$442+ 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
Apr 28 — May 51
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 March 29, 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 March 29, 2026.
This Trip.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 5/67:30 am
ORD
- BNE
2 stops36h 05m
Multiple Airlines
Wed 5/1311:35 am
BNE
- ORD
2 stops25h 29m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$874
This Trip.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 5/115:15 am
ORD
- BNE
2 stops38h 20m
Multiple Airlines
Wed 5/2011:35 am
BNE
- ORD
2 stops25h 29m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$921
This Trip.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:00 pm
ORD
- MEL
2 stops30h 00m
Multiple Airlines
Sun 5/101:30 pm
MEL
- ORD
2 stops31h 05m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$943
This Expedia deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/313:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Tue 6/910:15 am
BNE
- ORD
1 stop19h 30m
Air Canada
Deal found 3/27![Air Canada logo]()
$955
This Travelocity deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Tue 5/2610:15 am
BNE
- ORD
1 stop19h 30m
Air Canada
Deal found 3/25![Air Canada logo]()
$956
This Trip.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 5/163:00 pm
ORD
- MEL
2 stops30h 00m
Multiple Airlines
Sun 5/241:30 pm
MEL
- ORD
2 stops31h 05m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$957
This Air Canada deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 5/58:45 am
ORD
- BNE
2 stops31h 20m
Air Canada
Tue 5/1210:00 am
BNE
- ORD
2 stops25h 08m
Air Canada
Deal found 3/24![Air Canada logo]()
$963
This Justfly.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/23:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Tue 6/1610:15 am
BNE
- ORD
2 stops38h 19m
Air Canada
Deal found 3/27![Air Canada logo]()
$965
This Justfly.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/303:40 pm
ORD
- BNE
2 stops48h 25m
Air Canada
Mon 6/810:00 am
BNE
- ORD
2 stops38h 34m
Air Canada
Deal found 3/28![Air Canada logo]()
$968
This Air Canada deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1711:05 am
ORD
- BNE
2 stops29h 00m
Air Canada
Sun 8/1610:00 am
BNE
- ORD
2 stops42h 05m
Air Canada
Deal found 3/26![Air Canada logo]()
$969
This Trip.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:30 am
ORD
- SYD
2 stops37h 20m
Multiple Airlines
Tue 4/281:15 pm
SYD
- ORD
2 stops25h 12m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$971
This Trip.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:30 am
ORD
- SYD
2 stops37h 20m
Multiple Airlines
Wed 6/31:20 pm
SYD
- ORD
2 stops31h 15m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$983
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 March 29, 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 March 29, 2026.
This Air Canada deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/112:15 pm
ORD
- ADL
3 stops33h 10m
Multiple Airlines
Mon 5/185:15 pm
ADL
- ORD
2 stops41h 30m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$1,015
This Air Canada deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/103:40 pm
ORD
- ADL
2 stops29h 40m
Air Canada
Sun 5/177:00 pm
ADL
- ORD
2 stops34h 15m
Air Canada
Deal found 3/26![Air Canada logo]()
$1,160
This Bravofly deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/912:30 pm
ORD
- ADL
2 stops30h 25m
Qantas Airways
Sat 5/165:10 pm
ADL
- ORD
2 stops41h 17m
Qantas Airways
Deal found 3/25![Qantas Airways logo]()
$1,331
This United Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:20 pm
ORD
- MEL
1 stop22h 55m
United Airlines
Tue 9/1510:55 am
MEL
- ORD
1 stop24h 27m
United Airlines
Deal found 3/25![United Airlines logo]()
$1,600
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:30 pm
ORD
- MEL
1 stop22h 20m
Delta
Wed 9/910:00 am
MEL
- ORD
2 stops23h 39m
Delta
Deal found 3/25![Delta logo]()
$1,612
This FlightHub deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:31 am
ORD
- PER
2 stops45h 04m
JetBlue
Fri 5/110:45 pm
PER
- ORD
