What is the cheapest airline that flies from Gladstone to Sydney Kingsford Smith?

Virgin Australia and Qantas Airways are the most popular carriers operating from Gladstone to Sydney Kingsford Smith

When did momondo last update prices for flights from Gladstone Airport to Sydney Kingsford Smith Airport?

Prices for flights from Gladstone Airport to Sydney Kingsford Smith Airport were last updated today.

How many operators does momondo search for flights from Gladstone Airport to Sydney Kingsford Smith Airport?

There are 2 operators available for flights from Gladstone Airport to Sydney Kingsford Smith Airport as of September 2026.

How old do you have to be to fly from Gladstone Airport to Sydney Kingsford Smith Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Gladstone Airport to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$270 Cheap Flights from Gladstone to Sydney in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Gladstone to Sydney

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One-way

Cheap return flights

Enter your travel dates to find the best prices.

17:35 - 22:20GLT Gladstone-SYD Sydney Kingsford Smith

3h 45m1 stop Brisbane

07:30 - 09:50SYD Sydney Kingsford Smith-GLT Gladstone

3h 20m1 stop Brisbane

$458Virgin Australia

Tue, 13 Oct - Sat, 31 Oct

10:40 - 18:40GLT Gladstone-SYD Sydney Kingsford Smith

7h 00m1 stop Brisbane

08:30 - 11:45SYD Sydney Kingsford Smith-GLT Gladstone

4h 15m1 stop Brisbane

$458Virgin Australia

Sat, 17 Oct - Mon, 19 Oct

17:35 - 22:20GLT Gladstone-SYD Sydney Kingsford Smith

3h 45m1 stop Brisbane

15:00 - 17:55SYD Sydney Kingsford Smith-GLT Gladstone

3h 55m1 stop Brisbane

$458Virgin Australia

Fri, 16 Oct - Tue, 27 Oct

10:40 - 18:40GLT Gladstone-SYD Sydney Kingsford Smith

7h 00m1 stop Brisbane

10:30 - 17:00SYD Sydney Kingsford Smith-GLT Gladstone

7h 30m1 stop Brisbane

$458Virgin Australia

Sat, 17 Oct - Thu, 22 Oct

17:05 - 22:25GLT Gladstone-SYD Sydney Kingsford Smith

4h 20m1 stop Brisbane

06:05 - 09:45SYD Sydney Kingsford Smith-GLT Gladstone

4h 40m1 stop Brisbane

$532Qantas Airways

Fri, 18 Dec - Mon, 21 Dec

07:40 - 14:15GLT Gladstone-SYD Sydney Kingsford Smith

5h 35m1 stop Brisbane

11:00 - 17:00SYD Sydney Kingsford Smith-GLT Gladstone

7h 00m1 stop Brisbane

$543Multiple Airlines

Wed, 7 Oct - Wed, 14 Oct

06:30 - 11:45GLT Gladstone-SYD Sydney Kingsford Smith

4h 15m1 stop Brisbane

08:00 - 17:55SYD Sydney Kingsford Smith-GLT Gladstone

10h 55m1 stop Brisbane

$563Multiple Airlines

Thu, 17 Dec - Sun, 20 Dec

17:05 - 22:25GLT Gladstone-SYD Sydney Kingsford Smith

4h 20m1 stop Brisbane

08:00 - 17:55SYD Sydney Kingsford Smith-GLT Gladstone

10h 55m1 stop Brisbane

$566Multiple Airlines

Fri, 18 Dec - Sun, 20 Dec

10:30 - 21:15GLT Gladstone-SYD Sydney Kingsford Smith

9h 45m2 stops Brisbane Melbourne

07:35 - 14:40SYD Sydney Kingsford Smith-GLT Gladstone

8h 05m1 stop Brisbane

$882Qantas Airways

Mon, 5 Oct - Mon, 12 Oct

11:40 - 18:00GLT Gladstone-SYD Sydney Kingsford Smith

5h 20m1 stop Brisbane

21:50 - 07:00SYD Sydney Kingsford Smith-GLT Gladstone

10h 10m1 stop Brisbane

$929Qantas Airways

Sun, 20 Dec - Sun, 20 Dec

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Qantas Airways flights from Gladstone to Sydney

