$419+ Cheap flights from Chicago (CHI) 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SYD
Apr 9 — Apr 161
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Australia with Cheapflights
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Cheapest flights from Chicago to AustraliaExplore the most affordable flight options available from Chicago to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
Explore the most affordable flight options available from Chicago to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
This Trip.com deal was found by Cheapflights users on 3/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:15 am
ORD
- BNE
2 stops38h 20m
Multiple Airlines
Fri 4/2411:35 am
BNE
- ORD
2 stops26h 52m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$841
This Trip.com deal was found by Cheapflights users on 3/9. 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.
Sun 5/35:15 am
ORD
- MEL
2 stops40h 10m
Multiple Airlines
Wed 5/131:25 pm
MEL
- ORD
2 stops25h 02m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$875
This Trip.com deal was found by Cheapflights users on 3/5. 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.
Sun 4/195:15 am
ORD
- MEL
2 stops40h 10m
Multiple Airlines
Sun 5/31:30 pm
MEL
- ORD
2 stops31h 05m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$893
This Trip.com deal was found by Cheapflights users on 3/9. 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.
Sun 4/192:00 pm
ORD
- BNE
2 stops29h 35m
Multiple Airlines
Sun 4/2611:35 am
BNE
- ORD
2 stops33h 00m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$896
This BusinessClass deal was found by Cheapflights users on 3/9. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/33:40 pm
ORD
- BNE
1 stop24h 25m
Multiple Airlines
Mon 5/1110:00 am
BNE
- ORD
2 stops34h 25m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$918
This Orbitz deal was found by Cheapflights users on 3/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/173:35 pm
ORD
- BNE
1 stop25h 10m
Air Canada
Tue 5/510:00 am
BNE
- ORD
1 stop19h 45m
Air Canada
Deal found 3/5![Air Canada logo]()
$919
This Vliegwinkel deal was found by Cheapflights users on 3/7. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/53:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Tue 4/2110:00 am
BNE
- ORD
1 stop19h 45m
Air Canada
Deal found 3/7![Air Canada logo]()
$920
This Air Canada deal was found by Cheapflights users on 3/9. 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 5/311:05 am
ORD
- BNE
2 stops29h 00m
Air Canada
Mon 5/1110:00 am
BNE
- ORD
2 stops25h 08m
Air Canada
Deal found 3/9![Air Canada logo]()
$926
This Trip.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:30 am
ORD
- MEL
2 stops37h 30m
Multiple Airlines
Tue 4/281:25 pm
MEL
- ORD
2 stops25h 02m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$935
This BusinessClass deal was found by Cheapflights users on 3/6. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/13:40 pm
ORD
- BNE
1 stop24h 25m
Multiple Airlines
Wed 5/1310:00 am
BNE
- ORD
2 stops34h 25m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$955
This Trip.com deal was found by Cheapflights users on 3/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:15 am
ORD
- MEL
2 stops40h 10m
Multiple Airlines
Mon 4/271:30 pm
MEL
- ORD
2 stops24h 57m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$957
This Trip.com deal was found by Cheapflights users on 3/6. 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 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 stops39h 50m
Multiple Airlines
Mon 4/271:15 pm
SYD
- ORD
2 stops25h 12m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$966
Best flights from Chicago to AustraliaDiscover carefully curated flight deals from Chicago to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
Discover carefully curated flight deals from Chicago to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
This Air Canada deal was found by Cheapflights users on 3/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2110:52 am
ORD
- ADL
3 stops34h 28m
Multiple Airlines
Tue 4/285:15 pm
ADL
- ORD
2 stops36h 00m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$1,035
This oojo deal was found by Cheapflights users on 3/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2912:30 pm
ORD
- MEL
1 stop25h 30m
Qantas Airways
Sun 5/314:35 pm
MEL
- ORD
2 stops38h 17m
Qantas Airways
Deal found 3/5![Qantas Airways logo]()
$1,184
This Air Canada deal was found by Cheapflights users on 3/9. 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.
