$516+ 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
may. 28 — jun. 41
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 abril 28, 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 abril 28, 2026.
This Trip.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
lun. 9/1411:49 am
ORD
- SYD
3 stops33h 01m
Multiple Airlines
dom. 9/201:15 pm
SYD
- ORD
3 stops36h 33m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$1,178
This Trip.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
mié. 5/276:55 am
ORD
- MEL
3 stops38h 10m
Multiple Airlines
dom. 6/71:30 pm
MEL
- ORD
3 stops46h 02m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$1,189
This Trip.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
sáb. 5/166:55 am
ORD
- MEL
3 stops38h 05m
Multiple Airlines
sáb. 5/301:30 pm
MEL
- ORD
3 stops48h 43m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,194
This Trip.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
jue. 5/76:50 am
ORD
- MEL
3 stops38h 10m
Multiple Airlines
lun. 5/111:30 pm
MEL
- ORD
3 stops46h 02m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$1,211
This Trip.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
dom. 5/32:00 pm
ORD
- SYD
2 stops41h 10m
Multiple Airlines
sáb. 5/96:00 am
SYD
- ORD
3 stops45h 04m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$1,228
This Cheapflightsfares deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/265:45 pm
ORD
- SYD
1 stop24h 40m
ANA
mar. 9/88:55 pm
SYD
- ORD
1 stop26h 45m
ANA
Deal found 4/28![ANA logo]()
$1,231
This Cheapflightsfares deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/55:45 pm
ORD
- SYD
1 stop34h 25m
ANA
dom. 8/3011:45 am
SYD
- ORD
2 stops32h 00m
ANA
Deal found 4/27![ANA logo]()
$1,240
This CrystalTravel deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/147:50 pm
ORD
- SYD
2 stops32h 20m
ANA
vie. 8/2811:45 am
SYD
- ORD
2 stops32h 00m
ANA
Deal found 4/25![ANA logo]()
$1,247
This CrystalTravel deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/155:45 pm
ORD
- SYD
1 stop34h 25m
ANA
sáb. 8/2911:45 am
SYD
- ORD
2 stops32h 00m
ANA
Deal found 4/24![ANA logo]()
$1,248
This CrystalTravel deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/217:50 pm
ORD
- SYD
2 stops32h 20m
ANA
vie. 8/2811:45 am
SYD
- ORD
2 stops32h 00m
ANA
Deal found 4/26![ANA logo]()
$1,251
This CrystalTravel deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/195:45 pm
ORD
- SYD
1 stop34h 25m
ANA
dom. 11/229:45 pm
SYD
- ORD
1 stop26h 35m
ANA
Deal found 4/27![ANA logo]()
$1,254
This Gotogate deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/255:45 pm
ORD
- SYD
1 stop24h 40m
ANA
lun. 9/711:45 am
SYD
- ORD
1 stop35h 55m
ANA
Deal found 4/27![ANA logo]()
$1,257
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 abril 28, 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 abril 28, 2026.
This Bravofly deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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.
lun. 6/83:20 pm
ORD
- ADL
2 stops27h 35m
Qantas Airways
lun. 6/157:50 am
ADL
- ORD
2 stops26h 08m
Qantas Airways
Deal found 4/24![Qantas Airways logo]()
$1,378
This Alaska Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
mar. 9/18:42 pm
ORD
- SYD
2 stops31h 08m
Multiple Airlines
mar. 9/88:45 pm
SYD
- ORD
2 stops24h 37m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$1,410
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
dom. 6/72:29 pm
ORD
- CBR
2 stops31h 46m
United Airlines
dom. 6/147:15 am
CBR
- ORD
2 stops31h 28m
United Airlines
Deal found 4/23![United Airlines logo]()
$1,528
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
mié. 5/202:11 pm
ORD
- MEL
2 stops26h 39m
Delta
dom. 5/3110:00 am
MEL
- ORD
2 stops26h 53m
Delta
Deal found 4/23![Delta logo]()
$1,587
This American Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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.
lun. 6/86:59 pm
ORD
- OOL
2 stops24h 41m
American Airlines
lun. 6/1511:25 am
OOL
- ORD
2 stops43h 24m
American Airlines
Deal found 4/24![American Airlines logo]()
$1,803
This FlightHub deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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.
