$528+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
Jul 16 — Jul 231
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 June 16, 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 June 16, 2026.
This oojo deal was found by Cheapflights users on 6/13. 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.
Thu 12/106:17 pm
ORD
- MEL
2 stops29h 58m
Qantas Airways
Thu 1/711:15 pm
MEL
- ORD
1 stop32h 42m
Qantas Airways
Deal found 6/13![Qantas Airways logo]()
$1,199
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:20 am
ORD
- MEL
3 stops37h 40m
Multiple Airlines
Fri 7/311:30 pm
MEL
- ORD
2 stops31h 47m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,243
This KAYAK deal was found by Cheapflights users on 6/13. 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.
Wed 8/265:45 pm
ORD
- SYD
1 stop34h 25m
ANA
Tue 9/111:45 am
SYD
- ORD
2 stops32h 00m
ANA
Deal found 6/13![ANA logo]()
$1,305
This ANA deal was found by Cheapflights users on 6/13. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:50 pm
ORD
- SYD
2 stops32h 20m
ANA
Tue 9/811:45 am
SYD
- ORD
2 stops32h 00m
ANA
Deal found 6/13![ANA logo]()
$1,308
This KAYAK deal was found by Cheapflights users on 6/15. 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 11/124:25 pm
ORD
- SYD
1 stop34h 50m
ANA
Tue 11/2412:25 pm
SYD
- ORD
2 stops42h 47m
ANA
Deal found 6/15![ANA logo]()
$1,309
This KAYAK deal was found by Cheapflights users on 6/15. 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.
Sun 11/88:00 pm
ORD
- SYD
2 stops31h 15m
ANA
Sun 11/2212:25 pm
SYD
- ORD
2 stops42h 47m
ANA
Deal found 6/15![ANA logo]()
$1,313
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/89:13 pm
ORD
- SYD
1 stop43h 17m
Multiple Airlines
Mon 8/175:50 pm
SYD
- ORD
1 stop27h 27m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,314
This KAYAK deal was found by Cheapflights users on 6/14. 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.
Fri 8/215:45 pm
ORD
- SYD
1 stop34h 25m
ANA
Tue 9/111:45 am
SYD
- ORD
2 stops47h 48m
ANA
Deal found 6/14![ANA logo]()
$1,316
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:45 pm
ORD
- SYD
1 stop24h 40m
ANA
Tue 9/111:45 am
SYD
- ORD
2 stops47h 41m
ANA
Deal found 6/11![ANA logo]()
$1,317
This KAYAK deal was found by Cheapflights users on 6/14. 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.
Sun 8/1611:50 am
ORD
- SYD
1 stop40h 20m
ANA
Sun 8/238:55 pm
SYD
- ORD
2 stops34h 46m
ANA
Deal found 6/14![ANA logo]()
$1,318
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Thu 7/29:13 pm
ORD
- MEL
1 stop42h 32m
Multiple Airlines
Sat 7/259:45 am
MEL
- ORD
1 stop35h 32m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$1,320
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 8/79:13 pm
ORD
- SYD
1 stop43h 17m
Multiple Airlines
Sat 8/155:50 pm
SYD
- ORD
1 stop27h 27m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$1,322
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 June 16, 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 June 16, 2026.
This Air Canada deal was found by Cheapflights users on 6/13. 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 9/73:40 pm
ORD
- BNE
1 stop24h 25m
Multiple Airlines
Sat 9/128:45 pm
BNE
- ORD
2 stops32h 58m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$1,423
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.
