$696+ Cheap flights from Australia to Illinois
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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
abr. 21 — abr. 281
Round-trip
1 adult, Economy
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Cheapest flights from Australia to IllinoisExplore the most affordable flight options available from Australia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 22, 2026.
Explore the most affordable flight options available from Australia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 22, 2026.
This Trip.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/1811:55 am
BNE
- ORD
2 stops26h 32m
Multiple Airlines
sáb. 4/258:00 am
ORD
- BNE
2 stops35h 40m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$880
This Trip.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/21:30 pm
MEL
- ORD
2 stops31h 05m
Multiple Airlines
sáb. 5/93:00 pm
ORD
- MEL
2 stops30h 00m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$883
This Trip.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/31:30 pm
MEL
- ORD
2 stops31h 05m
Multiple Airlines
dom. 5/105:15 am
ORD
- MEL
2 stops40h 10m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$892
This Gotogate deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/169:20 am
SYD
- ORD
1 stop20h 25m
Air Canada
mié. 4/298:40 am
ORD
- SYD
2 stops31h 40m
Air Canada
Deal found 3/18![Air Canada logo]()
$899
This Trip.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/111:35 am
BNE
- ORD
2 stops26h 52m
Multiple Airlines
mié. 5/67:30 am
ORD
- BNE
2 stops36h 05m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$900
This Trip.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/31:15 pm
SYD
- ORD
2 stops31h 20m
Multiple Airlines
dom. 5/105:15 am
ORD
- SYD
2 stops39h 35m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$900
This Trip.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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.
vie. 5/111:35 am
BNE
- ORD
2 stops26h 52m
Multiple Airlines
vie. 5/85:15 am
ORD
- BNE
2 stops38h 20m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$901
This Gotogate deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/59:20 am
SYD
- ORD
2 stops44h 33m
Air Canada
mar. 5/123:40 pm
ORD
- SYD
1 stop24h 40m
Air Canada
Deal found 3/21![Air Canada logo]()
$901
This Gotogate deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/169:20 am
SYD
- ORD
2 stops25h 45m
Air Canada
jue. 4/238:40 am
ORD
- SYD
2 stops31h 40m
Air Canada
Deal found 3/18![Air Canada logo]()
$902
This Gotogate deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/49:20 am
SYD
- ORD
1 stop20h 25m
Air Canada
lun. 5/118:45 am
ORD
- SYD
2 stops31h 35m
Air Canada
Deal found 3/19![Air Canada logo]()
$904
This Trip.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/311:35 am
BNE
- ORD
2 stops33h 00m
Multiple Airlines
dom. 5/105:15 am
ORD
- BNE
2 stops38h 20m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$908
This Trip.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/511:35 am
BNE
- ORD
2 stops25h 29m
Multiple Airlines
mar. 5/127:30 am
ORD
- BNE
2 stops36h 10m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$913
Best flights from Australia to IllinoisDiscover carefully curated flight deals from Australia to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated marzo 22, 2026.
Discover carefully curated flight deals from Australia to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated marzo 22, 2026.
This Trip.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/1811:55 am
BNE
- ORD
2 stops26h 32m
Multiple Airlines
sáb. 4/258:00 am
ORD
- BNE
2 stops35h 40m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$880
This BYOjet deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/47:05 pm
BNE
- ORD
2 stops34h 40m
Air Canada
lun. 5/113:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Deal found 3/20![Air Canada logo]()
$934
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/310:00 am
MEL
- STL
2 stops22h 26m
Delta
dom. 5/107:01 pm
STL
- MEL
2 stops45h 49m
Delta
Deal found 3/18![Delta logo]()
$1,067
This American Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/79:45 am
MEL
- STL
1 stop28h 23m
American Airlines
dom. 9/278:07 pm
STL
- MEL
2 stops43h 38m
American Airlines
Deal found 3/20![American Airlines logo]()
$1,155
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/59:30 am
MEL
- ORD
1 stop20h 05m
United Airlines
mié. 8/193:55 pm
ORD
- MEL
2 stops24h 35m
United Airlines
Deal found 3/18![United Airlines logo]()
$1,184
This Qantas Airways deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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.
