$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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SYD
Jul 11 — Jul 181
Round-trip
1 adult, Economy
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Find cheap flights from Indianapolis to Sydney with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Indianapolis to Sydney
Cheapest
Best
Last-minute
One-way
Cheapest flights from Indianapolis to SydneyExplore 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 June 11, 2026.
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 June 11, 2026.
This oojo deal was found by Cheapflights users on 6/11. 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 10/214:24 pm
IND
- SYD
1 stop24h 41m
Qantas Airways
Sat 10/315:50 pm
SYD
- IND
2 stops36h 16m
Qantas Airways
Deal found 6/11![Qantas Airways logo]()
$1,042
This oojo deal was found by Cheapflights users on 6/9. 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 12/15:11 pm
IND
- SYD
1 stop23h 49m
Qantas Airways
Sat 12/127:05 am
SYD
- IND
2 stops25h 58m
Qantas Airways
Deal found 6/9![Qantas Airways logo]()
$1,097
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Tue 9/2210:20 am
IND
- SYD
2 stops31h 00m
Air Canada
Sun 10/1110:20 am
SYD
- IND
3 stops41h 22m
Air Canada
Deal found 6/11![Air Canada logo]()
$1,167
This Justfly.com deal was found by Cheapflights users on 6/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:20 am
IND
- SYD
2 stops31h 00m
Air Canada
Tue 9/229:20 am
SYD
- IND
3 stops41h 27m
Air Canada
Deal found 6/10![Air Canada logo]()
$1,168
This Justfly.com deal was found by Cheapflights users on 6/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:20 am
IND
- SYD
2 stops31h 00m
Air Canada
Tue 8/119:20 am
SYD
- IND
3 stops41h 27m
Air Canada
Deal found 6/6![Air Canada logo]()
$1,169
This Travelocity deal was found by Cheapflights users on 6/9. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/273:37 pm
IND
- SYD
2 stops25h 43m
Air Canada
Wed 8/59:20 am
SYD
- IND
2 stops24h 53m
Air Canada
Deal found 6/9![Air Canada logo]()
$1,179
This FlightHub deal was found by Cheapflights users on 6/6. 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.
Sun 10/1110:20 am
IND
- SYD
2 stops31h 00m
Air Canada
Wed 10/1410:20 am
SYD
- IND
2 stops25h 16m
Air Canada
Deal found 6/6![Air Canada logo]()
$1,182
This Air Canada deal was found by Cheapflights users on 6/10. 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 9/2212:40 pm
IND
- SYD
3 stops28h 40m
Multiple Airlines
Sun 10/1110:20 am
SYD
- IND
2 stops44h 21m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,186
Best flights from Indianapolis to SydneyDiscover carefully curated flight deals from Indianapolis to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
Discover carefully curated flight deals from Indianapolis to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
This FlightHub deal was found by Cheapflights users on 6/6. 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 10/810:20 am
IND
- SYD
2 stops31h 00m
Air Canada
Sun 10/2510:20 am
SYD
- IND
3 stops41h 37m
Air Canada
Deal found 6/6![Air Canada logo]()
$1,207
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Mon 7/67:59 pm
IND
- SYD
1 stop20h 56m
United Airlines
Mon 7/139:30 am
SYD
- IND
2 stops27h 00m
United Airlines
Deal found 6/8![United Airlines logo]()
$1,300
This Qantas Airways deal was found by Cheapflights users on 6/6. 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.
Fri 11/275:11 pm
IND
- SYD
2 stops26h 44m
Qantas Airways
Sat 12/52:05 pm
SYD
- IND
1 stop19h 56m
Qantas Airways
Deal found 6/6![Qantas Airways logo]()
$1,343
This KAYAK deal was found by Cheapflights users on 6/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:23 pm
IND
- SYD
1 stop22h 32m
Air New Zealand
Sun 10/2512:10 pm
SYD
- IND
1 stop31h 23m
Air New Zealand
Deal found 6/6![Air New Zealand logo]()
$1,521
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/56:00 am
IND
- SYD
1 stop34h 55m
United Airlines
Sun 7/129:30 am
SYD
- IND
2 stops27h 00m
United Airlines
Deal found 6/9![United Airlines logo]()
$1,310
This Qantas Airways deal was found by Cheapflights users on 6/7. 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.
