$577+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
Aug 11 — Aug 181
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 12, 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 12, 2026.
This Trip.com deal was found by Cheapflights users on 7/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1410:16 am
ORD
- BNE
3 stops33h 19m
Multiple Airlines
Fri 8/2111:35 am
BNE
- ORD
2 stops33h 42m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$1,143
This Trip.com deal was found by Cheapflights users on 7/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:20 am
ORD
- BNE
3 stops34h 15m
Multiple Airlines
Wed 9/211:35 am
BNE
- ORD
2 stops33h 24m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$1,159
This Trip.com deal was found by Cheapflights users on 7/11. 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.
Tue 8/117:29 am
ORD
- MEL
3 stops37h 31m
Multiple Airlines
Thu 8/201:30 pm
MEL
- ORD
2 stops31h 29m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$1,211
This Jetabroad deal was found by Cheapflights users on 7/8. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:18 pm
ORD
- MEL
2 stops34h 02m
Multiple Airlines
Sat 8/297:30 am
MEL
- ORD
2 stops28h 46m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,227
This Trip.com deal was found by Cheapflights users on 7/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:20 am
ORD
- SYD
2 stops30h 45m
Multiple Airlines
Tue 8/259:10 am
SYD
- ORD
1 stop36h 07m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,253
This Gotogate deal was found by Cheapflights users on 7/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/274:25 pm
ORD
- SYD
1 stop25h 05m
ANA
Sun 12/69:45 pm
SYD
- ORD
1 stop26h 35m
ANA
Deal found 7/9![ANA logo]()
$1,261
This Trip.com deal was found by Cheapflights users on 7/11. 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.
Sun 8/307:05 am
ORD
- SYD
3 stops37h 45m
Multiple Airlines
Sun 9/61:15 pm
SYD
- ORD
3 stops50h 34m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$1,265
This Cheapflightsfares deal was found by Cheapflights users on 7/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:45 pm
ORD
- SYD
1 stop24h 40m
ANA
Mon 11/99:45 pm
SYD
- ORD
1 stop26h 35m
ANA
Deal found 7/10![ANA logo]()
$1,266
This Gotogate deal was found by Cheapflights users on 7/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:45 pm
ORD
- SYD
1 stop34h 25m
ANA
Mon 9/1411:45 am
SYD
- ORD
1 stop35h 55m
ANA
Deal found 7/9![ANA logo]()
$1,267
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:20 pm
ORD
- SYD
1 stop43h 10m
Multiple Airlines
Thu 8/278:45 pm
SYD
- ORD
2 stops24h 14m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,268
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 8/189:20 pm
ORD
- SYD
2 stops30h 30m
Multiple Airlines
Tue 8/255:50 pm
SYD
- ORD
1 stop27h 27m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$1,269
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:20 pm
ORD
- SYD
2 stops30h 30m
Multiple Airlines
Mon 8/245:50 pm
SYD
- ORD
1 stop27h 27m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,271
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 12, 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 12, 2026.
This Air Canada deal was found by Cheapflights users on 7/10. 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 8/243:40 pm
ORD
- AVV
2 stops31h 40m
Multiple Airlines
Mon 8/318:55 pm
AVV
- ORD
2 stops32h 41m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$1,421
This Air Canada deal was found by Cheapflights users on 7/10. 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 8/243:40 pm
ORD
- ADL
2 stops37h 15m
Air Canada
Mon 8/317:00 pm
ADL
- ORD
2 stops34h 06m
Air Canada
Deal found 7/10![Air Canada logo]()
$1,445
This Bravofly deal was found by Cheapflights users on 7/12. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:45 pm
ORD
- OOL
2 stops54h 55m
ANA
Wed 9/27:05 am
OOL
- ORD
2 stops40h 35m
ANA
Deal found 7/12![ANA logo]()
$1,472
This United Airlines deal was found by Cheapflights users on 7/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/266:25 pm
ORD
- MEL
1 stop22h 05m
United Airlines
Sat 1/1612:45 pm
MEL
- ORD
1 stop27h 00m
United Airlines
Deal found 7/10![United Airlines logo]()
$1,611
This Delta deal was found by Cheapflights users on 7/8. 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.
