$499+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
May 9 — May 161
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 April 9, 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 April 9, 2026.
This Trip.com deal was found by Cheapflights users on 4/5. 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 4/227:30 am
ORD
- MEL
2 stops37h 35m
Multiple Airlines
Thu 4/301:30 pm
MEL
- ORD
2 stops24h 57m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$1,050
This Air Canada deal was found by Cheapflights users on 4/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/23:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Tue 6/1610:15 am
BNE
- ORD
1 stop19h 30m
Air Canada
Deal found 4/6![Air Canada logo]()
$1,142
This Air Canada deal was found by Cheapflights users on 4/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/43:40 pm
ORD
- SYD
1 stop24h 40m
Air Canada
Sun 7/269:20 am
SYD
- ORD
1 stop20h 21m
Air Canada
Deal found 4/6![Air Canada logo]()
$1,144
This Air Canada deal was found by Cheapflights users on 4/4. 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.
Sun 11/13:40 pm
ORD
- BNE
1 stop25h 05m
Air Canada
Sat 11/1410:45 am
BNE
- ORD
1 stop19h 56m
Air Canada
Deal found 4/4![Air Canada logo]()
$1,144
This Mytrip deal was found by Cheapflights users on 4/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:00 pm
ORD
- SYD
2 stops31h 05m
Multiple Airlines
Thu 4/231:15 pm
SYD
- ORD
2 stops25h 12m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$1,145
This Air Canada deal was found by Cheapflights users on 4/4. 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.
Sun 11/13:40 pm
ORD
- SYD
1 stop24h 55m
Air Canada
Sat 11/1411:20 am
SYD
- ORD
1 stop20h 21m
Air Canada
Deal found 4/4![Air Canada logo]()
$1,146
This Expedia deal was found by Cheapflights users on 4/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/253:40 pm
ORD
- SYD
1 stop24h 40m
Air Canada
Sun 6/79:20 am
SYD
- ORD
2 stops39h 58m
Air Canada
Deal found 4/5![Air Canada logo]()
$1,147
This Air Canada deal was found by Cheapflights users on 4/4. 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.
Sun 5/2411:05 am
ORD
- SYD
2 stops29h 15m
Air Canada
Sun 5/319:20 am
SYD
- ORD
1 stop20h 25m
Air Canada
Deal found 4/4![Air Canada logo]()
$1,148
This Air Canada deal was found by Cheapflights users on 4/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/911:05 am
ORD
- BNE
2 stops29h 00m
Air Canada
Thu 7/910:15 am
BNE
- ORD
2 stops24h 50m
Air Canada
Deal found 4/6![Air Canada logo]()
$1,149
This FlightHub deal was found by Cheapflights users on 4/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:15 am
ORD
- SYD
2 stops31h 05m
Air Canada
Tue 9/89:20 am
SYD
- ORD
1 stop20h 28m
Air Canada
Deal found 4/6![Air Canada logo]()
$1,154
This Air Canada deal was found by Cheapflights users on 4/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:45 pm
ORD
- BNE
1 stop20h 20m
Air Canada
Sun 7/2610:00 am
BNE
- ORD
2 stops36h 50m
Air Canada
Deal found 4/6![Air Canada logo]()
$1,155
This Air Canada deal was found by Cheapflights users on 4/4. 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.
Mon 7/611:05 am
ORD
- SYD
3 stops29h 15m
Air Canada
Mon 7/279:20 am
SYD
- ORD
1 stop20h 21m
Air Canada
Deal found 4/4![Air Canada logo]()
$1,156
Best flights from O'Hare Intl to AustraliaDiscover carefully curated flight deals from O'Hare Intl to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 9, 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 April 9, 2026.
This FlightHub deal was found by Cheapflights users on 4/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:00 am
ORD
- BNE
2 stops34h 05m
Air Canada
Sun 7/2610:00 am
BNE
- ORD
1 stop19h 41m
Air Canada
Deal found 4/9![Air Canada logo]()
$1,379
This Qantas Airways deal was found by Cheapflights users on 4/7. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:21 pm
ORD
- ADL
2 stops26h 04m
Qantas Airways
Sat 5/236:00 am
ADL
- ORD
2 stops24h 22m
Qantas Airways
Deal found 4/7![Qantas Airways logo]()
$1,432
This FlightHub deal was found by Cheapflights users on 4/8. 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.