2 stops45h 56m
JetBlue
Deal found 3/26![JetBlue logo]()
$1,809
This oojo deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:20 pm
ORD
- PER
1 stop34h 15m
Qatar Airways
Fri 5/110:45 pm
PER
- ORD
1 stop29h 20m
Qatar Airways
Deal found 3/26![Qatar Airways logo]()
$1,833
This Japan Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:40 am
ORD
- MEL
1 stop28h 05m
Japan Airlines
Mon 5/117:25 am
MEL
- ORD
1 stop39h 20m
Japan Airlines
Deal found 3/25![Japan Airlines logo]()
$1,986
This BusinessClass deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/94:00 pm
ORD
- CNS
3 stops39h 45m
Air New Zealand
Sat 5/1612:35 pm
CNS
- ORD
2 stops50h 59m
Air New Zealand
Deal found 3/26![Air New Zealand logo]()
$1,998
This Cathay Pacific deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/94:15 pm
ORD
- MEL
1 stop39h 00m
Cathay Pacific
Fri 5/152:25 pm
MEL
- ORD
1 stop38h 30m
Cathay Pacific
Deal found 3/25![Cathay Pacific logo]()
$2,269
This flugladen.de deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/123:40 pm
ORD
- ADL
2 stops29h 00m
Multiple Airlines
Tue 5/195:15 pm
ADL
- ORD
2 stops36h 00m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$1,141
This Priceline deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/92:15 pm
ORD
- ADL
3 stops33h 10m
Air Canada
Mon 8/36:55 pm
ADL
- ORD
2 stops34h 16m
Air Canada
Deal found 3/27![Air Canada logo]()
$1,169
This Priceline deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:01 pm
ORD
- ADL
3 stops32h 19m
Air Canada
Mon 5/188:00 pm
ADL
- ORD
3 stops51h 35m
Air Canada
Deal found 3/27![Air Canada logo]()
$1,176
This KLM deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:20 pm
ORD
- SYD
2 stops45h 50m
KLM
Mon 6/810:10 am
SYD
- ORD
3 stops43h 05m
KLM
Deal found 3/28![KLM logo]()
$2,780
This Emirates deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:35 pm
ORD
- SYD
2 stops42h 50m
Emirates
Fri 5/810:20 am
SYD
- ORD
2 stops44h 25m
Emirates
Deal found 3/25![Emirates logo]()
$2,797
This Cheapflightsfares deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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.
Wed 5/2010:30 am
ORD
- MEL
1 stop29h 15m
Qantas Airways
Sun 5/319:45 am
MEL
- ORD
1 stop23h 12m
Qantas Airways
Deal found 3/23![Qantas Airways logo]()
$1,480
This Air Canada deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:40 pm
ORD
- ADL
2 stops29h 00m
Multiple Airlines
Fri 5/155:15 pm
ADL
- ORD
3 stops40h 40m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$1,356
This Air Canada deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:15 pm
ORD
- ADL
3 stops35h 10m
Air Canada
Tue 5/128:00 pm
ADL
- ORD
2 stops33h 15m
Air Canada
Deal found 3/23![Air Canada logo]()
$1,244
This Asiana Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:00 am
ORD
- SYD
2 stops34h 30m
Asiana Airlines
Sun 7/269:00 pm
SYD
- ORD
2 stops35h 04m
Asiana Airlines
Deal found 3/23![Asiana Airlines logo]()
$3,121
This United Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 6/304:45 pm
ORD
- MEL
2 stops24h 30m
United Airlines
Thu 7/3010:55 am
MEL
- ORD
1 stop22h 40m
United Airlines
Deal found 3/24![United Airlines logo]()
$1,605
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:00 pm
ORD
- SYD
2 stops22h 50m
Delta
Sat 8/299:15 am
SYD
- ORD
2 stops24h 24m
Delta
Deal found 3/26![Delta logo]()
$1,612
This FlightHub deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 5/58:46 am
ORD
- AVV
2 stops38h 24m
Multiple Airlines
Tue 5/128:40 pm
AVV
- ORD
2 stops33h 05m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$1,359
This Air Canada deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:01 pm
ORD
- ADL
3 stops32h 19m
Air Canada
Sun 5/106:55 pm
ADL
- ORD
2 stops39h 50m
Air Canada
Deal found 3/27![Air Canada logo]()
$1,269
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/19:50 pm
ORD
- BNE
2 stops41h 40m
United Airlines
Sun 8/910:30 am
BNE
- ORD
2 stops23h 16m
United Airlines
Deal found 3/26![United Airlines logo]()
$1,610
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:59 pm
ORD
- MEL
2 stops44h 51m
Delta
Sun 9/1310:00 am