Thu 9/173:55 pm
ORD
- SYD
2 stops23h 55m
Delta
Sat 9/269:15 am
SYD
- ORD
2 stops23h 18m
Delta
Deal found 7/8![Delta logo]()
$1,611
This Qantas Airways deal was found by Cheapflights users on 7/10. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/248:29 am
ORD
- MEL
1 stop32h 01m
Qantas Airways
Tue 2/212:00 pm
MEL
- ORD
1 stop21h 16m
Qantas Airways
Deal found 7/10![Qantas Airways logo]()
$1,633
This Alaska Airlines deal was found by Cheapflights users on 7/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:00 am
ORD
- SYD
2 stops34h 30m
Alaska Airlines
Wed 10/146:50 pm
SYD
- ORD
3 stops27h 30m
Alaska Airlines
Deal found 7/11![Alaska Airlines logo]()
$1,734
This Turkish Airlines deal was found by Cheapflights users on 7/8. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:10 pm
ORD
- SYD
2 stops32h 00m
Turkish Airlines
Thu 8/279:05 pm
SYD
- ORD
2 stops36h 10m
Turkish Airlines
Deal found 7/8![Turkish Airlines logo]()
$1,751
This Qatar Airways deal was found by Cheapflights users on 7/10. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:20 pm
ORD
- PER
2 stops38h 50m
Qatar Airways
Mon 8/3110:45 pm
PER
- ORD
1 stop29h 20m
Qatar Airways
Deal found 7/10![Qatar Airways logo]()
$1,958
This BYOjet deal was found by Cheapflights users on 7/12. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:20 pm
ORD
- OOL
2 stops27h 25m
Air New Zealand
Wed 9/27:00 am
OOL
- ORD
3 stops31h 26m
Air New Zealand
Deal found 7/12![Air New Zealand logo]()
$1,988
This American Airlines deal was found by Cheapflights users on 7/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:16 pm
ORD
- PER
2 stops28h 59m
American Airlines
Sat 8/2910:30 am
PER
- ORD
2 stops41h 24m
American Airlines
Deal found 7/8![American Airlines logo]()
$2,056
This JetBlue deal was found by Cheapflights users on 7/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:20 pm
ORD
- BNE
1 stop31h 10m
JetBlue
Sat 8/2910:10 pm
BNE
- ORD
1 stop31h 55m
JetBlue
Deal found 7/8![JetBlue logo]()
$2,277
This Air Canada deal was found by Cheapflights users on 7/9. 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.
Mon 8/243:40 pm
ORD
- OOL
2 stops31h 00m
Multiple Airlines
Mon 8/316:35 pm
OOL
- ORD
2 stops35h 01m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$1,442
This Air Canada deal was found by Cheapflights users on 7/10. 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 8/243:40 pm
ORD
- CBR
2 stops28h 00m
Air Canada
Mon 8/316:20 am
CBR
- ORD
2 stops23h 16m
Air Canada
Deal found 7/10![Air Canada logo]()
$1,471
This FlightHub deal was found by Cheapflights users on 7/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/14:25 pm
ORD
- HBA
2 stops34h 20m
ANA
Fri 1/1512:35 pm
HBA
- ORD
2 stops35h 45m
ANA
Deal found 7/10![ANA logo]()
$1,553
This Air Canada deal was found by Cheapflights users on 7/9. 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.
Sun 8/233:40 pm
ORD
- CNS
2 stops31h 00m
Multiple Airlines
Sun 8/306:00 am
CNS
- ORD
2 stops23h 36m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$1,449
This United Airlines deal was found by Cheapflights users on 7/9. 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 12/266:15 pm
ORD
- MEL
1 stop22h 15m
United Airlines
Fri 1/1511:30 am
MEL
- ORD
2 stops22h 19m
United Airlines
Deal found 7/9![United Airlines logo]()
$1,616
This Justfly.com deal was found by Cheapflights users on 7/12. 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 Justfly.com 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 7/12![Air Canada logo]()
$1,484
This Qantas Airways deal was found by Cheapflights users on 7/10. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/256:02 pm
ORD
- BNE
1 stop20h 28m
Qantas Airways
Fri 2/51:10 pm
BNE
- ORD
1 stop22h 50m
Qantas Airways
Deal found 7/10![Qantas Airways logo]()
$1,643
This Turkish Airlines deal was found by Cheapflights users on 7/8. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:10 pm
ORD
- SYD
2 stops32h 00m
Turkish Airlines
Thu 8/279:05 pm
SYD
- ORD
2 stops36h 10m
Turkish Airlines
Deal found 7/8![Turkish Airlines logo]()
$1,751
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:48 pm
ORD
- MEL
1 stop22h 02m
Delta
Fri 8/2810:00 am
MEL
- ORD
1 stop28h 48m
Delta
Deal found 7/9![Delta logo]()
$1,756
This Air Canada deal was found by Cheapflights users on 7/12. 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 8/263:40 pm
ORD
- AVV
2 stops31h 40m
Multiple Airlines
Wed 9/28:40 pm
AVV
- ORD
2 stops32h 56m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$1,455
This Qantas Airways deal was found by Cheapflights users on 7/10. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:02 pm
ORD
- BNE
1 stop20h 28m