lun. 10/123:40 pm
ORD
- CBR
2 stops28h 00m
Air Canada
mié. 10/287:05 am
CBR
- ORD
3 stops28h 30m
Air Canada
Deal found 4/25![Air Canada logo]()
$1,863
This Qatar Airways deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
vie. 10/167:20 pm
ORD
- PER
1 stop34h 15m
Qatar Airways
dom. 11/11:20 pm
PER
- ORD
2 stops39h 10m
Qatar Airways
Deal found 4/23![Qatar Airways logo]()
$1,955
This BYOjet deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/114:45 pm
ORD
- OOL
2 stops27h 00m
Air New Zealand
jue. 6/186:00 pm
OOL
- ORD
3 stops41h 35m
Air New Zealand
Deal found 4/27![Air New Zealand logo]()
$2,100
This Malaysia Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
dom. 10/257:50 pm
ORD
- PER
2 stops30h 25m
Malaysia Airlines
mar. 10/272:25 am
PER
- ORD
2 stops49h 10m
Malaysia Airlines
Deal found 4/23![Malaysia Airlines logo]()
$2,101
This oojo deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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.
jue. 5/147:21 pm
ORD
- ADL
2 stops27h 49m
Qantas Airways
sáb. 5/236:00 am
ADL
- ORD
2 stops28h 03m
Qantas Airways
Deal found 4/24![Qantas Airways logo]()
$1,401
This oojo deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
jue. 7/25:10 pm
ORD
- ADL
2 stops28h 15m
Qantas Airways
dom. 8/26:00 am
ADL
- ORD
2 stops26h 42m
Qantas Airways
Deal found 4/27![Qantas Airways logo]()
$1,407
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
dom. 6/78:55 am
ORD
- OOL
2 stops36h 30m
United Airlines
dom. 6/146:00 am
OOL
- ORD
2 stops23h 35m
United Airlines
Deal found 4/23![United Airlines logo]()
$1,555
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
lun. 6/111:26 am
ORD
- SYD
2 stops28h 24m
Delta
lun. 6/159:15 am
SYD
- ORD
2 stops24h 44m
Delta
Deal found 4/23![Delta logo]()
$1,595
This Qantas Airways deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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.
jue. 6/253:20 pm
ORD
- BNE
1 stop22h 40m
Multiple Airlines
dom. 7/58:35 pm
BNE
- ORD
1 stop23h 25m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$1,595
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
mié. 5/203:45 pm
ORD
- MEL
1 stop25h 30m
United Airlines
dom. 5/3110:55 am
MEL
- ORD
1 stop20h 43m
United Airlines
Deal found 4/23![United Airlines logo]()
$1,575
This Ovago deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/76:59 pm
ORD
- AVV
2 stops36h 51m
Multiple Airlines
mar. 6/162:55 pm
AVV
- ORD
2 stops39h 54m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$1,599
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
vie. 7/242:07 pm
ORD
- MEL
2 stops26h 43m
Delta
vie. 8/710:00 am
MEL
- ORD
2 stops23h 45m
Delta
Deal found 4/27![Delta logo]()
$1,614
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
jue. 6/116:59 pm
ORD
- OOL
2 stops24h 41m
American Airlines
jue. 6/1811:25 am
OOL
- ORD
2 stops41h 53m
American Airlines
Deal found 4/27![American Airlines logo]()
$1,804
This oojo deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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.
dom. 6/286:59 pm
ORD
- ADL
2 stops26h 26m
Qantas Airways
vie. 7/37:45 pm
ADL
- ORD
2 stops34h 38m
Qantas Airways
Deal found 4/24![Qantas Airways logo]()
$1,500
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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.
jue. 6/1812:56 pm
ORD
- MEL
2 stops28h 19m
United Airlines
sáb. 7/410:55 am
MEL
- ORD
2 stops25h 44m
United Airlines
Deal found 4/24![United Airlines logo]()
$1,590
This Alaska Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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.
mié. 5/207:49 pm
ORD
- SYD
2 stops32h 01m
Multiple Airlines
vie. 6/58:45 pm
SYD
- ORD
2 stops37h 05m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$1,614
This Priceline deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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.