Sun 6/73:40 pm
ORD
- AVV
2 stops40h 10m
Multiple Airlines
Tue 6/164:40 pm
AVV
- ORD
2 stops37h 05m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$1,434
This Turkish Airlines deal was found by Cheapflights users on 4/8. 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.
Mon 4/278:10 pm
ORD
- MEL
2 stops32h 30m
Turkish Airlines
Mon 5/119:35 pm
MEL
- ORD
2 stops51h 05m
Turkish Airlines
Deal found 4/8![Turkish Airlines logo]()
$1,437
This United Airlines deal was found by Cheapflights users on 4/4. 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 8/144:35 pm
ORD
- BNE
2 stops22h 55m
United Airlines
Sun 8/3010:30 am
BNE
- ORD
1 stop19h 20m
United Airlines
Deal found 4/4![United Airlines logo]()
$1,598
This Delta deal was found by Cheapflights users on 4/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:00 pm
ORD
- SYD
2 stops22h 50m
Delta
Thu 9/249:15 am
SYD
- ORD
2 stops25h 28m
Delta
Deal found 4/4![Delta logo]()
$1,610
This FlightHub deal was found by Cheapflights users on 4/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:20 pm
ORD
- PER
1 stop27h 55m
Qatar Airways
Wed 5/1310:55 pm
PER
- ORD
1 stop30h 55m
Qatar Airways
Deal found 4/6![Qatar Airways logo]()
$1,780
This FlightHub deal was found by Cheapflights users on 4/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:31 am
ORD
- PER
2 stops38h 44m
JetBlue
Fri 5/110:55 pm
PER
- ORD
2 stops45h 46m
JetBlue
Deal found 4/6![JetBlue logo]()
$1,805
This Air New Zealand deal was found by Cheapflights users on 4/8. 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 Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:05 pm
ORD
- SYD
2 stops26h 35m
Air New Zealand
Sat 10/179:55 am
SYD
- ORD
2 stops27h 16m
Air New Zealand
Deal found 4/8![Air New Zealand logo]()
$1,834
This EVA Air deal was found by Cheapflights users on 4/4. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:50 pm
ORD
- BNE
2 stops57h 10m
EVA Air
Mon 8/3110:15 pm
BNE
- ORD
1 stop37h 30m
EVA Air
Deal found 4/4![EVA Air logo]()
$2,355
This Malaysia Airlines deal was found by Cheapflights users on 4/4. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1510:35 pm
ORD
- BNE
2 stops65h 25m
Malaysia Airlines
Sun 8/3012:05 am
BNE
- ORD
2 stops46h 15m
Malaysia Airlines
Deal found 4/4![Malaysia Airlines logo]()
$2,581
This Air Canada deal was found by Cheapflights users on 4/9. 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.
Fri 7/33:40 pm
ORD
- MEL
2 stops28h 25m
Air Canada
Sat 7/116:00 pm
MEL
- ORD
2 stops35h 41m
Air Canada
Deal found 4/9![Air Canada logo]()
$1,412
This Trip.com deal was found by Cheapflights users on 4/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:30 am
ORD
- PER
2 stops48h 35m
Multiple Airlines
Tue 8/2510:55 pm
PER
- ORD
2 stops35h 15m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$1,486
This Qantas Airways deal was found by Cheapflights users on 4/8. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/294:30 pm
ORD
- ADL
2 stops28h 15m
Qantas Airways
Thu 5/146:30 pm
ADL
- ORD
2 stops41h 14m
Qantas Airways
Deal found 4/8![Qantas Airways logo]()
$1,507
This United Airlines deal was found by Cheapflights users on 4/4. 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 8/174:45 pm
ORD
- BNE
2 stops22h 45m
United Airlines
Sun 8/3010:30 am
BNE
- ORD
1 stop19h 20m
United Airlines
Deal found 4/4![United Airlines logo]()
$1,598
This Delta deal was found by Cheapflights users on 4/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/28:21 pm
ORD
- MEL
2 stops44h 29m
Delta
Sun 8/2310:00 am
MEL
- ORD
2 stops23h 01m
Delta
Deal found 4/5![Delta logo]()
$1,628
This Air Canada deal was found by Cheapflights users on 4/9. 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 6/2812:55 pm
ORD
- MEL
3 stops31h 10m
Air Canada
Fri 7/106:00 am
MEL
- ORD
2 stops23h 41m
Air Canada
Deal found 4/9![Air Canada logo]()
$1,492
This Qantas Airways deal was found by Cheapflights users on 4/8. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:57 am
ORD
- ADL
2 stops34h 53m
Qantas Airways
Wed 5/135:10 pm
ADL
- ORD
2 stops35h 36m
Qantas Airways
Deal found 4/8![Qantas Airways logo]()
$1,510
This United Airlines deal was found by Cheapflights users on 4/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:20 pm
ORD
- MEL
1 stop22h 55m
United Airlines
Sun 8/2310:55 am
MEL
- ORD
1 stop22h 37m
United Airlines
Deal found 4/5![United Airlines logo]()
$1,599
