$596+ Cheap flights from O'Hare Intl (ORD) to Australia
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
Jun 13 — Jun 201
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 May 14, 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 May 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:07 pm
ORD
- SYD
1 stop43h 23m
Multiple Airlines
Wed 9/21:15 pm
SYD
- ORD
2 stops32h 04m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$1,129
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:07 pm
ORD
- SYD
1 stop43h 23m
Multiple Airlines
Wed 9/21:15 pm
SYD
- ORD
2 stops32h 04m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$1,219
This Cheapflightsfares deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:45 pm
ORD
- SYD
1 stop34h 25m
ANA
Tue 9/811:45 am
SYD
- ORD
2 stops32h 00m
ANA
Deal found 5/11![ANA logo]()
$1,242
This Gotogate deal was found by Cheapflights users on 5/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:45 pm
ORD
- SYD
1 stop34h 25m
ANA
Thu 10/812:45 pm
SYD
- ORD
1 stop42h 10m
ANA
Deal found 5/12![ANA logo]()
$1,255
This Gotogate deal was found by Cheapflights users on 5/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:45 pm
ORD
- SYD
1 stop34h 25m
ANA
Mon 9/711:45 am
SYD
- ORD
1 stop35h 55m
ANA
Deal found 5/13![ANA logo]()
$1,259
This KAYAK deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:35 pm
ORD
- SYD
1 stop34h 40m
ANA
Tue 11/1012:25 pm
SYD
- ORD
1 stop35h 55m
ANA
Deal found 5/11![ANA logo]()
$1,261
This Gotogate deal was found by Cheapflights users on 5/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:45 pm
ORD
- SYD
1 stop34h 25m
ANA
Wed 9/211:45 am
SYD
- ORD
1 stop42h 10m
ANA
Deal found 5/13![ANA logo]()
$1,266
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:13 pm
ORD
- SYD
1 stop43h 17m
Multiple Airlines
Wed 9/21:15 pm
SYD
- ORD
2 stops32h 04m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$1,268
This Gotogate deal was found by Cheapflights users on 5/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:45 pm
ORD
- SYD
1 stop34h 25m
ANA
Thu 9/311:45 am
SYD
- ORD
1 stop42h 10m
ANA
Deal found 5/13![ANA logo]()
$1,270
This KAYAK deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:35 pm
ORD
- SYD
1 stop34h 40m
ANA
Mon 11/912:25 pm
SYD
- ORD
2 stops33h 40m
ANA
Deal found 5/10![ANA logo]()
$1,271
This BusinessClass deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:50 pm
ORD
- SYD
2 stops32h 20m
ANA
Tue 9/811:45 am
SYD
- ORD
1 stop35h 55m
ANA
Deal found 5/11![ANA logo]()
$1,272
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/319:13 pm
ORD
- MEL
1 stop42h 32m
Multiple Airlines
Tue 8/251:25 pm
MEL
- ORD
2 stops31h 54m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$1,309
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 May 14, 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 May 14, 2026.
This Ovago deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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.
Thu 10/223:40 pm
ORD
- AVV
2 stops30h 30m
Multiple Airlines
Wed 11/116:00 am
AVV
- ORD
2 stops25h 41m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$1,435
This FlightHub deal was found by Cheapflights users on 5/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:40 pm
ORD
- CBR
2 stops27h 55m
Air Canada
Wed 11/116:30 am
CBR
- ORD
2 stops25h 11m
Air Canada
Deal found 5/13![Air Canada logo]()
$1,480
This United Airlines deal was found by Cheapflights users on 5/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:12 pm
ORD
- MEL
2 stops25h 03m
United Airlines
Thu 7/1610:55 am
MEL
- ORD
2 stops24h 19m
United Airlines
Deal found 5/13![United Airlines logo]()
$1,592
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 6/271:49 pm
ORD
- SYD
2 stops26h 01m
Delta
Tue 7/149:15 am
SYD
- ORD
2 stops24h 42m
Delta
Deal found 5/8![Delta logo]()
$1,616
This oojo deal was found by Cheapflights users on 5/14. 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.
