$130+ Cheap flights from Australia to Illinois
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
Oct 20 — Oct 271
Round-trip
1 adult, Economy
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Find cheap flights from Australia to Illinois with Cheapflights
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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 September 20, 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 September 20, 2026.
This Trip.com deal was found by Cheapflights users on 9/18. 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.
Mon 11/22:00 pm -
3 stops32h 13m
Mon 11/96:30 am -
3 stops37h 05m
Deal found 9/18![Multiple Airlines logo]()
$908
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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.
Sat 11/710:45 pm -
2 stops62h 36m
Tue 11/102:32 pm -
1 stop21h 28m
Deal found 9/15![American Airlines logo]()
$961
This SmartFares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:50 am -
1 stop27h 40m
Tue 11/242:10 pm -
1 stop41h 10m
Deal found 9/15![Cathay Pacific logo]()
$1,124
This SmartFares deal was found by Cheapflights users on 9/18. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/212:15 pm -
1 stop40h 15m
Mon 11/92:10 pm -
1 stop28h 35m
Deal found 9/18![Cathay Pacific logo]()
$1,128
This Trip.com deal was found by Cheapflights users on 9/16. 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.
Wed 11/45:50 pm -
2 stops34h 47m
Wed 11/253:30 pm -
2 stops35h 05m
Deal found 9/16![Multiple Airlines logo]()
$1,133
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:05 pm -
1 stop20h 50m
Thu 11/266:00 am -
1 stop34h 00m
Deal found 9/18![American Airlines logo]()
$1,152
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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.
Wed 10/2110:10 am -
2 stops43h 34m
Sat 10/243:20 pm -
1 stop23h 35m
Deal found 9/15![American Airlines logo]()
$1,154
This deal was found by Cheapflights users on 9/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:10 am -
1 stop45h 55m
Mon 11/95:15 pm -
1 stop22h 45m
Deal found 9/16![American Airlines logo]()
$1,165
This Trip.com deal was found by Cheapflights users on 9/16. 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.
Tue 10/610:30 am -
2 stops29h 53m
Wed 10/216:30 am -
2 stops33h 30m
Deal found 9/16![Multiple Airlines logo]()
$1,167
This Cathay Pacific deal was found by Cheapflights users on 9/17. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:15 pm -
1 stop40h 15m
Mon 11/92:10 pm -
1 stop28h 35m
Deal found 9/17![Cathay Pacific logo]()
$1,182
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/2912:50 am -
1 stop27h 40m
Fri 11/62:10 pm -
1 stop28h 35m
Deal found 9/15![Cathay Pacific logo]()
$1,200
This Aunt Betty deal was found by Cheapflights users on 9/18. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:30 am -
2 stops31h 30m
Tue 11/179:21 am -
2 stops30h 14m
Deal found 9/18![Air New Zealand logo]()
$1,205
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 September 20, 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 September 20, 2026.
This American Airlines deal was found by Cheapflights users on 9/19. 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.
Wed 10/2110:10 am -
1 stop29h 36m
Sat 10/243:20 pm -
2 stops35h 35m
Deal found 9/19![American Airlines logo]()
$1,181
This Cathay Pacific deal was found by Cheapflights users on 9/17. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:15 pm -
1 stop40h 15m
Mon 11/92:10 pm -
1 stop28h 35m
Deal found 9/17![Cathay Pacific logo]()
$1,182
This SmartFares deal was found by Cheapflights users on 9/18. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:45 pm -
2 stops33h 45m
Mon 11/92:10 pm -
1 stop28h 35m
Deal found 9/18![Multiple Airlines logo]()
$1,244
This Gotogate deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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.
Mon 11/98:35 am -
1 stop22h 20m
Mon 11/2310:45 pm -
1 stop42h 35m
Deal found 9/15![Philippine Airlines logo]()
$1,290
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2011:50 am -
2 stops23h 48m
Sat 2/134:17 pm -
2 stops23h 48m
Deal found 9/16![United Airlines logo]()
$1,294
This Qatar Airways deal was found by Cheapflights users on 9/20. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:10 pm -
1 stop38h 20m
Tue 2/26:50 pm -
1 stop30h 00m
Deal found 9/20![Qatar Airways logo]()
$1,329
This BestPriceTravel deal was found by Cheapflights users on 9/17. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2210:20 am -
2 stops28h 40m
Mon 12/142:29 pm -
2 stops25h 26m
Deal found 9/17![Air New Zealand logo]()
$1,414
This Turkish Airlines deal was found by Cheapflights users on 9/19. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:35 pm -
2 stops38h 45m
Tue 11/108:15 pm -
2 stops54h 10m
Deal found 9/19![Turkish Airlines logo]()
$1,472
This Air Canada deal was found by Cheapflights users on 9/19. 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.