This Justfly.com deal was found by Cheapflights users on 4/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:40 pm
ORD
- AVV
2 stops31h 30m
Multiple Airlines
Mon 5/118:55 pm
AVV
- ORD
2 stops32h 50m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$1,599
This Delta deal was found by Cheapflights users on 4/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/28:21 pm
ORD
- MEL
2 stops44h 29m
Delta
Wed 8/2610:00 am
MEL
- ORD
1 stop22h 30m
Delta
Deal found 4/5![Delta logo]()
$1,628
This Finnair deal was found by Cheapflights users on 4/9. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:30 pm
ORD
- SYD
2 stops41h 35m
Finnair
Mon 8/319:50 am
SYD
- ORD
2 stops47h 00m
Finnair
Deal found 4/9![Finnair logo]()
$3,658
This Air Canada deal was found by Cheapflights users on 4/5. 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.
Sat 5/233:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Wed 5/2710:00 am
BNE
- ORD
2 stops38h 34m
Air Canada
Deal found 4/5![Air Canada logo]()
$1,539
This FlightHub deal was found by Cheapflights users on 4/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:34 am
ORD
- PER
2 stops38h 41m
JetBlue
Thu 5/1410:55 pm
PER
- ORD
2 stops45h 49m
JetBlue
Deal found 4/5![JetBlue logo]()
$1,871
This United Airlines deal was found by Cheapflights users on 4/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/54:45 pm
ORD
- MEL
2 stops24h 30m
United Airlines
Sun 7/199:30 am
MEL
- ORD
1 stop22h 34m
United Airlines
Deal found 4/5![United Airlines logo]()
$1,599
This Qantas Airways deal was found by Cheapflights users on 4/8. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/13:21 pm
ORD
- BNE
1 stop22h 39m
Multiple Airlines
Sat 8/159:10 am
BNE
- ORD
2 stops25h 39m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$1,611
This KLM deal was found by Cheapflights users on 4/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/304:20 pm
ORD
- SYD
3 stops47h 10m
KLM
Mon 6/810:10 am
SYD
- ORD
3 stops43h 05m
KLM
Deal found 4/7![KLM logo]()
$4,008
This Air Canada deal was found by Cheapflights users on 4/9. 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 5/243:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Sun 5/3110:00 am
BNE
- ORD
1 stop19h 45m
Air Canada
Deal found 4/9![Air Canada logo]()
$1,574
This United Airlines deal was found by Cheapflights users on 4/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/53:26 pm
ORD
- MEL
1 stop25h 49m
United Airlines
Thu 8/2710:55 am
MEL
- ORD
1 stop20h 47m
United Airlines
Deal found 4/5![United Airlines logo]()
$1,599
This Air Canada deal was found by Cheapflights users on 4/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/273:40 pm
ORD
- OOL
2 stops29h 05m
Multiple Airlines
Tue 6/26:35 pm
OOL
- ORD
2 stops35h 10m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$1,631
Last-minute flights from O'Hare Intl to AustraliaDiscover last-minute flight deals from O'Hare Intl to Australia. Data last updated April 9, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Australia. Data last updated April 9, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 4/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:00 pm
ORD
- SYD
2 stops31h 05m
Multiple Airlines
Thu 4/231:15 pm
SYD
- ORD
2 stops25h 12m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$1,145
This Trip.com deal was found by Cheapflights users on 4/5. 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 4/227:30 am
ORD
- MEL
2 stops37h 35m
Multiple Airlines
Thu 4/301:30 pm
MEL
- ORD
2 stops24h 57m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$1,050
This Trip.com deal was found by Cheapflights users on 4/5. 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 5/2012:40 pm
ORD
- MEL
3 stops32h 25m
Multiple Airlines
Wed 5/271:25 pm
MEL
- ORD
3 stops46h 07m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$1,181
This Flightnetwork deal was found by Cheapflights users on 4/4. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/248:45 am
ORD
- SYD
2 stops31h 35m
Air Canada
Sat 6/69:20 am
SYD
- ORD
1 stop20h 25m
Air Canada
Deal found 4/4![Air Canada logo]()
$1,144
This Justfly.com deal was found by Cheapflights users on 4/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/243:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Sun 6/710:00 am
BNE
- ORD
2 stops38h 34m
Air Canada
Deal found 4/4![Air Canada logo]()
$1,152
This Air Canada deal was found by Cheapflights users on 4/4. 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.