Mon 8/108:46 am
ORD
- ADL
2 stops35h 39m
Air New Zealand
Wed 8/196:00 am
ADL
- ORD
2 stops31h 35m
Air New Zealand
Deal found 5/14![Air New Zealand logo]()
$1,616
This FlightHub deal was found by Cheapflights users on 5/12. 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.
Mon 8/175:15 pm
ORD
- CFS
2 stops29h 15m
Qantas Airways
Tue 8/251:55 pm
CFS
- ORD
2 stops30h 18m
Qantas Airways
Deal found 5/12![Qantas Airways logo]()
$1,814
This American Airlines deal was found by Cheapflights users on 5/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/115:10 pm
ORD
- CBR
2 stops28h 00m
American Airlines
Thu 6/186:10 am
CBR
- ORD
2 stops24h 39m
American Airlines
Deal found 5/13![American Airlines logo]()
$1,840
This Qatar Airways deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” 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 8/107:20 pm
ORD
- ADL
1 stop29h 40m
Qatar Airways
Wed 8/195:50 pm
ADL
- ORD
2 stops35h 45m
Qatar Airways
Deal found 5/11![Qatar Airways logo]()
$1,954
This KAYAK deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/304:00 pm
ORD
- PER
1 stop41h 40m
Cathay Pacific
Wed 7/2912:10 am
PER
- ORD
1 stop27h 10m
Cathay Pacific
Deal found 5/10![Cathay Pacific logo]()
$2,308
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/282:18 pm
ORD
- SYD
2 stops26h 12m
Alaska Airlines
Mon 6/15:50 pm
SYD
- ORD
3 stops27h 30m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$2,529
This Air Tahiti Nui deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 Tahiti Nui is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/712:00 pm
ORD
- BNE
3 stops38h 50m
Air Tahiti Nui
Wed 7/226:50 pm
BNE
- ORD
3 stops49h 19m
Air Tahiti Nui
Deal found 5/10![Air Tahiti Nui logo]()
$2,649
This KLM deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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.
Tue 8/254:20 pm
ORD
- SYD
3 stops47h 10m
KLM
Fri 9/410:10 am
SYD
- ORD
3 stops43h 05m
KLM
Deal found 5/9![KLM logo]()
$2,692
This Air Canada deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 8/103:40 pm
ORD
- ADL
2 stops31h 45m
Air Canada
Wed 8/196:55 pm
ADL
- ORD
2 stops34h 16m
Air Canada
Deal found 5/10![Air Canada logo]()
$1,492
This Alaska Airlines deal was found by Cheapflights users on 5/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:54 pm
ORD
- SYD
2 stops32h 56m
Multiple Airlines
Tue 9/88:45 pm
SYD
- ORD
3 stops24h 37m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$1,530
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Thu 7/23:26 pm
ORD
- MEL
1 stop25h 49m
United Airlines
Sat 7/2510:55 am
MEL
- ORD
1 stop25h 39m
United Airlines
Deal found 5/12![United Airlines logo]()
$1,604
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” 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 7/137:45 am
ORD
- SYD
2 stops32h 05m
Delta
Wed 7/229:15 am
SYD
- ORD
2 stops27h 33m
Delta
Deal found 5/11![Delta logo]()
$1,616
This FlightHub deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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.
Thu 5/283:40 pm
ORD
- CBR
2 stops35h 25m
Multiple Airlines
Thu 6/46:20 am
CBR
- ORD
2 stops23h 25m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$1,549
This Air Canada deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 7/73:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Wed 7/2210:00 am
BNE
- ORD
2 stops25h 05m
Air Canada
Deal found 5/10![Air Canada logo]()
$1,564
This United Airlines deal was found by Cheapflights users on 5/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/24:30 pm
ORD
- MEL
1 stop24h 45m
United Airlines
Fri 8/219:30 am
MEL
- ORD
1 stop22h 35m
United Airlines
Deal found 5/13![United Airlines logo]()
$1,604
This Delta deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 7/63:55 pm
ORD
- SYD
2 stops23h 55m
Delta
Mon 7/279:15 am
SYD
- ORD
1 stop19h 31m
Delta
Deal found 5/10![Delta logo]()
$1,616
This FlightHub deal was found by Cheapflights users on 5/12. 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.
