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$463+ Cheap flights from Indiana to Sydney (SYD)

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SYD
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
1 adult, Economy
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Find flight deals from Indiana to Sydney

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

This CrystalTravel deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:23 pmORD - SYD
1 stop21h 37mQantas Airways
Sat 12/67:05 amSYD - ORD
2 stops26h 49mQantas Airways
Deal found 11/16$900
This oojo deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:23 pmORD - SYD
1 stop21h 37mQantas Airways
Tue 12/97:05 amSYD - ORD
2 stops25h 57mQantas Airways
Deal found 11/16$981
This Kiwi.com deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:17 pmORD - SYD
2 stops33h 33mQantas Airways
Wed 12/1711:20 amSYD - ORD
1 stop21h 42mQantas Airways
Deal found 11/16$1,035
This flugladen.de deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:50 amORD - SYD
1 stop31h 35mMultiple Airlines
Sun 12/2111:20 amSYD - ORD
1 stop21h 29mMultiple Airlines
Deal found 11/17$1,082
This Qantas Airways deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:11 pmIND - SYD
2 stops27h 04mQantas Airways
Sun 12/72:05 pmSYD - IND
1 stop19h 56mQantas Airways
Deal found 11/17$1,102
This Mytrip deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/254:58 pmORD - SYD
3 stops26h 37mMultiple Airlines
Tue 12/92:00 pmSYD - ORD
2 stops33h 05mMultiple Airlines
Deal found 11/16$1,113
This Trip.com deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:00 amMDW - SYD
2 stops32h 25mMultiple Airlines
Sun 12/2111:20 amSYD - MDW
2 stops29h 01mMultiple Airlines
Deal found 11/17$1,116
This Trip.com deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:50 amORD - SYD
1 stop33h 10mMultiple Airlines
Thu 3/1211:20 amSYD - ORD
1 stop20h 38mMultiple Airlines
Deal found 11/16$1,126
This Kiwi.com deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:00 amORD - SYD
2 stops30h 25mMultiple Airlines
Wed 12/175:45 pmSYD - ORD
1 stop29h 20mMultiple Airlines
Deal found 11/17$1,187
This Cheapflightsfares deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/204:54 pmCVG - SYD
1 stop22h 01mQantas Airways
Sat 11/229:55 pmSYD - CVG
2 stops34h 09mQantas Airways
Deal found 11/16$1,241
This Trip.com deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:30 amMDW - SYD
2 stops34h 30mMultiple Airlines
Sat 12/611:20 amSYD - MDW
2 stops50h 25mMultiple Airlines
Deal found 11/17$1,241
This Cheapflightsfares deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:15 pmIND - SYD
1 stop23h 45mQantas Airways
Sun 1/182:05 pmSYD - IND
1 stop19h 38mQantas Airways
Deal found 11/17$1,253

Cheap flight deals from Indiana to Sydney

Keep the following information in mind while searching for Indiana to Sydney flight deals. Data was last updated November 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$899
(CrystalTravel)

One-way from

$463
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$1,231
Provider with most accurate pricing for Indianapolis-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Indianapolis-Sydney Kingsford Smith flights.
Search Deals
From Indiana to Sydney Kingsford Smith
Search Deals
One-way flight from Indiana to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($118 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Indiana 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 2,558,603 searches. Data last updated November 18, 2025.
Use the filters below to find and compare flights from Indiana to Sydney that are best for you.

