$428+ Cheap flights from Illinois 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
Jan 18 — Jan 251
1 adult, Economy
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1. Tell us where you want to go
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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 Illinois to Australia
Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Australia (AU0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 13, 2025.
Round-trip from | $802 (Cheapflightsfares) |
|---|---|
One-way from | $428 (Kiwi.com) |
Find flight deals from Illinois to Australia
Cheapest flights from Illinois to AustraliaExplore the most affordable flight options available from Illinois to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 13, 2025.
Explore the most affordable flight options available from Illinois to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 13, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 1/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/152:13 pmORD - BNE
1 stop23h 47mQantas Airways
Sat 3/228:05 amBNE - ORD
1 stop21h 03mQantas Airways
Deal found 1/12![Qantas Airways logo]()
$802
This Qantas Airways deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/262:13 pmORD - BNE
1 stop22h 47mMultiple Airlines
Wed 3/510:00 pmBNE - ORD
1 stop24h 14mMultiple Airlines
Deal found 1/12![Multiple Airlines logo]()
$828
This American Airlines deal was found by Cheapflights users on 1/13. 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.
Tue 7/223:10 pmORD - SYD
1 stop23h 55mAmerican Airlines
Fri 8/110:25 amSYD - ORD
1 stop24h 49mAmerican Airlines
Deal found 1/13![American Airlines logo]()
$848
This Gurufare deal was found by Cheapflights users on 1/12. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/23:17 pmORD - SYD
1 stop23h 08mQantas Airways
Sat 3/155:25 pmSYD - ORD
1 stop22h 34mQantas Airways
Deal found 1/12![Qantas Airways logo]()
$850
This flugladen.de deal was found by Cheapflights users on 1/12. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2612:25 pmORD - SYD
2 stops27h 35mMultiple Airlines
Wed 3/55:25 pmSYD - ORD
1 stop28h 35mMultiple Airlines
Deal found 1/12![Multiple Airlines logo]()
$861
This Gurufare deal was found by Cheapflights users on 1/12. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/129:05 pmORD - SYD
2 stops31h 10mANA
Tue 8/2611:50 amSYD - ORD
2 stops32h 13mANA
Deal found 1/12![ANA logo]()
$957
This Justfly.com deal was found by Cheapflights users on 1/11. 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 2/88:27 amSTL - BNE
2 stops32h 13mAir Canada
Sat 2/1510:45 amBNE - STL
2 stops44h 21mAir Canada
Deal found 1/11![Air Canada logo]()
$978
This Ovago deal was found by Cheapflights users on 1/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/295:30 pmORD - ADL
2 stops28h 15mQantas Airways
Mon 5/56:00 amADL - ORD
2 stops24h 15mQantas Airways
Deal found 1/11![Qantas Airways logo]()
$1,018
This American Airlines deal was found by Cheapflights users on 1/13. 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.
Tue 7/14:00 pmORD - ADL
2 stops26h 55mAmerican Airlines
Sun 7/2712:55 pmADL - ORD
2 stops25h 53mAmerican Airlines
Deal found 1/13![American Airlines logo]()
$1,021
This United Airlines deal was found by Cheapflights users on 1/12. 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 2/279:00 amSTL - BNE
1 stop30h 30mUnited Airlines
Thu 3/611:40 amBNE - STL
1 stop22h 13mUnited Airlines
Deal found 1/12![United Airlines logo]()
$1,022
This CheapTickets.ch deal was found by Cheapflights users on 1/13. 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 CheapTickets.ch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/275:40 pmORD - ADL
2 stops27h 10mBritish Airways
Thu 3/67:55 amADL - ORD
2 stops24h 23mBritish Airways
Deal found 1/13![British Airways logo]()
$1,068
This Gurufare deal was found by Cheapflights users on 1/12. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/36:15 amSTL - SYD
2 stops46h 00mANA
Tue 5/1311:50 amSYD - STL
2 stops41h 44mANA
Deal found 1/12![ANA logo]()
$1,077
Find flights from Illinois to Australia within your budget
Customize your flight search to find flights from Illinois 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 January 13, 2025.
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Route
Depart
Return
Price
ChicagoBrisbane
ORD - BNE
ORDBNE
Chicago O'Hare Intl
Sat 3/15
2:13 pm-5:00 am
1 stop23h 47m
Brisbane
Sat 3/22
8:05 am-2:08 pm
1 stop21h 03m
$802
ChicagoBrisbane
ORD - BNE
ORDBNE
Chicago O'Hare Intl
Wed 2/26
2:13 pm-5:00 am
1 stop22h 47m
Brisbane
Wed 3/5
10:00 pm-6:14 am
1 stop24h 14m
$828
ChicagoSydney
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Sun 3/2
3:17 pm-7:25 am
1 stop23h 08m
Sydney Kingsford Smith
Sat 3/15
5:25 pm-11:59 pm
1 stop22h 34m
$850
ChicagoSydney
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Thu 2/27
3:19 pm-9:00 am
2 stops24h 41m
Sydney Kingsford Smith
Thu 3/6
11:50 am-2:01 pm
1 stop19h 11m
$854
ChicagoSydney
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Fri 2/28
3:17 pm-7:25 am
1 stop23h 08m
Sydney Kingsford Smith
Tue 3/18
11:50 am-3:13 pm
1 stop19h 23m
$881
ChicagoSydney
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Mon 5/5
7:46 pm-7:15 pm
2 stops32h 29m
Sydney Kingsford Smith
Sun 5/18
8:55 pm-4:59 am
2 stops47h 04m
$957
St. LouisBrisbane
STL - BNE
STLBNE
Lambert-St Louis
Sat 2/8
8:27 am-8:40 am
2 stops32h 13m
Brisbane
Sat 2/15
10:45 am-3:06 pm
2 stops44h 21m
$978
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Tue 4/29
5:30 pm-12:15 pm
2 stops28h 15m
Adelaide
Mon 5/5
6:00 am-3:45 pm
2 stops24h 15m
$1,018
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Tue 7/1
4:00 pm-9:25 am
2 stops26h 55m
Adelaide
Sun 7/27
12:55 pm-12:18 am
2 stops25h 53m
$1,021
St. LouisBrisbane
STL - BNE
STLBNE
Lambert-St Louis
Thu 2/27