$479+ Cheap flights from O'Hare Intl (ORD) to Australia
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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
Aug 1 — Aug 81
Round-trip
1 adult, Economy
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Cheapest flights from O'Hare Intl to AustraliaExplore the most affordable flight options available from O'Hare Intl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2026.
Explore the most affordable flight options available from O'Hare Intl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2026.
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:20 am
ORD
- SYD
3 stops35h 30m
Multiple Airlines
Wed 8/191:15 pm
SYD
- ORD
2 stops31h 44m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$989
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:20 am
ORD
- MEL
3 stops35h 40m
Multiple Airlines
Thu 8/201:30 pm
MEL
- ORD
2 stops31h 29m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,009
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:20 am
ORD
- CNS
3 stops35h 20m
Multiple Airlines
Thu 8/2012:40 pm
CNS
- ORD
2 stops32h 19m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,010
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:20 am
ORD
- SYD
3 stops35h 30m
Multiple Airlines
Thu 8/201:15 pm
SYD
- ORD
2 stops31h 44m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,016
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:20 am
ORD
- BNE
3 stops34h 20m
Multiple Airlines
Thu 8/2011:55 am
BNE
- ORD
2 stops33h 04m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,016
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:20 am
ORD
- ADL
3 stops35h 45m
Multiple Airlines
Thu 8/2012:35 pm
ADL
- ORD
2 stops31h 54m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,026
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:20 am
ORD
- MEL
3 stops35h 40m
Multiple Airlines
Fri 8/281:30 pm
MEL
- ORD
2 stops31h 47m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,040
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/169:20 am
ORD
- SYD
3 stops35h 30m
Multiple Airlines
Sat 8/291:15 pm
SYD
- ORD
2 stops31h 44m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,055
This Trip.com deal was found by Cheapflights users on 7/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:20 am
ORD
- MEL
3 stops35h 40m
Multiple Airlines
Wed 8/191:25 pm
MEL
- ORD
2 stops31h 34m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$1,113
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/309:28 am
ORD
- SYD
3 stops35h 22m
Multiple Airlines
Thu 8/61:15 pm
SYD
- ORD
2 stops32h 02m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,143
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:20 am
ORD
- OOL
3 stops35h 10m
Multiple Airlines
Thu 8/2012:30 pm
OOL
- ORD
2 stops32h 29m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,152
This Trip.com deal was found by Cheapflights users on 7/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:59 pm
ORD
- MEL
3 stops31h 01m
Multiple Airlines
Thu 8/271:30 pm
MEL
- ORD
2 stops31h 29m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$1,156
Best flights from O'Hare Intl to AustraliaDiscover carefully curated flight deals from O'Hare Intl to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2026.
Discover carefully curated flight deals from O'Hare Intl to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2026.
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:20 am
ORD
- ADL
3 stops35h 45m
Multiple Airlines
Thu 8/2012:35 pm
ADL
- ORD
3 stops39h 15m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,130
This lol.travel deal was found by Cheapflights users on 6/30. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/52:15 pm
ORD
- OOL
3 stops29h 25m
Air Canada
Mon 8/106:00 am
OOL
- ORD
2 stops23h 36m
Air Canada
Deal found 6/30![Air Canada logo]()
$1,461
This Qantas Airways deal was found by Cheapflights users on 7/2. 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 8/215:16 pm
ORD
- MEL
1 stop22h 29m
Qantas Airways
Fri 9/49:45 am
MEL
- ORD
1 stop25h 15m
Qantas Airways
Deal found 7/2![Qantas Airways logo]()
$1,586
This United Airlines deal was found by Cheapflights users on 7/2. 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 8/214:20 pm
ORD
- MEL
2 stops24h 55m
United Airlines
Fri 9/49:30 am
MEL
- ORD
1 stop22h 35m
United Airlines
Deal found 7/2![United Airlines logo]()
$1,588
This Delta deal was found by Cheapflights users on 6/29. 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.