Sun 5/248:40 am
ORD
- SYD
2 stops31h 40m
Air Canada
Sun 5/319:20 am
SYD
- ORD
2 stops37h 30m
Air Canada
Deal found 4/4![Air Canada logo]()
$1,158
This Expedia deal was found by Cheapflights users on 4/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/253:40 pm
ORD
- SYD
1 stop24h 40m
Air Canada
Sun 6/79:20 am
SYD
- ORD
2 stops39h 58m
Air Canada
Deal found 4/5![Air Canada logo]()
$1,147
This FlightHub deal was found by Cheapflights users on 4/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/273:40 pm
ORD
- SYD
1 stop24h 40m
Air Canada
Wed 6/107:00 am
SYD
- ORD
2 stops22h 45m
Air Canada
Deal found 4/5![Air Canada logo]()
$1,170
This Air Canada deal was found by Cheapflights users on 4/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/283:40 pm
ORD
- BNE
2 stops48h 25m
Air Canada
Thu 6/410:15 am
BNE
- ORD
1 stop19h 30m
Air Canada
Deal found 4/6![Air Canada logo]()
$1,145
This Justfly.com deal was found by Cheapflights users on 4/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:09 am
ORD
- SYD
2 stops33h 11m
Air Canada
Mon 6/89:20 am
SYD
- ORD
2 stops39h 14m
Air Canada
Deal found 4/6![Air Canada logo]()
$1,162
This Air Canada deal was found by Cheapflights users on 4/5. 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.
Sat 5/3011:05 am
ORD
- SYD
3 stops29h 15m
Air Canada
Sun 6/79:20 am
SYD
- ORD
2 stops25h 05m
Air Canada
Deal found 4/5![Air Canada logo]()
$1,164
This FlightHub deal was found by Cheapflights users on 4/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/303:40 pm
ORD
- MEL
2 stops31h 30m
Multiple Airlines
Sat 6/66:00 am
MEL
- ORD
2 stops23h 45m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$1,187
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 April 9, 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 April 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Sat 5/210:23 am
ORD
- SYD
2 stops34h 27m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$499
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 6/119:22 am
ORD
- BNE
2 stops34h 18m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$505
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 5/289:20 am
ORD
- SYD
2 stops35h 30m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$510
This Trip.com deal was found by Cheapflights users on 4/4. 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.
Mon 4/205:15 am
ORD
- SYD
2 stops49h 55m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$511
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 5/118:56 pm
ORD
- MEL
2 stops48h 04m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$513
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 4/216:16 pm
ORD
- SYD
3 stops50h 34m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$520
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Thu 7/239:33 am
ORD
- SYD
2 stops35h 17m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$527
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Mon 8/242:30 pm
ORD
- SYD
2 stops30h 20m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$528
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Fri 6/59:04 pm
ORD
- BNE
2 stops46h 36m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$528
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Wed 8/58:27 pm
ORD
- BNE
2 stops47h 13m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$537
This Kiwi.com deal was found by Cheapflights users on 4/9. 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.