Qantas Airways
Tue 2/29:40 am
BNE
- ORD
1 stop21h 20m
Qantas Airways
Deal found 7/10![Qantas Airways logo]()
$1,651
This United Airlines deal was found by Cheapflights users on 7/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/239:49 pm
ORD
- BNE
1 stop41h 41m
United Airlines
Thu 2/411:40 am
BNE
- ORD
2 stops21h 09m
United Airlines
Deal found 7/10![United Airlines logo]()
$1,673
This lol.travel deal was found by Cheapflights users on 7/10. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:40 pm
ORD
- ADL
2 stops37h 15m
Air Canada
Thu 8/278:00 pm
ADL
- ORD
2 stops33h 06m
Air Canada
Deal found 7/10![Air Canada logo]()
$1,525
This Delta deal was found by Cheapflights users on 7/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:33 am
ORD
- MEL
2 stops30h 17m
Delta
Wed 9/210:00 am
MEL
- ORD
2 stops23h 19m
Delta
Deal found 7/12![Delta logo]()
$1,761
This oojo deal was found by Cheapflights users on 7/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:20 pm
ORD
- ADL
1 stop29h 10m
Qatar Airways
Mon 8/3110:00 pm
ADL
- ORD
1 stop31h 35m
Qatar Airways
Deal found 7/10![Qatar Airways logo]()
$1,984
This Mytrip deal was found by Cheapflights users on 7/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/234:45 pm
ORD
- OOL
2 stops27h 00m
Air New Zealand
Sun 8/307:00 am
OOL
- ORD
3 stops31h 05m
Air New Zealand
Deal found 7/9![Air New Zealand logo]()
$1,992
This Air Canada deal was found by Cheapflights users on 7/9. 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.
Sun 8/233:40 pm
ORD
- CBR
2 stops28h 55m
Multiple Airlines
Sun 8/306:45 pm
CBR
- ORD
2 stops34h 51m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$1,501
This United Airlines deal was found by Cheapflights users on 7/12. 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.
Mon 12/287:50 pm
ORD
- MEL
1 stop44h 40m
United Airlines
Wed 1/1311:30 am
MEL
- ORD
1 stop20h 07m
United Airlines
Deal found 7/12![United Airlines logo]()
$1,699
Last-minute flights from O'Hare Intl to AustraliaDiscover last-minute flight deals from O'Hare Intl to Australia. Data last updated July 12, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Australia. Data last updated July 12, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 7/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:20 am
ORD
- SYD
2 stops30h 45m
Multiple Airlines
Tue 8/259:10 am
SYD
- ORD
1 stop36h 07m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,253
This Trip.com deal was found by Cheapflights users on 7/11. 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.
Tue 8/117:29 am
ORD
- MEL
3 stops37h 31m
Multiple Airlines
Thu 8/201:30 pm
MEL
- ORD
2 stops31h 29m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$1,211
This Trip.com deal was found by Cheapflights users on 7/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1410:16 am
ORD
- BNE
3 stops33h 19m
Multiple Airlines
Fri 8/2111:35 am
BNE
- ORD
2 stops33h 42m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$1,143
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 8/189:20 pm
ORD
- SYD
2 stops30h 30m
Multiple Airlines
Tue 8/255:50 pm
SYD
- ORD
1 stop27h 27m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$1,269
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:20 pm
ORD
- SYD
2 stops30h 30m
Multiple Airlines
Mon 8/245:50 pm
SYD
- ORD
1 stop27h 27m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,271
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:20 pm
ORD
- SYD
1 stop43h 10m
Multiple Airlines
Thu 8/278:45 pm
SYD
- ORD
2 stops24h 14m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,268
This Jetabroad deal was found by Cheapflights users on 7/8. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:18 pm
ORD
- MEL
2 stops34h 02m
Multiple Airlines
Sat 8/297:30 am
MEL
- ORD
2 stops28h 46m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,227
This Trip.com deal was found by Cheapflights users on 7/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:20 am
ORD
- BNE
3 stops34h 15m
Multiple Airlines
Wed 9/211:35 am
BNE
- ORD
2 stops33h 24m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$1,159
This FlightHub deal was found by Cheapflights users on 7/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:50 pm
ORD
- SYD
2 stops32h 20m
ANA
Tue 9/811:45 am
SYD
- ORD
1 stop35h 55m
ANA
Deal found 7/8![ANA logo]()
$1,272
This Gotogate deal was found by Cheapflights users on 7/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:45 pm
ORD
- SYD
1 stop34h 25m
ANA
Mon 9/1411:45 am
SYD
- ORD
1 stop35h 55m
ANA
Deal found 7/9![ANA logo]()
$1,267
This Trip.com deal was found by Cheapflights users on 7/11. 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.
