$609+ Cheap flights from Chicago (CHI) to Australia
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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SYD
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Australia with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 October 30, 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 October 30, 2026.
This Air Canada deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/143:30 pm -
2 stops29h 45m
Sun 12/67:10 pm -
2 stops36h 27m
Deal found 10/25![Air Canada logo]()
$1,113
This FlightHub deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/289:35 am -
2 stops31h 10m
Sun 12/610:45 am -
2 stops22h 15m
Deal found 10/26![Air Canada logo]()
$1,128
This FlightHub deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/63:30 pm -
2 stops34h 35m
Sun 11/158:10 am -
2 stops28h 49m
Deal found 10/25![Multiple Airlines logo]()
$1,137
This KAYAK deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:30 pm -
2 stops36h 55m
Wed 11/116:05 am -
2 stops25h 32m
Deal found 10/25![Multiple Airlines logo]()
$1,152
This oojo deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:04 pm -
1 stop40h 56m
Wed 11/1110:45 pm -
1 stop36h 14m
Deal found 10/25![Qantas Airways logo]()
$1,195
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/307:59 am -
1 stop31h 01m
Wed 1/1310:10 am -
1 stop30h 17m
Deal found 10/25![Delta logo]()
$1,200
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:00 am -
2 stops32h 00m
Wed 11/1110:10 am -
1 stop20h 27m
Deal found 10/25![Delta logo]()
$1,205
This Priceline deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:49 am -
2 stops36h 11m
Wed 11/118:00 am -
3 stops28h 58m
Deal found 10/25![Air Canada logo]()
$1,217
This Trip.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:00 am -
3 stops36h 25m
Fri 12/111:55 pm -
3 stops32h 06m
Deal found 10/26![Multiple Airlines logo]()
$1,239
This oojo deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:57 pm -
1 stop42h 03m
Sun 12/612:00 pm -
1 stop23h 30m
Deal found 10/25![Qantas Airways logo]()
$1,241
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/307:59 am -
1 stop31h 01m
Sun 1/1010:10 am -
1 stop20h 51m
Deal found 10/25![Delta logo]()
$1,250
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3112:29 pm -
2 stops26h 31m
Wed 1/1310:10 am -
1 stop30h 17m
Deal found 10/25![Delta logo]()
$1,255
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 October 30, 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 October 30, 2026.
This Air Canada deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/293:35 pm -
2 stops34h 25m
Sun 2/146:00 am -
2 stops24h 32m
Deal found 10/25![Multiple Airlines logo]()
$1,260
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/261:30 pm -
1 stop26h 50m
Thu 12/311:50 am -
1 stop19h 49m
Deal found 10/25![United Airlines logo]()
$1,300
This Air Canada deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/133:35 pm -
2 stops28h 45m
Wed 2/176:30 am -
2 stops25h 02m
Deal found 10/25![Air Canada logo]()
$1,303
This FlightHub deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/146:50 pm -
2 stops33h 20m
Wed 2/247:50 pm -
2 stops35h 10m
Deal found 10/26![Qatar Airways logo]()
$1,324
This Qantas Airways deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/296:45 pm -
2 stops27h 20m
Sun 2/142:50 pm -
2 stops25h 05m
Deal found 10/25![Qantas Airways logo]()
$1,442
This KAYAK deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/148:45 am -
2 stops30h 00m
Wed 11/258:55 am -
2 stops31h 32m
Deal found 10/25![Air New Zealand logo]()
$1,448
This JetBlue deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/317:20 pm -
1 stop30h 00m
Sun 4/49:40 pm -
1 stop31h 55m
Deal found 10/27![JetBlue logo]()
$1,496
This Alaska Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/37:20 am -
3 stops32h 10m
Sun 4/1110:20 am -
3 stops25h 35m
Deal found 10/26![Alaska Airlines logo]()
$1,568
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/227:45 am -
1 stop31h 15m
Mon 11/3010:10 am -
1 stop20h 27m
Deal found 10/29![Delta logo]()
$1,733
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/253:10 pm -
2 stops28h 55m
Sat 1/239:50 am -
2 stops25h 33m
Deal found 10/28![American Airlines logo]()
$1,827
This Turkish Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/288:15 pm -
2 stops31h 30m
Wed 1/610:35 pm -
2 stops52h 25m
Deal found 10/25![Turkish Airlines logo]()
$1,844
This Ovago deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/72:10 pm -
1 stop42h 45m
Sun 12/2012:25 am -
1 stop26h 05m
Deal found 10/26![Cathay Pacific logo]()
$2,205
This Air Canada deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/293:35 pm -
2 stops34h 25m
Sat 2/136:00 am -
2 stops24h 32m
Deal found 10/25![Multiple Airlines logo]()
$1,299
This Air Canada deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/153:35 pm -
2 stops29h 50m
Fri 2/196:10 am -
2 stops30h 22m
Deal found 10/25![Air Canada logo]()
$1,327
This oojo deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/126:50 pm -
1 stop29h 45m
Mon 2/2210:00 pm -
1 stop33h 00m
Deal found 10/26![Qatar Airways logo]()
$1,331
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/193:35 pm -
2 stops24h 45m
Tue 1/261:20 pm -
2 stops23h 41m
Deal found 10/25![United Airlines logo]()
$1,354
This KLM deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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.