Mon 8/33:40 pm
ORD
- MEL
2 stops28h 40m
Air Canada
Tue 8/186:00 am
MEL
- ORD
2 stops23h 36m
Air Canada
Deal found 6/11![Air Canada logo]()
$1,445
This United Airlines deal was found by Cheapflights users on 6/14. 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 8/64:12 pm
ORD
- MEL
2 stops25h 03m
United Airlines
Wed 8/199:30 am
MEL
- ORD
2 stops24h 00m
United Airlines
Deal found 6/14![United Airlines logo]()
$1,595
This Delta deal was found by Cheapflights users on 6/13. 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 33m
Delta
Deal found 6/13![Delta logo]()
$1,612
This oojo deal was found by Cheapflights users on 6/12. 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 8/49:35 pm
ORD
- ADL
2 stops46h 50m
Air New Zealand
Tue 8/186:30 pm
ADL
- ORD
2 stops40h 33m
Air New Zealand
Deal found 6/12![Air New Zealand logo]()
$1,633
This Japan Airlines 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:30 pm
ORD
- SYD
1 stop24h 50m
Japan Airlines
Tue 9/18:55 am
SYD
- ORD
1 stop40h 50m
Japan Airlines
Deal found 6/11![Japan Airlines logo]()
$1,752
This oojo deal was found by Cheapflights users on 6/15. 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.
Thu 7/305:10 pm
ORD
- ADL
2 stops28h 15m
Qantas Airways
Thu 8/611:50 am
ADL
- ORD
2 stops26h 10m
Qantas Airways
Deal found 6/15![Qantas Airways logo]()
$1,904
This Qatar Airways deal was found by Cheapflights users on 6/15. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:20 pm
ORD
- PER
2 stops38h 50m
Qatar Airways
Tue 8/2510:45 pm
PER
- ORD
1 stop29h 20m
Qatar Airways
Deal found 6/15![Qatar Airways logo]()
$1,934
This ANA deal was found by Cheapflights users on 6/12. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:30 am
ORD
- PER
1 stop43h 40m
ANA
Tue 12/159:55 pm
PER
- ORD
2 stops34h 59m
ANA
Deal found 6/12![ANA logo]()
$2,245
This lol.travel deal was found by Cheapflights users on 6/14. 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 7/293:40 pm
ORD
- OOL
2 stops28h 00m
Air Canada
Wed 8/56:00 am
OOL
- ORD
2 stops23h 36m
Air Canada
Deal found 6/14![Air Canada logo]()
$1,455
This Air Canada deal was found by Cheapflights users on 6/13. 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 9/82:15 pm
ORD
- OOL
3 stops30h 25m
Multiple Airlines
Tue 9/296:35 pm
OOL
- ORD
3 stops42h 31m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$1,458
This KLM deal was found by Cheapflights users on 6/13. 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.
Mon 9/74:50 pm
ORD
- BNE
3 stops45h 55m
KLM
Sat 9/127:25 am
BNE
- ORD
3 stops45h 50m
KLM
Deal found 6/13![KLM logo]()
$3,034
This United Airlines deal was found by Cheapflights users on 6/13. 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 11/272:21 pm
ORD
- MEL
1 stop26h 39m
United Airlines
Mon 12/1411:30 am
MEL
- ORD
1 stop20h 07m
United Airlines
Deal found 6/13![United Airlines logo]()
$1,600
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 7/157:20 am
ORD
- SYD
2 stops33h 10m
Alaska Airlines
Wed 7/225:50 pm
SYD
- ORD
3 stops27h 30m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$3,202
This Delta deal was found by Cheapflights users on 6/13. 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.
Sun 11/227:05 am
ORD
- MEL
2 stops33h 45m
Delta
Mon 11/3012:00 pm
MEL
- ORD
1 stop22h 21m
Delta
Deal found 6/13![Delta logo]()
$1,612
This FlightHub deal was found by Cheapflights users on 6/16. 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 stops31h 45m
Air Canada
Wed 8/196:55 pm
ADL
- ORD
2 stops34h 11m
Air Canada
Deal found 6/16![Air Canada logo]()
$1,487
This oojo deal was found by Cheapflights users on 6/16. 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 7/317:30 am
ORD
- OOL
2 stops36h 15m
Air New Zealand
Fri 8/711:55 am
OOL
- ORD
2 stops26h 21m
Air New Zealand
Deal found 6/16![Air New Zealand logo]()
$1,690
This FlightHub deal was found by Cheapflights users on 6/14. 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 11/173:40 pm
ORD
- AVV
2 stops30h 55m
Multiple Airlines
Sun 11/296:00 am
AVV
- ORD
2 stops25h 41m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,562
This United Airlines deal was found by Cheapflights users on 6/12. 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 8/66:20 pm
ORD
- MEL
1 stop22h 55m
United Airlines
Fri 8/149:30 am
MEL
- ORD
1 stop24h 30m
United Airlines
Deal found 6/12![United Airlines logo]()
$1,600
This lol.travel deal was found by Cheapflights users on 6/14. 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.
