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Cheap flights from New Delhi to Sydney from £250

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEL — SYD
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from New Delhi Indira Gandhi Intl to Sydney Kingsford Smith are usually found in August or June, booked 53 days in advance, depart on a Thursday or Tuesday and return on a Wednesday

Cheap flight deals from New Delhi to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from New Delhi (DEL) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 September 2025.

Round-trip from

£507

One-way from

£250

Popular in

January

Cheapest in

August

Average price

£610
Malaysia Airlines
  • Malaysia Airlines
  • 12/3-5/6
  • 2 total stops
  • 33h 25m total
  • New Delhi to Sydney
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AirAsia X
  • AirAsia X
  • 31/10
  • 1 total stop
  • 28h 15m total
  • New Delhi to Sydney
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£92 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from New Delhi to Sydney

Cheapest flights from New Delhi to Sydney
Explore the most affordable flight options available from New Delhi to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Thu 30/1018:05DEL - SYD
2 stops19h 15mMultiple Airlines
Thu 6/1122:15SYD - DEL
1 stop19h 35mMultiple Airlines
Deal found 15/9£521
Sat 20/1218:55DEL - SYD
2 stops20h 10mMultiple Airlines
Tue 3/211:15SYD - DEL
1 stop16h 20mMultiple Airlines
Deal found 17/9£522
Mon 15/1223:30DEL - SYD
1 stop15h 35mMultiple Airlines
Sun 15/220:45SYD - DEL
Nonstop13h 00mMultiple Airlines
Deal found 17/9£523
Tue 11/1109:45DEL - SYD
1 stop21h 50mSingapore Airlines
Sat 7/214:20SYD - DEL
1 stop20h 50mSingapore Airlines
Deal found 17/9£525
Thu 16/1006:20DEL - SYD
2 stops21h 00mMultiple Airlines
Thu 23/1020:30SYD - DEL
Nonstop12h 55mMultiple Airlines
Deal found 16/9£526
Mon 15/1223:30DEL - SYD
1 stop15h 35mMultiple Airlines
Sun 1/220:45SYD - DEL
Nonstop13h 00mMultiple Airlines
Deal found 17/9£528
Tue 25/1118:05DEL - SYD
2 stops19h 15mMultiple Airlines
Wed 7/121:50SYD - DEL
1 stop20h 00mMultiple Airlines
Deal found 15/9£545
Fri 14/1101:30DEL - SYD
1 stop37h 50mCathay Pacific
Mon 19/122:20SYD - DEL
1 stop28h 45mCathay Pacific
Deal found 15/9£552
Sun 16/1101:30DEL - SYD
1 stop37h 50mCathay Pacific
Fri 13/208:45SYD - DEL
1 stop20h 55mCathay Pacific
Deal found 16/9£552
Mon 27/1001:30DEL - SYD
1 stop24h 15mCathay Pacific
Wed 19/1115:15SYD - DEL
1 stop35h 50mCathay Pacific
Deal found 17/9£553
Thu 30/1013:20DEL - SYD
1 stop15h 30mMalaysia Airlines
Thu 6/1112:10SYD - DEL
1 stop15h 10mMalaysia Airlines
Deal found 15/9£564

Cheapflights Fare Finder

 
Customise your flight search to find flights from New Delhi to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 September 2025.
Use the filters below to find and compare flights from New Delhi to Sydney that are best for you.