lun. 10/192:15 pm
ORD
- ADL
3 stops32h 10m
Air Canada
mar. 11/107:55 pm
ADL
- ORD
3 stops40h 10m
Air Canada
Deal found 4/25![Air Canada logo]()
$2,010
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
mié. 5/273:20 pm
ORD
- CBR
2 stops28h 00m
American Airlines
mié. 6/36:10 am
CBR
- ORD
2 stops26h 52m
American Airlines
Deal found 4/27![American Airlines logo]()
$1,844
This oojo deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
sáb. 6/203:50 pm
ORD
- CBR
2 stops26h 25m
Qantas Airways
mié. 9/306:00 am
CBR
- ORD
2 stops24h 50m
Qantas Airways
Deal found 4/23![Qantas Airways logo]()
$1,569
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
vie. 6/264:12 pm
ORD
- MEL
2 stops24h 18m
United Airlines
dom. 7/510:55 am
MEL
- ORD
1 stop20h 43m
United Airlines
Deal found 4/27![United Airlines logo]()
$1,602
This Alaska Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
mar. 8/258:42 pm
ORD
- SYD
2 stops31h 08m
Multiple Airlines
mar. 9/18:45 pm
SYD
- ORD
3 stops24h 37m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$1,636
This American Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
mar. 5/265:10 pm
ORD
- CBR
2 stops26h 10m
American Airlines
mar. 6/26:10 am
CBR
- ORD
2 stops25h 34m
American Airlines
Deal found 4/26![American Airlines logo]()
$1,844
This Priceline deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
dom. 6/72:15 pm
ORD
- OOL
3 stops29h 25m
Air Canada
dom. 6/146:00 am
OOL
- ORD
2 stops38h 40m
Air Canada
Deal found 4/23![Air Canada logo]()
$2,050
This CrystalTravel deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/18:15 am
ORD
- MEL
1 stop31h 30m
Qantas Airways
jue. 6/116:00 am
MEL
- ORD
2 stops30h 38m
Qantas Airways
Deal found 4/23![Qantas Airways logo]()
$1,599
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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.
jue. 9/38:40 am
ORD
- MEL
1 stop32h 35m
United Airlines
vie. 9/1110:55 am
MEL
- ORD
1 stop25h 52m
United Airlines
Deal found 4/24![United Airlines logo]()
$1,602
Last-minute flights from O'Hare Intl to AustraliaDiscover last-minute flight deals from O'Hare Intl to Australia. Data last updated abril 28, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Australia. Data last updated abril 28, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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.
vie. 5/19:44 pm
ORD
- SYD
2 stops57h 26m
Multiple Airlines
sáb. 5/235:50 pm
SYD
- ORD
1 stop27h 44m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$1,326
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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.
sáb. 5/210:23 am
ORD
- SYD
2 stops44h 47m
Multiple Airlines
sáb. 5/235:50 pm
SYD
- ORD
1 stop27h 44m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$1,340
This Trip.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
dom. 5/32:00 pm
ORD
- SYD
2 stops41h 10m
Multiple Airlines
sáb. 5/96:00 am
SYD
- ORD
3 stops45h 04m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$1,228
This Trip.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
dom. 5/32:00 pm
ORD
- MEL
2 stops31h 25m
Multiple Airlines
sáb. 5/91:30 pm
MEL
- ORD
3 stops37h 34m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$1,299
This Trip.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
jue. 5/76:50 am
ORD
- MEL
3 stops38h 10m
Multiple Airlines
lun. 5/111:30 pm
MEL
- ORD
3 stops46h 02m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$1,211
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
jue. 5/149:30 am
ORD
- SYD
2 stops35h 20m
Multiple Airlines
sáb. 5/305:50 pm
SYD
- ORD
1 stop27h 09m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$1,311
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
jue. 5/146:15 am
ORD
- SYD
2 stops38h 35m
Multiple Airlines
dom. 5/315:50 pm
SYD
- ORD
1 stop27h 09m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$1,313
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
jue. 5/149:30 am
ORD
- SYD
2 stops35h 20m
Multiple Airlines
jue. 5/285:50 pm
SYD
- ORD
1 stop27h 44m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$1,333
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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.
vie. 5/158:56 pm
ORD
- SYD
2 stops47h 54m
Multiple Airlines
sáb. 5/235:50 pm
SYD
- ORD
1 stop27h 44m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$1,280
This Trip.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
sáb. 5/166:55 am
ORD
- MEL
3 stops38h 05m
Multiple Airlines
sáb. 5/301:30 pm
MEL
- ORD
3 stops48h 43m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,194
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
dom. 5/247:15 am
ORD
- SYD
2 stops37h 35m
Multiple Airlines
dom. 5/315:50 pm
SYD
- ORD
1 stop27h 09m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$1,339
This Trip.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
mié. 5/276:55 am
ORD
- MEL
3 stops38h 10m
Multiple Airlines
dom. 6/71:30 pm
MEL
- ORD
3 stops46h 02m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$1,189
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 abril 28, 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 abril 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
sáb. 5/3011:57 am
ORD
- CNS
2 stops32h 43m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$516
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
sáb. 5/3011:57 am
ORD
- SYD
2 stops32h 53m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$517
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
sáb. 9/54:10 pm
ORD
- CNS
2 stops28h 30m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$523
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
lun. 8/248:34 pm
ORD
- SYD
2 stops48h 16m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$528
This Trip.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
lun. 5/47:15 am
ORD
- SYD
2 stops37h 35m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$545
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
sáb. 5/239:37 pm
ORD
- SYD
3 stops47h 13m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$566
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
mié. 5/69:37 pm
ORD
- SYD
3 stops47h 13m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$567
This Kiwi.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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.