Fri 8/143:40 pm
ORD
- ADL
2 stops29h 00m
Air Canada
Mon 8/248:00 pm
ADL
- ORD
2 stops33h 06m
Air Canada
Deal found 6/14![Air Canada logo]()
$1,492
This Emirates deal was found by Cheapflights users on 6/15. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:35 pm
ORD
- CNS
2 stops69h 05m
Emirates
Thu 8/61:40 pm
CNS
- ORD
2 stops41h 05m
Emirates
Deal found 6/15![Emirates logo]()
$3,782
This United Airlines deal was found by Cheapflights users on 6/14. 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 11/193:51 pm
ORD
- MEL
2 stops25h 09m
United Airlines
Fri 11/271:00 pm
MEL
- ORD
1 stop21h 04m
United Airlines
Deal found 6/14![United Airlines logo]()
$1,600
This oojo deal was found by Cheapflights users on 6/15. 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 8/107:20 pm
ORD
- ADL
2 stops46h 15m
Qatar Airways
Wed 8/1910:00 pm
ADL
- ORD
1 stop31h 35m
Qatar Airways
Deal found 6/15![Qatar Airways logo]()
$1,942
This Jetabroad deal was found by Cheapflights users on 6/13. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/154:25 pm
ORD
- HBA
2 stops47h 40m
Multiple Airlines
Sun 12/65:50 pm
HBA
- ORD
2 stops37h 00m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$1,669
This BusinessClass deal was found by Cheapflights users on 6/15. 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.
Thu 7/309:35 pm
ORD
- LST
3 stops50h 25m
Air New Zealand
Thu 8/63:40 pm
LST
- ORD
2 stops42h 25m
Air New Zealand
Deal found 6/15![Air New Zealand logo]()
$1,926
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/33:47 pm
ORD
- MEL
1 stop24h 43m
United Airlines
Tue 8/1810:55 am
MEL
- ORD
1 stop29h 04m
United Airlines
Deal found 6/11![United Airlines logo]()
$1,601
This Qatar Airways deal was found by Cheapflights users on 6/14. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:20 pm
ORD
- BNE
2 stops49h 00m
Qatar Airways
Fri 8/218:55 am
BNE
- ORD
2 stops45h 10m
Qatar Airways
Deal found 6/14![Qatar Airways logo]()
$1,983
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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.
