$534+ Cheap flights from O'Hare Intl (ORD) 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.
ORD — SYD
Oct 7 — Oct 141
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from O'Hare Intl to Australia with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from O'Hare Intl to Australia
Cheapest
Best
Last-minute
One-way
Cheapest flights from O'Hare Intl to AustraliaExplore the most affordable flight options available from O'Hare Intl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
Explore the most affordable flight options available from O'Hare Intl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 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 9/2. 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.
Sat 10/178:01 pm -
1 stop41h 59m
Sat 10/2411:50 pm -
2 stops45h 44m
Deal found 9/2![Multiple Airlines logo]()
$1,052
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 9/2. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2511:30 am -
1 stop40h 45m
Sat 11/712:25 pm -
1 stop35h 55m
Deal found 9/2![ANA logo]()
$1,201
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 9/5. 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
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
Best flights from O'Hare Intl to AustraliaDiscover carefully curated flight deals from O'Hare Intl to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from O'Hare Intl to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
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 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.
Mon 2/16:50 pm -
1 stop35h 30m
Sun 2/284:10 pm -
1 stop39h 20m
Deal found 9/4![Qatar Airways logo]()
$1,375
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 9/1. Clicking the “Pick Dates” 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 10/1411:19 am -
2 stops29h 31m
Wed 10/2111:00 am -
2 stops23h 10m
Deal found 9/1![Delta logo]()
$1,650
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 United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:35 pm -
1 stop23h 55m
Sun 10/1810:30 am -
1 stop19h 20m
Deal found 9/5![United Airlines logo]()
$1,909
This Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/143:20 pm -
2 stops25h 45m
Thu 2/1810:35 am -
2 stops50h 25m
Deal found 9/2![Qantas Airways logo]()
$2,526
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:25 pm -
2 stops44h 10m
Sun 11/810:35 am -
3 stops44h 50m
Deal found 9/4![KLM logo]()
$2,656
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 Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/182:15 pm -
3 stops32h 10m
Sun 10/256:10 am -
2 stops23h 57m
Deal found 9/3![Air Canada logo]()
$1,330
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.
Mon 10/192:15 pm -
3 stops32h 10m
Mon 11/96:10 am -
2 stops24h 57m
Deal found 9/6![Air Canada logo]()
$1,331
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 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 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 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.
Mon 2/112:50 pm -
3 stops31h 30m
Wed 3/317:20 am -
2 stops23h 15m
Deal found 9/3![Air Canada logo]()
$1,360
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/252:10 pm -
1 stop41h 10m
Thu 2/1812:50 am -
1 stop27h 40m
Deal found 9/4![Cathay Pacific logo]()
$3,321
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.
Sun 10/47:30 pm -
2 stops45h 20m
Wed 10/2111:00 am -
2 stops27h 05m
Deal found 9/4![Delta logo]()
$1,675
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.
Wed 10/287:50 pm -
2 stops57h 20m
Thu 11/51:00 pm -
2 stops42h 30m
Deal found 9/4![Qatar Airways logo]()
$1,537
This Jetabroad 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:55 pm -
3 stops29h 25m
Tue 12/158:55 am -
2 stops33h 04m
Deal found 9/5![Air New Zealand logo]()
$1,759
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.
Sun 2/2810:40 am -
3 stops33h 40m
Sun 3/147:05 am -
3 stops28h 53m
Deal found 9/4![Multiple Airlines logo]()
$1,373
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 Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:30 am -
1 stop29h 30m
Sat 12/1210:10 am -
1 stop22h 39m
Deal found 9/5![Delta logo]()
$1,678
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.
Wed 10/287:50 pm -
2 stops57h 20m
Wed 11/46:20 am -
2 stops49h 10m
Deal found 9/4![Qatar Airways logo]()
$1,537
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:21 pm -
3 stops49h 34m
Thu 11/265:35 pm -
3 stops54h 19m
Deal found 9/2![Air Canada logo]()
$1,420
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:00 am -
2 stops32h 30m
Wed 10/216:50 pm -
3 stops26h 50m
Deal found 9/2![Alaska Airlines logo]()
$1,832
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:28 pm -
1 stop44h 32m
Thu 12/1710:10 am -
1 stop20h 23m
Deal found 9/6![Delta logo]()
$1,691
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.
Mon 10/267:50 pm -
2 stops59h 40m
Mon 11/95:50 pm -
2 stops37h 40m
Deal found 9/4![Qatar Airways logo]()
$1,545
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:21 pm -
3 stops49h 34m
Thu 11/266:00 am -
2 stops24h 37m
Deal found 9/2![Multiple Airlines logo]()
$1,405
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:40 pm -
2 stops29h 40m
Sat 10/246:05 am -
2 stops24h 38m
Deal found 9/2![Air Canada logo]()
$1,469
Last-minute flights from O'Hare Intl to AustraliaDiscover last-minute flight deals from O'Hare Intl to Australia. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Australia. Data last updated September 7, 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 9/2110:26 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 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.