lun. 9/71:35 pm
MEL
- STL
1 stop19h 39m
Qantas Airways
dom. 9/276:51 pm
STL
- MEL
2 stops25h 19m
Qantas Airways
Deal found 3/17![Qantas Airways logo]()
$1,190
This Qatar Airways deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1010:45 pm
PER
- ORD
2 stops50h 55m
Qatar Airways
lun. 9/147:20 pm
ORD
- PER
1 stop34h 15m
Qatar Airways
Deal found 3/19![Qatar Airways logo]()
$1,678
This Trip.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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.
vie. 5/111:35 am
BNE
- ORD
2 stops26h 52m
Multiple Airlines
vie. 5/85:15 am
ORD
- BNE
2 stops38h 20m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$901
This Priceline deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/410:15 am
BNE
- ORD
2 stops36h 35m
Air Canada
lun. 6/811:05 am
ORD
- BNE
2 stops29h 00m
Air Canada
Deal found 3/18![Air Canada logo]()
$950
This Priceline deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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.
jue. 5/2110:15 am
BNE
- ORD
1 stop19h 30m
Air Canada
sáb. 5/303:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Deal found 3/17![Air Canada logo]()
$1,010
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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. 4/239:45 am
MEL
- ORD
1 stop41h 35m
American Airlines
mié. 5/68:15 am
ORD
- MEL
1 stop29h 45m
American Airlines
Deal found 3/16![American Airlines logo]()
$1,166
This Delta deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/129:15 am
SYD
- MDW
2 stops24h 18m
Delta
mar. 5/261:22 pm
MDW
- SYD
2 stops26h 28m
Delta
Deal found 3/20![Delta logo]()
$1,173
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/710:55 am
MEL
- STL
2 stops24h 44m
United Airlines
dom. 9/275:20 am
STL
- MEL
2 stops35h 55m
United Airlines
Deal found 3/19![United Airlines logo]()
$1,184
This Qantas Airways deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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. 6/189:10 am
SYD
- ORD
1 stop25h 48m
Qantas Airways
mié. 7/228:59 am
ORD
- SYD
1 stop31h 31m
Qantas Airways
Deal found 3/17![Qantas Airways logo]()
$1,200
This Trip.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/59:45 am
MEL
- MDW
2 stops40h 24m
Multiple Airlines
mar. 5/126:00 am
MDW
- MEL
2 stops33h 45m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$1,106
This Trip.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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. 4/236:00 am
MEL
- ORD
2 stops23h 45m
Air Canada
mié. 5/610:52 am
ORD
- MEL
3 stops33h 13m
Air Canada
Deal found 3/16![Air Canada logo]()
$1,020
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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. 6/39:45 am
MEL
- STL
2 stops24h 51m
American Airlines
dom. 6/77:23 pm
STL
- MEL
1 stop42h 37m
American Airlines
Deal found 3/16![American Airlines logo]()
$1,168
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/49:15 am
SYD
- MDW
2 stops23h 43m
Delta
lun. 5/1112:53 pm
MDW
- SYD
2 stops26h 57m
Delta
Deal found 3/19![Delta logo]()
$1,177
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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. 4/2210:30 am
BNE
- ORD
1 stop23h 18m
United Airlines
dom. 4/269:40 pm
ORD
- BNE
1 stop41h 50m
United Airlines
Deal found 3/17![United Airlines logo]()
$1,188
This Qantas Airways deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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.
