Cheap flights from Indianapolis to Sydney from $879

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SYD
24 Aug — 31 Aug1
1 adult

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

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 19 August 2025.

Round-trip from

$1,651

One-way from

$879

Popular in

December

Cheapest in

August

Average price

$1,715
Qantas Airways
  • Qantas Airways
  • 8/2-15/2
  • 3 total stops
  • 43h 12m total
  • Indianapolis to Sydney
Air Canada
  • Air Canada
  • 31/8
  • 2 total stops
  • 31h 00m total
  • Indianapolis to Sydney
Highest demand for flights based on searches. 9% potential increase in price ($326 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($119 potential savings vs. average return price).
Average for round-trip flights in August 2025

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 19 August 2025.

Mon 1/918:51IND - SYD
2 stops22h 04mUnited Airlines
Sun 7/910:20SYD - IND
1 stop21h 15mUnited Airlines
Deal found 16/8$1,654
Mon 15/917:00IND - SYD
1 stop23h 35mDelta
Mon 22/909:25SYD - IND
2 stops25h 47mDelta
Deal found 17/8$1,660
Fri 5/910:20IND - SYD
2 stops31h 00mAir Canada
Fri 12/909:20SYD - IND
2 stops25h 41mAir Canada
Deal found 17/8$1,669
Sun 24/817:42IND - SYD
2 stops47h 38mAir Canada
Sun 31/809:20SYD - IND
2 stops24h 49mAir Canada
Deal found 18/8$1,682
Sat 8/1117:11IND - SYD
2 stops24h 09mQantas Airways
Sat 15/1114:20SYD - IND
1 stop19h 52mQantas Airways
Deal found 17/8$1,700
Wed 3/917:13IND - SYD
1 stop23h 22mDelta
Sat 13/909:25SYD - IND
2 stops26h 39mDelta
Deal found 18/8$1,737
Thu 30/1016:24IND - SYD
1 stop25h 36mQantas Airways
Thu 13/1117:50SYD - IND
2 stops40h 20mQantas Airways
Deal found 19/8$1,751
Wed 1/1016:22IND - SYD
1 stop24h 43mMultiple Airlines
Wed 8/1010:20SYD - IND
2 stops49h 41mMultiple Airlines
Deal found 17/8$1,774
Thu 30/1015:40IND - SYD
2 stops25h 55mAir Canada
Sat 15/1111:20SYD - IND
2 stops27h 10mAir Canada
Deal found 17/8$1,797
Fri 5/917:13IND - SYD
1 stop23h 22mDelta
Fri 12/909:25SYD - IND
1 stop20h 30mDelta
Deal found 19/8$1,808
Fri 26/907:00IND - SYD
2 stops33h 35mDelta
Thu 16/1010:25SYD - IND
2 stops25h 50mDelta
Deal found 18/8$1,814

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 19 August 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

17:19-09:20

2 stops24h 01m

Sydney Kingsford Smith

Wed 18/2

14:20-17:31

1 stop19h 11m

$1,651

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Sun 8/2

17:19-09:20

2 stops24h 01m

Sydney Kingsford Smith

Sun 15/2

14:20-17:31

1 stop19h 11m

$1,651

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Tue 10/2

17:19-09:20

2 stops24h 01m

Sydney Kingsford Smith

Wed 18/3

13:20-17:28

1 stop19h 08m

$1,651

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Mon 15/9

17:00-06:35

1 stop23h 35m

Sydney Kingsford Smith

Mon 22/9

09:25-15:55

1 stop20h 30m

$1,654

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Mon 1/9

18:51-06:55

2 stops22h 04m

Sydney Kingsford Smith

Sun 7/9

10:20-17:35

1 stop21h 15m

$1,654

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Tue 2/9

17:13-06:35

1 stop23h 22m

Sydney Kingsford Smith

Wed 10/9

09:25-15:30

1 stop20h 05m

$1,654

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Tue 2/9

15:45-06:55

2 stops25h 10m

Sydney Kingsford Smith

Wed 10/9

10:20-17:35

1 stop21h 15m

$1,654

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Thu 12/2

16:36-09:20

2 stops24h 44m

Sydney Kingsford Smith

Thu 26/2

14:20-17:31

1 stop19h 11m

$1,659

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Sun 31/8

10:20-07:20

2 stops31h 00m

$879

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Fri 21/11

14:20-09:35

2 stops27h 15m

$893

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Showing 1-10 of 16 results
1
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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 8 August 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, May is the cheapest month in which you can book a flight from Indianapolis to Sydney (average of $129). Flying from Indianapolis to Sydney in October is currently the most expensive (average of $171). 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 19 August 2025.

It’s optimal to fly from Indianapolis to Sydney in the afternoon. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight at midday.

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 19 August 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.

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 $1,654, Qantas Airways can have you in Sydney from Indianapolis in 22h 04m. 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 $1,440. United Airlines is currently priced 32% below the average price you’ll pay for this route.

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

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $879. Users have also found prices from $895 and $895 on United Airlines and Delta, respectively.

  • 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, May is the cheapest month in which you can book a flight from Indianapolis to Sydney (average of $129). Flying from Indianapolis to Sydney in October is currently the most expensive (average of $171). 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
Coogee
Terrigal
Manly
Cronulla
Lithgow
Randwick
Bondi Beach
Leura

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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.

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 19 August 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,440Average$1,467FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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How does Cheapflights help users find flights from Indianapolis to Sydney?

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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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