Fri 9/258:05 am
ORD
- MEL
2 stops32h 45m
Delta
Sun 10/411:00 am
MEL
- ORD
1 stop22h 23m
Delta
Deal found 6/29![Delta logo]()
$1,610
This Turkish Airlines deal was found by Cheapflights users on 6/29. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/288:15 pm
ORD
- SYD
2 stops54h 20m
Turkish Airlines
Thu 1/219:30 pm
SYD
- ORD
2 stops53h 30m
Turkish Airlines
Deal found 6/29![Turkish Airlines logo]()
$1,720
This oojo deal was found by Cheapflights users on 6/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/162:00 pm
ORD
- ADL
2 stops28h 25m
Air New Zealand
Thu 12/1712:05 pm
ADL
- ORD
2 stops33h 27m
Air New Zealand
Deal found 6/27![Air New Zealand logo]()
$1,720
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am
ORD
- SYD
2 stops33h 30m
Alaska Airlines
Mon 10/2611:15 am
SYD
- ORD
3 stops28h 44m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$1,725
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Fri 8/145:16 pm
ORD
- CBR
2 stops27h 54m
American Airlines
Fri 8/216:10 am
CBR
- ORD
2 stops24h 44m
American Airlines
Deal found 6/30![American Airlines logo]()
$1,843
This Finnair deal was found by Cheapflights users on 6/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:30 pm
ORD
- BNE
2 stops41h 30m
Finnair
Fri 9/41:40 pm
BNE
- ORD
2 stops43h 10m
Finnair
Deal found 6/30![Finnair logo]()
$2,118
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:20 am
ORD
- OOL
3 stops35h 10m
Multiple Airlines
Thu 8/2012:30 pm
OOL
- ORD
2 stops32h 29m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,162
This FlightHub deal was found by Cheapflights users on 7/2. 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.
Wed 10/143:40 pm
ORD
- CBR
2 stops29h 40m
Air Canada
Mon 10/196:35 am
CBR
- ORD
2 stops29h 31m
Air Canada
Deal found 7/2![Air Canada logo]()
$1,471
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:13 pm
ORD
- BNE
1 stop40h 47m
Multiple Airlines
Fri 8/218:35 pm
BNE
- ORD
1 stop24h 42m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$1,404
This United Airlines deal was found by Cheapflights users on 6/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:48 pm
ORD
- MEL
1 stop24h 42m
United Airlines
Sun 8/309:30 am
MEL
- ORD
1 stop20h 06m
United Airlines
Deal found 6/27![United Airlines logo]()
$1,593
This Delta deal was found by Cheapflights users on 7/2. 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.
Thu 8/208:24 pm
ORD
- MEL
2 stops44h 26m
Delta
Fri 9/410:00 am
MEL
- ORD
1 stop28h 48m
Delta
Deal found 7/2![Delta logo]()
$1,610
This Air Canada deal was found by Cheapflights users on 7/1. 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 8/1411:05 am
ORD
- BNE
2 stops29h 00m
Air Canada
Fri 8/2110:00 am
BNE
- ORD
2 stops25h 05m
Air Canada
Deal found 7/1![Air Canada logo]()
$1,473
This Air Canada deal was found by Cheapflights users on 7/2. 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.
Sun 8/163:40 pm
ORD
- OOL
2 stops29h 00m
Multiple Airlines
Sun 8/238:50 pm
OOL
- ORD
2 stops32h 46m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$1,437
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Wed 9/163:00 pm
ORD
- MEL
1 stop25h 30m
United Airlines
Wed 9/239:30 am
MEL
- ORD
1 stop22h 35m
United Airlines
Deal found 6/30![United Airlines logo]()
$1,599
This KLM deal was found by Cheapflights users on 6/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:20 pm
ORD
- SYD
3 stops47h 10m
KLM
Tue 9/810:10 am
SYD
- ORD
3 stops43h 20m
KLM
Deal found 6/28![KLM logo]()
$3,555
This Air Canada deal was found by Cheapflights users on 7/2. 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.
