$534+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SYD
Oct 8 — Oct 151
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Australia with Cheapflights
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Cheapest flights from Chicago to AustraliaExplore the most affordable flight options available from Chicago to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 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 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/168:01 pm -
1 stop42h 44m
Fri 10/232:30 pm -
2 stops32h 04m
Deal found 9/2![Multiple Airlines logo]()
$1,005
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/188:01 pm -
1 stop42h 44m
Sun 10/251:55 pm -
2 stops32h 39m
Deal found 9/3![Multiple Airlines logo]()
$1,184
This lol.travel deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:40 pm -
1 stop24h 40m
Sun 9/279:20 am -
1 stop20h 23m
Deal found 9/5![Air Canada logo]()
$1,189
This Trip.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:30 am -
3 stops36h 55m
Sun 11/221:55 pm -
3 stops32h 15m
Deal found 9/5![Multiple Airlines logo]()
$1,193
This lol.travel deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:45 pm -
1 stop20h 20m
Wed 10/2110:00 am -
1 stop25h 06m
Deal found 9/5![Air Canada logo]()
$1,203
This Trip.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:26 am -
3 stops34h 24m
Wed 9/301:15 pm -
3 stops35h 05m
Deal found 9/5![Multiple Airlines logo]()
$1,232
This FlightHub deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/267:50 pm -
1 stop35h 30m
Wed 11/1111:40 pm -
1 stop31h 50m
Deal found 9/4![Multiple Airlines logo]()
$1,236
This oojo deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/262:40 pm -
2 stops27h 55m
Wed 11/1111:50 am -
2 stops25h 47m
Deal found 9/4![Air New Zealand logo]()
$1,236
This oojo deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Tue 12/13:00 pm -
2 stops24h 35m
Sun 12/1311:50 am -
2 stops27h 15m
Deal found 9/3![Air New Zealand logo]()
$1,237
This FlightHub deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/11:00 pm -
2 stops26h 35m
Sun 11/89:55 am -
2 stops32h 04m
Deal found 9/6![Air New Zealand logo]()
$1,238
This oojo deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/13:00 pm -
2 stops24h 35m
Tue 11/1711:50 am -
2 stops25h 45m
Deal found 9/7![Air New Zealand logo]()
$1,242
This Trip.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:25 pm -
2 stops42h 55m
Wed 10/289:10 pm -
2 stops48h 45m
Deal found 9/6![Multiple Airlines logo]()
$1,246
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 8, 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 8, 2026.
This lol.travel deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:05 am -
2 stops29h 00m
Wed 10/2110:00 am -
2 stops25h 12m
Deal found 9/5![Air Canada logo]()
$1,207
This Trip.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:25 pm -
2 stops42h 55m
Wed 10/289:10 pm -
2 stops48h 45m
Deal found 9/6![Multiple Airlines logo]()
$1,246
This Turkish Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:10 pm -
2 stops32h 00m
Wed 10/2110:05 pm -
2 stops36h 10m
Deal found 9/7![Turkish Airlines logo]()
$1,465
This Qatar Airways deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/207:20 pm -
1 stop34h 15m
Tue 10/271:20 pm -
2 stops39h 10m
Deal found 9/4![Qatar Airways logo]()
$1,497
This Justfly.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:20 pm -
1 stop31h 10m
Tue 10/1310:10 pm -
1 stop31h 55m
Deal found 9/6![JetBlue logo]()
$1,525
This Ovago deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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.
