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Cheap flights from Gladstone to Sydney from $265

GLT — SYD
6 Dec — 13 Dec1
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

Sun 6/1213:00 -
1 stop4h 40m
Wed 9/1215:00 -
1 stop3h 55m
Deal found 3/11$461
Sun 29/1113:00 -
1 stop4h 10m
Mon 30/1109:00 -
1 stop4h 15m
Deal found 2/11$514
Sat 19/1211:40 -
1 stop6h 15m
Sat 26/1206:05 -
1 stop6h 00m
Deal found 3/11$562
Thu 31/1217:05 -
1 stop3h 25m
Mon 4/106:55 -
1 stop3h 50m
Deal found 4/11$571
Sun 20/1213:00 -
1 stop4h 40m
Sun 27/1208:00 -
1 stop5h 15m
Deal found 5/11$581
Sun 8/1113:00 -
1 stop6h 40m
Tue 10/1106:00 -
1 stop12h 55m
Deal found 2/11$590
Fri 20/1118:40 -
1 stop16h 00m
Tue 24/1115:00 -
1 stop3h 55m
Deal found 4/11$688
Sat 21/1110:35 -
1 stop7h 05m
Wed 25/1107:00 -
1 stop11h 55m
Deal found 6/11$711
Tue 10/1110:30 -
1 stop5h 30m
Tue 17/1107:00 -
1 stop11h 55m
Deal found 5/11$720
Sun 6/1217:05 -
1 stop4h 20m
Wed 9/1213:30 -
2 stops7h 30m
Deal found 3/11$774

Find flight deals from Gladstone to Sydney

Round-trip from

$461

One-way from

$265

Popular in

January

Cheapest in

November

Average price

$459
Virgin Australia
  • Virgin Australia
  • 6/12-9/12
  • 2 total stops
  • 8h 35m total
  • Gladstone to Sydney
Search Deals
Qantas Airways
  • Qantas Airways
  • 1/12-31/12
  • 1 total stop
  • 4h 20m total
  • Gladstone to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($67 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Tue 1/12

17:05-22:25

1 stop4h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-00:00

Nonstop0h 00m

$265

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Tue 15/12

15:25-21:30

1 stop5h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-00:00

Nonstop0h 00m

$286

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Tue 1/12

06:30-12:20

1 stop4h 50m

Sydney Kingsford Smith

Wed 31/12

00:00-00:00

Nonstop0h 00m

$396

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Tue 15/12

18:40-07:25

2 stops11h 45m

Sydney Kingsford Smith

Wed 31/12

00:00-00:00

Nonstop0h 00m

$442

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Sun 6/12

13:00-18:40

1 stop4h 40m

Sydney Kingsford Smith

Wed 9/12

15:00-17:55

1 stop3h 55m

$461

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Sun 29/11

13:00-18:10

1 stop4h 10m

Sydney Kingsford Smith

Mon 30/11

09:00-12:15

1 stop4h 15m

$514

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Sat 19/12

11:40-18:55

1 stop6h 15m

Sydney Kingsford Smith

Sat 26/12

06:05-11:05

1 stop6h 00m

$562

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Sun 20/12

13:00-18:40

1 stop4h 40m

Sydney Kingsford Smith

Sun 27/12

08:00-12:15

1 stop5h 15m

$581

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Fri 20/11

18:40-11:40

1 stop16h 00m

Sydney Kingsford Smith

Tue 24/11

15:00-17:55

1 stop3h 55m

$688

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Sat 21/11

10:35-18:40

1 stop7h 05m

Sydney Kingsford Smith

Wed 25/11

07:00-17:55

1 stop11h 55m

$711

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Showing 1-10 of 16 resultsSorted by cheapest first
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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

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, November is the cheapest month in which you can book a flight from Gladstone to Sydney (average of $459). Flying from Gladstone to Sydney in January is currently the most expensive (average of $678). 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.

How much does it cost for a return flight from Gladstone to Sydney?

Airfare is typical for this route at the moment.

Gladstone to Sydney flights typically cost between $296 and $514 in December.
The cheapest return price found within the last 5 days was $461 on Virgin Australia (6 Dec–9 Dec).

Reviews of airlines servicing Sydney

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
484 reviews
Check prices

Overall

7.6

Food

6.4

Boarding

7.8

Crew

8.2

Entertainment

6.4

Comfort

7.5

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now
Virgin Australia
7.6
Good
484 reviews
Virgin Australia
7.6
Good
484 reviews
Check prices

Overall

7.6

Food

6.4

Boarding

7.8

Crew

8.2

Entertainment

6.4

Comfort

7.5

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now
Qantas Airways
7.5
Good
1,123 reviews
Virgin Australia
7.6
Good
484 reviews
Check prices

Overall

7.6

Food

6.4

Boarding

7.8

Crew

8.2

Entertainment

6.4

Comfort

7.5

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now

Related info for your journey

  • 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 40m. Your travel time can differ by up to 1h 35m. 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 $221 on this airline. An additional option worth looking into is Qantas Airways, starting at $287. Virgin Australia is 60% 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, November is the cheapest month in which you can book a flight from Gladstone to Sydney (average of $459). Flying from Gladstone to Sydney in January is currently the most expensive (average of $678). 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
Penrith
Manly
Cronulla
Katoomba
Terrigal
Lithgow
Randwick
Leura
Bondi Beach
Coogee

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Gladstone to Sydney

AirlineCheapestAverageFlexibilityOn-time
Virgin AustraliaCheapest$221Average$510FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Qantas AirwaysCheapest$287Average$588FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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.

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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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