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Cheap flights from Gladstone to Sydney from $487

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
GLT — SYD
16 Jan — 23 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Gladstone to Sydney

Enter your travel dates to find the best prices.

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 17 December 2025.

Tue 16/1207:35GLT - SYD
1 stop4h 25mQantas Airways
Mon 19/107:05SYD - GLT
1 stop3h 40mQantas Airways
Deal found 15/12$684
Wed 31/1218:40GLT - SYD
1 stop13h 10mMultiple Airlines
Sun 4/106:20SYD - GLT
1 stop15h 40mMultiple Airlines
Deal found 15/12$765
Sat 20/1217:10GLT - SYD
1 stop4h 15mQantas Airways
Tue 23/1207:05SYD - GLT
1 stop3h 40mQantas Airways
Deal found 15/12$788
Sat 20/1217:10GLT - SYD
1 stop4h 15mQantas Airways
Mon 22/1207:05SYD - GLT
1 stop3h 45mQantas Airways
Deal found 15/12$796
Fri 19/1210:30GLT - SYD
1 stop8h 35mQantas Airways
Mon 22/1206:05SYD - GLT
1 stop4h 45mQantas Airways
Deal found 15/12$797
Mon 29/1215:05GLT - SYD
1 stop4h 00mQantas Airways
Thu 1/107:05SYD - GLT
1 stop3h 40mQantas Airways
Deal found 14/12$803
Wed 31/1217:10GLT - SYD
1 stop3h 45mQantas Airways
Thu 1/107:05SYD - GLT
1 stop3h 40mQantas Airways
Deal found 14/12$811
Tue 30/1217:10GLT - SYD
1 stop4h 15mQantas Airways
Thu 1/107:05SYD - GLT
1 stop3h 40mQantas Airways
Deal found 14/12$860
Mon 29/1215:05GLT - SYD
1 stop4h 00mQantas Airways
Fri 2/121:55SYD - GLT
1 stop14h 10mQantas Airways
Deal found 14/12$903

Find 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 17 December 2025.

Round-trip from

$487

Popular in

October

Cheapest in

September

Average price

$612
Virgin Australia
  • Virgin Australia
  • 12/1-19/1
  • 2 total stops
  • 10h 20m total
  • Gladstone to Sydney
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 17 December 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

Mon 12/1

11:55-19:40

1 stop6h 45m

Sydney Kingsford Smith

Mon 19/1

08:30-11:05

1 stop3h 35m

$487

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Wed 27/5

17:35-22:20

1 stop4h 45m

Sydney Kingsford Smith

Sat 30/5

06:00-09:55

1 stop3h 55m

$526

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Wed 27/5

17:35-22:20

1 stop4h 45m

Sydney Kingsford Smith

Sun 31/5

13:00-17:00

1 stop4h 00m

$550

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Wed 28/1

18:40-08:40

1 stop13h 00m

Sydney Kingsford Smith

Thu 29/1

11:00-17:55

1 stop7h 55m

$558

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Wed 28/1

18:40-07:30

2 stops11h 50m

Sydney Kingsford Smith

Thu 29/1

13:50-17:55

1 stop5h 05m

$726

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Wed 31/12

18:40-08:50

1 stop13h 10m

Sydney Kingsford Smith

Sun 4/1

06:20-21:00

1 stop15h 40m

$765

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Wed 27/5

07:40-12:15

1 stop4h 35m

Sydney Kingsford Smith

Sat 30/5

06:00-14:40

2 stops8h 40m

$835

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Wed 27/5

10:30-18:55

2 stops8h 25m

Sydney Kingsford Smith

Sun 31/5

13:55-20:05

1 stop6h 10m

$836

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Tue 30/12

06:35-12:15

1 stop4h 40m

Sydney Kingsford Smith

Fri 2/1

06:05-09:45

1 stop4h 40m

$922

Flights are sorted by cheapest return flights first.

Deals found on 15/12

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, April is the cheapest month in which you can book a flight from Gladstone to Sydney (average of $175). Flying from Gladstone to Sydney in December is currently the most expensive (average of $411). 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 17 December 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
428 reviews
Check prices

Entertainment

6.4

Crew

8.2

Overall

7.6

Food

6.4

Boarding

7.7

Comfort

7.5

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
428 reviews
Virgin Australia
7.6
Good
428 reviews
Check prices

Entertainment

6.4

Crew

8.2

Overall

7.6

Food

6.4

Boarding

7.7

Comfort

7.5

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
946 reviews
Virgin Australia
7.6
Good
428 reviews
Check prices

Entertainment

6.4

Crew

8.2

Overall

7.6

Food

6.4

Boarding

7.7

Comfort

7.5

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 can get you from Gladstone to Sydney in just under 6h 45m. Your travel time can differ by up to . The distance from Gladstone to Sydney is about 1118 km.

  • 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 $224 on this airline. An additional option worth looking into is Qantas Airways, starting at $383. Virgin Australia is 61% 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, April is the cheapest month in which you can book a flight from Gladstone to Sydney (average of $175). Flying from Gladstone to Sydney in December is currently the most expensive (average of $411). 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
Terrigal
Manly
Randwick
Lithgow
Coogee
Leura
Cronulla
Bondi Beach

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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 17 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AustraliaCheapest$236Average$481FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Qantas AirwaysCheapest$472Average$615FlexibilityNo 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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