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$412+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SYD
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
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 October 23, 2025.

This American Airlines deal was found by Cheapflights users on 10/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:25 pmORD - SYD
2 stops22h 35mAmerican Airlines
Sat 11/225:45 pmSYD - ORD
2 stops23h 27mAmerican Airlines
Deal found 10/22$845
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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.
Sat 11/2211:40 amORD - SYD
1 stop28h 20mQantas Airways
Tue 12/3011:20 amSYD - ORD
1 stop22h 31mQantas Airways
Deal found 10/21$846
This American Airlines deal was found by Cheapflights users on 10/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/243:14 pmORD - SYD
1 stop24h 51mAmerican Airlines
Mon 11/311:20 amSYD - ORD
1 stop29h 39mAmerican Airlines
Deal found 10/20$847
This American Airlines deal was found by Cheapflights users on 10/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/213:17 pmORD - SYD
1 stop22h 48mAmerican Airlines
Fri 10/311:05 pmSYD - ORD
1 stop20h 12mAmerican Airlines
Deal found 10/21$848
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sun 11/303:43 pmORD - SYD
1 stop22h 17mUnited Airlines
Sun 1/2512:10 pmSYD - ORD
1 stop19h 43mUnited Airlines
Deal found 10/22$851
This Expedia deal was found by Cheapflights users on 10/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/253:40 pmORD - SYD
1 stop22h 15mAir Canada
Thu 1/1511:20 amSYD - ORD
1 stop20h 21mAir Canada
Deal found 10/21$853
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/226:00 pmORD - SYD
1 stop22h 05mUnited Airlines
Wed 12/3111:50 amSYD - ORD
1 stop22h 15mUnited Airlines
Deal found 10/23$854
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/113:55 pmORD - SYD
2 stops24h 10mUnited Airlines
Tue 11/1812:10 pmSYD - ORD
2 stops21h 48mUnited Airlines
Deal found 10/23$855
This FlightHub deal was found by Cheapflights users on 10/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:30 pmORD - SYD
1 stop22h 30mQantas Airways
Sat 1/2411:20 amSYD - ORD
1 stop20h 37mQantas Airways
Deal found 10/21$856
This United Airlines deal was found by Cheapflights users on 10/22. 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 10/234:09 pmORD - SYD
2 stops23h 46mUnited Airlines
Thu 10/3011:05 amSYD - ORD
1 stop19h 20mUnited Airlines
Deal found 10/22$857
This oojo deal was found by Cheapflights users on 10/21. 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.
Thu 11/64:54 pmCVG - SYD
1 stop22h 01mQantas Airways
Sat 11/156:05 amSYD - CVG
2 stops26h 07mQantas Airways
Deal found 10/21$1,024
This lol.travel deal was found by Cheapflights users on 10/23. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/212:35 pmCVG - SYD
1 stop26h 20mQantas Airways
Mon 11/172:05 pmSYD - CVG
1 stop21h 53mQantas Airways
Deal found 10/23$1,162

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 October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$845
(American Airlines)

One-way from

$412
(CrystalTravel)

Popular in

July

Cheapest in

August

Average price

$1,138
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. 3% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 23, 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

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 1/27

2:40 pm-6:20 am

1 stop22h 40m

Sydney Kingsford Smith

Mon 2/2

2:00 pm-9:32 pm

1 stop24h 32m

$851

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Wed 3/25

5:20 pm-7:00 am

1 stop21h 40m

Sydney Kingsford Smith

Mon 4/6

9:30 am-4:40 pm

1 stop22h 10m

$851

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 12/7

10:35 am-7:00 am

1 stop27h 25m

Sydney Kingsford Smith

Sun 12/14

12:10 pm-9:07 pm

1 stop25h 57m

$851

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 11/11

3:55 pm-9:05 am

2 stops24h 10m

Sydney Kingsford Smith

Tue 11/18

12:10 pm-4:55 pm

1 stop21h 45m

$851

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 2/15

12:46 pm-6:20 am

1 stop24h 34m

Sydney Kingsford Smith

Wed 3/4

12:10 pm-2:45 pm

1 stop19h 35m

$851

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 2/16

3:55 pm-7:00 am

1 stop22h 05m

Sydney Kingsford Smith

Mon 3/2

11:20 am-2:55 pm

1 stop20h 35m

$851

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Wed 2/18

6:17 pm-9:15 am

1 stop21h 58m

Sydney Kingsford Smith

Mon 3/2

11:50 am-2:43 pm

1 stop19h 53m

$851

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 2/19

6:31 pm-9:05 am

1 stop21h 34m

Sydney Kingsford Smith

Tue 3/3

12:10 pm-2:45 pm

1 stop19h 35m

$854

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 2/15

4:10 pm-6:20 am

1 stop21h 10m

Sydney Kingsford Smith

Fri 2/27

11:50 am-2:43 pm

1 stop19h 53m

$854

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sat 2/14

4:45 pm-9:15 am

1 stop23h 30m

Sydney Kingsford Smith

Mon 3/2

12:10 pm-2:45 pm

1 stop19h 35m

$854

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

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 January is currently the most expensive (average of $1,154). 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 October 23, 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.

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 United Airlines, Qantas Airways, and American Airlines fly from Indiana to Sydney in about 22h 01m. The time it takes to get you to your destination can typically vary by up to 2h 15m. 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 cheapest airlines to fly from Indiana to Sydney one-way?

    The cheapest airlines for a one-way flight from Indiana to Sydney are Qantas Airways ($417), American Airlines ($419), and Air Canada ($511).

  • 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 January is currently the most expensive (average of $1,154). 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 October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$835Average$1,085FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$882Average$1,406FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$883Average$1,228FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$904Average$1,235FlexibilityNo cancel feeOn-time74%
DeltaCheapest$964Average$1,190FlexibilityNo cancel feeOn-timeN/A

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