MEL
- ORD
1 stop22h 30m
Delta
Deal found 3/25![Delta logo]()
$1,630
This Qantas Airways deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:50 am
ORD
- MEL
1 stop30h 55m
Qantas Airways
Mon 9/141:35 pm
MEL
- ORD
1 stop21h 58m
Qantas Airways
Deal found 3/25![Qantas Airways logo]()
$1,641
This Priceline deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:15 pm
ORD
- ADL
3 stops33h 10m
Air Canada
Tue 5/128:00 pm
ADL
- ORD
3 stops37h 55m
Air Canada
Deal found 3/25![Air Canada logo]()
$1,289
This KAYAK deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/303:40 pm
ORD
- AVV
2 stops31h 30m
Multiple Airlines
Sun 9/138:40 pm
AVV
- ORD
2 stops33h 08m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$1,418
This oojo deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:20 pm
ORD
- PER
1 stop34h 15m
Qatar Airways
Thu 5/2810:45 pm
PER
- ORD
1 stop29h 20m
Qatar Airways
Deal found 3/28![Qatar Airways logo]()
$1,922
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/313:26 pm
ORD
- BNE
1 stop24h 04m
United Airlines
Sun 8/910:30 am
BNE
- ORD
1 stop19h 20m
United Airlines
Deal found 3/26![United Airlines logo]()
$1,680
Last-minute flights from O'Hare Intl to AustraliaDiscover last-minute flight deals from O'Hare Intl to Australia. Data last updated March 29, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Australia. Data last updated March 29, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:20 am
ORD
- SYD
3 stops49h 50m
Multiple Airlines
Thu 5/141:15 pm
SYD
- ORD
3 stops48h 58m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$1,106
This Mytrip deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:00 pm
ORD
- SYD
2 stops31h 05m
Multiple Airlines
Tue 5/51:15 pm
SYD
- ORD
2 stops23h 49m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$1,192
This Trip.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:30 am
ORD
- SYD
2 stops37h 20m
Multiple Airlines
Tue 4/281:15 pm
SYD
- ORD
2 stops25h 12m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$971
This Trip.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/227:30 am
ORD
- SYD
1 stop32h 35m
Multiple Airlines
Wed 4/299:10 am
SYD
- ORD
1 stop29h 17m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$1,134
This Air Canada deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/223:40 pm
ORD
- SYD
1 stop24h 40m
Air Canada
Wed 4/299:20 am
SYD
- ORD
1 stop20h 25m
Air Canada
Deal found 3/25![Air Canada logo]()
$1,188
This Trip.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:00 pm
ORD
- SYD
2 stops30h 50m
Multiple Airlines
Sun 5/31:15 pm
SYD
- ORD
2 stops31h 20m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$1,071
This Mytrip deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:00 pm
ORD
- MEL
2 stops31h 00m
Multiple Airlines
Thu 4/301:30 pm
MEL
- ORD
2 stops31h 05m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$1,226
This Air Canada deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2612:50 pm
ORD
- SYD
2 stops27h 30m
Air Canada
Sun 5/109:20 am
SYD
- ORD
1 stop20h 25m
Air Canada
Deal found 3/26![Air Canada logo]()
$1,191
This Justfly.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:40 pm
ORD
- MEL
2 stops31h 30m
Multiple Airlines
Mon 5/46:00 am
MEL
- ORD
2 stops29h 15m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$1,236
This FlightHub deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:40 pm
ORD
- MEL
2 stops28h 40m
Multiple Airlines
Mon 5/118:30 pm
MEL
- ORD
2 stops33h 15m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$1,237
This Orbitz deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:40 pm
ORD
- SYD
1 stop24h 40m
Air Canada
Wed 5/139:20 am
SYD
- ORD
1 stop20h 25m
Air Canada
Deal found 3/26![Air Canada logo]()
$1,187
This FlightHub deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:40 pm
ORD
- MEL
2 stops28h 55m
Air Canada
Sun 5/318:45 pm
MEL
- ORD
2 stops33h 00m
Air Canada
Deal found 3/28![Air Canada logo]()
$1,243
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 March 29, 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 March 29, 2026.
