$599+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
Aug 22 — Aug 291
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from O'Hare Intl to Australia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from O'Hare Intl to Australia
Cheapest
Best
Last-minute
One-way
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 23, 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 23, 2026.
This Air Canada deal was found by Cheapflights users on 7/22. 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 8/93:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Tue 8/2510:15 am
BNE
- ORD
1 stop19h 21m
Air Canada
Deal found 7/22![Air Canada logo]()
$1,081
This Orbitz deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Mon 8/3110:00 am
BNE
- ORD
1 stop19h 36m
Air Canada
Deal found 7/21![Air Canada logo]()
$1,082
This Air Canada deal was found by Cheapflights users on 7/22. 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 8/411:05 am
ORD
- BNE
2 stops29h 00m
Air Canada
Wed 10/1410:00 am
BNE
- ORD
1 stop19h 43m
Air Canada
Deal found 7/22![Air Canada logo]()
$1,085
This oojo deal was found by Cheapflights users on 7/22. 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 8/102:57 pm
ORD
- MEL
1 stop23h 03m
Qantas Airways
Mon 8/171:35 pm
MEL
- ORD
1 stop21h 55m
Qantas Airways
Deal found 7/22![Qantas Airways logo]()
$1,092
This FlightHub deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:48 pm
ORD
- BNE
1 stop20h 17m
Air Canada
Sun 8/3010:00 am
BNE
- ORD
2 stops38h 35m
Air Canada
Deal found 7/22![Air Canada logo]()
$1,092
This FlightHub deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:48 pm
ORD
- BNE
1 stop20h 17m
Air Canada
Mon 9/710:00 am
BNE
- ORD
2 stops36h 51m
Air Canada
Deal found 7/22![Air Canada logo]()
$1,095
This Justfly.com deal was found by Cheapflights users on 7/22. 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 9/214:26 pm
ORD
- BNE
2 stops23h 39m
Air Canada
Sun 10/410:00 am
BNE
- ORD
2 stops25h 12m
Air Canada
Deal found 7/22![Air Canada logo]()
$1,099
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:16 pm
ORD
- MEL
1 stop22h 29m
American Airlines
Sun 8/2311:30 am
MEL
- ORD
1 stop27h 00m
American Airlines
Deal found 7/22![American Airlines logo]()
$1,107
This FlightHub deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
ORD
- BNE
2 stops34h 05m
Air Canada
Sun 9/2010:00 am
BNE
- ORD
2 stops38h 35m
Air Canada
Deal found 7/22![Air Canada logo]()
$1,109
This lol.travel deal was found by Cheapflights users on 7/22. 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.
Mon 8/102:15 pm
ORD
- MEL
3 stops29h 50m
Air Canada
Sun 8/238:45 pm
MEL
- ORD
3 stops38h 07m
Air Canada
Deal found 7/22![Air Canada logo]()
$1,111
This Air Canada deal was found by Cheapflights users on 7/22. 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 9/228:49 am
ORD
- BNE
1 stop31h 16m
Air Canada
Sun 10/410:00 am
BNE
- ORD
2 stops34h 59m
Air Canada
Deal found 7/22![Air Canada logo]()
$1,111
This Air Canada deal was found by Cheapflights users on 7/22. 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 9/77:48 pm
ORD
- BNE
1 stop20h 17m
Multiple Airlines
Sat 9/128:45 pm
BNE
- ORD
2 stops32h 58m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$1,112
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 23, 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 23, 2026.