Wed 10/74:24 pm
IND
- SYD
1 stop24h 06m
Qantas Airways
Sun 10/186:25 am
SYD
- IND
2 stops26h 25m
Qantas Airways
Deal found 6/7![Qantas Airways logo]()
$1,389
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/56:00 am
IND
- SYD
1 stop34h 55m
United Airlines
Fri 7/1710:20 am
SYD
- IND
1 stop22h 37m
United Airlines
Deal found 6/9![United Airlines logo]()
$1,355
This Qantas Airways deal was found by Cheapflights users on 6/9. 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.
Fri 7/34:21 pm
IND
- SYD
1 stop24h 44m
Qantas Airways
Sun 7/129:10 am
SYD
- IND
1 stop22h 40m
Qantas Airways
Deal found 6/9![Qantas Airways logo]()
$1,411
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/27:59 pm
IND
- SYD
1 stop20h 56m
United Airlines
Wed 7/159:30 am
SYD
- IND
2 stops39h 24m
United Airlines
Deal found 6/9![United Airlines logo]()
$1,366
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Fri 8/77:59 pm
IND
- SYD
1 stop20h 56m
United Airlines
Sat 8/2210:20 am
SYD
- IND
1 stop19h 19m
United Airlines
Deal found 6/7![United Airlines logo]()
$1,395
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/47:49 am
IND
- SYD
2 stops33h 11m
United Airlines
Fri 7/1710:20 am
SYD
- IND
1 stop22h 37m
United Airlines
Deal found 6/9![United Airlines logo]()
$1,399
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/117:49 am
IND
- SYD
2 stops33h 11m
United Airlines
Sat 7/1810:20 am
SYD
- IND
2 stops21h 32m
United Airlines
Deal found 6/8![United Airlines logo]()
$1,558
Last-minute flights from Indianapolis to SydneyDiscover last-minute flight deals from Indianapolis to Sydney. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from Indianapolis to Sydney. Data last updated June 11, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 6/9. 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.
Thu 7/210:20 am
IND
- SYD
2 stops31h 00m
Air Canada
Wed 7/159:20 am
SYD
- IND
2 stops25h 24m
Air Canada
Deal found 6/9![Air Canada logo]()
$1,209
This FlightHub deal was found by Cheapflights users on 6/9. 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 7/23:37 pm
IND
- SYD
2 stops25h 43m
Air Canada
Tue 7/149:20 am
SYD
- IND
2 stops44h 24m
Air Canada
Deal found 6/9![Air Canada logo]()
$1,215
This FlightHub deal was found by Cheapflights users on 6/9. 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.
Fri 7/34:25 pm
IND
- SYD
2 stops24h 55m
Air Canada
Tue 7/149:20 am
SYD
- IND
2 stops44h 24m
Air Canada
Deal found 6/9![Air Canada logo]()
$1,219
This Gurufare deal was found by Cheapflights users on 6/9. 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 7/34:25 pm
IND
- SYD
2 stops24h 55m
Multiple Airlines
Wed 7/159:20 am
SYD
- IND
1 stop25h 24m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$1,227
This BusinessClass deal was found by Cheapflights users on 6/9. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:25 pm
IND
- SYD
2 stops24h 55m
Multiple Airlines
Tue 7/149:20 am
SYD
- IND
1 stop44h 24m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$1,228
This Travelocity deal was found by Cheapflights users on 6/9. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/273:37 pm
IND
- SYD
2 stops25h 43m
Air Canada
Wed 8/59:20 am
SYD
- IND
2 stops24h 53m
Air Canada
Deal found 6/9![Air Canada logo]()
$1,179
One-way flights from Indianapolis to SydneySearch for one-way flight options from Indianapolis to Sydney. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
Search for one-way flight options from Indianapolis to Sydney. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This Air Canada deal was found by Cheapflights users on 6/9. 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.
Fri 9/1810:20 am
IND
- SYD
2 stops31h 00m
Air Canada
Deal found 6/9![Air Canada logo]()
$621
This Air Canada deal was found by Cheapflights users on 6/9. 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 7/2910:20 am
IND
- SYD
2 stops31h 00m
Air Canada
Deal found 6/9![Air Canada logo]()
$623
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Mon 8/2412:34 pm
IND
- SYD
2 stops28h 46m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$628
This oojo deal was found by Cheapflights users on 6/9. 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.
Fri 9/184:13 pm
IND
- SYD
1 stop25h 17m
Qantas Airways
Deal found 6/9![Qantas Airways logo]()
$683
This Air Canada deal was found by Cheapflights users on 6/9. 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 7/2810:20 am
IND
- SYD
2 stops31h 00m
Air Canada
Deal found 6/9![Air Canada logo]()
$695
This Expedia deal was found by Cheapflights users on 6/9. 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.