Thu 4/236:01 pm
ORD
- BNE
2 stops46h 04m
Air Canada
Mon 4/2710:00 am
BNE
- ORD
2 stops21h 35m
Air Canada
Deal found 3/9![Air Canada logo]()
$1,220
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Sat 3/142:26 pm
ORD
- ADL
1 stop26h 34m
United Airlines
Wed 3/252:15 pm
ADL
- ORD
1 stop21h 30m
United Airlines
Deal found 3/6![United Airlines logo]()
$1,258
This Delta deal was found by Cheapflights users on 3/5. 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 4/262:09 pm
ORD
- SYD
2 stops25h 41m
Delta
Sun 5/109:15 am
SYD
- ORD
2 stops22h 14m
Delta
Deal found 3/5![Delta logo]()
$1,498
This Mytrip deal was found by Cheapflights users on 3/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:15 pm
ORD
- CBR
3 stops30h 40m
Air New Zealand
Sun 4/266:30 pm
CBR
- ORD
3 stops43h 58m
Air New Zealand
Deal found 3/8![Air New Zealand logo]()
$1,714
This BYOjet deal was found by Cheapflights users on 3/9. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/64:15 pm
ORD
- ADL
2 stops33h 40m
Cathay Pacific
Mon 4/136:25 am
ADL
- ORD
2 stops46h 00m
Cathay Pacific
Deal found 3/9![Cathay Pacific logo]()
$1,920
This Japan Airlines deal was found by Cheapflights users on 3/6. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/262:10 pm
ORD
- SYD
1 stop25h 10m
Japan Airlines
Sun 5/108:55 am
SYD
- ORD
2 stops38h 36m
Japan Airlines
Deal found 3/6![Japan Airlines logo]()
$2,128
This Qatar Airways deal was found by Cheapflights users on 3/7. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:20 pm
ORD
- ADL
1 stop30h 00m
Qatar Airways
Tue 4/286:20 pm
ADL
- ORD
2 stops35h 15m
Qatar Airways
Deal found 3/7![Qatar Airways logo]()
$2,188
This KLM deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/54:20 pm
ORD
- BNE
3 stops61h 35m
KLM
Mon 5/117:25 am
BNE
- ORD
3 stops45h 50m
KLM
Deal found 3/10![KLM logo]()
$2,463
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/32:15 pm
ORD
- BNE
3 stops29h 40m
Multiple Airlines
Mon 5/117:05 pm
BNE
- ORD
3 stops39h 20m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$1,239
This Qantas Airways deal was found by Cheapflights users on 3/5. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:30 pm
ORD
- BNE
2 stops32h 45m
Qantas Airways
Sun 4/268:35 pm
BNE
- ORD
1 stop32h 41m
Qantas Airways
Deal found 3/5![Qantas Airways logo]()
$1,243
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Sat 3/146:20 pm
ORD
- ADL
1 stop22h 40m
United Airlines
Mon 3/232:15 pm
ADL
- ORD
1 stop24h 53m
United Airlines
Deal found 3/6![United Airlines logo]()
$1,258
This Air Canada deal was found by Cheapflights users on 3/5. 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 4/292:00 pm
ORD
- MEL
3 stops30h 35m
Air Canada
Sun 5/318:45 pm
MEL
- ORD
2 stops33h 00m
Air Canada
Deal found 3/5![Air Canada logo]()
$1,274
This Emirates deal was found by Cheapflights users on 3/7. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/28:35 pm
ORD
- SYD
2 stops41h 35m
Emirates
Wed 4/88:10 pm
SYD
- ORD
1 stop34h 35m
Emirates
Deal found 3/7![Emirates logo]()
$2,802
This Qantas Airways deal was found by Cheapflights users on 3/5. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:56 pm
ORD
- BNE
2 stops27h 19m
Qantas Airways
Wed 4/297:55 am
BNE
- ORD
2 stops24h 49m
Qantas Airways
Deal found 3/5![Qantas Airways logo]()
$1,277
This Air Canada deal was found by Cheapflights users on 3/5. 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.