Tue 10/204:40 pm -
2 stops39h 35m
Tue 10/276:50 pm -
2 stops38h 47m
Deal found 9/4![Air New Zealand logo]()
$1,540
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:45 am -
1 stop31h 15m
Tue 12/810:10 am -
1 stop24h 21m
Deal found 9/7![Delta logo]()
$1,610
This Alaska Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:22 pm -
2 stops26h 08m
Sat 9/265:50 pm -
2 stops27h 30m
Deal found 9/6![Alaska Airlines logo]()
$1,774
This lol.travel deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:48 pm -
2 stops31h 52m
Mon 11/166:10 am -
2 stops24h 57m
Deal found 9/6![Air Canada logo]()
$1,272
This Orbitz deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:40 pm -
2 stops30h 45m
Mon 11/96:00 am -
3 stops29h 35m
Deal found 9/4![Multiple Airlines logo]()
$1,329
This KLM deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:25 pm -
3 stops46h 00m
Fri 11/1311:10 am -
3 stops44h 15m
Deal found 9/7![KLM logo]()
$2,690
This lol.travel deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:48 pm -
2 stops31h 52m
Mon 11/236:00 am -
3 stops30h 28m
Deal found 9/6![Air Canada logo]()
$1,319
This Air Canada deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:45 pm -
2 stops28h 15m
Tue 10/276:00 am -
2 stops29h 01m
Deal found 9/5![Multiple Airlines logo]()
$1,333
This Turkish Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:10 pm -
2 stops32h 30m
Fri 10/3010:35 pm -
2 stops53h 25m
Deal found 9/5![Turkish Airlines logo]()
$1,542
This Justfly.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 12/63:00 pm -
2 stops24h 55m
Sun 1/311:30 am -
1 stop40h 58m
Deal found 9/3![Air New Zealand logo]()
$1,572
This Qatar Airways deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:20 pm -
1 stop34h 15m
Mon 11/211:20 am -
2 stops41h 10m
Deal found 9/7![Qatar Airways logo]()
$1,582
This Air Canada deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:45 am -
2 stops31h 20m
Tue 9/2910:00 am -
1 stop19h 43m
Deal found 9/6![Air Canada logo]()
$1,322
This Qantas Airways deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/83:25 pm -
2 stops36h 15m
Fri 2/129:15 pm -
2 stops36h 36m
Deal found 9/4![Qantas Airways logo]()
$3,204
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/261:27 pm -
2 stops25h 33m
Wed 11/1110:10 am -
2 stops24h 54m
Deal found 9/4![Delta logo]()
$1,614
This Air Canada deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/197:45 pm -
2 stops25h 50m
Sat 10/246:40 pm -
2 stops41h 21m
Deal found 9/4![Multiple Airlines logo]()
$1,335
This SmartFares deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/147:20 pm -
1 stop31h 10m
Sun 9/2010:10 pm -
1 stop31h 55m
Deal found 9/3![Qatar Airways logo]()
$1,583
This Priceline deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:40 pm -
2 stops36h 15m
Mon 11/96:10 am -
2 stops24h 57m
Deal found 9/7![Air Canada logo]()
$1,322
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3012:30 pm -
2 stops26h 30m
Tue 12/810:10 am -
2 stops23h 40m
Deal found 9/7![Delta logo]()
$1,615
This Travelocity deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:15 pm -
3 stops30h 10m
Tue 11/106:00 am -
3 stops29h 35m
Deal found 9/4![Multiple Airlines logo]()
$1,352
This Alaska Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:00 am -
3 stops30h 25m
Sat 12/1211:15 am -
3 stops29h 44m
Deal found 9/5![Alaska Airlines logo]()
$1,829
This Priceline deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/193:40 pm -
2 stops36h 15m
Tue 11/106:10 am -
2 stops24h 57m
Deal found 9/4![Air Canada logo]()
$1,322
This Qatar Airways deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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.
Sat 10/317:50 pm -
1 stop33h 55m
Tue 11/171:20 pm -
2 stops39h 10m
Deal found 9/4![Qatar Airways logo]()
$1,602
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/11:02 pm -
2 stops25h 58m
Tue 12/810:10 am -
2 stops24h 51m
Deal found 9/7![Delta logo]()
$1,615
This Alaska Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 12/19:20 am -
3 stops28h 05m
Sun 12/1311:15 am -
3 stops29h 44m
Deal found 9/4![Alaska Airlines logo]()
$1,839
This Qatar Airways deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/187:20 pm -
1 stop34h 15m
Sun 10/251:20 pm -
2 stops39h 10m
Deal found 9/3![Qatar Airways logo]()
$1,602
Last-minute flights from Chicago to AustraliaDiscover last-minute flight deals from Chicago to Australia. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Australia. Data last updated September 8, 2026 and is based on user searches.
This lol.travel deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:40 pm -
1 stop24h 40m
Sun 9/279:20 am -
1 stop20h 23m
Deal found 9/5![Air Canada logo]()
$1,189
This Trip.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:26 am -
3 stops34h 24m
Wed 9/236:15 am -
3 stops42h 05m
Deal found 9/5![Multiple Airlines logo]()
$1,261
This FlightHub deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:20 pm -
1 stop31h 10m
Tue 9/2910:10 pm -
1 stop31h 55m
Deal found 9/6![Multiple Airlines logo]()
$1,264
This Trip.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:30 am -
3 stops37h 05m
Wed 9/2311:35 am -
3 stops37h 45m
Deal found 9/7![Multiple Airlines logo]()
$1,257
This Trip.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:26 am -
3 stops34h 24m
Wed 9/301:15 pm -
3 stops35h 05m
Deal found 9/5![Multiple Airlines logo]()
$1,232
This lol.travel deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:45 pm -
1 stop20h 20m
Wed 10/2110:00 am -
1 stop25h 06m
Deal found 9/5![Air Canada logo]()
$1,203
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/168:01 pm -
1 stop42h 44m
Fri 10/232:30 pm -
2 stops32h 04m
Deal found 9/2![Multiple Airlines logo]()
$1,005
This Justfly.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:25 pm -
2 stops46h 20m
Sun 10/2511:50 am -
2 stops33h 14m
Deal found 9/7![Air New Zealand logo]()
$1,250
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/188:01 pm -
1 stop42h 44m
Sun 10/251:55 pm -
2 stops32h 39m
Deal found 9/3![Multiple Airlines logo]()
$1,184
This FlightHub deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/267:50 pm -
1 stop35h 30m
Wed 11/1111:40 pm -
1 stop31h 50m
Deal found 9/4![Multiple Airlines logo]()
$1,236
This oojo deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/262:40 pm -
2 stops27h 55m
Wed 11/1111:50 am -
2 stops25h 47m
Deal found 9/4![Air New Zealand logo]()
$1,236
This oojo deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/263:47 pm -
2 stops24h 48m
Mon 11/911:50 am -
2 stops28h 09m
Deal found 9/5![Air New Zealand logo]()
$1,237
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 8, 2026.
