$617+ 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
Aug 6 — Aug 131
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 7, 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 7, 2026.
This Trip.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:20 am
ORD
- BNE
3 stops34h 15m
Multiple Airlines
Wed 8/2611:35 am
BNE
- ORD
2 stops33h 24m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$1,118
This Trip.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/189:20 am
ORD
- BNE
3 stops34h 20m
Multiple Airlines
Tue 8/2511:35 am
BNE
- ORD
2 stops33h 42m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,119
This Trip.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:20 am
ORD
- MEL
3 stops35h 40m
Multiple Airlines
Wed 8/261:25 pm
MEL
- ORD
2 stops31h 34m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$1,120
This Trip.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/189:20 am
ORD
- MEL
3 stops35h 40m
Multiple Airlines
Tue 8/251:25 pm
MEL
- ORD
2 stops31h 52m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,122
This Trip.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:20 am
ORD
- MEL
3 stops35h 40m
Multiple Airlines
Wed 8/191:25 pm
MEL
- ORD
2 stops31h 34m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,125
This Trip.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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.
Mon 8/1710:16 am
ORD
- BNE
3 stops33h 19m
Multiple Airlines
Mon 8/2411:55 am
BNE
- ORD
2 stops33h 22m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,141
This Trip.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:59 pm
ORD
- MEL
3 stops31h 01m
Multiple Airlines
Thu 8/271:30 pm
MEL
- ORD
2 stops31h 29m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,157
This Trip.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/167:29 am
ORD
- SYD
3 stops47h 56m
Multiple Airlines
Mon 8/241:15 pm
SYD
- ORD
2 stops32h 02m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,214
This Trip.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:29 am
ORD
- SYD
3 stops37h 21m
Multiple Airlines
Sat 8/81:15 pm
SYD
- ORD
2 stops32h 02m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,218
This Bravofly deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:50 pm
ORD
- SYD
2 stops32h 20m
ANA
Mon 9/711:45 am
SYD
- ORD
1 stop42h 10m
ANA
Deal found 7/6![ANA logo]()
$1,223
This Trip.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:20 am
ORD
- SYD
3 stops35h 30m
Multiple Airlines
Wed 8/261:15 pm
SYD
- ORD
3 stops50h 34m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$1,224
This Trip.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/49:28 am
ORD
- SYD
3 stops35h 22m
Multiple Airlines
Thu 8/271:15 pm
SYD
- ORD
2 stops31h 44m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,232
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 7, 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 7, 2026.
This Expedia deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:40 am
ORD
- BNE
2 stops31h 25m
Air Canada
Sun 8/2310:00 am
BNE
- ORD
1 stop19h 36m
Air Canada
Deal found 7/2![Air Canada logo]()
$1,399
This Air Canada deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/177:48 pm
ORD
- AVV
2 stops27h 32m
Multiple Airlines
Mon 8/248:55 pm
AVV
- ORD
2 stops32h 41m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,426
This Turkish Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 11/312:45 pm
ORD
- SYD
2 stops37h 50m
Turkish Airlines
Sat 11/149:30 pm
SYD
- ORD
2 stops37h 50m
Turkish Airlines
Deal found 7/4![Turkish Airlines logo]()
$1,575
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:51 pm
ORD
- MEL
1 stop25h 39m
United Airlines
Wed 11/1112:45 pm
MEL
- ORD
1 stop25h 46m
United Airlines
Deal found 7/6![United Airlines logo]()
$1,599
This Qantas Airways deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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.
Tue 12/295:53 pm
ORD
- SYD
1 stop22h 07m
Qantas Airways
Thu 1/2111:15 am
SYD
- ORD
1 stop22h 36m
Qantas Airways
Deal found 7/3![Qantas Airways logo]()
$1,601
This Qatar Airways deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:20 pm
ORD
- PER
1 stop34h 15m
Qatar Airways
Mon 9/71:45 pm
PER
- ORD
2 stops38h 20m
Qatar Airways
Deal found 7/6![Qatar Airways logo]()
$1,775
This JetBlue deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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.