Thu 4/23:45 pm
ORD
- BNE
2 stops48h 20m
Air Canada
Fri 4/108:45 pm
BNE
- ORD
3 stops37h 40m
Air Canada
Deal found 3/5![Air Canada logo]()
$1,302
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2712:52 pm
MDW
- MEL
2 stops27h 58m
Delta
Sun 5/1010:00 am
MEL
- MDW
2 stops23h 33m
Delta
Deal found 3/8![Delta logo]()
$1,501
This Air Canada deal was found by Cheapflights users on 3/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/33:40 pm
ORD
- CBR
2 stops28h 00m
Multiple Airlines
Sun 5/246:10 am
CBR
- ORD
3 stops28h 15m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$1,404
This United Airlines deal was found by Cheapflights users on 3/5. 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 4/152:15 pm
ORD
- BNE
1 stop25h 15m
United Airlines
Sun 4/2610:30 am
BNE
- ORD
1 stop19h 24m
United Airlines
Deal found 3/5![United Airlines logo]()
$1,431
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:38 pm
MDW
- MEL
2 stops46h 12m
Delta
Wed 5/1310:00 am
MEL
- MDW
2 stops23h 33m
Delta
Deal found 3/8![Delta logo]()
$1,512
This KAYAK deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:45 pm
ORD
- CNS
2 stops48h 00m
Air New Zealand
Sun 9/206:20 pm
CNS
- ORD
2 stops41h 02m
Air New Zealand
Deal found 3/10![Air New Zealand logo]()
$1,734
This Qantas Airways deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/301:18 pm
ORD
- MEL
1 stop26h 27m
Qantas Airways
Wed 5/131:35 pm
MEL
- ORD
1 stop21h 22m
Qantas Airways
Deal found 3/10![Qantas Airways logo]()
$1,435
This Qantas Airways deal was found by Cheapflights users on 3/5. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:56 pm
ORD
- SYD
1 stop20h 59m
Multiple Airlines
Sun 5/109:10 am
SYD
- ORD
1 stop20h 06m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$1,452
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Mon 4/204:00 pm
ORD
- BNE
2 stops23h 30m
United Airlines
Mon 4/276:55 am
BNE
- ORD
2 stops25h 10m
United Airlines
Deal found 3/6![United Airlines logo]()
$1,467
This Delta deal was found by Cheapflights users on 3/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2912:52 pm
MDW
- MEL
2 stops27h 58m
Delta
Sun 5/3110:00 am
MEL
- MDW
2 stops26h 09m
Delta
Deal found 3/7![Delta logo]()
$1,512
This Air Canada deal was found by Cheapflights users on 3/6. 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 4/203:40 pm
ORD
- CBR
2 stops28h 00m
Air Canada
Mon 4/276:45 pm
CBR
- ORD
2 stops35h 00m
Air Canada
Deal found 3/6![Air Canada logo]()
$1,598
This oojo deal was found by Cheapflights users on 3/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/39:13 pm
ORD
- BNE
1 stop40h 47m
Qantas Airways
Mon 5/118:35 pm
BNE
- ORD
1 stop36h 06m
Qantas Airways
Deal found 3/9![Qantas Airways logo]()
$1,458
This BusinessClass deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/73:40 pm
ORD
- CNS
2 stops30h 30m
Multiple Airlines
Thu 4/236:00 am
CNS
- ORD
2 stops23h 45m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$1,487
This United Airlines deal was found by Cheapflights users on 3/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:31 pm
ORD
- MEL
1 stop26h 44m
United Airlines
Tue 9/110:55 am
MEL
- ORD
1 stop24h 27m
United Airlines
Deal found 3/7![United Airlines logo]()
$1,500
Last-minute flights from Chicago to AustraliaDiscover last-minute flight deals from Chicago to Australia. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Australia. Data last updated March 10, 2026 and is based on user searches.
This Orbitz deal was found by Cheapflights users on 3/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/173:35 pm
ORD
- BNE
1 stop25h 10m
Air Canada
Tue 5/510:00 am
BNE
- ORD
1 stop19h 45m
Air Canada
Deal found 3/5![Air Canada logo]()
$919
This Vliegwinkel deal was found by Cheapflights users on 3/7. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/53:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Tue 4/2110:00 am
BNE
- ORD
1 stop19h 45m
Air Canada
Deal found 3/7![Air Canada logo]()
$920
This Trip.com deal was found by Cheapflights users on 3/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:15 am
ORD
- BNE
2 stops38h 20m
Multiple Airlines
Fri 4/2411:35 am
BNE
- ORD
2 stops26h 52m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$841
This Trip.com deal was found by Cheapflights users on 3/5. 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.
Sun 4/195:15 am
ORD
- MEL
2 stops40h 10m
Multiple Airlines
Sun 5/31:30 pm
MEL
- ORD
2 stops31h 05m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$893
This Trip.com deal was found by Cheapflights users on 3/9. 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.
