Delhi to Sydney at a glance
The lowest fare our scanner has seen from Delhi to Sydney in the last two weeks is ₹85,268 (return, 10 nights) for Sat 24 Oct, about 11% over the usual price.
Of the months we have prices for, October is the cheapest and December the dearest.
Nonstop flights take about 12h 45m on Air India.
Sydney has its best weather from March to April and October to November.
Nonstop: Air IndiaCommon stops: Guangzhou, Singapore, BangkokCheapest airlines lately: IndiGo, China Southern, Qantas, THAI
Month by month: fares, weather and what's on
The cheapest fare our scanner has seen in each month over the last two weeks (return, 10 nights), with Sydney's weather and the dates that move prices. The live calendar at the top prices any month and trip length on demand.
| Month | Cheapest fare seen | Weather | Season | What's on |
|---|---|---|---|---|
| October 2026Best weather | ₹85,268 return, 10 nights · Sat 24 Oct | 23° / 13°some rain, 73 mm | Shoulder | Dussehra |
| November 2026Best weather | ₹85,358 return, 10 nights · Sun 15 Nov | 24° / 16°some rain, 74 mm | Shoulder | Diwali |
| December 2026 | ₹1,04,188 return, 10 nights · Tue 29 Dec | 26° / 18°some rain, 60 mm | Peak | Christmas and New Year |
| January 2027 | ₹99,978 return, 10 nights · Wed 20 Jan | 27° / 20°rainy spells, 93 mm | Peak | Christmas and New YearRepublic Day weekend |
| February 2027 | Check live above | 26° / 19°rainy spells, 106 mm | Shoulder | Summer: 26-27°C and beach season. Christmas and the January school holidays are peak prices. |
| March 2027Best weather | Check live above | 25° / 18°rainy spells, 146 mm | Shoulder | HoliGood Friday weekendEaster |
| April 2027Best weather | Check live above | 23° / 15°some rain, 78 mm | Shoulder | Indian summer holidays |
| May 2027 | Check live above | 20° / 11°some rain, 74 mm | Off-season | Indian summer holidays |
| June 2027 | Check live above | 17° / 9°some rain, 74 mm | Off-season | Indian summer holidays |
| July 2027 | Check live above | 17° / 8°some rain, 73 mm | Shoulder | Student rush |
| August 2027 | Check live above | 18° / 9°some rain, 66 mm | Off-season | Student rush |
| September 2027 | Check live above | 21° / 11°some rain, 53 mm | Shoulder |
Dates to plan around
Festivals and holidays in Sydney, and the rushes that push up fares out of Delhi.
- 20 OctDussehraDussehra falls on Tuesday 20 Oct: many take the Monday off for a four-day weekend, so short trips abroad cost more that week.
- 6–10 NovDiwaliDiwali (Lakshmi Puja on Sunday 8 Nov): the busiest travel week of the autumn. Fares out of India rise, and short trips to Dubai, Bangkok and Singapore book up.
- 19 Dec – 3 JanChristmas and New YearThe priciest fortnight of the year to fly out of India: school holidays, Christmas and New Year all at once. Book early or go just before or after.
- 23–26 JanRepublic Day weekendRepublic Day falls on Tuesday 26 Jan: take the Monday off and it's a four-day weekend, so short trips abroad book up.
- 22–23 MarHoliHoli (22-23 Mar) and Good Friday (26 Mar) fall in the same week, a favourite week for short trips abroad, so fares rise.
- 26–28 MarGood Friday weekendGood Friday (26 Mar) makes a long weekend in India, just after Holi.
- 26–29 MarEasterGood Friday to Easter Monday: a long weekend across much of Europe and Australia, with Holy Week crowds in Rome; some shops and sights close on the day.
- 15 Apr – 15 Jun · expectedIndian summer holidaysSchool holidays (roughly mid-April to mid-June, varying by state): outbound family travel peaks and fares climb, especially to the Gulf, Southeast Asia and Europe.
- 20 Jul – 31 Aug · expectedStudent rushThousands of Indian students fly out for autumn intakes, so fares from India to the US, UK, Canada, Australia and Europe peak from late July through August.
- 27–31 OctDiwaliDiwali (Lakshmi Puja on Friday 29 Oct): the busiest travel week of the autumn. Fares out of India rise, and short trips abroad book up.
Good to know
What is the cheapest month to fly from Delhi to Sydney?
Of the months our scanner has priced, October 2026 is the cheapest: ₹85,268 (return, 10 nights) for Sat 24 Oct. Fares change daily; the live calendar at the top of this page prices every month on demand.
How long is the flight from Delhi to Sydney?
Nonstop flights take about 12h 45m. Airlines flying nonstop include Air India.
Which airlines fly from Delhi to Sydney?
Recently the cheapest fares were on IndiGo, China Southern, Qantas, THAI and Emirates.
When is the best time to visit Sydney?
The best weather in Sydney is from March to April and October to November. Peak season, with the most visitors and the highest hotel prices, is December to January. The quietest months are May to June and August.
How far ahead should I book Delhi to Sydney flights?
At least five weeks ahead. Recently, on Oceania and Africa routes, fares under 2 weeks before departure ran 15% above what the same flights cost five to seventeen weeks out.
When do fares out of Delhi go up?
Dussehra (20 Oct): Dussehra falls on Tuesday 20 Oct: many take the Monday off for a four-day weekend, so short trips abroad cost more that week. Diwali (6–10 Nov): Diwali (Lakshmi Puja on Sunday 8 Nov): the busiest travel week of the autumn. Fares out of India rise, and short trips to Dubai, Bangkok and Singapore book up. Christmas and New Year (19 Dec – 3 Jan): The priciest fortnight of the year to fly out of India: school holidays, Christmas and New Year all at once. Book early or go just before or after.