Mon 7/273:37 pm
IND
- SYD
2 stops25h 43m
Air Canada
Deal found 6/9![Air Canada logo]()
$697
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Mon 7/274:21 pm
IND
- SYD
1 stop24h 44m
American Airlines
Deal found 6/9![American Airlines logo]()
$718
This American Airlines deal was found by Cheapflights users on 6/9. 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 7/284:21 pm
IND
- SYD
1 stop25h 09m
American Airlines
Deal found 6/9![American Airlines logo]()
$719
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 7/297:43 am
IND
- SYD
1 stop33h 12m
United Airlines
Deal found 6/9![United Airlines logo]()
$722
This Delta deal was found by Cheapflights users on 6/8. 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.
Mon 7/65:25 pm
IND
- SYD
1 stop23h 25m
Delta
Deal found 6/8![Delta logo]()
$724
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 June 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,042 (oojo) |
One-way from | $621 (Air Canada) |
Popular in | January |
Cheapest in | September |
Average price | $1,285 |
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 June 11, 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
Cheapest round-trip
IndianapolisSydney
IND - SYD
INDSYD
Indianapolis
Thu 10/8
10:20 am-8:20 am
2 stops31h 00m
Sydney Kingsford Smith
Sun 10/25
10:20 am-12:57 pm
3 stops41h 37m
$1,207
IndianapolisSydney
IND - SYD
INDSYD
Indianapolis
Mon 7/6
7:59 pm-6:55 am
1 stop20h 56m
Sydney Kingsford Smith
Mon 7/13
9:30 am-10:30 pm
2 stops27h 00m
$1,300
IndianapolisSydney
IND - SYD
INDSYD
Indianapolis
Sun 7/5
6:00 am-6:55 am
1 stop34h 55m
Sydney Kingsford Smith
Sun 7/12
9:30 am-10:30 pm
2 stops27h 00m
$1,310
IndianapolisSydney
IND - SYD
INDSYD
Indianapolis
Fri 11/27
5:11 pm-11:55 am
2 stops26h 44m
Sydney Kingsford Smith
Sat 12/5
2:05 pm-6:01 pm
1 stop19h 56m
$1,343
IndianapolisSydney
IND - SYD
INDSYD
Indianapolis
Sun 7/5
6:00 am-6:55 am
1 stop34h 55m
Sydney Kingsford Smith
Fri 7/17
10:20 am-6:57 pm
1 stop22h 37m
$1,355
IndianapolisSydney
IND - SYD
INDSYD
Indianapolis
Thu 7/2
7:59 pm-6:55 am
1 stop20h 56m
Sydney Kingsford Smith
Wed 7/15
9:30 am-10:54 am
2 stops39h 24m
$1,366
IndianapolisSydney
IND - SYD
INDSYD
Indianapolis
Wed 10/7
4:24 pm-7:30 am
1 stop24h 06m
Sydney Kingsford Smith
Sun 10/18
6:25 am-5:50 pm
2 stops26h 25m
$1,389
Quickest round-trip
IndianapolisSydney
IND - SYD
INDSYD
Indianapolis
Fri 8/7
7:59 pm-6:55 am
1 stop20h 56m
Sydney Kingsford Smith
Sat 8/22
10:20 am-3:39 pm
1 stop19h 19m
$1,395
IndianapolisSydney
IND - SYD
INDSYD
Indianapolis
Sat 7/4
7:49 am-7:00 am
2 stops33h 11m
Sydney Kingsford Smith
Fri 7/17
10:20 am-6:57 pm
1 stop22h 37m
$1,399
IndianapolisSydney
IND - SYD
INDSYD
Indianapolis
Fri 7/3
4:21 pm-7:05 am
1 stop24h 44m
Sydney Kingsford Smith
Sun 7/12
9:10 am-5:50 pm
1 stop22h 40m
$1,411
Showing 1-10 of 22 resultsSorted by cheapest first
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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star |
- 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.
IND-SYD
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 $1,108). 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?
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 June 11, 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.
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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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.
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Book flights to Sydney if you plan to visit one of these locationsParramatta
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Indianapolis and Sydney flights
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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 June 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$644 | Average$1,459 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$889 | Average$1,300 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$930 | Average$1,230 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$938 | Average$1,461 | FlexibilityNo cancel fee | On-time71% |