Sun 4/192:00 pm
ORD
- BNE
2 stops29h 35m
Multiple Airlines
Sun 4/2611:35 am
BNE
- ORD
2 stops33h 00m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$896
This Trip.com deal was found by Cheapflights users on 3/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:15 am
ORD
- MEL
2 stops40h 10m
Multiple Airlines
Mon 4/271:30 pm
MEL
- ORD
2 stops24h 57m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$957
This Trip.com deal was found by Cheapflights users on 3/6. 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 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 stops39h 50m
Multiple Airlines
Mon 4/271:15 pm
SYD
- ORD
2 stops25h 12m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$966
This Trip.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:30 am
ORD
- MEL
2 stops37h 30m
Multiple Airlines
Tue 4/281:25 pm
MEL
- ORD
2 stops25h 02m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$935
This Air Canada deal was found by Cheapflights users on 3/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:40 pm
ORD
- ADL
2 stops29h 40m
Multiple Airlines
Tue 4/285:15 pm
ADL
- ORD
2 stops36h 00m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$1,027
This Expedia deal was found by Cheapflights users on 3/5. 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.
Wed 4/223:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Thu 4/3010:00 am
BNE
- ORD
1 stop19h 45m
Air Canada
Deal found 3/5![Air Canada logo]()
$956
This Trip.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:30 am
ORD
- MEL
2 stops37h 35m
Multiple Airlines
Wed 4/291:25 pm
MEL
- ORD
2 stops25h 02m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$993
This Air Canada deal was found by Cheapflights users on 3/9. 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.
Wed 4/298:40 am
ORD
- BNE
2 stops31h 25m
Air Canada
Thu 5/710:00 am
BNE
- ORD
2 stops25h 08m
Air Canada
Deal found 3/9![Air Canada logo]()
$963
One-way flights from Chicago to AustraliaSearch for one-way flight options from Chicago to Australia. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
Search for one-way flight options from Chicago to Australia. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Trip.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:30 am
ORD
- BNE
2 stops36h 05m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$419
This Trip.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:30 am
ORD
- MEL
2 stops37h 30m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$422
This Trip.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/172:00 pm
ORD
- MEL
2 stops31h 05m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$432
This Trip.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:30 am
ORD
- SYD
2 stops47h 40m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$433
This Trip.com deal was found by Cheapflights users on 3/9. 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.
Thu 5/75:15 am
ORD
- SYD
2 stops39h 35m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$458
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/115:19 pm
ORD
- SYD
2 stops27h 31m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$471
This Trip.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:15 am
MDW
- SYD
3 stops38h 35m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:44 pm
ORD
- BNE
2 stops45h 56m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$475
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 5/152:00 pm
ORD
- MEL
2 stops31h 05m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$476
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/152:00 pm
ORD
- SYD
2 stops30h 50m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$476
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 5/72:00 pm
ORD
- CNS
2 stops30h 40m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$476
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:48 pm
ORD
- SYD
2 stops47h 02m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$483
Find flight deals from Chicago to Australia
Keep the following information in mind while searching for Chicago to Australia flight deals. Data was last updated March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $841 (Trip.com) |
One-way from | $419 (Trip.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,387 |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago 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 March 10, 2026.