Sun 8/163:40 pm
ORD
- CBR
2 stops28h 55m
Air Canada
Sun 8/236:40 pm
CBR
- ORD
2 stops34h 56m
Air Canada
Deal found 7/2![Air Canada logo]()
$1,476
This Air Canada deal was found by Cheapflights users on 6/28. 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.
Sun 10/117:45 pm
ORD
- BNE
1 stop20h 20m
Multiple Airlines
Sat 10/175:00 am
BNE
- ORD
2 stops24h 43m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$1,443
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Wed 8/2612:51 pm
ORD
- BNE
1 stop26h 39m
United Airlines
Sun 9/610:30 am
BNE
- ORD
1 stop19h 20m
United Airlines
Deal found 6/30![United Airlines logo]()
$1,604
This Air Canada deal was found by Cheapflights users on 6/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/112:15 pm
ORD
- CBR
3 stops30h 20m
Air Canada
Tue 8/186:20 am
CBR
- ORD
2 stops23h 16m
Air Canada
Deal found 6/27![Air Canada logo]()
$1,479
This Air Canada deal was found by Cheapflights users on 7/1. 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 8/252:20 pm
ORD
- OOL
3 stops30h 20m
Multiple Airlines
Mon 8/318:50 pm
OOL
- ORD
2 stops32h 46m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$1,447
This BYOjet deal was found by Cheapflights users on 6/30. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/144:20 pm
ORD
- MCY
3 stops38h 05m
Air New Zealand
Fri 8/2112:35 pm
MCY
- ORD
2 stops27h 24m
Air New Zealand
Deal found 6/30![Air New Zealand logo]()
$2,146
This United Airlines deal was found by Cheapflights users on 7/1. 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 8/2010:00 pm
ORD
- BNE
1 stop41h 30m
United Airlines
Sun 8/3010:30 am
BNE
- ORD
1 stop19h 20m
United Airlines
Deal found 7/1![United Airlines logo]()
$1,618
This FlightHub deal was found by Cheapflights users on 7/2. 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.
Mon 8/103:40 pm
ORD
- ADL
2 stops29h 40m
Air Canada
Wed 8/194:30 pm
ADL
- ORD
2 stops36h 36m
Air Canada
Deal found 7/2![Air Canada logo]()
$1,482
This Alaska Airlines deal was found by Cheapflights users on 6/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/269:20 am
ORD
- SYD
3 stops28h 05m
Alaska Airlines
Tue 1/1211:15 am
SYD
- ORD
2 stops29h 44m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$2,180
This Air Canada deal was found by Cheapflights users on 6/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:48 pm
ORD
- CNS
2 stops30h 07m
Multiple Airlines
Tue 8/186:00 am
CNS
- ORD
2 stops23h 36m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$1,452
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Tue 9/226:20 pm
ORD
- BNE
2 stops25h 10m
United Airlines
Fri 10/910:30 am
BNE
- ORD
1 stop19h 20m
United Airlines
Deal found 6/29![United Airlines logo]()
$1,618
Last-minute flights from O'Hare Intl to AustraliaDiscover last-minute flight deals from O'Hare Intl to Australia. Data last updated July 2, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Australia. Data last updated July 2, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/309:28 am
ORD
- SYD
3 stops35h 22m
Multiple Airlines
Thu 8/61:15 pm
SYD
- ORD
2 stops32h 02m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,143
This Trip.com deal was found by Cheapflights users on 7/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:20 am
ORD
- MEL
3 stops35h 40m
Multiple Airlines
Wed 8/191:25 pm
MEL
- ORD
2 stops31h 34m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$1,113
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:20 am
ORD
- SYD
3 stops35h 30m
Multiple Airlines
Wed 8/191:15 pm
SYD
- ORD
2 stops31h 44m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$989
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:20 am
ORD
- MEL
3 stops35h 40m
Multiple Airlines
Thu 8/201:30 pm
MEL
- ORD
2 stops31h 29m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,009
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:20 am
ORD
- CNS
3 stops35h 20m
Multiple Airlines
Thu 8/2012:40 pm
CNS
- ORD
2 stops32h 19m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,010
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:20 am
ORD
- SYD
3 stops35h 30m
Multiple Airlines
Thu 8/201:15 pm
SYD
- ORD
2 stops31h 44m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,016
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:20 am
ORD
- BNE
3 stops34h 20m
Multiple Airlines
Thu 8/2011:55 am
BNE
- ORD
2 stops33h 04m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,016
