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Cheap flights from Indianapolis to Sydney from $693

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SYD
17 May — 24 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Indianapolis to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Indianapolis to Sydney
Explore the most affordable flight options available from Indianapolis to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2026.

Sat 17/1016:24
IND
-
SYD
1 stop24h 41m
Qantas Airways
Sat 31/1017:50
SYD
-
IND
2 stops36h 16m
Qantas Airways
Deal found 16/4$1,595
Tue 22/910:20
IND
-
SYD
2 stops31h 00m
Air Canada
Sun 11/1010:20
SYD
-
IND
2 stops25h 16m
Air Canada
Deal found 13/4$1,726
Thu 21/510:20
IND
-
SYD
2 stops31h 00m
Air Canada
Sun 31/509:20
SYD
-
IND
2 stops44h 19m
Air Canada
Deal found 14/4$1,727
Sun 1/1118:45
IND
-
SYD
1 stop46h 50m
Multiple Airlines
Sun 8/1111:20
SYD
-
IND
1 stop46h 45m
Multiple Airlines
Deal found 14/4$1,782
Thu 23/416:58
IND
-
SYD
1 stop23h 52m
Delta
Fri 1/509:15
SYD
-
IND
1 stop20h 17m
Delta
Deal found 14/4$1,793
Tue 26/517:16
IND
-
SYD
1 stop23h 49m
Qantas Airways
Sun 26/709:10
SYD
-
IND
1 stop22h 40m
Qantas Airways
Deal found 14/4$1,832
Mon 8/616:15
IND
-
SYD
1 stop25h 15m
Qantas Airways
Mon 22/609:10
SYD
-
IND
1 stop22h 35m
Qantas Airways
Deal found 13/4$1,835

Find flight deals from Indianapolis to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Indianapolis (IND) 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 17 April 2026.

Round-trip from

$1,726

One-way from

$693

Popular in

January

Cheapest in

August

Average price

$1,996
Air Canada
  • Air Canada
  • 22/9-11/10
  • 4 total stops
  • 56h 16m total
  • Indianapolis to Sydney
Search Deals
Air Canada
  • Air Canada
  • 8/6
  • 2 total stops
  • 31h 00m total
  • Indianapolis to Sydney
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($250 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($56 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Indianapolis 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 647,157 searches. Data last updated 17 April 2026.
Use the filters below to find and compare flights from Indianapolis to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Fri 22/5

17:12-06:50

1 stop23h 38m

Sydney Kingsford Smith

Fri 29/5

09:15-22:07

2 stops26h 52m

$1,800

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Sat 30/5

07:02-06:50

2 stops33h 48m

Sydney Kingsford Smith

Sat 6/6

09:15-23:12

2 stops27h 57m

$1,800

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Fri 7/8

07:00-06:55

2 stops33h 55m

Sydney Kingsford Smith

Wed 26/8

10:20-15:39

1 stop19h 19m

$1,885

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Sat 13/6

15:37-07:00

2 stops49h 23m

Sydney Kingsford Smith

Sun 21/6

10:20-09:28

2 stops37h 08m

$1,937

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Mon 11/5

14:10-06:50

2 stops26h 40m

Sydney Kingsford Smith

Fri 22/5

09:15-21:14

2 stops25h 59m

$1,956

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Tue 22/9

07:00-06:55

2 stops33h 55m

Sydney Kingsford Smith

Sun 11/10

11:20-21:39

1 stop25h 19m

$1,976
Fastest return journey

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Wed 20/5

17:10-07:00

2 stops23h 50m

Sydney Kingsford Smith

Tue 26/5

10:20-17:44

2 stops21h 24m

$1,981

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Tue 19/5

15:40-06:55

2 stops25h 15m

Sydney Kingsford Smith

Sun 24/5

10:20-17:44

2 stops21h 24m

$1,981

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Mon 7/9

08:00-06:50

2 stops32h 50m

Sydney Kingsford Smith

Wed 23/9

09:15-16:44

1 stop21h 29m

$2,040
Cheapest one-way

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Mon 24/8

16:25-07:20

2 stops48h 55m

$719

Flights are sorted by cheapest return flights first.

Deals found on 14/4

Showing 1-10 of 15 resultsSorted by cheapest first
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Best time to book a flight from Indianapolis to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Indianapolis 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 Indianapolis to Sydney

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

Use this chart to determine the optimal time to book a return flight from Indianapolis to Sydney. Price data was last updated on 10 April 2026.

Booking 51 days in advance of your planned departure date is, on average, the best time to get cheap flights from Indianapolis to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Indianapolis to Sydney (average of $1,566). Flying from Indianapolis to Sydney in January is currently the most expensive (average of $2,277). 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.

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

Related info for your journey

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

  • How long is the flight from Indianapolis to Sydney?

    For as low as $1,793, Delta can have you in Sydney from Indianapolis in 23h 38m. The distance between Indianapolis and Sydney is about 14936 km. Both multi-stop and direct flights can be found to your destination and back.

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

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

  • How can I find direct flights from Indianapolis to Sydney?

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

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

    Yes. Cheapflights offers flight deals from Indianapolis 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 Indianapolis to Sydney?

    Currently, August is the cheapest month in which you can book a flight from Indianapolis to Sydney (average of $1,566). Flying from Indianapolis to Sydney in January is currently the most expensive (average of $2,277). 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
Parramatta
Wollongong
Penrith
Katoomba
Terrigal
Lithgow
Cronulla
Manly
Bondi Beach
Leura
Randwick
Coogee

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Indianapolis to Sydney

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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 Indianapolis to Sydney?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Indianapolis to Sydney. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Sydney from Indianapolis.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Indianapolis to Sydney, users can toggle the no change fees filter when performing a flight search.

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

Of course! You can now track prices for flights from Indianapolis to Sydney and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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