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$523+ 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SYD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:21 pmDAY - SYD
2 stops45h 39mUnited Airlines
Tue 12/3011:50 amSYD - DAY
2 stops23h 15mUnited Airlines
Deal found 12/16$1,290
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:25 pmSDF - SYD
1 stop23h 35mUnited Airlines
Sun 1/411:50 amSYD - SDF
1 stop40h 16mUnited Airlines
Deal found 12/16$1,470
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:18 pmSDF - SYD
2 stops25h 47mUnited Airlines
Sun 1/411:50 amSYD - SDF
1 stop40h 16mUnited Airlines
Deal found 12/16$1,665
This CrystalTravel deal was found by Cheapflights users on 12/17. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:22 pmORD - SYD
1 stop20h 38mQantas Airways
Sat 12/279:00 amSYD - ORD
2 stops25h 48mQantas Airways
Deal found 12/17$1,729
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:00 amORD - SYD
1 stop28h 20mUnited Airlines
Wed 1/1411:20 amSYD - ORD
1 stop22h 42mUnited Airlines
Deal found 12/15$1,763
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:00 amORD - SYD
2 stops30h 50mDelta
Sun 1/1110:40 amSYD - ORD
2 stops28h 12mDelta
Deal found 12/16$1,768
This oojo deal was found by Cheapflights users on 12/15. 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.
Mon 12/227:25 pmIND - SYD
2 stops24h 30mQantas Airways
Thu 1/111:20 amSYD - IND
1 stop21h 40mQantas Airways
Deal found 12/15$1,769
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:23 pmORD - SYD
1 stop40h 37mUnited Airlines
Sun 1/1111:50 amSYD - ORD
1 stop19h 50mUnited Airlines
Deal found 12/17$1,773
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/261:00 pmORD - SYD
1 stop27h 05mUnited Airlines
Sun 1/1111:50 amSYD - ORD
1 stop19h 50mUnited Airlines
Deal found 12/17$1,813
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2612:45 pmORD - SYD
2 stops24h 35mUnited Airlines
Mon 1/1211:50 amSYD - ORD
1 stop19h 50mUnited Airlines
Deal found 12/17$1,818
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:49 pmIND - SYD
2 stops45h 11mUnited Airlines
Mon 1/199:00 amSYD - IND
2 stops30h 59mUnited Airlines
Deal found 12/15$1,828
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:05 pmORD - SYD
1 stop40h 15mUnited Airlines
Sun 1/1111:20 amSYD - ORD
1 stop26h 05mUnited Airlines
Deal found 12/15$1,829

Find flight deals from Indiana to Sydney

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

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$901
(CrystalTravel)

One-way from

$523
(Priceline)

Popular in

January

Cheapest in

October

Average price

$1,378
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. 7% potential increase in price ($114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 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

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sun 2/1

3:29 pm-9:35 am

2 stops26h 06m

Sydney Kingsford Smith

Mon 2/9

11:20 am-6:00 pm

2 stops46h 40m

$965

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

$974

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Thu 2/5

5:30 pm-9:00 am

1 stop23h 30m

Sydney Kingsford Smith

Mon 2/9

7:15 pm-5:43 pm

2 stops38h 28m

$1,006

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Thu 2/26

6:40 pm-9:35 am

2 stops46h 55m

Sydney Kingsford Smith

Tue 3/10

10:20 am-6:00 pm

2 stops46h 40m

$1,073

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-8:03 pm

2 stops24h 43m

$1,122

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Tue 3/3

5:25 pm-6:55 am

1 stop21h 30m

Sydney Kingsford Smith

Wed 3/11

1:05 pm-8:13 pm

1 stop22h 08m

$1,133

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Tue 2/10

4:52 pm-6:55 am

1 stop22h 03m

Sydney Kingsford Smith

Sat 4/18

12:00 pm-7:44 pm

1 stop21h 44m

$1,136

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 2/1

3:10 pm-9:00 am

1 stop24h 50m

Sydney Kingsford Smith

Sun 2/15

2:05 pm-5:38 pm

1 stop20h 33m

$1,149

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Mon 4/13

3:58 pm-7:05 am

2 stops25h 07m

Sydney Kingsford Smith

Sun 4/26

9:10 am-7:21 pm

2 stops24h 11m

$1,150

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

11:20 am-10:55 pm

2 stops27h 35m

$1,151

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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 April is currently the most expensive (average of $1,118). 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 December 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 in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 39% 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, Air Canada, and American Airlines fly from Indiana to Sydney in about 25h 07m. The time it takes to get you to your destination can typically vary by up to 22h 33m. Indiana and Sydney are separated by a distance of 9357 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 April is currently the most expensive (average of $1,118). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$835Average$1,144FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$882Average$1,471FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$883Average$1,223FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$907Average$1,280FlexibilityNo cancel feeOn-time74%
DeltaCheapest$964Average$1,210FlexibilityNo cancel feeOn-timeN/A

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