Tue 11/177:10 am -
2 stops24h 27m
Wed 12/163:30 pm -
2 stops33h 30m
Deal found 9/19![Air Canada logo]()
$1,589
This Gurufare deal was found by Cheapflights users on 9/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:45 pm -
2 stops40h 17m
Tue 11/102:32 pm -
1 stop21h 28m
Deal found 9/18![Qantas Airways logo]()
$1,601
This Delta deal was found by Cheapflights users on 9/19. 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.
Wed 12/910:10 am -
2 stops29h 44m
Mon 1/1112:30 pm -
2 stops26h 30m
Deal found 9/19![Delta logo]()
$1,742
This FlightHub deal was found by Cheapflights users on 9/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1812:15 pm -
2 stops35h 30m
Wed 12/21:30 pm -
2 stops44h 25m
Deal found 9/17![Japan Airlines logo]()
$1,789
This Cathay Pacific deal was found by Cheapflights users on 9/16. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2312:50 am -
1 stop27h 40m
Sun 3/72:10 pm -
1 stop41h 10m
Deal found 9/16![Cathay Pacific logo]()
$1,183
This Cathay Pacific deal was found by Cheapflights users on 9/16. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2112:15 pm -
1 stop40h 15m
Sat 3/62:10 pm -
1 stop28h 35m
Deal found 9/16![Cathay Pacific logo]()
$1,218
This American Airlines deal was found by Cheapflights users on 9/19. 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.
Thu 10/2210:55 pm -
2 stops46h 39m
Sun 10/257:00 am -
2 stops39h 10m
Deal found 9/19![American Airlines logo]()
$1,378
This Cathay Pacific deal was found by Cheapflights users on 9/19. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:45 pm -
2 stops33h 45m
Wed 11/112:10 pm -
1 stop37h 40m
Deal found 9/19![Multiple Airlines logo]()
$1,416
This Jetabroad deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:55 am -
2 stops26h 42m
Sat 11/72:30 pm -
2 stops25h 05m
Deal found 9/15![Air New Zealand logo]()
$1,427
This Turkish Airlines deal was found by Cheapflights users on 9/16. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:35 pm -
2 stops38h 45m
Sat 11/79:15 pm -
2 stops53h 10m
Deal found 9/16![Turkish Airlines logo]()
$1,473
This KAYAK deal was found by Cheapflights users on 9/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:00 pm -
1 stop32h 05m
Wed 10/144:26 pm -
2 stops38h 39m
Deal found 9/18![Qatar Airways logo]()
$1,490
This Cathay Pacific deal was found by Cheapflights users on 9/16. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2312:15 pm -
1 stop40h 15m
Thu 3/112:10 pm -
2 stops74h 05m
Deal found 9/16![Cathay Pacific logo]()
$1,286
This Cathay Pacific deal was found by Cheapflights users on 9/16. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:15 pm -
1 stop38h 15m
Sat 11/72:10 pm -
2 stops35h 20m
Deal found 9/16![Multiple Airlines logo]()
$1,441
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 11/710:45 pm -
2 stops62h 36m
Tue 11/102:32 pm -
1 stop21h 28m
Deal found 9/16![American Airlines logo]()
$1,445
This Cathay Pacific deal was found by Cheapflights users on 9/16. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/227:00 am -
2 stops45h 30m
Mon 3/82:10 pm -
1 stop41h 10m
Deal found 9/16![Cathay Pacific logo]()
$1,294
This Delta deal was found by Cheapflights users on 9/19. 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.
Thu 12/1010:10 am -
2 stops29h 44m
Wed 1/131:00 pm -
2 stops26h 00m
Deal found 9/19![Delta logo]()
$1,742
This BYOjet deal was found by Cheapflights users on 9/19. 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.