Tue 8/187:20 pm
ORD
- BNE
1 stop31h 10m
JetBlue
Tue 8/2510:10 pm
BNE
- ORD
1 stop31h 55m
JetBlue
Deal found 7/4![JetBlue logo]()
$2,443
This EVA Air deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1812:30 am
ORD
- BNE
1 stop28h 30m
EVA Air
Mon 8/310:15 pm
BNE
- ORD
1 stop37h 55m
EVA Air
Deal found 7/5![EVA Air logo]()
$2,517
This Air Canada deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/183:40 pm
ORD
- ADL
2 stops31h 45m
Multiple Airlines
Tue 8/255:15 pm
ADL
- ORD
2 stops35h 51m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,451
This Air Canada deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 7/283:40 pm
ORD
- CNS
2 stops28h 30m
Air Canada
Fri 8/77:15 pm
CNS
- ORD
2 stops34h 21m
Air Canada
Deal found 7/4![Air Canada logo]()
$1,487
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:50 pm
ORD
- MEL
1 stop22h 40m
United Airlines
Mon 12/1411:30 am
MEL
- ORD
1 stop24h 24m
United Airlines
Deal found 7/6![United Airlines logo]()
$1,599
This Air Canada deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 8/173:40 pm
ORD
- ADL
2 stops31h 45m
Multiple Airlines
Mon 8/245:15 pm
ADL
- ORD
2 stops35h 51m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$1,454
This Turkish Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/308:15 pm
ORD
- SYD
2 stops54h 20m
Turkish Airlines
Tue 12/159:30 pm
SYD
- ORD
2 stops53h 30m
Turkish Airlines
Deal found 7/3![Turkish Airlines logo]()
$1,680
This KLM deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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.
Sun 8/235:10 pm
ORD
- SYD
2 stops46h 15m
KLM
Mon 9/710:10 am
SYD
- ORD
3 stops43h 05m
KLM
Deal found 7/4![KLM logo]()
$3,463
This oojo deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/12:50 pm
ORD
- HBA
2 stops26h 50m
Qantas Airways
Fri 1/156:05 am
HBA
- ORD
2 stops26h 54m
Qantas Airways
Deal found 7/6![Qantas Airways logo]()
$1,754
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:50 pm
ORD
- MEL
2 stops25h 25m
United Airlines
Fri 10/1610:30 am
MEL
- ORD
1 stop22h 35m
United Airlines
Deal found 7/6![United Airlines logo]()
$1,603
This Air Canada deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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
- AVV
2 stops31h 40m
Multiple Airlines
Wed 8/268:40 pm
AVV
- ORD
2 stops32h 56m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$1,466
This Qatar Airways deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:20 pm
ORD
- MEL
2 stops34h 20m
Qatar Airways
Mon 9/2110:45 pm
MEL
- ORD
1 stop31h 20m
Qatar Airways
Deal found 7/2![Qatar Airways logo]()
$1,850
This Air Canada deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/183:40 pm
ORD
- PER
2 stops41h 00m
Air Canada
Tue 8/251:45 pm
PER
- ORD
2 stops37h 51m
Air Canada
Deal found 7/4![Air Canada logo]()
$1,685
This United Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 9/43:35 pm
ORD
- MEL
2 stops24h 55m
United Airlines
Fri 9/1810:55 am
MEL
- ORD
1 stop24h 31m
United Airlines
Deal found 7/4![United Airlines logo]()
$1,603
This KAYAK deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/103:40 pm
ORD
- AVV
2 stops31h 30m
Multiple Airlines
Mon 8/178:55 pm
AVV
- ORD
2 stops32h 41m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$1,469
This Qatar Airways deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:20 pm
ORD
- PER
2 stops38h 50m
Qatar Airways
Sun 9/2010:45 pm
PER
- ORD
1 stop29h 20m
Qatar Airways
Deal found 7/6![Qatar Airways logo]()
$1,873
This Qantas Airways deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:20 pm
ORD
- CNS
2 stops27h 45m
Qantas Airways
Sun 11/225:40 pm
CNS
- ORD
2 stops39h 11m
Qantas Airways
Deal found 7/6![Qantas Airways logo]()
$1,899
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 12/24:05 pm
ORD
- SYD
1 stop21h 55m
United Airlines
Wed 12/169:15 am
SYD
- ORD
1 stop20h 01m
United Airlines
Deal found 7/3![United Airlines logo]()
$1,606
This Air Canada deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1511:05 am
ORD
- BNE
2 stops29h 00m
Multiple Airlines
Sat 8/228:45 pm
BNE
- ORD
3 stops38h 07m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$1,469
This Air Canada deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/182:15 pm
ORD
- ADL
3 stops33h 10m
Air Canada
