Cheap flights from New Delhi to Sydney from $393

In general, August is the cheapest month to fly from New Delhi to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $819. If you are unable to visit Sydney during the month of August, then departing from New Delhi during the month September is also very affordable. Most momondo users find prices during this month for around $821.

The cheapest day to depart from New Delhi to Sydney is on a Friday when prices can be found for as low as $812. The most expensive day to fly to Sydney is Wednesday, with ticket prices averaging around $1,095.

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 $896 when searching weeks out. 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 $772 on momondo.

You could potentially save up to 48% on your flight if you consider stops on a New Delhi to Sydney flight.

VietJet Air, AirAsia X, and Qantas Airways are the most popular carriers operating from New Delhi Indira Gandhi Intl to Sydney Kingsford Smith

Air India, Thai Airways and Singapore Airlines 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 44% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 4 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 at night have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, Air India have had the least number of 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: 85% of momondo users choosing 1-stop flights on this route connected there.

Flights via Singapore (SIN) offer the lowest average round-trip price of $1,913.

Flights connecting via Colombo (CMB) have the shortest average one-way travel time: 15h 40m.

Colombo (CMB) has the shortest average layover time for this route: 1h 53m.

The number of flights available between New Delhi and Sydney is 5 per day as of April 2026. The most frequent departure time is 1:00AM, with 100% of daily flights leaving in the morning.

As of April 2026, there are 35 flights per week flying from New Delhi to Sydney. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.