Tue 11/310:45 pm -
2 stops33h 15m
Tue 11/106:50 pm -
1 stop33h 55m
Deal found 9/19![Qatar Airways logo]()
$1,589
This Turkish Airlines deal was found by Cheapflights users on 9/19. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:35 pm -
2 stops54h 25m
Mon 11/98:15 pm -
2 stops54h 10m
Deal found 9/19![Turkish Airlines logo]()
$1,625
This KAYAK deal was found by Cheapflights users on 9/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2011:10 pm -
2 stops29h 05m
Sat 1/308:56 pm -
2 stops51h 24m
Deal found 9/19![Qantas Airways logo]()
$1,816
This Japan Airlines deal was found by Cheapflights users on 9/17. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:15 pm -
2 stops35h 30m
Sat 10/242:10 pm -
2 stops43h 45m
Deal found 9/17![Japan Airlines logo]()
$1,881
This United Airlines deal was found by Cheapflights users on 9/18. 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.
Thu 12/1711:30 am -
2 stops28h 00m
Tue 1/510:50 am -
2 stops29h 40m
Deal found 9/18![United Airlines logo]()
$1,892
This Cathay Pacific deal was found by Cheapflights users on 9/16. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/216:20 pm -
2 stops58h 10m
Fri 3/52:10 pm -
1 stop41h 10m
Deal found 9/16![Cathay Pacific logo]()
$1,294
Last-minute flights from Australia to IllinoisDiscover last-minute flight deals from Australia to Illinois. Data last updated September 20, 2026 and is based on user searches.
Discover last-minute flight deals from Australia to Illinois. Data last updated September 20, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 9/16. 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.
Tue 10/610:30 am -
2 stops29h 53m
Wed 10/216:30 am -
2 stops33h 30m
Deal found 9/16![Multiple Airlines logo]()
$1,167
This Trip.com deal was found by Cheapflights users on 9/16. 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.
Wed 10/710:30 am -
2 stops34h 47m
Thu 10/158:01 pm -
1 stop44h 29m
Deal found 9/16![Multiple Airlines logo]()
$1,262
This Trip.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/86:30 am -
3 stops38h 46m
Wed 10/286:30 am -
2 stops34h 00m
Deal found 9/15![Multiple Airlines logo]()
$1,243
This Trip.com deal was found by Cheapflights users on 9/19. 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.
Thu 10/86:50 pm -
2 stops26h 26m
Sat 10/246:30 am -
2 stops31h 55m
Deal found 9/19![Multiple Airlines logo]()
$1,261
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:50 pm -
1 stop27h 44m
Mon 10/196:30 am -
2 stops33h 00m
Deal found 9/16![Multiple Airlines logo]()
$1,260
This American Airlines deal was found by Cheapflights users on 9/19. 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.
Mon 10/121:00 pm -
1 stop21h 20m
Thu 11/52:54 pm -
2 stops25h 06m
Deal found 9/19![American Airlines logo]()
$1,277
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:50 pm -
1 stop27h 44m
Wed 10/216:30 am -
2 stops33h 00m
Deal found 9/16![Multiple Airlines logo]()
$1,238
This Trip.com deal was found by Cheapflights users on 9/18. 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.
Fri 10/162:20 pm -
3 stops30h 56m
Fri 10/236:30 am -
3 stops37h 55m
Deal found 9/18![Multiple Airlines logo]()
$1,236
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Fri 10/169:45 am -
1 stop30h 01m
Fri 10/237:10 pm -
1 stop41h 50m
Deal found 9/17![American Airlines logo]()
$1,273
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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.
Wed 10/2110:10 am -
2 stops43h 34m
Sat 10/243:20 pm -
1 stop23h 35m
Deal found 9/15![American Airlines logo]()
$1,154
This SmartFares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:05 pm -
1 stop38h 50m
Mon 10/263:10 pm -
1 stop26h 25m
Deal found 9/15![Cathay Pacific logo]()
$1,276
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/2912:50 am -
1 stop27h 40m
Fri 11/62:10 pm -
1 stop28h 35m
Deal found 9/15![Cathay Pacific logo]()
$1,200
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 September 20, 2026.
Search for one-way flight options from Australia to Illinois. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
This Expedia deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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.
Thu 10/2210:10 am -
1 stop22h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Qantas Airways logo]()
$130
This Trip.com deal was found by Cheapflights users on 9/17. 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.
Tue 10/1310:15 am -
1 stop36h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$531
This Trip.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/126:25 pm -
2 stops33h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$636
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Mon 2/1510:55 pm -
3 stops48h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$711
This BYOjet deal was found by Cheapflights users on 9/17. 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.
Mon 1/184:50 pm -
1 stop32h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Etihad Airways logo]()
$712
This SmartFares deal was found by Cheapflights users on 9/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:50 pm -
1 stop32h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Etihad Airways logo]()
$714
This Trip.com deal was found by Cheapflights users on 9/20. 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.
