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$621+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SYD
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap 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 27, 2026.

This oojo deal was found by Cheapflights users on 7/26. 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.
Tue 12/15:15 pm
IND
-
SYD
1 stop23h 45m
Qantas Airways
Sat 12/127:05 am
SYD
-
IND
2 stops25h 58m
Qantas Airways
Deal found 7/26$1,020
This oojo deal was found by Cheapflights users on 7/26. 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.
Tue 12/15:26 pm
IND
-
SYD
2 stops29h 24m
Qantas Airways
Tue 12/2211:20 am
SYD
-
IND
1 stop21h 40m
Qantas Airways
Deal found 7/26$1,054
This FlightHub deal was found by Cheapflights users on 7/27. 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.
Thu 11/55:15 pm
IND
-
SYD
1 stop23h 45m
Qantas Airways
Sat 11/217:15 pm
SYD
-
IND
2 stops37h 21m
Qantas Airways
Deal found 7/27$1,059
This Expedia deal was found by Cheapflights users on 7/25. 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.
Wed 10/213:44 pm
IND
-
SYD
2 stops25h 36m
Air Canada
Wed 10/2810:20 am
SYD
-
IND
3 stops41h 27m
Air Canada
Deal found 7/25$1,114
This Air Canada deal was found by Cheapflights users on 7/26. 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.
Tue 9/2210:20 am
IND
-
SYD
2 stops31h 00m
Air Canada
Sun 10/1110:20 am
SYD
-
IND
2 stops44h 21m
Air Canada
Deal found 7/26$1,121
This Orbitz deal was found by Cheapflights users on 7/25. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:07 am
IND
-
SYD
2 stops34h 13m
Air Canada
Tue 10/1310:20 am
SYD
-
IND
2 stops44h 21m
Air Canada
Deal found 7/25$1,127
This oojo deal was found by Cheapflights users on 7/26. 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.
Tue 9/225:23 pm
IND
-
SYD
1 stop23h 32m
Qantas Airways
Sun 10/1110:10 am
SYD
-
IND
1 stop21h 41m
Qantas Airways
Deal found 7/26$1,140
This oojo deal was found by Cheapflights users on 7/25. 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.
Wed 10/215:23 pm
IND
-
SYD
1 stop22h 32m
Qantas Airways
Wed 10/281:05 pm
SYD
-
IND
1 stop21h 19m
Qantas Airways
Deal found 7/25$1,142
This Air Canada deal was found by Cheapflights users on 7/26. 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 11/48:00 am
IND
-
SYD
2 stops33h 35m
Air Canada
Sun 11/811:20 am
SYD
-
IND
3 stops41h 27m
Air Canada
Deal found 7/26$1,155

Find 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 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,020
(oojo)

One-way from

$621
(Travelocity)

Popular in

January

Cheapest in

September

Average price

$1,267
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 Indianapolis to Sydney Kingsford Smith
Search Deals
One-way flight from Indianapolis to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($130 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 27, 2026.
Use the filters below to find and compare flights from Indianapolis to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Tue 9/22