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:20 am
ORD
- ADL
3 stops35h 45m
Multiple Airlines
Thu 8/2012:35 pm
ADL
- ORD
2 stops31h 54m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,026
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:20 am
ORD
- OOL
3 stops35h 10m
Multiple Airlines
Thu 8/2012:30 pm
OOL
- ORD
2 stops32h 29m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,152
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/169:20 am
ORD
- SYD
3 stops35h 30m
Multiple Airlines
Sat 8/291:15 pm
SYD
- ORD
2 stops31h 44m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,055
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:20 am
ORD
- MEL
3 stops35h 40m
Multiple Airlines
Fri 8/281:30 pm
MEL
- ORD
2 stops31h 47m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,040
This Trip.com deal was found by Cheapflights users on 7/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:59 pm
ORD
- MEL
3 stops31h 01m
Multiple Airlines
Thu 8/271:30 pm
MEL
- ORD
2 stops31h 29m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$1,156
One-way flights from O'Hare Intl to AustraliaSearch for one-way flight options from O'Hare Intl to Australia. Find affordable one-way fares based on user searches. Data last updated July 2, 2026.
Search for one-way flight options from O'Hare Intl to Australia. Find affordable one-way fares based on user searches. Data last updated July 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:13 pm
ORD
- SYD
2 stops47h 37m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:13 pm
ORD
- SYD
2 stops47h 37m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$530
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:20 pm
ORD
- SYD
2 stops47h 30m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$543
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/289:57 pm
ORD
- SYD
3 stops46h 53m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$554
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1511:06 am
ORD
- SYD
3 stops56h 29m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$577
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/269:57 pm
ORD
- SYD
3 stops57h 28m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$581
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:13 pm
ORD
- SYD
3 stops58h 02m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$589
This Trip.com deal was found by Cheapflights users on 6/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/309:28 am
ORD
- MEL
2 stops35h 32m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$594
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:20 pm
ORD
- SYD
3 stops56h 50m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$595
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:57 pm
ORD
- MEL
3 stops47h 03m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$601
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/259:13 pm
ORD
- SYD
3 stops55h 22m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$608
This BusinessClass deal was found by Cheapflights users on 6/28. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:18 pm
ORD
- MEL
2 stops34h 02m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$611
Find flight deals from O'Hare Intl to Australia
Keep the following information in mind while searching for O'Hare Intl to Australia flight deals. Data was last updated July 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $989 (Trip.com) |
One-way from | $479 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,544 |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl to Australia 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 2, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Australia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Thu 8/13
9:20 am-11:35 am
3 stops35h 45m
Adelaide
Thu 8/20
12:35 pm-1:20 pm
3 stops39h 15m
$1,130
ChicagoCoolangatta
ORD - OOL
ORDOOL
Chicago O'Hare Intl
Thu 8/13
9:20 am-11:30 am
3 stops35h 10m
Coolangatta Gold Coast
Thu 8/20
12:30 pm-5:59 am
2 stops32h 29m
$1,162
ChicagoBrisbane
ORD - BNE
ORDBNE
Chicago O'Hare Intl
Fri 8/14
9:13 pm-5:00 am
1 stop40h 47m
Brisbane
Fri 8/21
8:35 pm-6:17 am
1 stop24h 42m
$1,404
ChicagoCoolangatta
ORD - OOL
ORDOOL
Chicago O'Hare Intl
Sun 8/16
3:40 pm-11:40 am
2 stops29h 00m
Coolangatta Gold Coast
Sun 8/23
8:50 pm-2:36 pm
2 stops32h 46m
$1,437
ChicagoBrisbane
ORD - BNE