This Trip.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/309:30 am
ORD
- CNS
2 stops35h 10m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 5/98:56 pm
ORD
- SYD
2 stops47h 54m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/168:56 pm
ORD
- SYD
2 stops47h 54m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$460
This Kiwi.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 5/23:00 pm
ORD
- SYD
2 stops29h 50m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$470
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:40 pm
ORD
- BNE
2 stops31h 00m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$478
This Trip.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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.
Thu 5/75:15 am
ORD
- MEL
2 stops39h 45m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$481
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:03 pm
ORD
- SYD
2 stops28h 47m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$487
This Kiwi.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/253:23 pm
ORD
- SYD
2 stops29h 27m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$492
This Kiwi.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:00 pm
ORD
- SYD
2 stops41h 10m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 5/45:15 am
ORD
- SYD
2 stops39h 50m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$496
This Kiwi.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/242:30 pm
ORD
- SYD
2 stops30h 20m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$499
This Kiwi.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 6/63:00 pm
ORD
- BNE
2 stops28h 40m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$500
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 March 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $874 (Trip.com) |
One-way from | $442 (Trip.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,387 |
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 March 29, 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
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Mon 5/11
2:15 pm-1:55 pm
3 stops33h 10m
Adelaide
Mon 5/18
5:15 pm-8:15 pm
2 stops41h 30m
$1,015
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Tue 5/12
3:40 pm-11:10 am
2 stops29h 00m
Adelaide
Tue 5/19
5:15 pm-2:45 pm
2 stops36h 00m
$1,141
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Sun 5/10
3:40 pm-11:50 am
2 stops29h 40m
Adelaide
Sun 5/17
7:00 pm-2:45 pm
2 stops34h 15m
$1,160
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Tue 6/9
2:15 pm-1:55 pm
3 stops33h 10m
Adelaide
Mon 8/3
6:55 pm-2:41 pm
2 stops34h 16m
$1,169
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Mon 5/11
1:01 pm-11:50 am
3 stops32h 19m
Adelaide
Mon 5/18
8:00 pm-9:05 am
3 stops51h 35m
$1,176
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Fri 5/8
2:15 pm-3:55 pm
3 stops35h 10m
Adelaide
Tue 5/12
8:00 pm-2:45 pm
2 stops33h 15m
$1,244
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Wed 5/6
1:01 pm-11:50 am
3 stops32h 19m
Adelaide
Sun 5/10
6:55 pm-8:15 pm
2 stops39h 50m
$1,269
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Tue 5/5
2:15 pm-1:55 pm
3 stops33h 10m
Adelaide
Tue 5/12
8:00 pm-7:25 pm
3 stops37h 55m
$1,289
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Sat 5/9
12:30 pm-9:25 am
2 stops30h 25m
Adelaide
Sat 5/16
5:10 pm-7:57 pm
2 stops41h 17m
$1,331
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Fri 5/8
3:40 pm-11:10 am
2 stops29h 00m
Adelaide
Fri 5/15
5:15 pm-7:25 pm
3 stops40h 40m
$1,356
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-MEL
ORD-CNS
ORD-BNE
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-SYD
ORD-MEL
ORD-CNS
ORD-BNE
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Australia?
Currently, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Australia (average of $198). Flying from Chicago O'Hare Intl Airport to Australia in February is currently the most expensive (average of $870). 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 March 29, 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.
Comfort
8.0
Overall
8.0
Food
7.4
Entertainment
7.4
Crew
8.5
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
8.0
Overall
8.0
Food
7.4
Entertainment
7.4
Crew
8.5
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
8.0
Overall
8.0
Food
7.4
Entertainment
7.4
Crew
8.5
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
8.0
Overall
8.0
Food
7.4
Entertainment
7.4
Crew
8.5
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
8.0
Overall
8.0
Food
7.4
Entertainment
7.4
Crew
8.5
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
8.0
Overall
8.0
Food
7.4
Entertainment
7.4
Crew
8.5
Boarding
8.2
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 March 29, 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 March 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$198 | Average$1,487 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$712 | Average$1,169 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$716 | Average$1,303 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$836 | Average$1,705 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$870 | Average$1,656 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,177 | Average$1,259 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,217 | Average$1,489 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$1,263 | Average$1,762 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,470 | Average$1,835 | FlexibilityNo cancel fee | On-time72% |