$533+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SYD
Oct 17 — Oct 241
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 September 17, 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 September 17, 2026.
This lol.travel deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:05 am -
2 stops29h 15m
Tue 10/2710:20 am -
1 stop20h 17m
Deal found 9/13![Air Canada logo]()
$1,198
This lol.travel deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:15 am -
2 stops29h 05m
Mon 10/2610:20 am -
2 stops25h 32m
Deal found 9/14![Air Canada logo]()
$1,230
This Justfly.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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.
Mon 10/267:50 pm -
1 stop35h 30m
Mon 11/911:40 pm -
1 stop31h 50m
Deal found 9/12![Qatar Airways logo]()
$1,231
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/13:00 pm -
2 stops24h 35m
Sun 12/139:55 am -
2 stops31h 55m
Deal found 9/16![Air New Zealand logo]()
$1,236
This Flightnetwork deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/183:40 pm -
1 stop24h 40m
Sun 11/111:20 am -
1 stop20h 17m
Deal found 9/12![Air Canada logo]()
$1,238
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/81:00 pm -
2 stops26h 35m
Wed 11/1811:50 am -
2 stops24h 06m
Deal found 9/16![Air New Zealand logo]()
$1,240
This FlightHub deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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.
Wed 11/251:00 pm -
2 stops30h 50m
Sun 12/69:55 am -
2 stops37h 04m
Deal found 9/12![Air New Zealand logo]()
$1,250
This Justfly.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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.
Mon 10/263:47 pm -
2 stops27h 08m
Mon 11/910:20 am -
2 stops29h 39m
Deal found 9/12![Air New Zealand logo]()
$1,255
This Justfly.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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.
Sun 11/151:00 pm -
2 stops26h 35m
Sat 12/127:25 pm -
2 stops42h 46m
Deal found 9/13![Air New Zealand logo]()
$1,257
This oojo deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 11/23:00 pm -
2 stops27h 00m
Tue 11/246:10 pm -
2 stops42h 27m
Deal found 9/12![Air New Zealand logo]()
$1,258
This FlightHub deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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.
Wed 11/182:00 pm -
2 stops25h 55m
Sun 11/2210:20 am -
2 stops36h 00m
Deal found 9/12![Air New Zealand logo]()
$1,267
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:20 pm -
2 stops42h 45m
Wed 10/2110:00 am -
1 stop19h 43m
Deal found 9/15![Air Canada logo]()
$1,267
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 September 17, 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 September 17, 2026.
This Philippine 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/56:59 am -
2 stops33h 51m
Tue 3/1611:30 am -
2 stops33h 30m
Deal found 9/16![Multiple Airlines logo]()
$1,250
This Air Canada deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 3/63:40 pm -
2 stops36h 50m
Sun 3/149:40 pm -
2 stops32h 25m
Deal found 9/14![Air Canada logo]()
$1,330
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.
Fri 10/307:50 pm -
1 stop30h 40m
Fri 11/69:55 pm -
1 stop32h 35m
Deal found 9/15![Qatar Airways logo]()
$1,330
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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.
Sun 1/179:55 pm -
2 stops43h 05m
Sat 2/62:55 pm -
1 stop24h 45m
Deal found 9/12![United Airlines logo]()
$1,455
This Turkish 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/611:45 am -
2 stops38h 40m
Thu 1/219:35 pm -
2 stops37h 45m
Deal found 9/15![Turkish Airlines logo]()
$1,488
This Qantas Airways deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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.
Sat 1/166:45 pm -
2 stops32h 05m
Sun 2/76:50 pm -
2 stops40h 08m
Deal found 9/12![Qantas Airways logo]()
$1,566
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:45 am -
1 stop31h 15m
Wed 12/210:10 am -
1 stop20h 23m
Deal found 9/16![Delta logo]()
$1,610
This oojo deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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.
Thu 10/291:00 pm -
2 stops38h 50m
Wed 11/256:50 pm -
2 stops46h 09m
Deal found 9/14![Air New Zealand logo]()
$1,627
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/58:00 am -
3 stops29h 25m
Mon 3/1511:15 am -
3 stops28h 44m
Deal found 9/15![Alaska Airlines logo]()
$1,830
This Philippine Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/1212:00 pm -
2 stops31h 05m
Mon 10/1911:20 am -
2 stops32h 40m
Deal found 9/14![Multiple Airlines logo]()
$1,319
This Air Canada deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:50 pm -
3 stops33h 35m
Thu 11/56:10 am -
2 stops30h 19m
Deal found 9/14![Air Canada logo]()
$1,406
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 3/66:50 pm -
1 stop29h 45m
Sun 3/145:50 pm -
2 stops37h 10m
Deal found 9/13![Qatar Airways logo]()
$1,418
This Air Canada deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 10/283:30 pm -
2 stops37h 10m
Wed 11/46:00 am -
3 stops31h 48m
Deal found 9/12![Multiple Airlines logo]()
$1,322
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 1/162:30 pm -
1 stop26h 30m
Sat 2/62:55 pm -
1 stop24h 45m
Deal found 9/12![United Airlines logo]()
$1,500
This Turkish Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 12/1011:45 am -
2 stops38h 40m
Thu 12/249:35 pm -
2 stops53h 25m
Deal found 9/12![Turkish Airlines logo]()
$1,514
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 11/2711:05 am -
2 stops29h 25m
Fri 12/410:40 am -
2 stops22h 10m
Deal found 9/12![Delta logo]()
$1,610
This Qatar Airways deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 2/16:50 pm -
1 stop35h 30m
Sun 2/287:55 pm -
2 stops35h 35m
Deal found 9/13![Qatar Airways logo]()
$1,464
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/261:57 pm -
3 stops33h 33m
Sat 12/510:45 am -
2 stops37h 15m
Deal found 9/15![Air Canada logo]()
$1,467
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.
