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Cheap flights from Indianapolis to Sydney from $684

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SYD
28 Mar — 4 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Indianapolis to Sydney Kingsford Smith are usually found in October or August, booked 9 days in advance, depart on a Tuesday or Monday and return on a Monday

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 26 February 2026.

Mon 11/510:20
IND
-
SYD
2 stops31h 00m
Air Canada
Fri 22/509:20
SYD
-
IND
2 stops49h 14m
Air Canada
Deal found 23/2$1,354
Mon 20/415:38
IND
-
SYD
2 stops25h 42m
Air Canada
Thu 30/409:20
SYD
-
IND
2 stops24h 48m
Air Canada
Deal found 24/2$1,437
Thu 30/413:55
IND
-
SYD
2 stops27h 25m
Multiple Airlines
Wed 6/509:20
SYD
-
IND
2 stops44h 19m
Multiple Airlines
Deal found 25/2$1,460
Sun 7/606:00
IND
-
SYD
2 stops35h 20m
Air Canada
Tue 21/709:20
SYD
-
IND
2 stops39h 08m
Air Canada
Deal found 22/2$1,506
Sat 6/610:20
IND
-
SYD
2 stops55h 00m
Air Canada
Tue 21/709:20
SYD
-
IND
2 stops38h 08m
Air Canada
Deal found 22/2$1,512
Thu 23/412:47
IND
-
SYD
2 stops28h 33m
Multiple Airlines
Fri 1/509:20
SYD
-
IND
2 stops49h 14m
Multiple Airlines
Deal found 25/2$1,518
Thu 9/415:38
IND
-
SYD
2 stops25h 42m
Multiple Airlines
Thu 16/409:20
SYD
-
IND
2 stops23h 33m
Multiple Airlines
Deal found 23/2$1,519
Thu 23/416:05
IND
-
SYD
2 stops27h 15m
Qantas Airways
Fri 1/512:00
SYD
-
IND
1 stop23h 12m
Qantas Airways
Deal found 24/2$1,532
Sun 7/613:35
IND
-
SYD
2 stops27h 45m
Air Canada
Mon 20/709:20
SYD
-
IND
2 stops44h 24m
Air Canada
Deal found 22/2$1,537
Sat 6/610:20
IND
-
SYD
2 stops55h 00m
Air Canada
Mon 20/709:20
SYD
-
IND
2 stops44h 24m
Air Canada
Deal found 22/2$1,542
Thu 30/416:05
IND
-
SYD
2 stops29h 50m
Qantas Airways
Wed 6/512:00
SYD
-
IND
1 stop20h 05m
Qantas Airways
Deal found 25/2$1,543

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 26 February 2026.

Round-trip from

$1,354

One-way from

$684

Popular in

January

Cheapest in

October

Average price

$1,785
Air Canada
  • Air Canada
  • 11/5-22/5
  • 4 total stops
  • 80h 14m total
  • Indianapolis to Sydney
Search Deals
Air Canada
  • Air Canada
  • 7/5
  • 2 total stops
  • 31h 00m total
  • Indianapolis to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($261 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($54 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 26 February 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

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Tue 9/6

07:00-06:55

2 stops33h 55m

Sydney Kingsford Smith

Tue 21/7

10:20-18:57

1 stop22h 37m

$1,635

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Tue 9/6

16:15-07:05

1 stop24h 50m

Sydney Kingsford Smith

Tue 21/7

06:25-17:48

2 stops25h 23m

$1,639

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Tue 9/6

16:32-06:50

2 stops24h 18m

Sydney Kingsford Smith

Tue 21/7

09:15-21:07

2 stops25h 52m

$1,747

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Sun 8/3

17:37-09:50

2 stops25h 13m

Sydney Kingsford Smith

Wed 11/3

10:05-22:10

2 stops27h 05m

$1,811

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Fri 13/3

17:05-08:05

2 stops24h 00m

Sydney Kingsford Smith

Sun 22/3

14:00-23:26

2 stops24h 26m

$1,875

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Thu 9/4

09:20-06:55

1 stop31h 35m

Sydney Kingsford Smith

Thu 16/4

10:20-18:11

1 stop21h 51m

$2,056

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Sun 8/3

09:00-07:00

1 stop31h 00m

Sydney Kingsford Smith

Wed 11/3

11:50-23:30

1 stop26h 40m

$2,057

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Thu 23/4

17:10-08:45

2 stops25h 35m

Sydney Kingsford Smith

Fri 1/5

09:55-00:55

3 stops29h 00m

$2,063

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Tue 5/5

10:20-07:20

1 stop31h 00m

$701

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Thu 5/3

09:28-22:05

3 stops44h 37m

$772

Flights are sorted by cheapest return flights first.

Deals found on 25/2

Showing 1-10 of 18 resultsSorted by cheapest first
1
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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 20 February 2026.

Booking 9 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, October is the cheapest month in which you can book a flight from Indianapolis to Sydney (average of $532). Flying from Indianapolis to Sydney in January is currently the most expensive (average of $1,547). 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 $1,747, United Airlines can have you in Sydney from Indianapolis in 24h 18m. 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, October is the cheapest month in which you can book a flight from Indianapolis to Sydney (average of $532). Flying from Indianapolis to Sydney in January is currently the most expensive (average of $1,547). 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
Manly
Terrigal
Lithgow
Bondi Beach
Leura
Coogee
Cronulla
Randwick

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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