Sun 11/294:25 pm -
3 stops46h 00m
Fri 12/411:10 am -
3 stops44h 15m
Deal found 10/29![KLM logo]()
$2,852
This Justfly.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/292:22 pm -
2 stops27h 23m
Sun 2/1410:55 am -
2 stops23h 54m
Deal found 10/27![Air New Zealand logo]()
$1,455
This JetBlue deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/156:50 pm -
1 stop29h 45m
Fri 2/1910:00 pm -
1 stop33h 00m
Deal found 10/26![JetBlue logo]()
$1,496
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/810:42 am -
2 stops33h 58m
Fri 2/129:20 pm -
2 stops34h 15m
Deal found 10/25![United Airlines logo]()
$1,389
This Qatar Airways deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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.
Mon 3/16:50 pm -
1 stop30h 40m
Wed 3/314:55 pm -
2 stops37h 10m
Deal found 10/29![Qatar Airways logo]()
$1,392
This Alaska Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/136:00 am -
3 stops31h 25m
Fri 3/2611:15 am -
3 stops25h 40m
Deal found 10/30![Alaska Airlines logo]()
$1,591
This Trip.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 3/16:21 am -
3 stops36h 04m
Wed 3/3111:35 am -
3 stops27h 51m
Deal found 10/29![Multiple Airlines logo]()
$1,460
This Air Canada deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/313:40 pm -
2 stops28h 35m
Sun 4/46:00 am -
2 stops23h 35m
Deal found 10/25![Air Canada logo]()
$1,477
This FlightHub deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/13:10 pm -
2 stops26h 35m
Fri 1/154:55 pm -
2 stops43h 57m
Deal found 10/25![Qantas Airways logo]()
$1,640
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/296:18 pm -
2 stops26h 22m
Sun 2/146:20 pm -
2 stops36h 26m
Deal found 10/25![United Airlines logo]()
$1,393
This Qatar Airways deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/196:50 pm -
1 stop30h 40m
Thu 3/49:55 pm -
1 stop32h 35m
Deal found 10/26![Qatar Airways logo]()
$1,427
This KAYAK deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/242:30 pm -
2 stops48h 15m
Fri 12/118:55 am -
2 stops32h 55m
Deal found 10/26![Air New Zealand logo]()
$1,572
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:40 pm -
2 stops42h 20m
Tue 12/2210:10 am -
1 stop20h 50m
Deal found 10/28![Delta logo]()
$1,747
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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.
Sat 11/146:30 am -
3 stops32h 15m
Wed 11/188:55 am -
3 stops32h 26m
Deal found 10/29![Multiple Airlines logo]()
$1,467
Last-minute flights from Chicago to AustraliaDiscover last-minute flight deals from Chicago to Australia. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Australia. Data last updated October 30, 2026 and is based on user searches.
This Philippine Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:15 pm -
2 stops45h 15m
Mon 11/169:20 am -
1 stop24h 35m
Deal found 10/26![Multiple Airlines logo]()
$1,290
This KAYAK deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:30 pm -
2 stops36h 55m
Wed 11/116:05 am -
2 stops25h 32m
Deal found 10/25![Multiple Airlines logo]()
$1,152
This oojo deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:04 pm -
1 stop40h 56m
Wed 11/1110:45 pm -
1 stop36h 14m
Deal found 10/25![Qantas Airways logo]()
$1,195
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:00 am -
2 stops32h 00m
Wed 11/1110:10 am -
1 stop20h 27m
Deal found 10/25![Delta logo]()
$1,205
This Priceline deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:49 am -
2 stops36h 11m
Wed 11/118:00 am -
3 stops28h 58m
Deal found 10/25![Air Canada logo]()
$1,217
This FlightHub deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/63:30 pm -
2 stops34h 35m
Sun 11/158:10 am -
2 stops28h 49m
Deal found 10/25![Multiple Airlines logo]()
$1,137
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:20 pm -
1 stop22h 00m
Sat 11/2111:50 am -
1 stop19h 59m
Deal found 10/25![United Airlines logo]()
$1,300
This Air Canada deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/143:30 pm -
2 stops29h 45m
Sun 12/67:10 pm -
2 stops36h 27m
Deal found 10/25![Air Canada logo]()
$1,113
This oojo deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:57 pm -
1 stop42h 03m
Sun 12/612:00 pm -
1 stop23h 30m
Deal found 10/25![Qantas Airways logo]()
$1,241
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:57 pm -
1 stop43h 33m
Sun 12/612:45 pm -
2 stops29h 05m
Deal found 10/25![United Airlines logo]()
$1,269
This Air Canada deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/153:30 pm -
2 stops30h 10m
Sat 11/211:00 pm -
2 stops42h 37m
Deal found 10/25![Air Canada logo]()
$1,303
This FlightHub deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/289:35 am -
2 stops31h 10m
Sun 12/610:45 am -
2 stops22h 15m
Deal found 10/26![Air Canada logo]()
$1,128
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 October 30, 2026.