This FlightHub deal was found by Cheapflights users on 7/22. 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 10/168:45 am
ORD
- BNE
2 stops31h 20m
Air Canada
Sun 10/259:45 am
BNE
- ORD
2 stops34h 03m
Air Canada
Deal found 7/22![Air Canada logo]()
$1,119
This United Airlines deal was found by Cheapflights users on 7/22. 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 9/231:58 pm
ORD
- MEL
1 stop26h 32m
United Airlines
Tue 9/2910:55 am
MEL
- ORD
1 stop29h 04m
United Airlines
Deal found 7/22![United Airlines logo]()
$1,140
This Air Canada deal was found by Cheapflights users on 7/22. 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 10/1611:05 am
ORD
- BNE
2 stops29h 00m
Multiple Airlines
Sat 10/247:40 pm
BNE
- ORD
3 stops39h 33m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$1,160
This oojo deal was found by Cheapflights users on 7/20. 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 8/135:16 pm
ORD
- BNE
1 stop20h 44m
Qantas Airways
Sun 8/238:35 pm
BNE
- ORD
1 stop34h 19m
Qantas Airways
Deal found 7/20![Qantas Airways logo]()
$1,169
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Thu 8/202:57 pm
ORD
- MEL
2 stops24h 48m
American Airlines
Thu 8/279:45 am
MEL
- ORD
2 stops23h 31m
American Airlines
Deal found 7/22![American Airlines logo]()
$1,222
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Fri 9/188:00 am
ORD
- SYD
2 stops32h 30m
Alaska Airlines
Wed 9/305:50 pm
SYD
- ORD
3 stops27h 30m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$1,719
This oojo deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:20 pm
ORD
- ADL
1 stop29h 10m
Qatar Airways
Mon 9/146:50 pm
ADL
- ORD
2 stops34h 45m
Qatar Airways
Deal found 7/19![Qatar Airways logo]()
$1,743
This FlightHub deal was found by Cheapflights users on 7/18. 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.
Sat 8/295:53 pm
ORD
- OOL
2 stops25h 52m
Air New Zealand
Sat 12/1210:55 am
OOL
- ORD
2 stops23h 59m
Air New Zealand
Deal found 7/18![Air New Zealand logo]()
$1,848
This lol.travel deal was found by Cheapflights users on 7/20. 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 8/167:20 pm
ORD
- ADL
1 stop29h 10m
JetBlue
Tue 9/110:00 pm
ADL
- ORD
1 stop31h 35m
JetBlue
Deal found 7/20![JetBlue logo]()
$2,052
This United Airlines deal was found by Cheapflights users on 7/22. 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 9/110:00 pm
ORD
- MEL
2 stops42h 30m
United Airlines
Wed 9/1610:55 am
MEL
- ORD
1 stop22h 37m
United Airlines
Deal found 7/22![United Airlines logo]()
$1,144
This Priceline deal was found by Cheapflights users on 7/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:45 pm
ORD
- BNE
1 stop20h 20m
Air Canada
Sat 10/246:05 pm
BNE
- ORD
2 stops35h 32m
Air Canada
Deal found 7/22![Air Canada logo]()
$1,152
This oojo deal was found by Cheapflights users on 7/22. 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 8/203:22 pm
ORD
- MEL
1 stop24h 23m
Qantas Airways
Thu 8/279:45 am
MEL
- ORD
1 stop21h 09m
Qantas Airways
Deal found 7/22![Qantas Airways logo]()
$1,189
This oojo deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:20 pm
ORD
- AVV
2 stops31h 50m
Multiple Airlines
Wed 9/166:00 am
AVV
- ORD
2 stops32h 30m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$1,253
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/196:20 pm
ORD
- BNE
1 stop21h 10m
United Airlines
Sun 8/3010:30 am
BNE
- ORD
2 stops21h 35m
United Airlines
Deal found 7/21![United Airlines logo]()
$1,144
This oojo deal was found by Cheapflights users on 7/21. 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 8/102:57 pm
ORD
- ADL
2 stops27h 58m
Qantas Airways
Wed 8/1910:10 am
ADL
- ORD
2 stops24h 02m
Qantas Airways
Deal found 7/21![Qantas Airways logo]()
$1,236
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:25 am
ORD
- MEL
1 stop31h 05m
United Airlines
Sat 10/3111:10 am
MEL
- ORD
2 stops46h 21m
United Airlines
Deal found 7/21![United Airlines logo]()
$1,156
This KLM deal was found by Cheapflights users on 7/21. 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 9/144:50 pm
ORD
- SYD
3 stops46h 40m
KLM
Fri 9/182:45 pm
SYD
- ORD
2 stops38h 30m
KLM
Deal found 7/21![KLM logo]()
$3,054
This United deal was found by Cheapflights users on 7/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:03 pm
ORD
- HBA
2 stops32h 02m
Multiple Airlines
Fri 9/116:25 am
HBA
- ORD
2 stops27h 40m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$1,406
This United Airlines deal was found by Cheapflights users on 7/22. 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 9/26:20 pm
ORD
- BNE
1 stop21h 10m
United Airlines
Sat 9/195:05 pm
BNE
- ORD
2 stops39h 00m
United Airlines
Deal found 7/22![United Airlines logo]()
$1,163
This Priceline deal was found by Cheapflights users on 7/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/172:15 pm
ORD
- ADL
3 stops33h 10m
Air Canada
Mon 8/248:00 pm
ADL
- ORD
3 stops50h 30m
Air Canada
Deal found 7/18![Air Canada logo]()
$1,464
This Qantas Airways deal was found by Cheapflights users on 7/20. 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.
