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Cheap flights from Indianapolis to Sydney from $813

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 31/1. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SYD
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

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 Tuesday or Monday and return on a Monday

Find 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 31 October 2025.

Sun 9/1117:11IND - SYD
1 stop23h 49mQantas Airways
Tue 18/1111:20SYD - IND
1 stop21h 46mQantas Airways
Deal found 30/10$1,839
Thu 6/1117:11IND - SYD
1 stop23h 49mAmerican Airlines
Fri 28/1111:20SYD - IND
1 stop28h 15mAmerican Airlines
Deal found 30/10$1,850
Wed 26/1117:11IND - SYD
1 stop23h 49mQantas Airways
Wed 3/1219:15SYD - IND
2 stops34h 46mQantas Airways
Deal found 28/10$1,900
Sun 9/1115:03IND - SYD
2 stops25h 57mAmerican Airlines
Tue 18/1111:20SYD - IND
2 stops25h 55mAmerican Airlines
Deal found 30/10$1,905
Tue 18/1117:11IND - SYD
1 stop23h 49mQantas Airways
Thu 27/1111:20SYD - IND
1 stop22h 23mQantas Airways
Deal found 28/10$1,910
Fri 31/1016:24IND - SYD
2 stops25h 56mQantas Airways
Fri 14/1114:05SYD - IND
1 stop20h 05mQantas Airways
Deal found 30/10$1,925
Mon 29/1217:15IND - SYD
1 stop22h 10mQantas Airways
Sun 18/111:20SYD - IND
1 stop21h 40mQantas Airways
Deal found 29/10$1,972
Tue 18/1116:01IND - SYD
2 stops24h 59mAmerican Airlines
Thu 27/1111:20SYD - IND
1 stop22h 23mAmerican Airlines
Deal found 30/10$1,981

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 31 October 2025.

Round-trip from

$1,635

One-way from

$813

Popular in

July

Cheapest in

August

Average price

$1,733
Qantas Airways
  • Qantas Airways
  • 11/2-18/2
  • 3 total stops
  • 64h 16m total
  • Indianapolis to Sydney
Search Deals
Air Canada
  • Air Canada
  • 31/1
  • 2 total stops
  • 56h 35m total
  • Indianapolis to Sydney
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($108 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($53 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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 31 October 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 11/2

17:30-09:00

1 stop23h 30m

Sydney Kingsford Smith

Wed 18/2

17:50-18:36

2 stops40h 46m

$1,635

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Sat 24/1

17:30-09:00

1 stop23h 30m

Sydney Kingsford Smith

Sat 7/2

14:05-17:43

1 stop19h 38m

$1,794

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Thu 12/2

17:32-09:00

1 stop23h 28m

Sydney Kingsford Smith

Thu 26/2

14:05-21:23

1 stop23h 18m

$1,850

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Wed 15/4

15:52-07:05

2 stops25h 13m

Sydney Kingsford Smith

Wed 29/4

09:10-19:39

2 stops24h 29m

$1,856

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Wed 11/2

17:30-07:25

1 stop21h 55m

Sydney Kingsford Smith

Wed 18/2

11:20-16:20

1 stop21h 00m

$1,899

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Tue 18/11

17:11-09:00

1 stop23h 49m

Sydney Kingsford Smith

Thu 27/11

11:20-17:43

1 stop22h 23m

$1,911

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Wed 14/1

12:25-09:15

2 stops28h 50m

Sydney Kingsford Smith

Wed 28/1

12:10-20:02

2 stops23h 52m

$1,932

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Fri 13/3

16:41-07:25

1 stop23h 44m

Sydney Kingsford Smith

Sun 22/3

17:45-06:41

1 stop27h 56m

$1,977

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Sat 31/1

09:00-09:35

2 stops56h 35m

$813

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Sat 31/1

17:30-09:00

1 stop23h 30m

$880

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 17 results
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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 24 October 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, October is the cheapest month in which you can book a flight from Indianapolis to Sydney (average of $617). Flying from Indianapolis to Sydney in January is currently the most expensive (average of $1,762). 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 31 October 2025.

It’s optimal to fly from Indianapolis to Sydney in the evening. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight in the morning.

How much does it cost for a return flight 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 31 October 2025.
Get a feel of what it's like to fly with United Airlines from Indianapolis to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,998 reviews
Check prices

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews
Check prices

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 $1,850, Qantas Airways can have you in Sydney from Indianapolis in 23h 28m. The distance between Indianapolis and Sydney is about 14936 km. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from Indianapolis to Sydney round-trip?

    Cheapflights users have booked flights from Indianapolis to Sydney round-trip from $1,427. United Airlines is currently priced 28% 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 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 $617). Flying from Indianapolis to Sydney in January is currently the most expensive (average of $1,762). 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
Katoomba
Penrith
Manly
Terrigal
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla

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Alternative routes for Indianapolis to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Indianapolis to Sydney

Discover the top airline 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 647,157 searches. Data last updated 31 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,427Average$1,453FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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