Our best Qantas Airways deals on Gladstone to Sydney flight tickets

Qantas Airways

18 Dec

GLT17:05Gladstone

4h 20m

1 stop

SYD22:25Sydney Kingsford Smith

21 Dec

SYD06:05Sydney Kingsford Smith

4h 40m

1 stop

GLT09:45Gladstone

$532

Qantas Airways

9 Mar

GLT10:30Gladstone

4h 40m

1 stop

SYD16:10Sydney Kingsford Smith

10 Mar

SYD14:00Sydney Kingsford Smith

3h 40m

1 stop

GLT16:40Gladstone

$533

Qantas Airways

5 Oct

GLT10:30Gladstone

9h 45m

2 stops

SYD21:15Sydney Kingsford Smith

12 Oct

SYD07:35Sydney Kingsford Smith

8h 05m

1 stop

GLT14:40Gladstone

$882

Virgin Australia flights from Gladstone to Sydney

Our best Virgin Australia deals on Gladstone to Sydney flight tickets

Virgin Australia

17 Oct

GLT10:40Gladstone

7h 00m

1 stop

SYD18:40Sydney Kingsford Smith

19 Oct

SYD08:30Sydney Kingsford Smith

4h 15m

1 stop

GLT11:45Gladstone

$458

Virgin Australia

5 Dec

GLT10:35Gladstone

7h 05m

1 stop

SYD18:40Sydney Kingsford Smith

4 Jan

SYD08:30Sydney Kingsford Smith

3h 35m

1 stop

GLT11:05Gladstone

$478

Virgin Australia

1 Feb

GLT08:05Gladstone

5h 35m

1 stop

SYD14:40Sydney Kingsford Smith

5 Feb

SYD07:00Sydney Kingsford Smith

11h 55m

1 stop

GLT17:55Gladstone

$487

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Tue 13/10

17:35-22:20

1 stop3h 45m

Sydney Kingsford Smith

Sat 31/10

07:30-09:50

1 stop3h 20m

$458

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Sat 17/10

10:40-18:40

1 stop7h 00m

Sydney Kingsford Smith

Mon 19/10

08:30-11:45

1 stop4h 15m

$458

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Fri 16/10

17:35-22:20

1 stop3h 45m

Sydney Kingsford Smith

Tue 27/10

15:00-17:55

1 stop3h 55m

$458

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Sat 17/10

10:40-18:40

1 stop7h 00m

Sydney Kingsford Smith

Thu 22/10

10:30-17:00

1 stop7h 30m

$458

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Fri 18/12

17:05-22:25

1 stop4h 20m

Sydney Kingsford Smith

Mon 21/12

06:05-09:45

1 stop4h 40m

$532

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Wed 7/10

07:40-14:15

1 stop5h 35m

Sydney Kingsford Smith

Wed 14/10

11:00-17:00

1 stop7h 00m

$543

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Thu 17/12

06:30-11:45

1 stop4h 15m

Sydney Kingsford Smith

Sun 20/12

08:00-17:55

1 stop10h 55m

$563

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Fri 18/12

17:05-22:25

1 stop4h 20m

Sydney Kingsford Smith

Sun 20/12

08:00-17:55

1 stop10h 55m

$566

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Mon 5/10

10:30-21:15

2 stops9h 45m

Sydney Kingsford Smith

Mon 12/10

07:35-14:40

1 stop8h 05m

$882

GladstoneSydney

GLT Gladstone - SYD Sydney Kingsford Smith

GLTSYD

Gladstone

Sun 20/12

11:40-18:00

1 stop5h 20m

Sydney Kingsford Smith

Sun 20/12

21:50-07:00

1 stop10h 10m

$929

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

How to get the cheapest flight ticket from Gladstone to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Sydney?

The month of February is, on average, the cheapest month to fly to Sydney from Gladstone, with most prices found around $284. If you aren’t able to travel to Sydney during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $468.

How have Gladstone to Sydney flight prices changed over time?

As of September 2026, prices for Gladstone to Sydney flights are approximately 14% more expensive when compared to flights at the same time last year.

When to book flights from Gladstone to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Gladstone to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Gladstone to Sydney (GLT to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Gladstone to Sydney

Best price found	$270
Fastest flight time	3h 35m
Direct flights	None

The best one-way flight to Sydney from Gladstone in the past 72 hours is $270. The best return flight deal from Gladstone to Sydney found on momondo in the last 72 hours is $458.

The fastest flight from Gladstone to Sydney takes 3h 35m

There are no direct flights from Gladstone to Sydney. There are no popular flight routes from Gladstone to Sydney.

Search flight deals

Frequently asked questions about flying from Gladstone to Sydney

How far is Gladstone to Sydney Kingsford Smith by plane?
There are 1115.2 km between Gladstone and Sydney Kingsford Smith. A reasonable flight in good conditions will take 3h 35m.
When did momondo last update prices for flights from Gladstone Airport to Sydney Kingsford Smith Airport?
Prices for flights from Gladstone Airport to Sydney Kingsford Smith Airport were last updated today.
How many operators does momondo search for flights from Gladstone Airport to Sydney Kingsford Smith Airport?
There are 2 operators available for flights from Gladstone Airport to Sydney Kingsford Smith Airport as of September 2026.
How old do you have to be to fly from Gladstone Airport to Sydney Kingsford Smith Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Gladstone Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Gladstone to Sydney?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Gladstone to Sydney is Qantas Airways (65% of total bookings). The next most popular airline is Virgin Australia (35%).

Best airlines flying from Gladstone to Sydney

Compare and see reviews for airlines that fly from Gladstone to Sydney with momondo

Airline	Rating	Free cancellation	Price
Virgin Australia	PriceFrom $206	Free cancellation	Rating 7.6 474 reviews		Search Virgin Australia flights
Qantas Airways	PriceFrom $278	Free cancellation	Rating 7.5 1,091 reviews		Search Qantas Airways flights

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Why use momondo?

Why should I use momondo to find a flight deal from Gladstone to Sydney?

It is quick and easy to find Gladstone to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

Can I find flights from Gladstone to Sydney with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sydney from Gladstone with this policy.

How can momondo help me find flights from Gladstone to Sydney?

Once all potential Gladstone to Sydney flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Gladstone to Sydney right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Gladstone to Sydney flights. All you need is a valid email address and we will do the rest; it is that quick and easy.