Sat 8/297:00 pm
ORD
- MEL
2 stops24h 35m
Qantas Airways
Sun 9/69:45 am
MEL
- ORD
1 stop23h 02m
Qantas Airways
Deal found 7/20![Qantas Airways logo]()
$1,364
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/193:35 pm
ORD
- BNE
1 stop23h 55m
United Airlines
Fri 8/2810:30 am
BNE
- ORD
1 stop21h 06m
United Airlines
Deal found 7/21![United Airlines logo]()
$1,190
This Qantas Airways deal was found by Cheapflights users on 7/21. 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.
Sun 11/153:52 pm
ORD
- HBA
2 stops25h 53m
Multiple Airlines
Sun 12/66:00 am
HBA
- ORD
3 stops27h 51m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$1,480
This Priceline deal was found by Cheapflights users on 7/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:40 pm
ORD
- ADL
2 stops35h 00m
Air Canada
Wed 11/116:10 am
ADL
- ORD
2 stops30h 21m
Air Canada
Deal found 7/19![Air Canada logo]()
$1,480
This Qatar Airways deal was found by Cheapflights users on 7/21. 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 10/227:20 pm
ORD
- PER
1 stop34h 15m
Qatar Airways
Tue 10/271:20 pm
PER
- ORD
2 stops39h 10m
Qatar Airways
Deal found 7/21![Qatar Airways logo]()
$1,838
This Qantas Airways deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:10 pm
ORD
- OOL
2 stops31h 00m
Qantas Airways
Sun 11/15:10 pm
OOL
- ORD
2 stops42h 50m
Qantas Airways
Deal found 7/21![Qantas Airways logo]()
$1,406
This Singapore Airlines deal was found by Cheapflights users on 7/18. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:40 am
ORD
- SYD
3 stops42h 35m
Singapore Airlines
Mon 8/312:50 pm
SYD
- ORD
3 stops41h 45m
Singapore Airlines
Deal found 7/18![Singapore Airlines logo]()
$3,897
This Qantas Airways deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:16 pm
ORD
- CNS
2 stops26h 19m
Multiple Airlines
Wed 8/2611:20 am
CNS
- ORD
3 stops27h 10m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$1,489
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/186:20 pm
ORD
- BNE
2 stops27h 00m
United Airlines
Thu 9/36:05 am
BNE
- ORD
2 stops25h 31m
United Airlines
Deal found 7/21![United Airlines logo]()
$1,234
This Justfly.com deal was found by Cheapflights users on 7/22. 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.