Tue 8/185:05 pm
ORD
- CFS
2 stops26h 05m
Qantas Airways
Mon 8/2410:50 am
CFS
- ORD
2 stops42h 33m
Qantas Airways
Deal found 5/12![Qantas Airways logo]()
$1,863
This Alaska Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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.
Wed 8/268:42 pm
ORD
- SYD
2 stops31h 08m
Multiple Airlines
Tue 9/18:45 pm
SYD
- ORD
2 stops31h 41m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$1,569
This KAYAK deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/303:47 pm
ORD
- PER
2 stops41h 28m
Air New Zealand
Thu 7/3011:50 pm
PER
- ORD
2 stops34h 50m
Air New Zealand
Deal found 5/8![Air New Zealand logo]()
$1,908
This United Airlines deal was found by Cheapflights users on 5/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/24:45 pm
ORD
- MEL
2 stops24h 30m
United Airlines
Sat 8/2210:55 am
MEL
- ORD
2 stops23h 10m
United Airlines
Deal found 5/13![United Airlines logo]()
$1,608
This Qatar Airways deal was found by Cheapflights users on 5/12. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:20 pm
ORD
- ADL
2 stops35h 20m
Qatar Airways
Fri 8/286:20 pm
ADL
- ORD
2 stops35h 15m
Qatar Airways
Deal found 5/12![Qatar Airways logo]()
$1,975
This Priceline deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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.
Tue 6/232:15 pm
ORD
- MEL
3 stops30h 20m
Air Canada
Tue 6/306:00 am
MEL
- ORD
2 stops23h 41m
Air Canada
Deal found 5/9![Air Canada logo]()
$1,699
This oojo deal was found by Cheapflights users on 5/13. 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.
Thu 6/119:48 pm
ORD
- ADL
2 stops46h 37m
Air New Zealand
Wed 6/176:00 am
ADL
- ORD
2 stops29h 20m
Air New Zealand
Deal found 5/13![Air New Zealand logo]()
$1,915
This Alaska Airlines deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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 8/256:54 pm
ORD
- SYD
2 stops32h 56m
Multiple Airlines
Fri 9/48:45 pm
SYD
- ORD
3 stops24h 37m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$1,588
This United Airlines deal was found by Cheapflights users on 5/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:40 pm
ORD
- SYD
1 stop42h 15m
United Airlines
Fri 9/410:20 am
SYD
- ORD
1 stop19h 30m
United Airlines
Deal found 5/13![United Airlines logo]()
$1,624
This oojo deal was found by Cheapflights users on 5/12. 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.
Fri 6/266:59 pm
ORD
- LST
2 stops29h 01m
Qantas Airways
Fri 7/35:00 pm
LST
- ORD
2 stops42h 31m
Qantas Airways
Deal found 5/12![Qantas Airways logo]()
$1,979
Last-minute flights from O'Hare Intl to AustraliaDiscover last-minute flight deals from O'Hare Intl to Australia. Data last updated May 14, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Australia. Data last updated May 14, 2026 and is based on user searches.
This lol.travel deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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.
Sat 5/163:40 pm
ORD
- MEL
2 stops28h 25m
Multiple Airlines
Mon 5/258:30 pm
MEL
- ORD
2 stops33h 15m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$1,418
This Air Canada deal was found by Cheapflights users on 5/12. 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.