7:00 am-6:55 am

2 stops33h 55m

Sydney Kingsford Smith

Sun 10/11

11:20 am-5:21 pm

1 stop21h 01m

$1,170

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Sun 8/9

3:19 pm-7:00 am

2 stops25h 41m

Sydney Kingsford Smith

Tue 8/18

10:20 am-5:33 pm

1 stop21h 13m

$1,170

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Sat 10/17

3:44 pm-8:00 am

2 stops49h 16m

Sydney Kingsford Smith

Sun 10/25

11:50 am-5:24 pm

1 stop20h 34m

$1,190

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Wed 11/4

5:26 pm-6:55 am

1 stop21h 29m

Sydney Kingsford Smith

Sun 11/8

9:50 pm-5:50 pm

2 stops36h 00m

$1,224

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Thu 8/6

4:07 pm-9:15 am

2 stops27h 08m

Sydney Kingsford Smith

Sat 8/22

12:00 pm-11:43 pm

1 stop25h 43m

$1,250

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Thu 8/6

5:25 pm-6:50 am

1 stop23h 25m

Sydney Kingsford Smith

Sat 8/22

9:15 am-11:05 pm

2 stops27h 50m

$1,275

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Fri 9/4

12:34 pm-10:10 am

2 stops31h 36m

Sydney Kingsford Smith

Fri 9/11

9:10 am-7:15 pm

2 stops24h 05m

$1,295
Quickest round-trip

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Fri 12/25

3:20 pm-6:55 am

1 stop23h 35m

Sydney Kingsford Smith

Sun 1/10

11:15 am-5:00 pm

1 stop21h 45m

$1,644

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Tue 12/22

4:55 pm-9:00 am

1 stop24h 05m

Sydney Kingsford Smith

Sun 1/10

11:15 am-5:00 pm

1 stop21h 45m

$1,692

IndianapolisSydney

IND - SYD

INDSYD

Indianapolis

Tue 12/22

3:48 pm-9:05 am

2 stops25h 17m

Sydney Kingsford Smith

Sat 1/16

11:50 am-5:50 pm

2 stops22h 00m

$1,699

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Indianapolis to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Indianapolis to Sydney in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Indianapolis-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Indianapolis-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Indianapolis-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Indianapolis-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Indianapolis-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

What is the cheapest month to book a flight from Indianapolis to Sydney?

Currently, September is the cheapest month in which you can book a flight from Indianapolis to Sydney (average of $1,185). Flying from Indianapolis to Sydney in January is currently the most expensive (average of $1,711). 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.

How much does it cost to fly round-trip from Indianapolis to Sydney?

Airfare is below average for this route at the moment.

Indianapolis to Sydney flights typically cost between $1,172 and $1,495 in December.
The cheapest round-trip price found within the last 5 days was $1,020 on Qantas Airways (Dec 1-Dec 12).

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 27, 2026.
Read reviews from past customers who have flown Delta,Qantas Airways, andUnited 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
7.8
Good
8,483 reviews

Crew

8.5

Food

7.2

Comfort

7.8

Overall

7.8

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,483 reviews
Delta
7.8
Good
8,483 reviews

Crew

8.5

Food

7.2

Comfort

7.8

Overall

7.8

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Qantas Airways
7.5
Good
1,067 reviews
Delta
7.8
Good
8,483 reviews

Crew

8.5

Food

7.2

Comfort

7.8

Overall

7.8

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,042 reviews
Delta
7.8
Good
8,483 reviews

Crew

8.5

Food

7.2

Comfort

7.8

Overall

7.8

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,837 reviews
Delta
7.8
Good
8,483 reviews

Crew

8.5

Food

7.2

Comfort

7.8

Overall

7.8

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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?

    Airlines like United Airlines and Qantas Airways fly from Indianapolis to Sydney in about 21h 29m. The time it takes to get you to your destination can typically vary by up to 12h 26m. Airlines will cover a distance of 9281 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 flying from Indianapolis to Sydney round-trip?

    According to our current data, Delta ($644), Qantas Airways ($904), and United Airlines ($950) offers the cheapest pricing from Indianapolis to Sydney. Delta is currently priced 51% 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, September is the cheapest month in which you can book a flight from Indianapolis to Sydney (average of $1,185). Flying from Indianapolis to Sydney in January is currently the most expensive (average of $1,711). 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
Coogee
Manly

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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.
O'Hare Intl to Sydney flights
Cincinnati to Sydney flights
Louisville to Sydney flights
Dayton to Sydney flights

Top 4 airlines flying from Indianapolis to Sydney

Discover the top 4 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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$644Average$1,465FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$904Average$1,320FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$950Average$1,287FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,266Average$1,385FlexibilityNo cancel feeOn-time71%

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