 stop4h 55mQantas Airways
Deal found 17/9$770
Wed 1/1017:35GLT - SYD
1 stop4h 45mMultiple Airlines
Sun 5/1006:00SYD - GLT
1 stop15h 55mMultiple Airlines
Deal found 16/9$788
Fri 24/1007:40GLT - SYD
1 stop5h 10mQantas Airways
Sun 26/1006:05SYD - GLT
1 stop6h 00mQantas Airways
Deal found 17/9$797
Thu 2/1007:40GLT - SYD
1 stop5h 20mMultiple Airlines
Tue 7/1021:35SYD - GLT
2 stops21h 25mMultiple Airlines
Deal found 17/9$1,006
Wed 1/1006:30GLT - SYD
2 stops7h 25mQantas Airways
Sun 5/1018:10SYD - GLT
1 stop3h 45mQantas Airways
Deal found 16/9$1,045

Cheapflights Fare Finder

 
Customise your flight search to find flights from Gladstone 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, Cheapflights users made 647,157 searches. Data last updated 18 September 2025.
Use the filters below to find and compare flights from Gladstone to Sydney that are best for you.

Fly from

Gladstone

Fly to

Sydney

Route

Depart

Return

Price

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Wed 12/11

18:40-07:40

1 stop12h 00m

Sydney Kingsford Smith

Fri 14/11

08:00-17:55

1 stop10h 55m

$531

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Wed 15/10

18:35-08:10

1 stop12h 35m

Sydney Kingsford Smith

Wed 22/10

07:30-18:00

1 stop11h 30m

$601

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Thu 2/10

07:40-12:00

1 stop4h 20m

Sydney Kingsford Smith

Tue 7/10

14:05-18:00

1 stop4h 55m

$770

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Fri 24/10

07:40-13:50

1 stop5h 10m

Sydney Kingsford Smith

Sun 26/10

06:05-11:05

1 stop6h 00m

$797

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Fri 24/10

06:35-11:00

1 stop3h 25m

Sydney Kingsford Smith

Mon 27/10

16:15-20:55

1 stop5h 40m

$797

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Thu 2/10

07:40-13:00

1 stop5h 20m

Sydney Kingsford Smith

Tue 7/10

21:35-18:00

2 stops21h 25m

$1,006

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Wed 15/10

18:35-07:25

2 stops11h 50m

$517

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Best time to book a flight from Gladstone to Sydney

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

What is the cheapest month to book a flight from Gladstone to Sydney?

Currently, May is the cheapest month in which you can book a flight from Gladstone to Sydney (average of $129). Flying from Gladstone to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 18 September 2025.
See what other customers who have flown with Virgin Australia and Qantas Airways from Gladstone to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Virgin Australia
7.6
Good
416 reviews
Check prices

Crew

8.2

Food

6.4

Boarding

7.7

Comfort

7.5

Entertainment

6.4

Overall

7.6

Reviews

1 / 20
6.0
Good

Andrew,June 2025

MEL - CNS

We didn’t eat or drink, but feel like a sardine. No room at all.
Virgin Australia
7.6
Good
416 reviews
Virgin Australia
7.6
Good
416 reviews
Check prices

Crew

8.2

Food

6.4

Boarding

7.7

Comfort

7.5

Entertainment

6.4

Overall

7.6

Reviews

1 / 20
6.0
Good

Andrew,June 2025

MEL - CNS

We didn’t eat or drink, but feel like a sardine. No room at all.
Qantas Airways
7.5
Good
907 reviews
Virgin Australia
7.6
Good
416 reviews
Check prices

Crew

8.2

Food

6.4

Boarding

7.7

Comfort

7.5

Entertainment

6.4

Overall

7.6

Reviews

1 / 20
6.0
Good

Andrew,June 2025

MEL - CNS

We didn’t eat or drink, but feel like a sardine. No room at all.

Related info for your journey

Find useful and relevant information for your journey from Gladstone to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Gladstone to Sydney?

    Virgin Australia and Qantas Airways can get you from Gladstone to Sydney in just under 4h 20m. Your travel time can differ by up to 7h 40m. The distance from Gladstone to Sydney is about 1118 km. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Gladstone to Sydney round-trip?

    Our cheapest airline available from Gladstone to Sydney is Virgin Australia. Our recent data shows that you can find tickets from as low as $341 on this airline. An additional option worth looking into is Qantas Airways, starting at $474. Virgin Australia is 43% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

  • How can I find direct flights from Gladstone to Sydney?

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

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

    Yes. Cheapflights offers flight deals from Gladstone 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.

  • What is the cheapest month to book a flight from Gladstone to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Gladstone to Sydney (average of $129). Flying from Gladstone to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Sydney?

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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Gladstone to Sydney

Discover the top 2 airlines that operate flights from Gladstone to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AustraliaCheapest$341Average$496FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Qantas AirwaysCheapest$474Average$667FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Deals for Gladstone to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Gladstone to Sydney for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Gladstone to Sydney flexibly with Cheapflights today.

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

Yes! Start tracking prices for Gladstone to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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