Mon 5/188:45 am
ORD
- BNE
2 stops31h 20m
Air Canada
Wed 2/1710:45 am
BNE
- ORD
1 stop19h 56m
Air Canada
Deal found 5/12![Air Canada logo]()
$1,402
This Air Canada deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 5/198:45 am
ORD
- BNE
2 stops31h 20m
Air Canada
Mon 3/110:45 am
BNE
- ORD
2 stops46h 05m
Air Canada
Deal found 5/8![Air Canada logo]()
$1,410
This CheapOair deal was found by Cheapflights users on 5/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/248:40 am
ORD
- BNE
2 stops31h 25m
Air Canada
Sun 5/3110:00 am
BNE
- ORD
2 stops42h 07m
Air Canada
Deal found 5/13![Air Canada logo]()
$1,407
This FlightHub deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” 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 6/28:40 am
ORD
- BNE
2 stops31h 25m
Air Canada
Tue 6/1610:15 am
BNE
- ORD
2 stops38h 23m
Air Canada
Deal found 5/11![Air Canada logo]()
$1,394
This Travelocity deal was found by Cheapflights users on 5/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/163:40 pm
ORD
- SYD
1 stop24h 40m
Air Canada
Tue 6/239:20 am
SYD
- ORD
2 stops43h 02m
Air Canada
Deal found 5/12![Air Canada logo]()
$1,408
This Vliegwinkel deal was found by Cheapflights users on 5/12. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/223:40 pm
ORD
- SYD
1 stop24h 40m
Air Canada
Wed 7/89:20 am
SYD
- ORD
1 stop20h 21m
Air Canada
Deal found 5/12![Air Canada logo]()
$1,337
This Kiwi.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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 6/227:20 am
ORD
- SYD
2 stops33h 10m
Multiple Airlines
Wed 7/85:50 pm
SYD
- ORD
1 stop27h 27m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$1,394
This Kiwi.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 6/237:20 am
ORD
- SYD
2 stops33h 10m
Multiple Airlines
Tue 7/75:50 pm
SYD
- ORD
1 stop27h 27m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$1,401
This Justfly.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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.
Wed 6/243:40 pm
ORD
- SYD
1 stop24h 40m
Air Canada
Wed 7/89:20 am
SYD
- ORD
1 stop20h 21m
Air Canada
Deal found 5/10![Air Canada logo]()
$1,410
This Trip.com deal was found by Cheapflights users on 5/13. 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.
Sat 6/277:20 am
ORD
- SYD
3 stops37h 30m
Multiple Airlines
Sat 7/41:15 pm
SYD
- ORD
2 stops32h 04m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$1,291
This Justfly.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” 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 6/275:58 pm
ORD
- BNE
2 stops46h 07m
Air Canada
Tue 7/710:15 am
BNE
- ORD
2 stops38h 19m
Air Canada
Deal found 5/11![Air Canada logo]()
$1,411
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 May 14, 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 May 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:46 pm
ORD
- SYD
1 stop43h 44m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$596
This Kiwi.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 5/278:46 pm
ORD
- MEL
1 stop42h 59m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$603
This BusinessClass deal was found by Cheapflights users on 5/13. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:18 pm
ORD
- MEL
2 stops34h 02m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$607
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/39:37 pm
ORD
- MEL
2 stops42h 08m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$640
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/39:37 pm
ORD
- SYD
2 stops42h 53m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$640
This Kiwi.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 8/249:48 pm
ORD
- SYD
3 stops44h 37m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$642
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:46 pm
ORD
- SYD
1 stop43h 44m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$645
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:07 pm
ORD
- SYD
2 stops30h 43m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$651
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:57 pm
ORD
- SYD
2 stops42h 33m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$658
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:02 pm
ORD
- SYD
2 stops26h 28m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$661
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:37 pm
ORD
- SYD
2 stops42h 53m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$663