Mon 11/29:15 pm -
2 stops53h 10m
Thu 11/59:35 pm -
2 stops54h 25m
Deal found 9/16![Turkish Airlines logo]()
$1,517
This Philippine 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:00 am -
2 stops32h 30m
Fri 10/239:00 am -
2 stops30h 30m
Deal found 9/16![Multiple Airlines logo]()
$1,380
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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.
Sat 11/711:33 am -
2 stops27h 27m
Sat 12/510:10 am -
2 stops23h 40m
Deal found 9/12![Delta logo]()
$1,615
This Air Canada deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:30 pm -
2 stops29h 35m
Thu 11/56:10 am -
2 stops30h 19m
Deal found 9/14![Multiple Airlines logo]()
$1,394
This Qatar Airways 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:50 pm -
1 stop35h 30m
Sun 11/86:50 pm -
2 stops36h 40m
Deal found 9/16![Qatar Airways logo]()
$1,534
This Qantas Airways deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 12/253:55 pm -
1 stop22h 35m
Tue 1/129:40 am -
1 stop24h 49m
Deal found 9/12![Qantas Airways logo]()
$1,888
This Priceline deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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.
Wed 10/283:30 pm -
2 stops41h 05m
Wed 11/43:15 pm -
3 stops42h 43m
Deal found 9/13![Air Canada logo]()
$1,609
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/11:02 pm -
2 stops25h 58m
Sat 1/1610:10 am -
2 stops29h 00m
Deal found 9/15![Delta logo]()
$1,615
This Qatar Airways deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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.
Sun 2/286:50 pm -
2 stops48h 15m
Thu 4/112:40 pm -
2 stops41h 25m
Deal found 9/13![Qatar Airways logo]()
$1,567
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/13:30 pm -
2 stops38h 45m
Sun 11/86:00 am -
3 stops30h 05m
Deal found 9/16![Multiple Airlines logo]()
$1,442
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/297:35 am -
1 stop31h 55m
Thu 1/2110:40 am -
2 stops30h 10m
Deal found 9/16![Delta logo]()
$1,616
This Qantas Airways deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 12/253:55 pm -
1 stop22h 35m
Fri 1/85:00 am -
2 stops30h 50m
Deal found 9/12![Qantas Airways logo]()
$1,977
Last-minute flights from Chicago to AustraliaDiscover last-minute flight deals from Chicago to Australia. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Australia. Data last updated September 17, 2026 and is based on user searches.
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:20 pm -
2 stops42h 45m
Wed 10/2110:00 am -
1 stop19h 43m
Deal found 9/15![Air Canada logo]()
$1,267
This lol.travel deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:15 am -
2 stops29h 05m
Mon 10/2610:20 am -
2 stops25h 32m
Deal found 9/14![Air Canada logo]()
$1,230
This Flightnetwork deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:05 am -
2 stops29h 15m
Sun 11/111:20 am -
2 stops25h 32m
Deal found 9/12![Air Canada logo]()
$1,236
This lol.travel deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:05 am -
2 stops29h 15m
Tue 10/2710:20 am -
1 stop20h 17m
Deal found 9/13![Air Canada logo]()
$1,198
This Trip.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/218:10 pm -
2 stops32h 00m
Wed 10/289:10 pm -
2 stops50h 50m
Deal found 9/14![Multiple Airlines logo]()
$1,269
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:49 am -
1 stop31h 31m
Fri 11/611:20 am -
1 stop20h 17m
Deal found 9/15![Air Canada logo]()
$1,265
This Justfly.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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.
Mon 10/267:50 pm -
1 stop35h 30m
Mon 11/911:40 pm -
1 stop31h 50m
Deal found 9/12![Qatar Airways logo]()
$1,231
This Justfly.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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.
Mon 10/263:47 pm -
2 stops27h 08m
Mon 11/910:20 am -
2 stops29h 39m
Deal found 9/12![Air New Zealand logo]()
$1,255
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:00 pm -
2 stops27h 00m
Sat 10/318:20 am -
2 stops28h 40m
Deal found 9/15![Air New Zealand logo]()
$1,282
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:40 pm -
2 stops38h 50m
Wed 11/48:15 am -
2 stops29h 07m
Deal found 9/13![Air New Zealand logo]()
$1,286
This Trip.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/287:50 pm -
1 stop35h 30m
Wed 11/411:40 pm -
1 stop31h 50m
Deal found 9/13![Qatar Airways logo]()
$1,305
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:40 pm -
2 stops26h 15m
Sun 11/88:15 am -
2 stops30h 25m
Deal found 9/13![Air New Zealand logo]()
$1,314
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 September 17, 2026.