Wed 5/138:56 pm
ORD
- MEL
2 stops48h 04m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$552
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 5/1612:05 pm
ORD
- AVV
3 stops43h 45m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$558
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 April 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,050 (Trip.com) |
One-way from | $499 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $1,452 |
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 April 9, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Australia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoBrisbane
ORD - BNE
ORDBNE
Chicago O'Hare Intl
Mon 7/13
6:00 am-7:05 am
2 stops34h 05m
Brisbane
Sun 7/26
10:00 am-2:41 pm
1 stop19h 41m
$1,379
ChicagoMelbourne
ORD - MEL
ORDMEL
Chicago O'Hare Intl
Fri 7/3
3:40 pm-11:05 am
2 stops28h 25m
Melbourne
Sat 7/11
6:00 pm-2:41 pm
2 stops35h 41m
$1,412
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Thu 5/14
7:21 pm-11:55 am
2 stops26h 04m
Adelaide
Sat 5/23
6:00 am-3:52 pm
2 stops24h 22m
$1,432
ChicagoMelbourne
ORD - AVV
ORDAVV
Chicago O'Hare Intl
Sun 6/7
3:40 pm-10:50 pm
2 stops40h 10m
Melbourne Avalon
Tue 6/16
4:40 pm-2:45 pm
2 stops37h 05m
$1,434
ChicagoMelbourne
ORD - MEL
ORDMEL
Chicago O'Hare Intl
Mon 4/27
8:10 pm-7:40 pm
2 stops32h 30m
Melbourne
Mon 5/11
9:35 pm-9:40 am
2 stops51h 05m
$1,437
ChicagoPerth
ORD - PER
ORDPER
Chicago O'Hare Intl
Tue 8/11
12:30 am-2:05 pm
2 stops48h 35m
Perth
Tue 8/25
10:55 pm-9:10 pm
2 stops35h 15m
$1,486
ChicagoMelbourne
ORD - MEL
ORDMEL
Chicago O'Hare Intl
Sun 6/28
12:55 pm-11:05 am
3 stops31h 10m
Melbourne
Fri 7/10
6:00 am-2:41 pm
2 stops23h 41m
$1,492
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Wed 4/29
4:30 pm-11:15 am
2 stops28h 15m
Adelaide
Thu 5/14
6:30 pm-9:14 pm
2 stops41h 14m
$1,507
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Wed 4/29
8:57 am-10:20 am
2 stops34h 53m
Adelaide
Wed 5/13
5:10 pm-2:16 pm
2 stops35h 36m
$1,510
ChicagoBrisbane
ORD - BNE
ORDBNE
Chicago O'Hare Intl
Sat 5/23
3:40 pm-7:05 am
1 stop24h 25m
Brisbane
Wed 5/27
10:00 am-9:34 am
2 stops38h 34m
$1,539
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-MEL
ORD-SYD
ORD-BNE
ORD-ADL
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-MEL
ORD-SYD
ORD-BNE
ORD-ADL
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Australia?
Currently, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Australia (average of $198). Flying from Chicago O'Hare Intl Airport to Australia in April is currently the most expensive (average of $911). 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.
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 April 9, 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
7.4
Boarding
8.2
Comfort
8.0
Crew
8.5
Overall
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Entertainment
7.4
Food
7.4
Boarding
8.2
Comfort
8.0
Crew
8.5
Overall
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Entertainment
7.4
Food
7.4
Boarding
8.2
Comfort
8.0
Crew
8.5
Overall
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Entertainment
7.4
Food
7.4
Boarding
8.2
Comfort
8.0
Crew
8.5
Overall
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Entertainment
7.4
Food
7.4
Boarding
8.2
Comfort
8.0
Crew
8.5
Overall
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Entertainment
7.4
Food
7.4
Boarding
8.2
Comfort
8.0
Crew
8.5
Overall
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for O'Hare Intl to Australia
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Complete your trip
Complete your trip to Australia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from O'Hare Intl to Australia by cabin class
Find flights from O'Hare Intl to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
O'Hare Intl and Australia flights
Browse other O'Hare Intl and Australia flight options. Last updated on April 9, 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 April 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$198 | Average$1,487 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$712 | Average$1,099 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$716 | Average$1,268 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$837 | Average$1,588 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$870 | Average$1,660 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,034 | Average$1,467 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,177 | Average$1,259 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,217 | Average$1,489 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$1,263 | Average$1,762 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,470 | Average$1,888 | FlexibilityNo cancel fee | On-time72% |