Cheap flights from New Delhi to Sydney from ₹ 30,957

The month of September is, on average, the cheapest month to fly to Sydney from New Delhi, with most prices found around ₹ 76,130. If you aren’t able to travel during the month of September, then book flights to Sydney from New Delhi during August instead. Flights to Sydney in August, while not as cheap as those in September, still average around ₹ 76,223.

According to our data, Tuesday is the cheapest day to fly to Sydney from New Delhi. The lowest ticket price found for a Tuesday departure recently was ₹ 87,635. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from New Delhi to Sydney for around ₹ 98,420.

Fly from New Delhi Indira Gandhi Intl to Sydney Kingsford Smith for the best New Delhi Indira Gandhi Intl - Sydney Kingsford Smith flight prices

You are more likely to see cheaper flights to Sydney from New Delhi when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around ₹ 82,910 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from New Delhi for as low as ₹ 69,863 on momondo.

There are 3 cabin classes available to choose from on New Delhi Indira Gandhi Intl to Sydney Kingsford Smith flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of March 2026, prices for New Delhi to Sydney flights are approximately 10% more expensive when compared to flights at the same time last year.

Etihad Airways, Batik Air, and Air India are the most popular carriers operating from New Delhi Indira Gandhi Intl to Sydney Kingsford Smith

Air India, Singapore Airlines and AirAsia X are the top three most popular airlines that fly to Sydney from New Delhi according to our data. Air India is the first choice among our users, with 40% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 12 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

Historically, on average around 21% of flights between New Delhi and Sydney have experienced a delay on any given week. The average delay length over the past 12 months has been 132 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Air India have had the fewest delays on this route over the last 12 months, with about 21% of their flights experiencing any sort of delay.

Singapore (SIN) was the most common stop: 53% of momondo users choosing one-stop flights on this route connected there.

Flights via Ho Chi Minh City (SGN) offer the lowest average return price of ₹ 51,228.

Flights connecting via Singapore (SIN) have the shortest average one-way travel time: 16h 19m.

Hong Kong (HKG) has the shortest average stopover time for this route: 2h 31m.

5 flights are operational daily from New Delhi to Sydney as of March 2026. The most popular departure time for this route is 00:00, with 100% of flights per day taking off in the morning.

The number of flights available between New Delhi and Sydney is 35 per week as of March 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.