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Cheap flights from Gladstone to Sydney from $435

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/7. Fares are subject to change and may not be available on all flights or dates of travel.
GLT — SYD
14 Jul — 21 Jul1
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 14 June 2026.

Wed 22/717:35
GLT
-
SYD
1 stop4h 45m
Virgin Australia
Mon 27/708:00
SYD
-
GLT
1 stop3h 45m
Virgin Australia
Deal found 13/6$435
Wed 29/717:35
GLT
-
SYD
1 stop4h 45m
Multiple Airlines
Sun 2/806:00
SYD
-
GLT
1 stop4h 55m
Multiple Airlines
Deal found 10/6$471
Sat 5/906:35
GLT
-
SYD
1 stop5h 20m
Qantas Airways
Sun 6/915:15
SYD
-
GLT
1 stop4h 50m
Qantas Airways
Deal found 9/6$491
Sat 25/706:35
GLT
-
SYD
1 stop7h 15m
Qantas Airways
Sat 1/811:40
SYD
-
GLT
1 stop4h 50m
Qantas Airways
Deal found 10/6$498
Wed 22/707:40
GLT
-
SYD
1 stop11h 55m
Multiple Airlines
Mon 27/721:20
SYD
-
GLT
2 stops22h 45m
Multiple Airlines
Deal found 10/6$599
Sat 25/710:40
GLT
-
SYD
1 stop8h 55m
Multiple Airlines
Sat 1/822:00
SYD
-
GLT
2 stops19h 00m
Multiple Airlines
Deal found 10/6$678

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 14 June 2026.

Round-trip from

$435

Popular in

June

Cheapest in

February

Average price

$708
Virgin Australia
  • Virgin Australia
  • 22/7-27/7
  • 2 total stops
  • 8h 30m total
  • Gladstone to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($62 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
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 14 June 2026.
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 - SYD

GLTSYD

Gladstone

Wed 22/7

17:35-22:20

1 stop4h 45m

Sydney Kingsford Smith

Mon 27/7

08:00-11:45

1 stop3h 45m

$435

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Sat 25/7

06:35-13:50

1 stop7h 15m

Sydney Kingsford Smith

Sat 1/8

11:40-16:30

1 stop4h 50m

$498

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Sat 5/9

11:25-15:35

1 stop4h 10m

Sydney Kingsford Smith

Sun 6/9

15:15-20:05

1 stop4h 50m

$566

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Wed 22/7

17:35-22:20

1 stop4h 45m

Sydney Kingsford Smith

Mon 27/7

22:00-17:00

2 stops19h 00m

$667

GladstoneSydney

GLT - SYD

GLTSYD

Gladstone

Sat 25/7

17:05-07:30

2 stops14h 25m

Sydney Kingsford Smith

Sat 1/8

06:00-16:30

2 stops10h 30m

$940

Flights are sorted by cheapest return flights first.

Deals found on 13/6

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
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, February is the cheapest month in which you can book a flight from Gladstone to Sydney (average of $329). Flying from Gladstone to Sydney in June is currently the most expensive (average of $708). 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?

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 14 June 2026.
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
462 reviews
Check prices

Boarding

7.7

Food

6.4

Comfort

7.5

Crew

8.2

Entertainment

6.4

Overall

7.6

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
462 reviews
Virgin Australia
7.6
Good
462 reviews
Check prices

Boarding

7.7

Food

6.4

Comfort

7.5

Crew

8.2

Entertainment

6.4

Overall

7.6

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
1,046 reviews
Virgin Australia
7.6
Good
462 reviews
Check prices

Boarding

7.7

Food

6.4

Comfort

7.5

Crew

8.2

Entertainment

6.4

Overall

7.6

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

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 and Qantas Airways can get you from Gladstone to Sydney in just under 4h 45m. Your travel time can differ by up to 2h 30m. 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 $211 on this airline. An additional option worth looking into is Qantas Airways, starting at $263. Virgin Australia is 62% 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, February is the cheapest month in which you can book a flight from Gladstone to Sydney (average of $329). Flying from Gladstone to Sydney in June is currently the most expensive (average of $708). 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
Katoomba
Cronulla
Manly
Terrigal
Lithgow
Randwick
Bondi Beach
Leura
Coogee

Browse thousands of different options on Cheapflights for your next trip

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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 14 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AustraliaCheapest$211Average$499FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Qantas AirwaysCheapest$263Average$641FlexibilityNo 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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