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$526+ Cheap flights from Indianapolis (IND) 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SYD
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Indianapolis to Sydney Kingsford Smith are usually found in August or October, booked 9 days in advance, depart on a Wednesday or Saturday and return on a Wednesday

Cheap 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 July 30, 2025.

Round-trip from

$870
(Air Canada)

One-way from

$526
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$1,500
From Indianapolis to Sydney Kingsford Smith
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One-way flight from Indianapolis to Sydney Kingsford Smith
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Highest demand for flights based on searches. 7% potential increase in price ($114 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Indianapolis to Sydney

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 July 30, 2025.

This Air Canada deal was found by Cheapflights users on 7/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1310:20 amIND - SYD
2 stops31h 00mAir Canada
Wed 9/109:20 amSYD - IND
2 stops25h 41mAir Canada
Deal found 7/28$870
This Gurufare deal was found by Cheapflights users on 7/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/264:22 pmIND - SYD
1 stop24h 43mQantas Airways
Thu 10/1610:10 amSYD - IND
1 stop22h 40mQantas Airways
Deal found 7/28$923
This United Airlines deal was found by Cheapflights users on 7/30. 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 9/135:30 pmIND - SYD
2 stops23h 25mUnited Airlines
Sat 9/209:30 amSYD - IND
2 stops22h 25mUnited Airlines
Deal found 7/30$939
This Qantas Airways deal was found by Cheapflights users on 7/30. 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.
Mon 9/14:50 pmIND - SYD
1 stop24h 40mMultiple Airlines
Sat 9/139:10 amSYD - IND
1 stop22h 29mMultiple Airlines
Deal found 7/30$950
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 9/134:22 pmIND - SYD
1 stop24h 43mAmerican Airlines
Sat 9/209:10 amSYD - IND
1 stop22h 29mAmerican Airlines
Deal found 7/30$954
This Delta deal was found by Cheapflights users on 7/30. 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.
Tue 9/305:00 pmIND - SYD
1 stop23h 35mDelta
Tue 10/289:40 amSYD - IND
1 stop22h 17mDelta
Deal found 7/30$981

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated July 30, 2025.
Use the filters below to find and compare flights from Indianapolis to Sydney that are best for you.

Fly from

Indianapolis

Fly to

Sydney

Route

Depart

Return

Price

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Wed 8/13

10:20 am-7:20 am

2 stops31h 00m

Sydney Kingsford Smith

Wed 9/10

9:20 am-9:01 pm

2 stops25h 41m

$870

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Fri 9/26

4:22 pm-7:05 am

1 stop24h 43m

Sydney Kingsford Smith

Thu 10/16

10:10 am-5:50 pm

1 stop22h 40m

$923

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Sat 9/13

5:30 pm-6:55 am

2 stops23h 25m

Sydney Kingsford Smith

Sat 9/20

9:30 am-5:55 pm

2 stops22h 25m

$939

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Mon 9/1

4:50 pm-7:30 am

1 stop24h 40m

Sydney Kingsford Smith

Sat 9/13

9:10 am-5:39 pm

1 stop22h 29m

$950

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Sat 9/13

3:49 pm-7:05 am

2 stops25h 16m

Sydney Kingsford Smith

Sat 9/20

9:10 am-5:39 pm

1 stop22h 29m

$954

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Tue 9/30

5:00 pm-6:35 am

1 stop23h 35m

Sydney Kingsford Smith

Tue 10/28

9:40 am-4:57 pm

1 stop22h 17m

$981

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Fri 9/12

9:10 am-7:00 am

2 stops31h 50m

$526

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Fri 9/12

5:00 pm-6:35 am

1 stop23h 35m

$527

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Fri 9/12

2:31 pm-8:40 am

3 stops28h 09m

$1,460

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Thu 12/4

5:00 pm-9:00 am

1 stop24h 00m

$14,466

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 11 results
1
2

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 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 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 round-trip flight from Indianapolis to Sydney. Price data was last updated on July 25, 2025.

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, February is the cheapest month in which you can book a flight from Indianapolis to Sydney (average of $1,028). Flying from Indianapolis to Sydney in December is currently the most expensive (average of $1,619). 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 IND to SYD?

Find hourly flight availability from Indianapolis 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 July 30, 2025.

It’s optimal to fly from Indianapolis to Sydney in the evening. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight in the afternoon.

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

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

Travelers seeking maximum savings on their Indianapolis to Sydney flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday 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 Indianapolis to Sydney?

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated July 30, 2025.
Read reviews from past customers who have flown Delta, Qantas Airways, and United Airlines from Indianapolis to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Qantas Airways
7.5
Good
887 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,837 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Indianapolis to Sydney round-trip?

    According to our current data, Air Canada ($870), Qantas Airways ($923), and United Airlines ($942) offers the cheapest pricing from Indianapolis to Sydney. Air Canada is currently priced 38% below the average price you’ll pay for this route.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from Indianapolis to Sydney (average of $1,028). Flying from Indianapolis to Sydney in December is currently the most expensive (average of $1,619). 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
Wollongong
Parramatta
Manly
Coogee

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Indianapolis to Sydney

Discover the top 5 airlines that operate flights from Indianapolis 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$835Average$1,144FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$882Average$1,413FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$883Average$1,341FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$945Average$1,464FlexibilityNo cancel feeOn-time74%
DeltaCheapest$980Average$1,218FlexibilityNo cancel feeOn-timeN/A

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