$286 Cheap Flights from Delhi (DEL) to Sydney (SYD)

Popular airlines from Indira Gandhi International Airport (DEL) to Sydney Airport (SYD)

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Find available prices by choosing your travel dates.

Cheap Flights from Delhi to Sydney (DEL-SYD)

Prices were available within the past 7 days and start at $286 for one-way flights and $763 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
APG Distribution System
Cathay Pacific
Malaysia Airlines
Vietjet Air
SriLankan Airlines
Air India
Qantas Airways
Thai Airways International
Qatar Airways
Flights from Delhi (DEL) to Sydney (SYD)
Origin airport
Indira Gandhi Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
APG Distribution System, Air India, All Nippon Airways, Batik air , Cathay Pacific, Emirates, Etihad Airways, Japan Airlines, Malaysia Airlines, Oman Air, Qantas Airways, Qatar Airways, Singapore Airlines, SriLankan Airlines, Thai Airways International, Vietjet Air, Vietnam Airlines
Roundtrip price
$762
Distance
6483 mi

Delhi to Sydney Flights

The cheapest times to fly from Delhi 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 Delhi to Sydney are during the month of May. You can find some of the cheapest flights from Delhi to Sydney with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Delhi to Sydney

Sunday is one of the best days to book for cheap flights from Delhi 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 Delhi 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 Delhi to Sydney in 2025. You can also book with separate airlines for your outbound and return journeys, from $286 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 Delhi 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 Delhi 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

How much does a flight from Indira Gandhi Intl. Airport (DEL) to Kingsford Smith Intl. Airport (SYD) cost?
You can land cheap return tickets from Indira Gandhi Intl. Airport (DEL) to Kingsford Smith Intl. Airport (SYD) starting from $855. Book a seat and be on your way. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Air India flight leaving DEL on May 20 2025 and touching down at SYD. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from DEL to SYD?
The cheapest flights from DEL to SYD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Indira Gandhi Intl. Airport (DEL) to Kingsford Smith Intl. Airport (SYD)?
Catch a nonstop flight with Air India and fly straight from Indira Gandhi Intl. Airport (DEL) to Kingsford Smith Intl. Airport (SYD).
What is the cheapest airline that flies from DEL to SYD?
Journey from DEL to SYD with Air India. This carrier currently has the cheapest one-way fare on this route, starting at $497. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DEL on May 15 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Indira Gandhi Intl. Airport (DEL) to Kingsford Smith Intl. Airport (SYD)?
On average, just 1 direct flight departs daily from Indira Gandhi Intl. Airport (DEL) to Kingsford Smith Intl. Airport (SYD). Need other options? Use Expedia’s filter tool to find flights with layovers and squeeze in a visit to another city along the way.
What are the most popular departure times for flights from Indira Gandhi Intl. Airport (DEL) to Kingsford Smith Intl. Airport (SYD)?
The 12 AM departures from DEL to SYD are the top choice for many travelers. Prices can be higher for these popular slots. If you’re hoping to save money, choose a less crowded time to fly.
What day of the week has the most flights from DEL to SYD?
If you jet off on a Monday, you’ll get the biggest range of choices for flights from Indira Gandhi Intl. Airport (DEL) to Kingsford Smith Intl. Airport (SYD).
What is the earliest flight from Indira Gandhi Intl. Airport (DEL) to Kingsford Smith Intl. Airport (SYD)?
Hop on the earliest flight at around 12:55AM UTC+5, departing from Indira Gandhi Intl. Airport (DEL). You’ll be in the air for approximately 12h 35m, landing at Kingsford Smith Intl. Airport (SYD) at approximately 7:00PM UTC+11.
How long does it take to fly from Indira Gandhi Intl. Airport (DEL) to Kingsford Smith Intl. Airport (SYD)?
The average flight duration from DEL to SYD is 12 hours and 35 minutes, covering a total distance of 6,500 mi.
What is the best time to fly from Indira Gandhi Intl. Airport (DEL) to Kingsford Smith Intl. Airport (SYD)?
To avoid possible delays on the Indira Gandhi Intl. Airport (DEL) to Kingsford Smith Intl. Airport (SYD) route, aim to fly before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Sydney from Indira Gandhi Intl. Airport (DEL)?
If you’re traveling on a direct flight from Indira Gandhi Intl. Airport (DEL) to Sydney, Kingsford Smith Intl. Airport (SYD) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Indira Gandhi Intl. Airport (DEL) to Kingsford Smith Intl. Airport (SYD) last-minute?
Waiting until right before your break to book your flight from DEL to SYD generally means paying more. While you might find some last-minute offers, they’re not always guaranteed. Keep your travel schedule open to boost your chances of landing a bargain.
Is it cheaper to book a DEL to SYD flight and hotel package?
Securing a DEL to SYD flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our wide range of stays and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Indira Gandhi Intl. Airport (DEL) to Kingsford Smith Intl. Airport (SYD)?
Generally, it’s possible to cancel or reschedule your DEL to SYD flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find more details on our Customer Service portal.

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