Sat 10/178:01 pm -
1 stop41h 59m
Sat 10/2411:50 pm -
2 stops45h 44m
Deal found 9/2![Multiple Airlines logo]()
$1,052
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 9/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:00 pm -
2 stops25h 45m
Mon 11/99:55 am -
2 stops28h 41m
Deal found 9/2![Air New Zealand logo]()
$1,238
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2511:30 am -
1 stop40h 45m
Sat 11/712:25 pm -
1 stop35h 55m
Deal found 9/2![ANA logo]()
$1,201
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:12 pm -
2 stops32h 03m
Mon 11/99:45 pm -
2 stops48h 35m
Deal found 9/2![ANA logo]()
$1,242
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 O'Hare Intl to AustraliaSearch for one-way flight options from O'Hare Intl to Australia. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from O'Hare Intl to Australia. Find affordable one-way fares based on user searches. Data last updated September 7, 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 9/2. 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.
Sat 9/266:30 am -
2 stops33h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$570
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 9/6. 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.
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 9/2. 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.
Wed 12/237:34 pm -
1 stop41h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$633
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
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.
Thu 10/158:01 pm -
2 stops45h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$638
Find flight deals from O'Hare Intl to Australia
Keep the following information in mind while searching for O'Hare Intl to Australia flight deals. Data was last updated September 7, 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 O'Hare Intl 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 7, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Australia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
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
ChicagoAdelaide
ORD Chicago O'Hare Intl - ADL Adelaide
ORDADL
Chicago O'Hare Intl
Wed 10/21
6:30 am-8:00 am
3 stops58h 00m
Adelaide
Wed 12/31
12:00 am-8:30 am
Nonstop0h 00m
$638
ChicagoPerth
ORD Chicago O'Hare Intl - PER Perth
ORDPER
Chicago O'Hare Intl
Sun 2/7
1:10 pm-7:55 pm
2 stops40h 45m
Perth
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$639
ChicagoCairns
ORD Chicago O'Hare Intl - CNS Cairns
ORDCNS
Chicago O'Hare Intl
Tue 11/3
6:30 am-11:20 am
3 stops36h 50m
Cairns
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$655
ChicagoMelbourne
ORD Chicago O'Hare Intl - AVV Melbourne Avalon
ORDAVV
Chicago O'Hare Intl
Wed 10/14
8:25 pm-10:50 pm
3 stops58h 25m
Melbourne Avalon
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$709
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
ORD Chicago O'Hare Intl - AVV Melbourne Avalon
ORDAVV
Chicago O'Hare Intl
Tue 12/1
8:43 pm-11:15 pm
3 stops57h 32m
Melbourne Avalon
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$727
ChicagoCairns
ORD Chicago O'Hare Intl - CNS Cairns
ORDCNS
Chicago O'Hare Intl
Sun 9/13
6:30 am-10:25 pm
3 stops48h 55m
Cairns
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$752
ChicagoSydney
ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith
ORDSYD
Chicago O'Hare Intl
Tue 11/10
4:25 pm-8:15 pm
1 stop34h 50m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$761
ChicagoSydney
ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith
ORDSYD
Chicago O'Hare Intl
Fri 11/6
1:55 pm-9:35 am
2 stops26h 40m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$782
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from O'Hare Intl to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from O'Hare Intl with our price prediction graph.
ORD-MEL
ORD-BNE
ORD-SYD
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 O'Hare Intl Airport to Australia
ORD-AU0
ORD-MEL
ORD-BNE
ORD-SYD
ORD-PER
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Australia?
Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Australia (average of $1,250). Flying from Chicago O'Hare Intl Airport to Australia in December is currently the most expensive (average of $1,764). 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 O'Hare Intl Airport to Australia?
The price you pay for your flight from Chicago O'Hare Intl Airport to Australia may vary depending on when you book. For the best chance of a lower fare, look to book 37 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 7, 2026.
Peruse reviews from past customers who have flown with Air New Zealand,Qantas Airways, andUnited Airlines from Chicago O'Hare Intl Airport to Australia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Boarding
8.2
Overall
8.0
Entertainment
7.4
Comfort
7.9
Food
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Crew
8.5
Boarding
8.2
Overall
8.0
Entertainment
7.4
Comfort
7.9
Food
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Crew
8.5
Boarding
8.2
Overall
8.0
Entertainment
7.4
Comfort
7.9
Food
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Crew
8.5
Boarding
8.2
Overall
8.0
Entertainment
7.4
Comfort
7.9
Food
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Crew
8.5
Boarding
8.2
Overall
8.0
Entertainment
7.4
Comfort
7.9
Food
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Crew
8.5
Boarding
8.2
Overall
8.0
Entertainment
7.4
Comfort
7.9
Food
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl 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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top regions
Alternative routes for O'Hare Intl 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 O'Hare Intl to Australia by cabin class
Find flights from O'Hare Intl to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
O'Hare Intl and Australia flights
Browse other O'Hare Intl and Australia flight options. Last updated on September 7, 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 O'Hare Intl to Australia
Discover the top 10 airlines that operate flights from O'Hare Intl 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 7, 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% |