Search for one-way flight options from Chicago to Australia. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/236:21 am -
3 stops44h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$609
This Philippine Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/85:00 am -
2 stops33h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$614
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/125:40 am -
1 stop31h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$614
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/136:21 am -
2 stops31h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$632
This Alaska Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:00 am -
2 stops31h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Alaska Airlines logo]()
$651
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 3/135:40 am -
2 stops45h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$654
This Philippine Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/55:00 am -
2 stops35h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$656
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/19:13 am -
3 stops52h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$672
This Philippine Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:29 am -
2 stops34h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$682
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 3/112:10 pm -
2 stops50h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$685
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/285:40 am -
2 stops56h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$686
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/282:10 pm -
3 stops50h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$696
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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,128 (FlightHub) |
One-way from | $609 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,605 |
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 7,457,451 searches. Data last updated October 30, 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
ChicagoMelbourne
ORD Chicago O'Hare Intl - MEL Melbourne
ORDMEL
Chicago O'Hare Intl
Mon 3/8
5:00 am-7:30 am
2 stops33h 30m
Melbourne
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$614
ChicagoSydney
ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith
ORDSYD
Chicago O'Hare Intl
Tue 12/1
6:00 am-6:25 am
2 stops31h 25m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$651
ChicagoSydney
ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith
ORDSYD
Chicago O'Hare Intl
Fri 3/5
5:00 am-9:50 am
2 stops35h 50m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$656
ChicagoSydney
ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith
ORDSYD
Chicago O'Hare Intl
Tue 11/10
6:29 am-9:50 am
2 stops34h 21m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$682
ChicagoSydney
ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith
ORDSYD
Chicago O'Hare Intl
Sun 11/15
6:45 pm-9:50 am
2 stops46h 05m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$696
ChicagoCairns
ORD Chicago O'Hare Intl - CNS Cairns
ORDCNS
Chicago O'Hare Intl
Sun 2/28
2:10 pm-8:30 am
3 stops50h 20m
Cairns
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$696
ChicagoAdelaide
ORD Chicago O'Hare Intl - ADL Adelaide
ORDADL
Chicago O'Hare Intl
Fri 2/19
8:14 pm-10:10 pm
3 stops57h 26m
Adelaide
Wed 12/31
12:00 am-8:30 am
Nonstop0h 00m
$757
ChicagoPerth
ORD Chicago O'Hare Intl - PER Perth
ORDPER
Chicago O'Hare Intl
Sat 11/21
10:00 pm-7:55 pm
3 stops55h 55m
Perth
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$765
ChicagoMelbourne
ORD Chicago O'Hare Intl - MEL Melbourne
ORDMEL
Chicago O'Hare Intl
Tue 1/26
2:10 pm-5:40 am
2 stops46h 30m
Melbourne
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$771
ChicagoSydney
ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith
ORDSYD
Chicago O'Hare Intl
Tue 11/10
7:00 am-6:25 am
3 stops30h 25m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$796
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-OOL
ORD-SYD
ORD-CBR
ORD-ADL
ORD-WSI
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-OOL
ORD-SYD
ORD-CBR
ORD-ADL
What is the cheapest month to book a flight from Chicago to Australia?
Currently, January is the cheapest month in which you can book a flight from Chicago to Australia (average of $1,218). Flying from Chicago to Australia in December is currently the most expensive (average of $1,804). 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 Chicago to Australia?
To ensure you get the cheapest price possible for a flight from Chicago to Australia, you should look to book at least 43 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 October 30, 2026.
See what other customers who have flown with Delta,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
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
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.
Browse thousands of different options on Cheapflights for your next trip
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 October 30, 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 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$237 | Average$1,320 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$712 | Average$1,260 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$716 | Average$819 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$837 | Average$1,571 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$837 | Average$1,708 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$870 | Average$1,594 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,209 | Average$1,270 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,217 | Average$1,605 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$1,218 | Average$1,618 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,560 | Average$1,890 | FlexibilityNo cancel fee | On-time72% |