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Cheap flights from Gladstone to Sydney from $231

GLT — SYD
3 Nov — 10 Nov1
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

Wed 21/1017:35 -
1 stop3h 45m
Thu 22/1010:30 -
1 stop7h 30m
Deal found 29/9$463
Sun 11/1017:35 -
1 stop3h 45m
Sun 25/1009:00 -
1 stop4h 15m
Deal found 1/10$499
Sat 17/1010:40 -
1 stop5h 00m
Wed 21/1010:00 -
1 stop8h 00m
Deal found 30/9$542
Fri 4/1217:05 -
1 stop4h 20m
Sun 6/1210:00 -
1 stop3h 15m
Deal found 2/10$560
Thu 15/1017:35 -
1 stop3h 45m
Mon 19/1008:30 -
1 stop4h 15m
Deal found 30/9$632
Sun 11/1017:35 -
1 stop3h 45m
Sun 25/1021:55 -
2 stops12h 05m
Deal found 1/10$763
Wed 21/1017:35 -
1 stop3h 45m
Thu 22/1022:00 -
2 stops20h 00m
Deal found 29/9$806
Sat 17/1010:40 -
1 stop5h 00m
Wed 21/1022:00 -
2 stops20h 00m
Deal found 30/9$818
Thu 22/1006:35 -
1 stop4h 20m
Wed 28/1014:00 -
1 stop3h 40m
Deal found 30/9$856
Mon 26/1006:30 -
1 stop3h 35m
Sun 1/1114:00 -
1 stop3h 25m
Deal found 3/10$976
Sat 5/1217:15 -
2 stops14h 20m
Sun 6/1221:50 -
1 stop10h 05m
Deal found 2/10$991

Find flight deals from Gladstone to Sydney

Round-trip from

$463

One-way from

$231

Popular in

October

Cheapest in

March

Average price

$1,012
Virgin Australia
  • Virgin Australia
  • 21/10-22/10
  • 2 total stops
  • 11h 15m total
  • Gladstone to Sydney
Search Deals
Virgin Australia
  • Virgin Australia
  • 22/11-31/12
  • 1 total stop
  • 4h 40m total
  • Gladstone to Sydney
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($148 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($51 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 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

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Sun 22/11

13:00-18:40

1 stop4h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-00:00

Nonstop0h 00m

$231
Fastest return journey

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Wed 14/10

07:40-13:15

1 stop4h 35m

Sydney Kingsford Smith

Wed 31/12

00:00-00:00

Nonstop0h 00m

$411

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Wed 21/10

17:35-22:20

1 stop3h 45m

Sydney Kingsford Smith

Thu 22/10

10:30-17:00

1 stop7h 30m

$463

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Mon 1/2

09:35-14:40

1 stop4h 05m

Sydney Kingsford Smith

Fri 5/2

09:00-17:55

1 stop9h 55m

$487

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Wed 14/10

17:35-07:25

2 stops12h 50m

Sydney Kingsford Smith

Wed 31/12

00:00-00:00

Nonstop0h 00m

$491

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Fri 4/12

17:05-22:25

1 stop4h 20m

Sydney Kingsford Smith

Sun 6/12

10:00-12:15

1 stop3h 15m

$560

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Thu 15/10

17:35-22:20

1 stop3h 45m

Sydney Kingsford Smith

Mon 19/10

08:30-11:45

1 stop4h 15m

$632

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Mon 12/10

12:20-18:25

2 stops29h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-00:00

Nonstop0h 00m

$641

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Sat 17/10

10:40-16:40

1 stop5h 00m

Sydney Kingsford Smith

Wed 21/10

22:00-17:00

2 stops20h 00m

$818

Flights are sorted by cheapest return flights first.

Deals found on 30/9

Sorted by cheapest first

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, March is the cheapest month in which you can book a flight from Gladstone to Sydney (average of $486). Flying from Gladstone to Sydney in October is currently the most expensive (average of $1,012). 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 below average for this route at the moment.

Gladstone to Sydney flights typically cost between $520 and $1,227 in October.
The cheapest return price found within the last 5 days was $463 on Virgin Australia (21 Oct–22 Oct).

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
479 reviews
Check prices

Boarding

7.8

Crew

8.2

Entertainment

6.4

Overall

7.6

Comfort

7.5

Food

6.4

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
479 reviews
Virgin Australia
7.6
Good
479 reviews
Check prices

Boarding

7.8

Crew

8.2

Entertainment

6.4

Overall

7.6

Comfort

7.5

Food

6.4

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
1,102 reviews
Virgin Australia
7.6
Good
479 reviews
Check prices

Boarding

7.8

Crew

8.2

Entertainment

6.4

Overall

7.6

Comfort

7.5

Food

6.4

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 can get you from Gladstone to Sydney in just under 3h 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 $222 on this airline. An additional option worth looking into is Qantas Airways, starting at $295. Virgin Australia is 64% 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, March is the cheapest month in which you can book a flight from Gladstone to Sydney (average of $486). Flying from Gladstone to Sydney in October is currently the most expensive (average of $1,012). 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
Lithgow
Cronulla
Terrigal
Katoomba
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$222Average$512FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Qantas AirwaysCheapest$295Average$601FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

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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.

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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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