mar. 9/151:42 pm
ORD
- CNS
3 stops30h 58m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$575
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
dom. 5/310:50 am
ORD
- SYD
3 stops58h 00m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$577
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
jue. 6/2512:31 pm
ORD
- MEL
3 stops43h 54m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$586
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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.
mar. 5/199:37 pm
ORD
- MEL
3 stops47h 28m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$594
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
vie. 5/158:56 pm
ORD
- BNE
3 stops57h 49m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$595
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 abril 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,189 (Trip.com) |
One-way from | $516 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $1,441 |
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 abril 28, 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
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
lun. 6/8
3:20 pm-9:25 am
2 stops27h 35m
Adelaide
lun. 6/15
7:50 am-7:28 pm
2 stops26h 08m
$1,378
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
jue. 5/14
7:21 pm-1:40 pm
2 stops27h 49m
Adelaide
sáb. 5/23
6:00 am-7:33 pm
2 stops28h 03m
$1,401
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
jue. 7/2
5:10 pm-11:55 am
2 stops28h 15m
Adelaide
dom. 8/2
6:00 am-6:12 pm
2 stops26h 42m
$1,407
ChicagoSydney
ORD - SYD
ORDSYD
Chicago O'Hare Intl
mar. 9/1
8:42 pm-6:50 pm
2 stops31h 08m
Sydney Kingsford Smith
mar. 9/8
8:45 pm-6:22 am
2 stops24h 37m
$1,410
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
dom. 6/28
6:59 pm-11:55 am
2 stops26h 26m
Adelaide
vie. 7/3
7:45 pm-3:53 pm
2 stops34h 38m
$1,500
ChicagoCanberra
ORD - CBR
ORDCBR
Chicago O'Hare Intl
dom. 6/7
2:29 pm-1:15 pm
2 stops31h 46m
Canberra
dom. 6/14
7:15 am-11:43 pm
2 stops31h 28m
$1,528
ChicagoCoolangatta
ORD - OOL
ORDOOL
Chicago O'Hare Intl
dom. 6/7
8:55 am-12:25 pm
2 stops36h 30m
Coolangatta Gold Coast
dom. 6/14
6:00 am-2:35 pm
2 stops23h 35m
$1,555
ChicagoCanberra
ORD - CBR
ORDCBR
Chicago O'Hare Intl
sáb. 6/20
3:50 pm-9:15 am
2 stops26h 25m
Canberra
mié. 9/30
6:00 am-3:50 pm
2 stops24h 50m
$1,569
ChicagoMelbourne
ORD - MEL
ORDMEL
Chicago O'Hare Intl
mié. 5/20
3:45 pm-8:15 am
1 stop25h 30m
Melbourne
dom. 5/31
10:55 am-4:38 pm
1 stop20h 43m
$1,575
ChicagoMelbourne
ORD - MEL
ORDMEL
Chicago O'Hare Intl
mié. 5/20
2:11 pm-7:50 am
2 stops26h 39m
Melbourne
dom. 5/31
10:00 am-9:53 pm
2 stops26h 53m
$1,587
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from O'Hare Intl to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from O'Hare Intl with our price prediction graph.
ORD-SYD
ORD-MEL
ORD-CNS
ORD-BNE
ORD-PER
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago O'Hare Intl Airport to Australia
ORD-AU0
ORD-SYD
ORD-MEL
ORD-CNS
ORD-BNE
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 55 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 February is currently the most expensive (average of $839). 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 abril 28, 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.
Comfort
7.9
Food
7.4
Boarding
8.2
Crew
8.5
Overall
8.0
Entertainment
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
7.9
Food
7.4
Boarding
8.2
Crew
8.5
Overall
8.0
Entertainment
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
7.9
Food
7.4
Boarding
8.2
Crew
8.5
Overall
8.0
Entertainment
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
7.9
Food
7.4
Boarding
8.2
Crew
8.5
Overall
8.0
Entertainment
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
7.9
Food
7.4
Boarding
8.2
Crew
8.5
Overall
8.0
Entertainment
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
7.9
Food
7.4
Boarding
8.2
Crew
8.5
Overall
8.0
Entertainment
7.4
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 abril 28, 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 abril 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$198 | Average$1,487 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$317 | Average$1,418 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$712 | Average$1,105 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$716 | Average$1,212 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$837 | Average$1,582 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$870 | Average$1,663 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,186 | Average$1,288 | 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$1,418 | Average$1,890 | FlexibilityNo cancel fee | On-time72% |