Use the filters below to find and compare flights from Chicago 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
Tue 4/21
10:52 am-11:50 am
3 stops34h 28m
Adelaide
Tue 4/28
5:15 pm-2:45 pm
2 stops36h 00m
$1,035
ChicagoMelbourne
ORD - MEL
ORDMEL
Chicago O'Hare Intl
Wed 4/29
12:30 pm-5:00 am
1 stop25h 30m
Melbourne
Sun 5/31
4:35 pm-3:52 pm
2 stops38h 17m
$1,184
ChicagoBrisbane
ORD - BNE
ORDBNE
Chicago O'Hare Intl
Thu 4/23
6:01 pm-7:05 am
2 stops46h 04m
Brisbane
Mon 4/27
10:00 am-4:35 pm
2 stops21h 35m
$1,220
ChicagoBrisbane
ORD - BNE
ORDBNE
Chicago O'Hare Intl
Sun 5/3
2:15 pm-10:55 am
3 stops29h 40m
Brisbane
Mon 5/11
7:05 pm-7:25 pm
3 stops39h 20m
$1,239
ChicagoBrisbane
ORD - BNE
ORDBNE
Chicago O'Hare Intl
Mon 4/13
12:30 pm-12:15 pm
2 stops32h 45m
Brisbane
Sun 4/26
8:35 pm-2:16 pm
1 stop32h 41m
$1,243
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Sat 3/14
2:26 pm-8:30 am
1 stop26h 34m
Adelaide
Wed 3/25
2:15 pm-8:15 pm
1 stop21h 30m
$1,258
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Sat 3/14
6:20 pm-8:30 am
1 stop22h 40m
Adelaide
Mon 3/23
2:15 pm-11:38 pm
1 stop24h 53m
$1,258
ChicagoMelbourne
ORD - MEL
ORDMEL
Chicago O'Hare Intl
Wed 4/29
2:00 pm-11:35 am
3 stops30h 35m
Melbourne
Sun 5/31
8:45 pm-2:45 pm
2 stops33h 00m
$1,274
ChicagoBrisbane
ORD - BNE
ORDBNE
Chicago O'Hare Intl
Mon 4/13
6:56 pm-1:15 pm
2 stops27h 19m
Brisbane
Wed 4/29
7:55 am-5:44 pm
2 stops24h 49m
$1,277
ChicagoBrisbane
ORD - BNE
ORDBNE
Chicago O'Hare Intl
Thu 4/2
3:45 pm-7:05 am
2 stops48h 20m
Brisbane
Fri 4/10
8:45 pm-7:25 pm
3 stops37h 40m
$1,302
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Chicago to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from Chicago with our price prediction graph.
ORD-BNE
ORD-MEL
ORD-SYD
ORD-ADL
MDW-SYD
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 to Australia
CHI-AU0
ORD-BNE
ORD-MEL
ORD-SYD
ORD-ADL
What is the cheapest month to book a flight from Chicago to Australia?
Currently, August is the cheapest month in which you can book a flight from Chicago to Australia (average of $198). Flying from Chicago to Australia in February is currently the most expensive (average of $870). 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 March 10, 2026.
See what other customers who have flown with Air New Zealand,Qantas Airways, andUnited Airlines from Chicago to Australia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Boarding
8.2
Comfort
8.0
Food
7.4
Overall
8.0
Entertainment
7.4
Reviews
1 / 20
10.0
ExcellentMarsha,Feb 2026
LAX - AKL
Crew
8.6
Boarding
8.2
Comfort
8.0
Food
7.4
Overall
8.0
Entertainment
7.4
Reviews
1 / 20
10.0
ExcellentMarsha,Feb 2026
LAX - AKL
Crew
8.6
Boarding
8.2
Comfort
8.0
Food
7.4
Overall
8.0
Entertainment
7.4
Reviews
1 / 20
10.0
ExcellentMarsha,Feb 2026
LAX - AKL
Crew
8.6
Boarding
8.2
Comfort
8.0
Food
7.4
Overall
8.0
Entertainment
7.4
Reviews
1 / 20
10.0
ExcellentMarsha,Feb 2026
LAX - AKL
Crew
8.6
Boarding
8.2
Comfort
8.0
Food
7.4
Overall
8.0
Entertainment
7.4
Reviews
1 / 20
10.0
ExcellentMarsha,Feb 2026
LAX - AKL
Crew
8.6
Boarding
8.2
Comfort
8.0
Food
7.4
Overall
8.0
Entertainment
7.4
Reviews
1 / 20
10.0
ExcellentMarsha,Feb 2026
LAX - AKL
Related info for your journey
Find useful and relevant information for your journey from Chicago 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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Chicago 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 Chicago to Australia by cabin class
Find flights from Chicago to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chicago and Australia flights
Browse other Chicago and Australia flight options. Last updated on March 10, 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 Chicago to Australia
Discover the top 10 airlines that operate flights from Chicago 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 March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$675 | Average$1,692 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$710 | Average$1,459 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$795 | Average$1,303 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$870 | Average$1,650 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$872 | Average$1,187 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$948 | Average$1,034 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,177 | Average$1,237 | 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$1,804 | FlexibilityNo cancel fee | On-time72% |