lun. 6/229:10 am
SYD
- ORD
1 stop27h 35m
Qantas Airways
lun. 7/207:01 pm
ORD
- SYD
1 stop21h 29m
Qantas Airways
Deal found 3/17![Qantas Airways logo]()
$1,200
This Trip.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/58:35 pm
BNE
- MDW
2 stops29h 34m
Multiple Airlines
mar. 5/126:00 am
MDW
- BNE
2 stops32h 00m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$1,112
This Priceline deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/49:20 pm
ADL
- ORD
2 stops31h 55m
Air Canada
lun. 5/113:40 pm
ORD
- ADL
2 stops29h 40m
Air Canada
Deal found 3/20![Air Canada logo]()
$1,026
This American Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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. 4/219:45 am
MEL
- CMI
2 stops50h 12m
American Airlines
sáb. 4/256:58 pm
CMI
- MEL
2 stops44h 47m
American Airlines
Deal found 3/17![American Airlines logo]()
$1,175
This United Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/610:20 am
SYD
- ORD
1 stop19h 30m
United Airlines
sáb. 6/279:30 pm
ORD
- SYD
1 stop42h 30m
United Airlines
Deal found 3/21![United Airlines logo]()
$1,220
This Delta deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/219:15 am
SYD
- ORD
1 stop29h 30m
Delta
dom. 7/197:00 am
ORD
- SYD
1 stop32h 50m
Delta
Deal found 3/20![Delta logo]()
$1,225
This Qantas Airways deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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.
mar. 6/239:10 am
SYD
- ORD
1 stop29h 49m
Qantas Airways
vie. 7/248:59 am
ORD
- SYD
1 stop31h 06m
Qantas Airways
Deal found 3/17![Qantas Airways logo]()
$1,252
This Aunt Betty deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/187:40 pm
BNE
- ORD
2 stops34h 01m
Multiple Airlines
jue. 12/313:40 pm
ORD
- BNE
2 stops25h 50m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$1,152
This Priceline deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/56:00 am
MEL
- ORD
3 stops28h 25m
Air Canada
mar. 5/122:15 pm
ORD
- MEL
3 stops30h 20m
Air Canada
Deal found 3/21![Air Canada logo]()
$1,048
This Delta deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/169:15 am
SYD
- ORD
1 stop19h 35m
Delta
sáb. 7/185:00 pm
ORD
- SYD
1 stop22h 50m
Delta
Deal found 3/21![Delta logo]()
$1,226
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/2010:20 am
SYD
- ORD
1 stop26h 15m
United Airlines
sáb. 7/189:35 pm
ORD
- SYD
1 stop42h 20m
United Airlines
Deal found 3/19![United Airlines logo]()
$1,230
Last-minute flights from Australia to IllinoisDiscover last-minute flight deals from Australia to Illinois. Data last updated marzo 22, 2026 and is based on user searches.
Discover last-minute flight deals from Australia to Illinois. Data last updated marzo 22, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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. 4/151:15 pm
SYD
- ORD
2 stops25h 12m
Multiple Airlines
jue. 4/162:00 pm
ORD
- SYD
2 stops30h 50m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$919
This Gotogate deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/169:20 am
SYD
- ORD
1 stop20h 25m
Air Canada
mié. 4/298:40 am
ORD
- SYD
2 stops31h 40m
Air Canada
Deal found 3/18![Air Canada logo]()
$899
This Gotogate deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/169:20 am
SYD
- ORD
2 stops25h 45m
Air Canada
jue. 4/238:40 am
ORD
- SYD
2 stops31h 40m
Air Canada
Deal found 3/18![Air Canada logo]()
$902
This Gotogate deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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.
jue. 4/166:00 am
MEL
- ORD
2 stops23h 45m
Multiple Airlines
mié. 4/223:40 pm
ORD
- MEL
2 stops33h 10m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$1,057
This Trip.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/1811:55 am
BNE
- ORD
2 stops26h 32m
Multiple Airlines
sáb. 4/258:00 am
ORD
- BNE
2 stops35h 40m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$880
This Orbitz deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/208:30 pm
MEL
- ORD
2 stops38h 45m
Multiple Airlines
vie. 4/243:40 pm
ORD
- MEL
2 stops28h 25m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$1,030
This Orbitz deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/208:30 pm
MEL
- ORD
2 stops38h 45m
Air Canada
vie. 4/242:00 pm
ORD
- MEL
3 stops30h 05m
Air Canada
Deal found 3/20![Air Canada logo]()
$1,043
This Air Canada deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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.
