Cheap flights from New Delhi to Sydney from £313

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 £612. If you don’t want to visit Sydney in August, then you should wait until September to fly from New Delhi, when ticket prices are also cheap, with an average price of £618.

The cheapest day to depart on your flight to Sydney is on a Wednesday when prices can be found for as low as £811. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from New Delhi because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £820.

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 £675 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 £567 on momondo.

There are 2 cabin classes available to choose from on New Delhi to Sydney flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 71% on your flight if you consider stops on a New Delhi to Sydney flight.

Historically, on average around 19% 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 135 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.

Tuesday is statistically the day of the week that experiences the fewest 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 fewest delays on this route over the last 12 months, with about 19% of their flights experiencing any sort of delay.

2 flights are operational daily from New Delhi to Sydney as of June 2026. The most popular departure time for this route is 01:00, with 100% of flights per day taking off in the morning.

20 flights are operational weekly from New Delhi to Sydney as of June 2026. The most popular departure day for this route is Tue, with 25% of flights per week taking off on this day.