Fly from

Indiana

Fly to

Sydney

Route

Depart

Return

Price

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Sat 1/24

5:30 pm-9:10 am

2 stops47h 40m

Sydney Kingsford Smith

Sat 2/7

11:20 am-5:11 pm

1 stop21h 51m

$973

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Wed 2/11

5:30 pm-9:00 am

1 stop23h 30m

Sydney Kingsford Smith

Wed 2/18

5:50 pm-3:00 pm

2 stops37h 10m

$973

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Wed 2/11

12:25 pm-9:35 am

2 stops29h 10m

Sydney Kingsford Smith

Wed 2/18

11:20 am-5:53 pm

2 stops22h 33m

$1,062

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Wed 12/3

5:11 pm-12:15 pm

2 stops27h 04m

Sydney Kingsford Smith

Sun 12/7

2:05 pm-6:01 pm

1 stop19h 56m

$1,102

ChicagoSydney

MDW - SYD

MDWSYD

Chicago Midway

Sat 12/6

6:00 am-7:25 am

2 stops32h 25m

Sydney Kingsford Smith

Sun 12/21

11:20 am-11:21 pm

2 stops29h 01m

$1,117

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Thu 2/12

12:37 pm-9:35 am

2 stops28h 58m

Sydney Kingsford Smith

Thu 2/26

11:20 am-5:53 pm

2 stops22h 33m

$1,142

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sat 2/28

6:40 pm-9:35 am

2 stops46h 55m

Sydney Kingsford Smith

Tue 3/10

6:30 am-3:26 pm

2 stops23h 56m

$1,158

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sun 2/1

4:52 pm-6:55 am

1 stop22h 03m

Sydney Kingsford Smith

Mon 2/9

7:05 am-8:02 pm

2 stops28h 57m

$1,199

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Fri 3/13

6:18 pm-6:55 am

1 stop21h 37m

Sydney Kingsford Smith

Sat 3/21

1:05 pm-7:41 pm

1 stop21h 36m

$1,214

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Tue 2/3

4:52 pm-6:55 am

1 stop22h 03m

Sydney Kingsford Smith

Sat 2/28

9:55 pm-5:05 pm

2 stops35h 10m

$1,237

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 60 results
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Best time to book a flight from Indiana to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Indiana with our price prediction graph.
Estimated round-trip 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 Indiana to Sydney

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

Currently, August is the cheapest month in which you can book a flight from Indiana to Sydney (average of $835). Flying from Indiana to Sydney in December is currently the most expensive (average of $1,196). 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 IN to SYD?

Find hourly flight availability from Indiana 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 November 18, 2025.

One of the essential ways to save on airfare from Indiana to Sydney is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 84% on airfare.

What is the cheapest day to fly from Indiana to Sydney?

Use this chart to determine the cheapest time to fly round-trip from Indiana to Sydney. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Indiana to Sydney flight should consider departing on Wednesday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Indiana to Sydney?

Related info for your journey

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

  • What airport do you fly into for flights to Sydney from Indiana?

    Sydney Kingsford Smith (SYD), located 4.6 mi from the city center, is the airport you fly into when you book flights from Indiana to Sydney.

  • How long is the flight from Indiana to Sydney?

    Airlines like Qantas Airways, American Airlines, and Delta fly from Indiana to Sydney in about 25h 31m. The time it takes to get you to your destination can typically vary by up to 22h 09m. Indiana and Sydney are separated by a distance of 9392 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Indiana to Sydney one-way?

    The cheapest airlines for a one-way flight from Indiana to Sydney are Air Canada ($503), Qantas Airways ($531), and Delta ($644).

  • What are the most popular routes from Indiana to Sydney?

    The most popular flight routes from Indiana to Sydney are Chicago O'Hare Intl - Sydney Kingsford Smith, Chicago Midway - Sydney Kingsford Smith and Indianapolis - Sydney Kingsford Smith.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Indiana to Sydney (average of $835). Flying from Indiana to Sydney in December is currently the most expensive (average of $1,196). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly
Coogee

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Top 5 airlines flying from Indiana to Sydney

Discover the top 5 airlines that operate flights from Indiana 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 2,558,603 searches. Data last updated November 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$835Average$1,144FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$882Average$1,416FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$883Average$1,227FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$904Average$1,282FlexibilityNo cancel feeOn-time74%
DeltaCheapest$964Average$1,159FlexibilityNo cancel feeOn-timeN/A

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