mar. 4/216:00 am
MEL
- ORD
2 stops23h 45m
Air Canada
sáb. 4/253:40 pm
ORD
- MEL
2 stops28h 55m
Air Canada
Deal found 3/16![Air Canada logo]()
$1,065
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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. 4/219:45 am
MEL
- CMI
2 stops43h 23m
American Airlines
sáb. 4/256:58 pm
CMI
- MEL
2 stops44h 47m
American Airlines
Deal found 3/16![American Airlines logo]()
$1,168
This Air Canada deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/229:20 am
SYD
- ORD
2 stops37h 40m
Air Canada
dom. 4/266:40 pm
ORD
- SYD
2 stops45h 40m
Air Canada
Deal found 3/19![Air Canada logo]()
$946
This Trip.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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. 4/236:00 am
MEL
- ORD
2 stops23h 45m
Air Canada
mié. 5/63:40 pm
ORD
- MEL
2 stops28h 25m
Air Canada
Deal found 3/16![Air Canada logo]()
$1,011
This Trip.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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. 4/239:45 am
MEL
- ORD
1 stop35h 35m
Multiple Airlines
mié. 5/69:00 am
ORD
- MEL
2 stops30h 45m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$1,105
One-way flights from Australia to IllinoisSearch for one-way flight options from Australia to Illinois. Find affordable one-way fares based on user searches. Data last updated marzo 22, 2026.
Search for one-way flight options from Australia to Illinois. Find affordable one-way fares based on user searches. Data last updated marzo 22, 2026.
This American Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/162:05 pm
MEL
- STL
2 stops24h 52m
American Airlines
Deal found 3/19![American Airlines logo]()
$696
This BYOjet deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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.
vie. 5/297:50 am
SYD
- ORD
2 stops39h 07m
Air New Zealand
Deal found 3/17![Air New Zealand logo]()
$701
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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. 5/11:15 pm
SYD
- ORD
2 stops25h 12m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$723
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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. 5/291:15 pm
SYD
- ORD
3 stops46h 22m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$744
This oojo deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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. 6/1310:15 pm
BNE
- ORD
1 stop37h 45m
EVA Air
Deal found 3/17![EVA Air logo]()
$749
This Trip.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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. 5/165:50 pm
SYD
- ORD
1 stop26h 45m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$753
This Trip.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/128:50 pm
SYD
- ORD
3 stops50h 45m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$767
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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. 4/255:50 pm
SYD
- ORD
1 stop27h 30m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$770
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/29:45 am
MEL
- ORD
1 stop28h 42m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$779
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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. 6/72:10 pm
SYD
- ORD
3 stops54h 57m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$782
This BYOjet deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/2812:10 pm
MEL
- ORD
2 stops26h 06m
Air New Zealand
Deal found 3/19![Air New Zealand logo]()
$785
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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. 6/161:15 pm
SYD
- ORD
2 stops32h 04m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$787
Find flight deals from Australia to Illinois
Keep the following information in mind while searching for Australia to Illinois flight deals. Data was last updated marzo 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $880 (Trip.com) |
One-way from | $696 (American Airlines) |
Popular in | December |
Cheapest in | August |
Average price | $1,112 |
Cheapflights Fare Finder
Customize your flight search to find flights from Australia to Illinois 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 marzo 22, 2026.
