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Cheap flights from Gladstone to Sydney from $254

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Gladstone to Sydney departing on 21/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Gladstone to Sydney

Cheap return flights

Enter your travel dates to find the best prices.
Virgin Australia Logo
11:55 - 16:40GLT-SYD
3h 45m1 stop
Virgin Australia Logo
15:00 - 17:55SYD-GLT
3h 55m1 stop
$411Virgin Australia
Find Deal
Mon, 16 Mar - Fri, 20 Mar
Virgin Australia Logo
12:20 - 18:10GLT-SYD
5h 50m1 stop
Virgin Australia Logo
09:00 - 17:00SYD-GLT
8h 00m1 stop
$531Virgin Australia
Find Deal
Mon, 13 Apr - Sun, 19 Apr
Qantas Airways Logo
15:05 - 20:05GLT-SYD
4h 00m1 stop
Qantas Airways Logo
06:05 - 09:45SYD-GLT
4h 40m1 stop
$554Qantas Airways
Find Deal
Tue, 9 Dec - Tue, 16 Dec
Qantas Airways Logo
18:50 - 22:25GLT-SYD
3h 35m1 stop
Qantas Airways Logo
11:40 - 16:30SYD-GLT
4h 50m1 stop
$586Qantas Airways
Find Deal
Wed, 15 Apr - Sun, 19 Apr
Qantas Airways Logo
15:10 - 18:50GLT-SYD
3h 40m1 stop
Qantas Airways Logo
11:40 - 16:30SYD-GLT
4h 50m1 stop
$594Qantas Airways
Find Deal
Sat, 18 Apr - Sun, 19 Apr
Qantas Airways Logo
11:40 - 15:30GLT-SYD
3h 50m1 stop
Qantas Airways Logo
17:30 - 20:55SYD-GLT
3h 25m1 stop
$631Qantas Airways
Find Deal
Sun, 19 Apr - Sun, 19 Apr
Multiple Airlines Logo
07:35 - 12:15GLT-SYD
3h 40m1 stop
Multiple Airlines Logo
22:10 - 20:55SYD-GLT
23h 45m2 stops
$702Multiple Airlines
Find Deal
Tue, 9 Dec - Tue, 16 Dec
Multiple Airlines Logo
17:10 - 20:40GLT-SYD
26h 30m1 stop
Multiple Airlines Logo
06:20 - 18:10SYD-GLT
12h 50m1 stop
$823Multiple Airlines
Find Deal
Sun, 23 Nov - Wed, 26 Nov
Air New Zealand Logo
18:55 - 08:10GLT-SYD
37h 15m2 stops
Air New Zealand Logo
18:20 - 20:55SYD-GLT
26h 35m2 stops
$1,359Air New Zealand
Find Deal
Fri, 17 Apr - Sun, 19 Apr
Air New Zealand Logo
07:35 - 08:10GLT-SYD
24h 35m2 stops
Air New Zealand Logo
18:20 - 20:55SYD-GLT
26h 35m2 stops
$1,405Air New Zealand
Find Deal
Mon, 13 Apr - Sun, 19 Apr

Virgin Australia flights from Gladstone to Sydney

Our best Virgin Australia deals on Gladstone to Sydney flight tickets
Virgin Australia
16 Mar
GLT11:55Gladstone
3h 45m
1 stop
SYD16:40Sydney Kingsford Smith
20 Mar
SYD15:00Sydney Kingsford Smith
3h 55m
1 stop
GLT17:55Gladstone
$411
Find similar
Virgin Australia
13 Apr
GLT12:20Gladstone
5h 50m
1 stop
SYD18:10Sydney Kingsford Smith
19 Apr
SYD09:00Sydney Kingsford Smith
8h 00m
1 stop
GLT17:00Gladstone
$531
Find similar
Virgin Australia
24 Nov
GLT11:55Gladstone
6h 15m
1 stop
SYD19:10Sydney Kingsford Smith
28 Nov
SYD08:30Sydney Kingsford Smith
10h 25m
1 stop
GLT17:55Gladstone
$634
Find similar