Tue 12/16:30 pm -
2 stops36h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$727
This SmartFares deal was found by Cheapflights users on 9/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1512:15 pm -
1 stop40h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Cathay Pacific logo]()
$729
This Qatar Airways deal was found by Cheapflights users on 9/19. 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.
Tue 10/1311:45 pm -
1 stop31h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Qatar Airways logo]()
$730
This Gotogate deal was found by Cheapflights users on 9/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:35 pm -
1 stop51h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Etihad Airways logo]()
$731
This Trip.com deal was found by Cheapflights users on 9/19. 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.
Wed 11/185:50 pm -
2 stops34h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$733
This Gotogate deal was found by Cheapflights users on 9/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:35 pm -
1 stop34h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Etihad Airways logo]()
$733
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 September 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $908 (Trip.com) |
One-way from | $130 (Expedia) |
Popular in | May |
Cheapest in | October |
Average price | $1,262 |
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 7,457,451 searches. Data last updated September 20, 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
PerthChicago
PER Perth - ORD Chicago O'Hare Intl
PERORD
Perth
Mon 10/12
6:25 pm-2:43 pm
2 stops33h 18m
Chicago O'Hare Intl
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$636
PerthChicago
PER Perth - ORD Chicago O'Hare Intl
PERORD
Perth
Tue 12/1
6:30 pm-4:55 pm
2 stops36h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$727
BrisbaneChicago
BNE Brisbane - ORD Chicago O'Hare Intl
BNEORD
Brisbane
Mon 2/15
12:15 pm-12:30 pm
1 stop40h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$729
PerthChicago
PER Perth - ORD Chicago O'Hare Intl
PERORD
Perth
Wed 11/18
5:50 pm-2:37 pm
2 stops34h 47m
Chicago O'Hare Intl
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$733
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Sat 11/7
9:30 pm-7:55 am
1 stop51h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$736
BrisbaneChicago
BNE Brisbane - ORD Chicago O'Hare Intl
BNEORD
Brisbane
Mon 2/1
12:15 pm-12:30 pm
1 stop40h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$741
MelbourneChicago
MEL Melbourne - ORD Chicago O'Hare Intl
MELORD
Melbourne
Tue 2/9
5:10 pm-2:30 pm
1 stop38h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$751
MelbourneChicago
MEL Melbourne - ORD Chicago O'Hare Intl
MELORD
Melbourne
Mon 2/1
11:40 pm-2:30 pm
1 stop31h 50m
Chicago O'Hare Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$755
MelbourneChicago
MEL Melbourne - ORD Chicago O'Hare Intl
MELORD
Melbourne
Wed 11/18
5:10 pm-2:30 pm
1 stop38h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$755
MelbourneChicago
MEL Melbourne - ORD Chicago O'Hare Intl
MELORD
Melbourne
Thu 10/8
5:10 pm-3:05 pm
1 stop37h 55m
Chicago O'Hare Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$755
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.
SYD-STL
BNE-ORD
PER-ORD
MEL-ORD
SYD-ORD
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
SYD-STL
BNE-ORD
PER-ORD
MEL-ORD
What is the cheapest month to book a flight from Australia to Illinois?
Currently, May is the cheapest month in which you can book a flight from Australia to Illinois (average of $1,140). Flying from Australia to Illinois in September is currently the most expensive (average of $1,433). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How far ahead should I book a flight from Australia to Illinois?
The best time to book flights from Australia to Illinois is 35 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 September 20, 2026.
Peruse reviews from past customers who have flown with Qantas Airways and United 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.
Crew
8.1
Food
7.0
Entertainment
7.2
Overall
7.5
Boarding
7.7
Comfort
7.4
Reviews
1 / 20
10.0
ExcellentTania,May 2026
SYD - DFW
Crew
8.1
Food
7.0
Entertainment
7.2
Overall
7.5
Boarding
7.7
Comfort
7.4
Reviews
1 / 20
10.0
ExcellentTania,May 2026
SYD - DFW
Crew
8.1
Food
7.0
Entertainment
7.2
Overall
7.5
Boarding
7.7
Comfort
7.4
Reviews
1 / 20
10.0
ExcellentTania,May 2026
SYD - DFW
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.
Browse thousands of different options on Cheapflights for your next trip
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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 September 20, 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 2 airlines flying from Australia to Illinois
Discover the top 2 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 7,457,451 searches. Data last updated September 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$970 | Average$1,633 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,133 | Average$1,436 | FlexibilityNo cancel fee | On-time69% |