Fly from

New Delhi

Fly to

Sydney

Route

Depart

Return

Price

New DelhiSydney

DEL - SYD

DELSYD

New Delhi Indira Gandhi Intl

Tue 28/10

22:45-12:00

1 stop31h 45m

Sydney Kingsford Smith

Wed 19/11

15:15-21:35

1 stop35h 50m

£553

New DelhiSydney

DEL - SYD

DELSYD

New Delhi Indira Gandhi Intl

Sat 28/2

04:25-06:35

1 stop20h 40m

Sydney Kingsford Smith

Sat 21/3

21:30-19:20

1 stop27h 20m

£568

New DelhiSydney

DEL - SYD

DELSYD

New Delhi Indira Gandhi Intl

Sun 15/3

00:05-08:05

1 stop26h 30m

Sydney Kingsford Smith

Fri 27/3

11:15-22:50

2 stops41h 05m

£574

New DelhiSydney

DEL - SYD

DELSYD

New Delhi Indira Gandhi Intl

Tue 9/12

04:25-17:55

1 stop32h 00m

Sydney Kingsford Smith

Wed 17/12

16:35-14:10

1 stop27h 05m

£577

New DelhiSydney

DEL - SYD

DELSYD

New Delhi Indira Gandhi Intl

Sat 15/11

01:30-20:50

1 stop37h 50m

Sydney Kingsford Smith

Thu 20/11

15:15-21:35

1 stop35h 50m

£639

New DelhiSydney

DEL - SYD

DELSYD

New Delhi Indira Gandhi Intl

Tue 28/10

01:30-12:00

1 stop29h 00m

Sydney Kingsford Smith

Wed 26/11

15:15-21:35

1 stop35h 50m

£692

New DelhiSydney

DEL - SYD

DELSYD

New Delhi Indira Gandhi Intl

Mon 17/11

09:45-08:40

2 stops17h 25m

Sydney Kingsford Smith

Fri 13/2

09:05-20:00

1 stop16h 25m

£723

New DelhiSydney

DEL - SYD

DELSYD

New Delhi Indira Gandhi Intl

Fri 17/10

13:15-20:35

1 stop25h 50m

Sydney Kingsford Smith

Wed 29/10

19:45-12:20

2 stops22h 05m

£755

New DelhiSydney

DEL - SYD

DELSYD

New Delhi Indira Gandhi Intl

Mon 8/12

01:30-11:25

2 stops28h 25m

Sydney Kingsford Smith

Wed 24/12

14:10-00:25

2 stops39h 45m

£757

New DelhiSydney

DEL - SYD

DELSYD

New Delhi Indira Gandhi Intl

Fri 5/12

22:45-08:05

2 stops51h 50m

Sydney Kingsford Smith

Wed 24/12

14:10-00:25

2 stops39h 45m

£761

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 21 results
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Best time to book a flight from New Delhi to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from New Delhi with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from New Delhi to Sydney

How far ahead should I book a flight from New Delhi to Sydney?

Use this chart to determine the optimal time to book a return flight from New Delhi to Sydney. Price data was last updated on 12 September 2025.

The best time to book flights from New Delhi to Sydney is 53 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from New Delhi to Sydney?

Currently, May is the cheapest month in which you can book a flight from New Delhi to Sydney (average of £985). Flying from New Delhi to Sydney in July is currently the most expensive (average of £1,726). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEL to SYD?

Find hourly flight availability from New Delhi to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 September 2025.

It’s optimal to fly from New Delhi to Sydney in the morning. By choosing this option you can save up to 52% on the cost of your flight, compared to a flight at midday.

How much does it cost for a return flight from New Delhi to Sydney?

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 18 September 2025.
Read through reviews of airlines operating flights from New Delhi to Sydney, such as Singapore Airlines and Air India. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,367 reviews
Check prices

Comfort

8.0

Crew

8.6

Food

7.7

Overall

8.1

Entertainment

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Singapore Airlines
8.1
Very Good
1,367 reviews
Singapore Airlines
8.1
Very Good
1,367 reviews
Check prices

Comfort

8.0

Crew

8.6

Food

7.7

Overall

8.1

Entertainment

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Air India
5.5
Fair
2,932 reviews
Singapore Airlines
8.1
Very Good
1,367 reviews
Check prices

Comfort

8.0

Crew

8.6

Food

7.7

Overall

8.1

Entertainment

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Related info for your journey

Find useful and relevant information for your journey from New Delhi to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from New Delhi to Sydney?

    If you book a flight from New Delhi to Sydney, you will be flying from Indira Gandhi Intl to Kingsford Smith. Flights to Sydney Kingsford Smith (SYD) from New Delhi Indira Gandhi Intl (DEL) take 32h 55m for a nonstop flight. There are 3 flights from Indira Gandhi Intl to Sydney per day from 2 airlines.

  • How popular is this New Delhi to Sydney flight route?

    This flight path from New Delhi Indira Gandhi Intl to Sydney Kingsford Smith was viewed by 18 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from New Delhi to Sydney?

    Cathay Pacific, Etihad Airways, and VietJet Air can get you from New Delhi to Sydney in just under 20h 40m. Your travel time can differ by up to 11h 05m. New Delhi and Sydney are separated by a distance of 6479 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from New Delhi to Sydney round-trip?

    According to our current data, Singapore Airlines (£520), and Air India (£556) offers the cheapest pricing from New Delhi to Sydney. These flights start at 23% lower than the current average price 3 months from now.

  • What are the most reliable airlines from New Delhi to Sydney?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from New Delhi to Sydney on time: Air India (65%), Air New Zealand (65%), SWISS (65%).

  • Can I find deals for flights from New Delhi to Sydney that include hotel bookings?

    Yes. In addition to deals on New Delhi to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from New Delhi to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Delhi to Sydney.

  • Can I find deals for business class flights from New Delhi to Sydney?

    Yes. Cheapflights offers flight deals from New Delhi to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from New Delhi to Sydney?

    Currently, May is the cheapest month in which you can book a flight from New Delhi to Sydney (average of £985). Flying from New Delhi to Sydney in July is currently the most expensive (average of £1,726). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Coogee
Manly

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from New Delhi to Sydney

Discover the top 2 airlines that operate flights from New Delhi to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest£520Average£609FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Air IndiaCheapest£556Average£740FlexibilityNo cancel feeOn-timeN/A
Search Air India flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from New Delhi to Sydney?

Cheapflights helps you search for flights from New Delhi to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from New Delhi to Sydney?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from New Delhi to Sydney for you. Better yet — we are completely free to use.

Can Cheapflights find flights from New Delhi to Sydney with no change fees?

Certainly. Search results for flights to Sydney from New Delhi shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from New Delhi to Sydney become cheaper?

Not ready to book yet? You can track prices for flights from New Delhi to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

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