Sat 8/296:20 pm
ORD
- OOL
2 stops25h 20m
Air New Zealand
Mon 9/711:55 am
OOL
- ORD
2 stops24h 35m
Air New Zealand
Deal found 7/22![Air New Zealand logo]()
$2,020
Last-minute flights from O'Hare Intl to AustraliaDiscover last-minute flight deals from O'Hare Intl to Australia. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Australia. Data last updated July 23, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/39:00 am
ORD
- MEL
1 stop30h 45m
American Airlines
Tue 8/189:45 am
MEL
- ORD
1 stop21h 09m
American Airlines
Deal found 7/20![American Airlines logo]()
$1,117
This Air Canada deal was found by Cheapflights users on 7/22. 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 8/411:05 am
ORD
- BNE
2 stops29h 00m
Air Canada
Wed 10/1410:00 am
BNE
- ORD
1 stop19h 43m
Air Canada
Deal found 7/22![Air Canada logo]()
$1,085
This Air Canada deal was found by Cheapflights users on 7/22. 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 8/93:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Tue 8/2510:15 am
BNE
- ORD
1 stop19h 21m
Air Canada
Deal found 7/22![Air Canada logo]()
$1,081
This oojo deal was found by Cheapflights users on 7/22. 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 8/102:57 pm
ORD
- MEL
1 stop23h 03m
Qantas Airways
Mon 8/171:35 pm
MEL
- ORD
1 stop21h 55m
Qantas Airways
Deal found 7/22![Qantas Airways logo]()
$1,092
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:16 pm
ORD
- MEL
1 stop22h 29m
American Airlines
Sun 8/2311:30 am
MEL
- ORD
1 stop27h 00m
American Airlines
Deal found 7/22![American Airlines logo]()
$1,107
This lol.travel deal was found by Cheapflights users on 7/22. 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.
Mon 8/102:15 pm
ORD
- MEL
3 stops29h 50m
Air Canada
Sun 8/238:45 pm
MEL
- ORD
3 stops38h 07m
Air Canada
Deal found 7/22![Air Canada logo]()
$1,111
This Justfly.com deal was found by Cheapflights users on 7/21. 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.
Sun 8/167:48 pm
ORD
- BNE
1 stop20h 17m
Air Canada
Sun 8/3010:00 am
BNE
- ORD
1 stop19h 36m
Air Canada
Deal found 7/21![Air Canada logo]()
$1,092
This Orbitz deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Mon 8/3110:00 am
BNE
- ORD
1 stop19h 36m
Air Canada
Deal found 7/21![Air Canada logo]()
$1,082
This Air Canada deal was found by Cheapflights users on 7/21. 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 8/193:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Mon 8/3110:00 am
BNE
- ORD
2 stops38h 38m
Air Canada
Deal found 7/21![Air Canada logo]()
$1,111
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/299:20 pm
ORD
- MEL
1 stop42h 25m
Multiple Airlines
Sun 9/61:30 pm
MEL
- ORD
2 stops31h 29m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$1,115
This oojo deal was found by Cheapflights users on 7/20. 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.
Sat 8/299:06 pm
ORD
- MEL
1 stop42h 39m
Qantas Airways
Mon 9/71:35 pm
MEL
- ORD
1 stop21h 55m
Qantas Airways
Deal found 7/20![Qantas Airways logo]()
$1,119
This FlightHub deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:48 pm
ORD
- BNE
1 stop20h 17m
Air Canada
Sun 9/610:00 am
BNE
- ORD
2 stops36h 51m
Air Canada
Deal found 7/22![Air Canada logo]()
$1,095
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 23, 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 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/19. 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
- SYD
3 stops45h 47m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$599
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 9/249:10 pm
ORD
- PER
3 stops42h 10m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$599
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 9/144:00 pm
ORD
- PER
2 stops48h 50m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$600
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 9/29:20 pm
ORD
- BNE
1 stop40h 40m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$603
This Jetabroad deal was found by Cheapflights users on 7/20. 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.
Tue 8/115:50 pm
ORD
- MEL
2 stops34h 30m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$610
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/319:20 pm
ORD
- ADL
3 stops52h 45m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$613
This KAYAK deal was found by Cheapflights users on 7/19. 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.
