Popular airlines from Gladstone, QLD (GLT) to Sydney Airport (SYD)
Qantas AirwaysQantas Airways
Virgin AustraliaVirgin Australia
- Plan, book, fly with confidence
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Cheap Flights from Gladstone to Sydney (GLT-SYD)
Prices were available within the past 7 days and start at $154 for one-way flights and $306 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Origin airport | Gladstone |
Destination airport | Kingsford Smith Intl. |
Airlines serving | Qantas Airways, Virgin Australia |
Roundtrip price | $306 |
Distance | 695 mi |
Gladstone to Sydney Flights
The cheapest times to fly from Gladstone to Sydney
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Gladstone to Sydney are during the month of July. You can find some of the cheapest flights from Gladstone to Sydney with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Gladstone to Sydney
Sunday is one of the best days to book for cheap flights from Gladstone to Sydney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Gladstone to Sydney
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Gladstone to Sydney in 2025. You can also book with separate airlines for your outbound and return journeys, from $154 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Gladstone to Sydney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Gladstone to Sydney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Frequently asked questions
Explore a world of travel with Expedia
Flights
- Qantas Airways Seattle (SEA) to Sydney (SYD) flights
- Qantas Airways New York (JFK) to Sydney (SYD) flights
- Qantas Airways Los Angeles (LAX) to Sydney (SYD) flights
- Qantas Airways Dallas (DFW) to Sydney (SYD) flights
- Qantas Airways Chicago (ORD) to Sydney (SYD) flights
- Flights from Sydney (SYD) to San Francisco (SFO)
- Flights from Sydney (SYD) to Melbourne (MEL)
- Flights from Sydney (SYD) to Cairns (CNS)
- Flights from Los Angeles (LAX) to Brisbane (BNE)
- Flights from Gladstone (GLT) to Brisbane (BNE)
- Flights from Phoenix (PHX) to Sydney (SYD)
- Flights from Washington (IAD) to Sydney (SYD)
- Flights from Dallas (DFW) to Sydney (SYD)
- Flights from Lahore (LHE) to Sydney (SYD)
- Flights from Boston (BOS) to Sydney (SYD)
- Flights from Seattle (SEA) to Sydney (SYD)
- Flights from Detroit (DTW) to Sydney (SYD)
- Flights from Atlanta (ATL) to Sydney (SYD)
- Flights from Houston (IAH) to Sydney (SYD)
- Flights from New York (LGA) to Sydney (SYD)
- Flights from Honolulu (HNL) to Sydney (SYD)
- Flights from Portland (PDX) to Sydney (SYD)
- Flights from Dhaka (DAC) to Sydney (SYD)
- Flights from Manila (MNL) to Sydney (SYD)
- Flights from Chicago (ORD) to Sydney (SYD)
- Flights from Guam (GUM) to Sydney (SYD)
- Flights from Nadi (NAN) to Sydney (SYD)
- Flights from Nairobi (NBO) to Sydney (SYD)
- Flights from Seoul (ICN) to Sydney (SYD)
- Flights from Miami (MIA) to Sydney (SYD)
- Flights from New York (JFK) to Sydney (SYD)
- Flights from Washington (DCA) to Sydney (SYD)
- Flights from Melbourne (MEL) to Sydney (SYD)
- Flights from Los Angeles (LAX) to Sydney (SYD)
- Flights from Newark Liberty Intl. Airport (EWR) to Sydney (SYD)
- Flights from Denver (DEN) to Sydney (SYD)
- Flights from Kathmandu (KTM) to Sydney (SYD)
- Flights from San Francisco (SFO) to Sydney (SYD)
- Flights from Auckland (AKL) to Sydney (SYD)
- Flights from Sydney (SYD) to Auckland (AKL)
- Flights from Sydney (SYD) to Los Angeles (LAX)
- Qatar Airways
- Virgin Australia
- Qantas Airways
- Flights to Busselton
- Flights to Melbourne
- Flights to Geelong
- Flights to Nelson Bay
- Flights to Wollongong
- Flights to Coffs Harbour
- Flights to Adelaide
- Flights to Sydney
- Flights to Newcastle
- Flights to Cairns
- Flights to Margaret River
- Flights to Byron Bay
- Flights to Sunshine Coast
- Flights to Perth
- Flights to Canberra
- Flights to Brisbane
- Flights to Hobart
- Flights to Gold Coast
- Flights to Port Macquarie
- Flights to Port Douglas
- Flights from Hervey Bay
- Flights from Emerald
- Flights from Bundaberg