Cheap flights from Gladstone to Sydney

1 adult
Tue 26/10
Tue 2/11

The best prices from Gladstone to Sydney Kingsford Smith are usually found in April or May, booked 60 days in advance, depart on a Monday or Thursday and return on a Tuesday

How to find the cheapest flight from Gladstone to Sydney

All the information you need to plan the best GLT to SYD flight in 2021: compare Gladstone to Sydney flight prices with the expected peak season, weather and rainfall in Sydney.



$236 - $331



11 - 22 °C



50 - 130 mm

Popular in


High demand for flights, 12% potential price rise

Cheapest in


Best time to find cheap flights, 19% potential price drop

Average price


Average for round-trip flights in October 2021

Round-trip from


From Gladstone to Sydney Kingsford Smith

What is the cheapest day to fly return from Gladstone to Sydney?

Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 11% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Gladstone to Sydney?

To save on the cost of your flight from Gladstone to Sydney, book at least 60 days before your planned departure. Booking around this time can save you about 22% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $405 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $432.

What is the cheapest month to fly from Gladstone to Sydney?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, April can be a great choice for travel to Sydney. Flights to Sydney from Gladstone in April are about $386 on average during April, but can be found for as low as $280.

When is the cheapest time to fly from Gladstone to Sydney (GLT - SYD)?

It’s typically best to fly out from Gladstone to Sydney at midday. Doing so could potentially save you 32% on the flight price compared to flying in the afternoon, which is usually more expensive.

Related info for your journey

Useful info, stats and facts about Gladstone to Sydney flights.

Which airlines flying from Gladstone to Sydney Kingsford Smith have flexible cancellations due to COVID-19?

Virgin Australia and Qantas Airways are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

How popular is this Gladstone to Sydney flight route?

Within the past month, 286 users have taken a look at flights from Gladstone to Sydney Kingsford Smith.

What are the cheapest flights from Gladstone to Sydney?

On average you can expect to pay $308 for a flight from Gladstone to Sydney. The cheapest flight overall is $146 while the most popular route, (Gladstone - Sydney Kingsford Smith) is currently priced at $453.

Alternative routes for Gladstone to Sydney

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Gladstone to Sydney

The chart below displays the airlines Cheapflights users travelling from Gladstone to Sydney choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Qantas Airways
FlexibilityNo cancel fee
COVID-19 safety
Virgin Australia
FlexibilityNo cancel fee
COVID-19 safety