Tue 8/258:00 pm
ADL
- ORD
3 stops38h 22m
Air Canada
Deal found 7/4![Air Canada logo]()
$1,803
This Qatar Airways deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:20 pm
ORD
- ADL
1 stop29h 10m
Qatar Airways
Sun 9/204:30 pm
ADL
- ORD
2 stops37h 05m
Qatar Airways
Deal found 7/6![Qatar Airways logo]()
$1,877
This Qantas Airways deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/143:20 pm
ORD
- CNS
2 stops27h 45m
Qantas Airways
Sun 11/225:40 pm
CNS
- ORD
2 stops39h 11m
Qantas Airways
Deal found 7/6![Qantas Airways logo]()
$1,899
This United Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 11/235:50 pm
ORD
- SYD
1 stop22h 15m
United Airlines
Thu 12/1011:20 am
SYD
- ORD
1 stop20h 17m
United Airlines
Deal found 7/4![United Airlines logo]()
$1,606
This KAYAK deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/83:40 pm
ORD
- AVV
2 stops31h 40m
Multiple Airlines
Sat 8/158:40 pm
AVV
- ORD
2 stops32h 56m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,505
Last-minute flights from O'Hare Intl to AustraliaDiscover last-minute flight deals from O'Hare Intl to Australia. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Australia. Data last updated July 7, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:29 am
ORD
- SYD
3 stops37h 21m
Multiple Airlines
Sat 8/81:15 pm
SYD
- ORD
2 stops32h 02m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,218
This Trip.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/49:28 am
ORD
- SYD
3 stops35h 22m
Multiple Airlines
Thu 8/271:15 pm
SYD
- ORD
2 stops31h 44m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,232
This Trip.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:20 am
ORD
- MEL
3 stops35h 40m
Multiple Airlines
Wed 8/191:25 pm
MEL
- ORD
2 stops31h 34m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,125
This Trip.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/167:29 am
ORD
- SYD
3 stops47h 56m
Multiple Airlines
Mon 8/241:15 pm
SYD
- ORD
2 stops32h 02m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,214
This Trip.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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.
Mon 8/1710:16 am
ORD
- BNE
3 stops33h 19m
Multiple Airlines
Mon 8/2411:55 am
BNE
- ORD
2 stops33h 22m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,141
This Trip.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/189:20 am
ORD
- BNE
3 stops34h 20m
Multiple Airlines
Tue 8/2511:35 am
BNE
- ORD
2 stops33h 42m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,119
This Trip.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/189:20 am
ORD
- MEL
3 stops35h 40m
Multiple Airlines
Tue 8/251:25 pm
MEL
- ORD
2 stops31h 52m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,122
This Trip.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:20 am
ORD
- BNE
3 stops34h 15m
Multiple Airlines
Wed 8/2611:35 am
BNE
- ORD
2 stops33h 24m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$1,118
This Trip.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:20 am
ORD
- MEL
3 stops35h 40m
Multiple Airlines
Wed 8/261:25 pm
MEL
- ORD
2 stops31h 34m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$1,120
This Trip.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:20 am
ORD
- SYD
3 stops35h 30m
Multiple Airlines
Wed 8/261:15 pm
SYD
- ORD
3 stops50h 34m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$1,224
This Trip.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:59 pm
ORD
- MEL
3 stops31h 01m
Multiple Airlines
Thu 8/271:30 pm
MEL
- ORD
2 stops31h 29m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,157
This Bravofly deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:50 pm
ORD
- SYD
2 stops32h 20m
ANA
Mon 9/711:45 am
SYD
- ORD
1 stop42h 10m
ANA
Deal found 7/6![ANA logo]()
$1,223
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 7, 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 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 11/32:46 pm
ORD
- SYD
2 stops46h 39m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$617
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/184:00 pm
ORD
- PER
2 stops42h 45m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$643
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/59:13 pm