Sun 8/307:05 am
ORD
- SYD
3 stops37h 45m
Multiple Airlines
Sun 9/61:15 pm
SYD
- ORD
3 stops50h 34m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$1,265
This Flighttix deal was found by Cheapflights users on 7/12. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:50 pm
ORD
- SYD
2 stops46h 35m
ANA
Mon 9/1411:45 am
SYD
- ORD
1 stop35h 55m
ANA
Deal found 7/12![ANA logo]()
$1,274
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 12, 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 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:20 pm
ORD
- MEL
1 stop42h 25m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$577
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:20 pm
ORD
- SYD
1 stop43h 10m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$579
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:20 pm
ORD
- BNE
1 stop40h 40m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$579
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:20 pm
ORD
- MEL
1 stop42h 25m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$588
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 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
1 stop43h 10m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$588
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:20 pm
ORD
- MEL
1 stop42h 25m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$605
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:20 pm
ORD
- SYD
1 stop43h 10m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$605
This BusinessClass deal was found by Cheapflights users on 7/8. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:18 pm
ORD
- MEL
2 stops34h 02m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$617
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:20 pm
ORD
- SYD
2 stops54h 50m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$626
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:28 am
ORD
- AVV
3 stops38h 52m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$631
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:20 pm
ORD
- MEL
3 stops58h 50m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$635
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:20 pm
ORD
- AVV
2 stops49h 50m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$637
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 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,143 (Trip.com) |
One-way from | $577 (Kiwi.com) |
Popular in | September |
Cheapest in | February |
Average price | $1,569 |
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 12, 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
ChicagoMelbourne
ORD - AVV
ORDAVV
Chicago O'Hare Intl
Mon 8/24
3:40 pm-2:20 pm
2 stops31h 40m
Melbourne Avalon
Mon 8/31
8:55 pm-2:36 pm
2 stops32h 41m
$1,421
ChicagoCoolangatta
ORD - OOL
ORDOOL
Chicago O'Hare Intl
Mon 8/24
3:40 pm-1:40 pm
2 stops31h 00m
Coolangatta Gold Coast
Mon 8/31
6:35 pm-2:36 pm
2 stops35h 01m
$1,442
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Mon 8/24
3:40 pm-7:25 pm
2 stops37h 15m
Adelaide
Mon 8/31
7:00 pm-2:36 pm
2 stops34h 06m
$1,445
ChicagoCairns
ORD - CNS
ORDCNS
Chicago O'Hare Intl
Sun 8/23
3:40 pm-1:40 pm
2 stops31h 00m
Cairns
Sun 8/30
6:00 am-2:36 pm
2 stops23h 36m
$1,449
ChicagoMelbourne
ORD - AVV
ORDAVV
Chicago O'Hare Intl
Wed 8/26
3:40 pm-2:20 pm
2 stops31h 40m
Melbourne Avalon
Wed 9/2
8:40 pm-2:36 pm
2 stops32h 56m
$1,455
ChicagoCanberra
ORD - CBR
ORDCBR
Chicago O'Hare Intl
Mon 8/24
3:40 pm-10:40 am
2 stops28h 00m
Canberra
Mon 8/31
6:20 am-2:36 pm
2 stops23h 16m
$1,471
ChicagoCoolangatta
ORD - OOL
ORDOOL
Chicago O'Hare Intl
Wed 8/26
5:45 pm-3:40 pm
2 stops54h 55m
Coolangatta Gold Coast
Wed 9/2
7:05 am-8:40 am
2 stops40h 35m
$1,472
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Mon 8/10
3:40 pm-11:50 am
2 stops29h 40m
Adelaide
Wed 8/19
4:30 pm-2:36 pm
2 stops36h 36m
$1,484
ChicagoCanberra
ORD - CBR
ORDCBR
Chicago O'Hare Intl
Sun 8/23
3:40 pm-11:35 am
2 stops28h 55m
Canberra
Sun 8/30
6:45 pm-2:36 pm
2 stops34h 51m
$1,501
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Thu 8/20
3:40 pm-7:25 pm
2 stops37h 15m
Adelaide
Thu 8/27
8:00 pm-2:36 pm
2 stops33h 06m
$1,525
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-BNE
ORD-MEL
ORD-ADL
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-BNE
ORD-MEL
ORD-ADL
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 24 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 12, 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.
Boarding
8.2
Crew
8.5
Comfort
8.0
Food
7.5
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Boarding
8.2
Crew
8.5
Comfort
8.0
Food
7.5
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Boarding
8.2
Crew
8.5
Comfort
8.0
Food
7.5
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Boarding
8.2
Crew
8.5
Comfort
8.0
Food
7.5
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Boarding
8.2
Crew
8.5
Comfort
8.0
Food
7.5
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Boarding
8.2
Crew
8.5
Comfort
8.0
Food
7.5
Overall
8.0
Entertainment
7.5
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 12, 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 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$261 | Average$1,131 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$712 | Average$1,207 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$716 | Average$1,185 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$837 | Average$1,526 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$837 | Average$1,537 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$870 | Average$1,699 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,209 | Average$1,288 | 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% |