ORDBNE
Chicago O'Hare Intl
Sun 10/11
7:45 pm-7:05 am
1 stop20h 20m
Brisbane
Sat 10/17
5:00 am-2:43 pm
2 stops24h 43m
$1,443
ChicagoCoolangatta
ORD - OOL
ORDOOL
Chicago O'Hare Intl
Tue 8/25
2:20 pm-11:40 am
3 stops30h 20m
Coolangatta Gold Coast
Mon 8/31
8:50 pm-2:36 pm
2 stops32h 46m
$1,447
ChicagoCairns
ORD - CNS
ORDCNS
Chicago O'Hare Intl
Tue 8/11
7:48 pm-4:55 pm
2 stops30h 07m
Cairns
Tue 8/18
6:00 am-2:36 pm
2 stops23h 36m
$1,452
ChicagoCoolangatta
ORD - OOL
ORDOOL
Chicago O'Hare Intl
Wed 8/5
2:15 pm-10:40 am
3 stops29h 25m
Coolangatta Gold Coast
Mon 8/10
6:00 am-2:36 pm
2 stops23h 36m
$1,461
ChicagoCanberra
ORD - CBR
ORDCBR
Chicago O'Hare Intl
Wed 10/14
3:40 pm-1:20 pm
2 stops29h 40m
Canberra
Mon 10/19
6:35 am-8:06 pm
2 stops29h 31m
$1,471
ChicagoBrisbane
ORD - BNE
ORDBNE
Chicago O'Hare Intl
Fri 8/14
11:05 am-7:05 am
2 stops29h 00m
Brisbane
Fri 8/21
10:00 am-8:05 pm
2 stops25h 05m
$1,473
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from O'Hare Intl to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from O'Hare Intl with our price prediction graph.
ORD-ADL
ORD-OOL
ORD-MEL
ORD-SYD
ORD-CBR
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 Chicago O'Hare Intl Airport to Australia
ORD-AU0
ORD-ADL
ORD-OOL
ORD-MEL
ORD-SYD
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Australia?
Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Australia (average of $113). Flying from Chicago O'Hare Intl Airport to Australia in July is currently the most expensive (average of $768). 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 far ahead should I book a flight from Chicago O'Hare Intl Airport to Australia?
The price you pay for your flight from Chicago O'Hare Intl Airport to Australia may vary depending on when you book. For the best chance of a lower fare, look to book 46 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Australia
Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated July 2, 2026.
Peruse reviews from past customers who have flown with Air New Zealand,Qantas Airways, andUnited Airlines from Chicago O'Hare Intl Airport to Australia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.4
Comfort
7.9
Entertainment
7.4
Overall
8.0
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Food
7.4
Comfort
7.9
Entertainment
7.4
Overall
8.0
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Food
7.4
Comfort
7.9
Entertainment
7.4
Overall
8.0
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Food
7.4
Comfort
7.9
Entertainment
7.4
Overall
8.0
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Food
7.4
Comfort
7.9
Entertainment
7.4
Overall
8.0
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Food
7.4
Comfort
7.9
Entertainment
7.4
Overall
8.0
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Australia. 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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Alternative routes for O'Hare Intl to Australia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Australia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from O'Hare Intl to Australia by cabin class
Find flights from O'Hare Intl to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
O'Hare Intl and Australia flights
Browse other O'Hare Intl and Australia flight options. Last updated on July 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Australia regions
Consider these flights traveling to Australia regions.
Top 10 airlines flying from O'Hare Intl to Australia
Discover the top 10 airlines that operate flights from O'Hare Intl to Australia. 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 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$198 | Average$1,536 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$261 | Average$1,547 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$712 | Average$1,205 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$716 | Average$1,185 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$836 | Average$1,525 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$870 | Average$1,699 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,193 | Average$1,279 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,263 | Average$1,973 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,264 | Average$1,587 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$1,560 | Average$2,003 | FlexibilityNo cancel fee | On-time72% |