ORD
- SYD
1 stop43h 17m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$644
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 7/6![Multiple Airlines logo]()
$645
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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
- MEL
1 stop42h 32m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$647
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:46 pm
ORD
- SYD
2 stops48h 44m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$655
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/49:20 pm
ORD
- BNE
1 stop40h 40m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$662
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 11/211:06 am
ORD
- SYD
2 stops50h 19m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$667
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:20 pm
ORD
- SYD
1 stop43h 10m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$668
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/69:13 pm
ORD
- SYD
1 stop43h 17m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$674
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:10 pm
ORD
- MEL
2 stops43h 25m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$675
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Deal found 7/7![Multiple Airlines logo]()
$675
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 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,118 (Trip.com) |
One-way from | $617 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,544 |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 7, 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
Sun 8/16
8:40 am-7:05 am
2 stops31h 25m
Brisbane
Sun 8/23
10:00 am-2:36 pm
1 stop19h 36m
$1,399
ChicagoMelbourne
ORD - AVV
ORDAVV
Chicago O'Hare Intl
Mon 8/17
7:48 pm-2:20 pm
2 stops27h 32m
Melbourne Avalon
Mon 8/24
8:55 pm-2:36 pm
2 stops32h 41m
$1,426
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Tue 8/18
3:40 pm-1:55 pm
2 stops31h 45m
Adelaide
Tue 8/25
5:15 pm-2:36 pm
2 stops35h 51m
$1,451
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Mon 8/17
3:40 pm-1:55 pm
2 stops31h 45m
Adelaide
Mon 8/24
5:15 pm-2:36 pm
2 stops35h 51m
$1,454
ChicagoMelbourne
ORD - AVV
ORDAVV
Chicago O'Hare Intl
Wed 8/19
3:40 pm-2:20 pm
2 stops31h 40m
Melbourne Avalon
Wed 8/26
8:40 pm-2:36 pm
2 stops32h 56m
$1,466
ChicagoMelbourne
ORD - AVV
ORDAVV
Chicago O'Hare Intl
Mon 8/10
3:40 pm-2:10 pm
2 stops31h 30m
Melbourne Avalon
Mon 8/17
8:55 pm-2:36 pm
2 stops32h 41m
$1,469
ChicagoBrisbane
ORD - BNE
ORDBNE
Chicago O'Hare Intl
Sat 8/15
11:05 am-7:05 am
2 stops29h 00m
Brisbane
Sat 8/22
8:45 pm-7:52 pm
3 stops38h 07m
$1,469
ChicagoCairns
ORD - CNS
ORDCNS
Chicago O'Hare Intl
Tue 7/28
3:40 pm-11:10 am
2 stops28h 30m
Cairns
Fri 8/7
7:15 pm-2:36 pm
2 stops34h 21m
$1,487
ChicagoMelbourne
ORD - AVV
ORDAVV
Chicago O'Hare Intl
Sat 8/8
3:40 pm-2:20 pm
2 stops31h 40m
Melbourne Avalon
Sat 8/15
8:40 pm-2:36 pm
2 stops32h 56m
$1,505
ChicagoSydney
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Tue 11/3
12:45 pm-7:35 pm
2 stops37h 50m
Sydney Kingsford Smith
Sat 11/14
9:30 pm-6:20 pm
2 stops37h 50m
$1,575
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-SYD
ORD-PER
ORD-AVV
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-SYD
ORD-PER
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 7, 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
Overall
8.0
Comfort
7.9
Food
7.4
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Entertainment
7.4
Boarding
8.2
Crew
8.5
Overall
8.0
Comfort
7.9
Food
7.4
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Entertainment
7.4
Boarding
8.2
Crew
8.5
Overall
8.0
Comfort
7.9
Food
7.4
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Entertainment
7.4
Boarding
8.2
Crew
8.5
Overall
8.0
Comfort
7.9
Food
7.4
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Entertainment
7.4
Boarding
8.2
Crew
8.5
Overall
8.0
Comfort
7.9
Food
7.4
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Entertainment
7.4
Boarding
8.2
Crew
8.5
Overall
8.0
Comfort
7.9
Food
7.4
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 7, 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 7, 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% |