Use the filters below to find and compare flights from Australia to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BrisbaneChicago
BNE - ORD
BNEORD
Brisbane
sáb. 4/18
11:55 am-11:27 pm
2 stops26h 32m
Chicago O'Hare Intl
sáb. 4/25
8:00 am-10:40 am
2 stops35h 40m
$880
BrisbaneChicago
BNE - ORD
BNEORD
Brisbane
vie. 5/1
11:35 am-11:27 pm
2 stops26h 52m
Chicago O'Hare Intl
vie. 5/8
5:15 am-10:35 am
2 stops38h 20m
$901
BrisbaneChicago
BNE - ORD
BNEORD
Brisbane
lun. 5/4
7:05 pm-2:45 pm
2 stops34h 40m
Chicago O'Hare Intl
lun. 5/11
3:40 pm-7:05 am
1 stop24h 25m
$934
BrisbaneChicago
BNE - ORD
BNEORD
Brisbane
jue. 6/4
10:15 am-7:50 am
2 stops36h 35m
Chicago O'Hare Intl
lun. 6/8
11:05 am-7:05 am
2 stops29h 00m
$950
BrisbaneChicago
BNE - ORD
BNEORD
Brisbane
jue. 5/21
10:15 am-2:45 pm
1 stop19h 30m
Chicago O'Hare Intl
sáb. 5/30
3:40 pm-7:05 am
1 stop24h 25m
$1,010
MelbourneChicago
MEL - ORD
MELORD
Melbourne
jue. 4/23
6:00 am-2:45 pm
2 stops23h 45m
Chicago O'Hare Intl
mié. 5/6
10:52 am-11:05 am
3 stops33h 13m
$1,020
AdelaideChicago
ADL - ORD
ADLORD
Adelaide
lun. 5/4
9:20 pm-2:45 pm
2 stops31h 55m
Chicago O'Hare Intl
lun. 5/11
3:40 pm-11:50 am
2 stops29h 40m
$1,026
MelbourneChicago
MEL - ORD
MELORD
Melbourne
mar. 5/5
6:00 am-7:25 pm
3 stops28h 25m
Chicago O'Hare Intl
mar. 5/12
2:15 pm-11:35 am
3 stops30h 20m
$1,048
MelbourneSt. Louis
MEL - STL
MELSTL
Melbourne
dom. 5/3
10:00 am-5:26 pm
2 stops22h 26m
Lambert-St Louis
dom. 5/10
7:01 pm-7:50 am
2 stops45h 49m
$1,067
MelbourneChicago
MEL - MDW
MELMDW
Melbourne
mar. 5/5
9:45 am-11:09 am
2 stops40h 24m
Chicago Midway
mar. 5/12
6:00 am-6:45 am
2 stops33h 45m
$1,106
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Australia to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Australia with our price prediction graph.
MEL-STL
SYD-ORD
BNE-ORD
MEL-ORD
MEL-CMI
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 Australia to Illinois
AU0-USIL
MEL-STL
SYD-ORD
BNE-ORD
MEL-ORD
What is the cheapest month to book a flight from Australia to Illinois?
Currently, April is the cheapest month in which you can book a flight from Australia to Illinois (average of $670). Flying from Australia to Illinois in December is currently the most expensive (average of $1,061). 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 Illinois
Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated marzo 22, 2026.
Peruse reviews from past customers who have flown with Japan Airlines,Qantas Airways, andUnited Airlines from Australia to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.7
Comfort
8.2
Boarding
8.4
Overall
8.3
Entertainment
7.8
Crew
8.7
Reviews
1 / 20
8.0
ExcellentEvan,Feb 2026
NRT - ORD
Food
7.7
Comfort
8.2
Boarding
8.4
Overall
8.3
Entertainment
7.8
Crew
8.7
Reviews
1 / 20
8.0
ExcellentEvan,Feb 2026
NRT - ORD
Food
7.7
Comfort
8.2
Boarding
8.4
Overall
8.3
Entertainment
7.8
Crew
8.7
Reviews
1 / 20
8.0
ExcellentEvan,Feb 2026
NRT - ORD
Food
7.7
Comfort
8.2
Boarding
8.4
Overall
8.3
Entertainment
7.8
Crew
8.7
Reviews
1 / 20
8.0
ExcellentEvan,Feb 2026
NRT - ORD
Food
7.7
Comfort
8.2
Boarding
8.4
Overall
8.3
Entertainment
7.8
Crew
8.7
Reviews
1 / 20
8.0
ExcellentEvan,Feb 2026
NRT - ORD
Related info for your journey
Find useful and relevant information for your journey from Australia to Illinois. 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 Australia to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Australia to Illinois by cabin class
Find flights from Australia to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Australia and Illinois flights
Browse other Australia and Illinois flight options. Last updated on marzo 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Illinois
Find the right flight back to Australia after your stay in Illinois
Australia to Illinois flights
Consider these flights traveling from Australia to Illinois.
Top 4 airlines flying from Australia to Illinois
Discover the top 4 airlines that operate flights from Australia to Illinois. 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 marzo 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$759 | Average$1,007 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$795 | Average$1,212 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$862 | Average$1,101 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$973 | Average$976 | FlexibilityNo cancel fee | On-time79% |