Search for one-way flight options from Chicago to Australia. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/218:01 pm -
1 stop42h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$533
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.
Tue 10/279:53 am -
2 stops28h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$548
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 10/243:30 pm -
2 stops46h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$550
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 10/317:15 am -
2 stops31h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$551
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 10/317:15 am -
2 stops31h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$551
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 10/2812:27 pm -
2 stops49h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$554
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.
Thu 10/2912:20 pm -
2 stops50h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$557
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.
Mon 11/2310:30 pm -
1 stop38h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$561
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.
Sat 10/316:30 am -
2 stops35h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$562
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/286:30 am -
2 stops55h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$574
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/196:00 am -
2 stops32h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$575
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.
Wed 10/2812:27 pm -
2 stops53h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$581
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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,170 (Expedia) |
One-way from | $533 (Kiwi.com) |
Popular in | December |
Cheapest in | June |
Average price | $1,572 |
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 September 17, 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
ChicagoBrisbane
ORD Chicago O'Hare Intl - BNE Brisbane
ORDBNE
Chicago O'Hare Intl
Sat 10/31
7:15 am-5:50 am
2 stops31h 35m
Brisbane
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$551
ChicagoSydney
MDW Chicago Midway - SYD Sydney Kingsford Smith
MDWSYD
Chicago Midway
Wed 10/28
6:16 am-6:25 am
2 stops32h 09m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$620
ChicagoMelbourne
ORD Chicago O'Hare Intl - MEL Melbourne
ORDMEL
Chicago O'Hare Intl
Mon 10/19
6:00 am-6:45 am
2 stops32h 45m
Melbourne
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$621
ChicagoSydney
MDW Chicago Midway - SYD Sydney Kingsford Smith
MDWSYD
Chicago Midway
Fri 10/23
6:15 am-6:25 am
2 stops32h 10m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$637
ChicagoMelbourne
MDW Chicago Midway - MEL Melbourne
MDWMEL
Chicago Midway
Fri 10/16
1:12 pm-6:45 am
2 stops49h 33m
Melbourne
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$652
ChicagoMelbourne
ORD Chicago O'Hare Intl - AVV Melbourne Avalon
ORDAVV
Chicago O'Hare Intl
Mon 10/19
6:00 am-10:50 pm
3 stops48h 50m
Melbourne Avalon
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$668
ChicagoBrisbane
ORD Chicago O'Hare Intl - BNE Brisbane
ORDBNE
Chicago O'Hare Intl
Wed 11/25
11:35 am-5:50 am
2 stops26h 15m
Brisbane
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$668
ChicagoMelbourne
ORD Chicago O'Hare Intl - AVV Melbourne Avalon
ORDAVV
Chicago O'Hare Intl
Mon 10/26
3:30 pm-9:45 am
3 stops50h 15m
Melbourne Avalon
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$679
ChicagoMelbourne
ORD Chicago O'Hare Intl - MEL Melbourne
ORDMEL
Chicago O'Hare Intl
Mon 10/26
6:00 am-7:30 am
2 stops33h 30m
Melbourne
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$683
ChicagoBrisbane
ORD Chicago O'Hare Intl - BNE Brisbane
ORDBNE
Chicago O'Hare Intl
Tue 1/12
3:35 pm-8:45 am
1 stop25h 10m
Brisbane
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$777
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-SYD
ORD-MEL
ORD-BNE
ORD-PER
ORD-ADL
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-SYD
ORD-MEL
ORD-BNE
ORD-PER
What is the cheapest month to book a flight from Chicago to Australia?
Currently, February is the cheapest month in which you can book a flight from Chicago to Australia (average of $1,285). Flying from Chicago to Australia in December is currently the most expensive (average of $1,724). 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 37 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 September 17, 2026.
See what other customers who have flown with Air New Zealand,Qantas Airways, andUnited Airlines from Chicago to Australia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Boarding
8.2
Food
7.5
Entertainment
7.4
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Overall
8.0
Boarding
8.2
Food
7.5
Entertainment
7.4
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Overall
8.0
Boarding
8.2
Food
7.5
Entertainment
7.4
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Overall
8.0
Boarding
8.2
Food
7.5
Entertainment
7.4
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Overall
8.0
Boarding
8.2
Food
7.5
Entertainment
7.4
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Overall
8.0
Boarding
8.2
Food
7.5
Entertainment
7.4
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Related info for your journey
Find useful and relevant information for your journey from Chicago to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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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 September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Chicago to Australia flights
Consider these flights traveling from Chicago to Australia.
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 September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$237 | Average$1,376 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$712 | Average$1,240 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$716 | Average$819 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$837 | Average$1,611 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$837 | Average$1,563 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$870 | Average$1,721 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,193 | Average$1,270 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,217 | Average$1,707 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$1,560 | Average$1,890 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$1,629 | Average$1,973 | FlexibilityNo cancel fee | On-time68% |