Tue 8/253:43 pm
ORD
- SYD
2 stops36h 07m
Multiple Airlines
Tue 9/18:45 pm
SYD
- ORD
3 stops24h 35m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,696
This Air Canada deal was found by Cheapflights users on 6/13. 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 7/73:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Wed 7/2210:00 am
BNE
- ORD
1 stop19h 36m
Air Canada
Deal found 6/13![Air Canada logo]()
$1,742
This United Airlines deal was found by Cheapflights users on 6/14. 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 9/196:20 pm
ORD
- MEL
1 stop22h 55m
United Airlines
Sun 10/1110:30 am
MEL
- ORD
2 stops24h 00m
United Airlines
Deal found 6/14![United Airlines logo]()
$1,605
Last-minute flights from O'Hare Intl to AustraliaDiscover last-minute flight deals from O'Hare Intl to Australia. Data last updated June 16, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Australia. Data last updated June 16, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 6/13. 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 6/153:40 pm
ORD
- SYD
1 stop24h 40m
Air Canada
Wed 7/19:20 am
SYD
- ORD
1 stop20h 16m
Air Canada
Deal found 6/13![Air Canada logo]()
$1,402
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/213:40 pm
ORD
- SYD
1 stop24h 40m
Air Canada
Tue 7/79:20 am
SYD
- ORD
1 stop20h 16m
Air Canada
Deal found 6/11![Air Canada logo]()
$1,323
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:20 am
ORD
- MEL
3 stops37h 40m
Multiple Airlines
Fri 7/311:30 pm
MEL
- ORD
2 stops31h 47m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,243
This Air Canada deal was found by Cheapflights users on 6/12. 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 7/13:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Tue 7/710:15 am
BNE
- ORD
1 stop19h 21m
Air Canada
Deal found 6/12![Air Canada logo]()
$1,394
This lol.travel deal was found by Cheapflights users on 6/15. 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 7/112:56 pm
ORD
- SYD
2 stops27h 24m
Air Canada
Tue 7/149:20 am
SYD
- ORD
1 stop20h 16m
Air Canada
Deal found 6/15![Air Canada logo]()
$1,403
This Air Canada deal was found by Cheapflights users on 6/15. 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 7/112:56 pm
ORD
- SYD
2 stops27h 24m
Air Canada
Wed 7/159:20 am
SYD
- ORD
2 stops25h 45m
Air Canada
Deal found 6/15![Air Canada logo]()
$1,406
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Thu 7/29:13 pm
ORD
- MEL
1 stop42h 32m
Multiple Airlines
Sat 7/259:45 am
MEL
- ORD
1 stop35h 32m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$1,320
This Air Canada deal was found by Cheapflights users on 6/12. 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 7/53:40 pm
ORD
- SYD
1 stop24h 40m
Air Canada
Wed 7/299:20 am
SYD
- ORD
1 stop20h 16m
Air Canada
Deal found 6/12![Air Canada logo]()
$1,396
This FlightHub deal was found by Cheapflights users on 6/15. 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 7/69:14 am
ORD
- BNE
2 stops30h 51m
Air Canada
Mon 9/2110:00 am
BNE
- ORD
2 stops38h 43m
Air Canada
Deal found 6/15![Air Canada logo]()
$1,391
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 7/289:28 am
ORD
- SYD
2 stops45h 42m
Multiple Airlines
Tue 8/45:50 pm
SYD
- ORD
1 stop27h 27m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,374
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/296:00 am
ORD
- MEL
2 stops33h 45m
Multiple Airlines
Wed 8/59:45 am
MEL
- ORD
1 stop35h 32m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,401
This Trip.com deal was found by Cheapflights users on 6/15. 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 8/66:15 am
SYD
- ORD
3 stops38h 22m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,347
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 June 16, 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 June 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 8/79:13 pm
ORD
- SYD
2 stops47h 37m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$528
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Mon 8/109:13 pm
ORD
- SYD
2 stops47h 37m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$538
This Kiwi.com 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 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
1 stop43h 17m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$554
This BusinessClass deal was found by Cheapflights users on 6/16. 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 6/16![Multiple Airlines logo]()
$611
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 8/219:07 pm
ORD
- MEL
3 stops59h 18m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$619
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Mon 7/279:57 pm
ORD
- SYD
3 stops46h 53m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$623