Sat 9/56:18 pm
ORD
- MEL
2 stops34h 02m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$622
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/178:25 pm
ORD
- PER
3 stops47h 30m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$641
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/14:00 pm
ORD
- MEL
2 stops39h 35m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$657
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/119:20 am
ORD
- SYD
3 stops39h 35m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$663
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/262:41 pm
ORD
- SYD
3 stops51h 44m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$667
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 7/19![Multiple Airlines logo]()
$673
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 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,081 (Air Canada) |
One-way from | $599 (Kiwi.com) |
Popular in | September |
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 23, 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
Fri 10/16
8:45 am-7:05 am
2 stops31h 20m
Brisbane
Sun 10/25
9:45 am-4:48 am
2 stops34h 03m
$1,119
ChicagoMelbourne
ORD - MEL
ORDMEL
Chicago O'Hare Intl
Wed 9/23
1:58 pm-7:30 am
1 stop26h 32m
Melbourne
Tue 9/29
10:55 am-12:59 am
1 stop29h 04m
$1,140
ChicagoMelbourne
ORD - MEL
ORDMEL
Chicago O'Hare Intl
Tue 9/1
10:00 pm-7:30 am
2 stops42h 30m
Melbourne
Wed 9/16
10:55 am-6:32 pm
1 stop22h 37m
$1,144
Quickest round-trip
ChicagoBrisbane
ORD - BNE
ORDBNE
Chicago O'Hare Intl
Wed 8/19
6:20 pm-6:30 am
1 stop21h 10m
Brisbane
Sun 8/30
10:30 am-5:05 pm
2 stops21h 35m
$1,144
ChicagoBrisbane
ORD - BNE
ORDBNE
Chicago O'Hare Intl
Fri 10/16
7:45 pm-7:05 am
1 stop20h 20m
Brisbane
Sat 10/24
6:05 pm-2:37 pm
2 stops35h 32m
$1,152
ChicagoMelbourne
ORD - MEL
ORDMEL
Chicago O'Hare Intl
Sun 10/25
10:25 am-9:30 am
1 stop31h 05m
Melbourne
Sat 10/31
11:10 am-5:31 pm
2 stops46h 21m
$1,156
ChicagoBrisbane
ORD - BNE
ORDBNE
Chicago O'Hare Intl
Fri 10/16
11:05 am-7:05 am
2 stops29h 00m
Brisbane
Sat 10/24
7:40 pm-8:13 pm
3 stops39h 33m
$1,160
ChicagoBrisbane
ORD - BNE
ORDBNE
Chicago O'Hare Intl
Wed 9/2
6:20 pm-6:30 am
1 stop21h 10m
Brisbane
Sat 9/19
5:05 pm-5:05 pm
2 stops39h 00m
$1,163
ChicagoBrisbane
ORD - BNE
ORDBNE
Chicago O'Hare Intl
Thu 8/13
5:16 pm-5:00 am
1 stop20h 44m
Brisbane
Sun 8/23
8:35 pm-3:54 pm
1 stop34h 19m
$1,169
ChicagoMelbourne
ORD - MEL
ORDMEL
Chicago O'Hare Intl
Thu 8/20
3:22 pm-6:45 am
1 stop24h 23m
Melbourne
Thu 8/27
9:45 am-3:54 pm
1 stop21h 09m
$1,189
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-BNE
ORD-MEL
ORD-PER
ORD-SYD
ORD-OOL
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-BNE
ORD-MEL
ORD-PER
ORD-SYD
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Australia?
Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Australia (average of $1,272). Flying from Chicago O'Hare Intl Airport to Australia in July is currently the most expensive (average of $1,755). 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 23, 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
Food
7.5
Crew
8.5
Boarding
8.2
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Entertainment
7.4
Food
7.5
Crew
8.5
Boarding
8.2
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Entertainment
7.4
Food
7.5
Crew
8.5
Boarding
8.2
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Entertainment
7.4
Food
7.5
Crew
8.5
Boarding
8.2
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Entertainment
7.4
Food
7.5
Crew
8.5
Boarding
8.2
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Entertainment
7.4
Food
7.5
Crew
8.5
Boarding
8.2
Comfort
8.0
Overall
8.0
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top regions
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 23, 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 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$261 | Average$1,131 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$712 | Average$1,142 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$716 | Average$1,169 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$837 | Average$1,518 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$844 | Average$1,582 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$870 | Average$1,700 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,209 | Average$1,288 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,264 | Average$1,587 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$1,298 | Average$2,071 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,560 | Average$2,003 | FlexibilityNo cancel fee | On-time72% |