Qantas Airways flights from Gladstone to Sydney

Our best Qantas Airways deals on Gladstone to Sydney flight tickets
Qantas Airways
9 Dec
GLT15:05Gladstone
4h 00m
1 stop
SYD20:05Sydney Kingsford Smith
16 Dec
SYD06:05Sydney Kingsford Smith
4h 40m
1 stop
GLT09:45Gladstone
$554
Find similar
Qantas Airways
15 Apr
GLT18:50Gladstone
3h 35m
1 stop
SYD22:25Sydney Kingsford Smith
19 Apr
SYD11:40Sydney Kingsford Smith
4h 50m
1 stop
GLT16:30Gladstone
$586
Find similar
Qantas Airways
18 Apr
GLT15:10Gladstone
3h 40m
1 stop
SYD18:50Sydney Kingsford Smith
19 Apr
SYD11:40Sydney Kingsford Smith
4h 50m
1 stop
GLT16:30Gladstone
$594
Find similar

momondo 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, momondo users made 78,305 searches. Data last updated 10 November 2025.
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

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Mon 16/3

11:55-16:40

1 stop3h 45m

Sydney Kingsford Smith

Fri 20/3

15:00-17:55

1 stop3h 55m

$411

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Mon 13/4

12:20-18:10

1 stop5h 50m

Sydney Kingsford Smith

Sun 19/4

09:00-17:00

1 stop8h 00m

$531

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Tue 9/12

15:05-20:05

1 stop4h 00m

Sydney Kingsford Smith

Tue 16/12

06:05-09:45

1 stop4h 40m

$554

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Wed 15/4

18:50-22:25

1 stop3h 35m

Sydney Kingsford Smith

Sun 19/4

11:40-16:30

1 stop4h 50m

$586

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Sat 18/4

15:10-18:50

1 stop3h 40m

Sydney Kingsford Smith

Sun 19/4

11:40-16:30

1 stop4h 50m

$594

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Sun 19/4

11:40-15:30

1 stop3h 50m

Sydney Kingsford Smith

Sun 19/4

17:30-20:55

1 stop3h 25m

$631

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Tue 9/12

07:35-12:15

1 stop3h 40m

Sydney Kingsford Smith

Tue 16/12

22:10-20:55

2 stops23h 45m

$702

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Sun 23/11

17:10-20:40

1 stop26h 30m

Sydney Kingsford Smith

Wed 26/11

06:20-18:10

1 stop12h 50m

$823

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Fri 17/4

18:55-08:10

2 stops37h 15m

Sydney Kingsford Smith

Sun 19/4

18:20-20:55

2 stops26h 35m

$1,359

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Mon 13/4

07:35-08:10

2 stops24h 35m

Sydney Kingsford Smith

Sun 19/4

18:20-20:55

2 stops26h 35m

$1,405

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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

What is the cheapest month to fly to Sydney?

The month of September is, on average, the cheapest month to fly to Sydney from Gladstone, with most prices found around $482. If you aren’t able to travel to Sydney during the month of September, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $512.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Monday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $571. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $762.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from Gladstone to Sydney in the afternoon for as low as $645. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $777 on average. Flights to Sydney from Gladstone in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

How have Gladstone to Sydney flight prices changed over time?

As of November 2025, prices for Gladstone to Sydney flights are approximately 55% 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

Direct flights

None
There are no direct flights from Gladstone to Sydney. There are no popular flight routes from Gladstone to Sydney.
Search flight deals

  • 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?

  • 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?

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 AustraliaPriceFrom $242Free cancellationRating
7.6
424 reviews
Search Virgin Australia flights
Qantas AirwaysPriceFrom $482Free cancellationRating
7.5
930 reviews
Search Qantas Airways flights

Travelling to a place near Sydney?

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

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.

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