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 8/219:07 pm
ORD
- AVV
3 stops51h 13m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$638
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 9/1310:40 pm
ORD
- SYD
3 stops43h 45m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$645
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:20 am
ORD
- BNE
2 stops30h 40m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$646
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 8/189:07 pm
ORD
- BNE
1 stop40h 53m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$653
This Trip.com deal was found by Cheapflights users on 6/13. 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 8/259:07 pm
ORD
- SYD
2 stops55h 03m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$656
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:31 am
ORD
- MEL
2 stops30h 59m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$661
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 June 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,199 (oojo) |
One-way from | $528 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,384 |
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 June 16, 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
ChicagoBrisbane
ORD - BNE
ORDBNE
Chicago O'Hare Intl
Mon 9/7
3:40 pm-7:05 am
1 stop24h 25m
Brisbane
Sat 9/12
8:45 pm-2:43 pm
2 stops32h 58m
$1,423
ChicagoMelbourne
ORD - MEL
ORDMEL
Chicago O'Hare Intl
Mon 8/3
3:40 pm-11:20 am
2 stops28h 40m
Melbourne
Tue 8/18
6:00 am-2:36 pm
2 stops23h 36m
$1,445
ChicagoCoolangatta
ORD - OOL
ORDOOL
Chicago O'Hare Intl
Wed 7/29
3:40 pm-10:40 am
2 stops28h 00m
Coolangatta Gold Coast
Wed 8/5
6:00 am-2:36 pm
2 stops23h 36m
$1,455
ChicagoCoolangatta
ORD - OOL
ORDOOL
Chicago O'Hare Intl
Tue 9/8
2:15 pm-11:40 am
3 stops30h 25m
Coolangatta Gold Coast
Tue 9/29
6:35 pm-10:06 pm
3 stops42h 31m
$1,458
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Mon 8/10
3:40 pm-1:55 pm
2 stops31h 45m
Adelaide
Wed 8/19
6:55 pm-2:36 pm
2 stops34h 11m
$1,487
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Fri 8/14
3:40 pm-11:10 am
2 stops29h 00m
Adelaide
Mon 8/24
8:00 pm-2:36 pm
2 stops33h 06m
$1,492
ChicagoMelbourne
ORD - AVV
ORDAVV
Chicago O'Hare Intl
Tue 11/17
3:40 pm-3:35 pm
2 stops30h 55m
Melbourne Avalon
Sun 11/29
6:00 am-2:41 pm
2 stops25h 41m
$1,562
ChicagoMelbourne
ORD - MEL
ORDMEL
Chicago O'Hare Intl
Thu 8/6
4:12 pm-8:15 am
2 stops25h 03m
Melbourne
Wed 8/19
9:30 am-6:30 pm
2 stops24h 00m
$1,595
ChicagoMelbourne
ORD - MEL
ORDMEL
Chicago O'Hare Intl
Fri 11/27
2:21 pm-10:00 am
1 stop26h 39m
Melbourne
Mon 12/14
11:30 am-2:37 pm
1 stop20h 07m
$1,600
ChicagoMelbourne
ORD - MEL
ORDMEL
Chicago O'Hare Intl
Thu 8/6
6:20 pm-8:15 am
1 stop22h 55m
Melbourne
Fri 8/14
9:30 am-7:00 pm
1 stop24h 30m
$1,600
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-SYD
ORD-MEL
ORD-AVV
ORD-BNE
ORD-PER
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-SYD
ORD-MEL
ORD-AVV
ORD-BNE
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 June 16, 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.
Entertainment
7.4
Boarding
8.2
Crew
8.5
Food
7.4
Overall
8.0
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Entertainment
7.4
Boarding
8.2
Crew
8.5
Food
7.4
Overall
8.0
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Entertainment
7.4
Boarding
8.2
Crew
8.5
Food
7.4
Overall
8.0
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Entertainment
7.4
Boarding
8.2
Crew
8.5
Food
7.4
Overall
8.0
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Entertainment
7.4
Boarding
8.2
Crew
8.5
Food
7.4
Overall
8.0
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Entertainment
7.4
Boarding
8.2
Crew
8.5
Food
7.4
Overall
8.0
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - 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
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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 June 16, 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 June 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$198 | Average$1,537 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$261 | Average$1,547 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$712 | Average$1,137 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$716 | Average$1,169 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$836 | Average$1,525 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$870 | Average$1,700 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,193 | Average$1,288 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,263 | Average$1,762 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,264 | Average$1,566 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$1,560 | Average$1,973 | FlexibilityNo cancel fee | On-time72% |