This BusinessClass deal was found by Cheapflights users on 5/12. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:28 pm
ORD
- MEL
2 stops33h 52m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$667
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 May 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,219 (Kiwi.com) |
One-way from | $596 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $1,447 |
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 2,558,603 searches. Data last updated May 14, 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
ChicagoMelbourne
ORD - AVV
ORDAVV
Chicago O'Hare Intl
Thu 10/22
3:40 pm-2:10 pm
2 stops30h 30m
Melbourne Avalon
Wed 11/11
6:00 am-2:41 pm
2 stops25h 41m
$1,435
ChicagoCanberra
ORD - CBR
ORDCBR
Chicago O'Hare Intl
Tue 10/27
3:40 pm-11:35 am
2 stops27h 55m
Canberra
Wed 11/11
6:30 am-2:41 pm
2 stops25h 11m
$1,480
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Mon 8/10
3:40 pm-1:55 pm
2 stops31h 45m
Adelaide
Wed 8/19
6:55 pm-2:41 pm
2 stops34h 16m
$1,492
ChicagoSydney
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Tue 9/1
6:54 pm-6:50 pm
2 stops32h 56m
Sydney Kingsford Smith
Tue 9/8
8:45 pm-6:22 am
3 stops24h 37m
$1,530
ChicagoCanberra
ORD - CBR
ORDCBR
Chicago O'Hare Intl
Thu 5/28
3:40 pm-6:05 pm
2 stops35h 25m
Canberra
Thu 6/4
6:20 am-2:45 pm
2 stops23h 25m
$1,549
ChicagoBrisbane
ORD - BNE
ORDBNE
Chicago O'Hare Intl
Tue 7/7
3:40 pm-7:05 am
1 stop24h 25m
Brisbane
Wed 7/22
10:00 am-8:05 pm
2 stops25h 05m
$1,564
ChicagoSydney
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Wed 8/26
8:42 pm-6:50 pm
2 stops31h 08m
Sydney Kingsford Smith
Tue 9/1
8:45 pm-1:26 pm
2 stops31h 41m
$1,569
ChicagoSydney
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Tue 8/25
6:54 pm-6:50 pm
2 stops32h 56m
Sydney Kingsford Smith
Fri 9/4
8:45 pm-6:22 am
3 stops24h 37m
$1,588
ChicagoMelbourne
ORD - MEL
ORDMEL
Chicago O'Hare Intl
Fri 7/3
4:12 pm-8:15 am
2 stops25h 03m
Melbourne
Thu 7/16
10:55 am-8:14 pm
2 stops24h 19m
$1,592
ChicagoMelbourne
ORD - MEL
ORDMEL
Chicago O'Hare Intl
Thu 7/2
3:26 pm-8:15 am
1 stop25h 49m
Melbourne
Sat 7/25
10:55 am-9:34 pm
1 stop25h 39m
$1,604
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-SYD
ORD-BNE
ORD-MEL
ORD-PER
ORD-AVV
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-SYD
ORD-BNE
ORD-MEL
ORD-PER
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 55 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Australia?
Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Australia (average of $113). Flying from Chicago O'Hare Intl Airport to Australia in February is currently the most expensive (average of $839). 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.
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 May 14, 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.
Food
7.4
Overall
8.0
Entertainment
7.4
Crew
8.5
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Food
7.4
Overall
8.0
Entertainment
7.4
Crew
8.5
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Food
7.4
Overall
8.0
Entertainment
7.4
Crew
8.5
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Food
7.4
Overall
8.0
Entertainment
7.4
Crew
8.5
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Food
7.4
Overall
8.0
Entertainment
7.4
Crew
8.5
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Food
7.4
Overall
8.0
Entertainment
7.4
Crew
8.5
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
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 May 14, 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 9 airlines flying from O'Hare Intl to Australia
Discover the top 9 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 2,558,603 searches. Data last updated May 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$198 | Average$1,487 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$712 | Average$1,127 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$716 | Average$1,212 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$836 | Average$1,567 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$870 | Average$1,690 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,193 | Average$1,288 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,217 | Average$1,480 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$1,263 | Average$1,762 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,418 | Average$1,890 | FlexibilityNo cancel fee | On-time72% |