Search for one-way flight options from Chicago to Australia. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:01 pm -
1 stop43h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$534
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 11/76:30 am -
2 stops34h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$561
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 11/186:30 am -
2 stops30h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$566
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:00 am -
2 stops29h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$580
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:00 am -
2 stops29h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$588
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/173:30 pm -
2 stops48h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$598
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:46 pm -
2 stops44h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$599
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/92:10 pm -
2 stops48h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$602
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:30 pm -
2 stops48h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$603
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:51 pm -
2 stops48h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$624
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:25 pm -
2 stops42h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$627
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/512:51 pm -
3 stops38h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$634
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 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,005 (Kiwi.com) |
One-way from | $534 (Kiwi.com) |
Popular in | December |
Cheapest in | June |
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 September 8, 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
Thu 10/22
9:00 am-6:45 am
2 stops29h 45m
Melbourne
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$580
ChicagoPerth
ORD Chicago O'Hare Intl - PER Perth
ORDPER
Chicago O'Hare Intl
Mon 11/9
2:10 pm-4:40 am
2 stops48h 30m
Perth
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$604
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
$649
ChicagoMelbourne
MDW Chicago Midway - MEL Melbourne
MDWMEL
Chicago Midway
Thu 10/22
6:22 am-6:45 am
2 stops32h 23m
Melbourne
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$672
ChicagoSydney
ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith
ORDSYD
Chicago O'Hare Intl
Tue 10/20
9:00 am-9:55 am
3 stops32h 55m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$675
ChicagoSydney
MDW Chicago Midway - SYD Sydney Kingsford Smith
MDWSYD
Chicago Midway
Tue 10/20
6:21 am-9:40 am
3 stops35h 19m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$693
ChicagoSydney
ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith
ORDSYD
Chicago O'Hare Intl
Mon 11/30
2:10 pm-12:10 pm
3 stops53h 00m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$708
ChicagoSydney
ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith
ORDSYD
Chicago O'Hare Intl
Tue 11/3
4:25 pm-10:45 am
2 stops49h 20m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$711
ChicagoMelbourne
MDW Chicago Midway - MEL Melbourne
MDWMEL
Chicago Midway
Tue 10/13
6:21 am-10:55 am
3 stops36h 34m
Melbourne
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$716
ChicagoSydney
MDW Chicago Midway - SYD Sydney Kingsford Smith
MDWSYD
Chicago Midway
Tue 12/1
2:04 pm-6:25 am
2 stops47h 21m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$725
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-MEL
ORD-SYD
ORD-PER
ORD-BNE
MDW-SYD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago to Australia
CHI-AU0
ORD-MEL
ORD-SYD
ORD-PER
ORD-BNE
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 $1,304). Flying from Chicago to Australia in December is currently the most expensive (average of $1,735). 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 8, 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.
Food
7.4
Entertainment
7.4
Overall
8.0
Crew
8.5
Boarding
8.2
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Food
7.4
Entertainment
7.4
Overall
8.0
Crew
8.5
Boarding
8.2
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Food
7.4
Entertainment
7.4
Overall
8.0
Crew
8.5
Boarding
8.2
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Food
7.4
Entertainment
7.4
Overall
8.0
Crew
8.5
Boarding
8.2
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Food
7.4
Entertainment
7.4
Overall
8.0
Crew
8.5
Boarding
8.2
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Food
7.4
Entertainment
7.4
Overall
8.0
Crew
8.5
Boarding
8.2
Comfort
7.9
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 8, 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 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$237 | Average$1,376 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$649 | Average$1,308 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$716 | Average$1,166 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$837 | Average$1,608 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$837 | Average$1,549 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$870 | Average$1,703 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,193 | Average$1,270 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,217 | Average$1,621 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$1,560 | Average$1,973 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$1,629 | Average$1,973 | FlexibilityNo cancel fee | On-time68% |