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$408+ Cheap flights from Australia to Illinois

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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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Cheap flight deals from Australia to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Australia (AU0) to Illinois (USIL). 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 December 22, 2024.

Round-trip from

$910
(Aunt Betty)

One-way from

$408
(Trip.com)
From Australia to Illinois
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One-way flight from Australia to Illinois
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Find flight deals from Australia to Illinois

Cheapest flights from Australia to Illinois
Explore the most affordable flight options available from Australia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

This Air Canada deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” 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 12/3111:20 amSYD - ORD
2 stops25h 12mAir Canada
Tue 1/287:20 amORD - SYD
2 stops33h 15mAir Canada
Deal found 12/20$1,507
This United Airlines deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” 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 12/241:00 pmMEL - ORD
1 stop21h 09mUnited Airlines
Sun 1/51:02 pmORD - MEL
2 stops27h 28mUnited Airlines
Deal found 12/20$1,547
This United Airlines deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” 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 12/2411:20 amSYD - ORD
1 stop24h 35mUnited Airlines
Wed 1/89:00 amORD - SYD
2 stops28h 20mUnited Airlines
Deal found 12/20$1,561
This Air Tahiti Nui deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” 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 12/317:05 amSYD - ORD
3 stops29h 39mAir Tahiti Nui
Fri 1/245:40 pmORD - SYD
3 stops31h 00mAir Tahiti Nui
Deal found 12/20$1,686
This Expedia deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” 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.
Tue 12/246:30 amMEL - ORD
2 stops25h 09mMultiple Airlines
Sun 1/53:40 pmORD - MEL
2 stops33h 05mMultiple Airlines
Deal found 12/20$1,729
This Virgin Australia deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Australia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2411:30 amMEL - ORD
1 stop20h 08mVirgin Australia
Sun 1/56:20 pmORD - MEL
1 stop22h 40mVirgin Australia
Deal found 12/20$1,753
This Virgin Australia deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Australia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/244:15 pmSYD - ORD
1 stop30h 39mVirgin Australia
Sun 1/196:22 pmORD - SYD
1 stop21h 53mVirgin Australia
Deal found 12/20$1,769
This StudentUniverse deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/234:50 pmADL - ORD
2 stops38h 18mVirgin Australia
Mon 12/303:35 pmORD - ADL
2 stops32h 05mVirgin Australia
Deal found 12/21$1,845
This Bravofly deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” 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.
Mon 12/238:45 amSYD - ORD
1 stop45h 15mMultiple Airlines
Sat 1/47:14 pmORD - SYD
1 stop20h 46mMultiple Airlines
Deal found 12/19$1,891
This Virgin Australia deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Australia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/235:05 pmBNE - ORD
2 stops37h 33mVirgin Australia
Sun 12/2910:00 pmORD - BNE
1 stop41h 30mVirgin Australia
Deal found 12/21$1,935
This Cathay Pacific deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2312:10 pmBNE - ORD
1 stop40h 50mCathay Pacific
Sun 12/292:40 pmORD - BNE
1 stop27h 15mCathay Pacific
Deal found 12/21$2,050
This oojo deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” 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 12/2312:45 amMEL - ORD
1 stop29h 15mCathay Pacific
Sun 1/52:40 pmORD - MEL
1 stop28h 50mCathay Pacific
Deal found 12/21$2,057

Find flights from Australia to Illinois within your budget

Customize your flight search to find flights from Australia to Illinois 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 December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CoolangattaChicago

OOL - ORD

OOLORD

Coolangatta Gold Coast

Mon 2/3

6:00 am-3:59 pm

2 stops25h 59m

Chicago O'Hare Intl

Mon 2/10

2:14 pm-10:10 am

2 stops27h 56m

$910

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 2/10

2:00 pm-11:13 pm

2 stops26h 13m

Chicago O'Hare Intl

Thu 2/20

11:30 am-1:00 pm

2 stops32h 30m

$914

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 2/4

11:20 am-4:38 pm

1 stop22h 18m

Chicago O'Hare Intl

Wed 3/5

7:20 am-9:35 am

2 stops33h 15m

$991

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sun 6/1

12:55 pm-11:28 pm

2 stops25h 03m

Chicago O'Hare Intl

Wed 6/11

6:25 pm-10:20 am

2 stops25h 25m

$1,003

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 5/30

5:35 pm-11:28 pm

1 stop20h 53m

Chicago O'Hare Intl

Tue 6/3

3:00 pm-6:35 am

1 stop24h 35m

$1,046

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 5/12

9:20 am-3:16 pm

2 stops44h 56m

Lambert-St Louis

Sat 5/31

1:30 pm-7:20 am

2 stops50h 50m

$1,047

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Thu 2/20

6:35 pm-11:57 pm

2 stops46h 22m

Chicago O'Hare Intl

Sat 3/15

7:30 pm-7:35 am

1 stop44h 05m

$1,125

PerthChicago

PER - ORD

PERORD

Perth

Tue 2/4

12:25 pm-7:35 am

2 stops33h 10m

Chicago O'Hare Intl

Tue 2/11

10:35 am-10:45 pm

2 stops46h 10m

$1,131

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Tue 2/4

1:40 pm-5:55 am

3 stops33h 15m

Chicago O'Hare Intl

Tue 2/11

9:00 am-4:20 pm

2 stops38h 20m

$1,132

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 2/12

8:00 am-10:13 pm

3 stops31h 13m

Chicago O'Hare Intl

Wed 2/19

3:40 pm-3:45 pm

2 stops31h 05m

$1,154

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 60 results
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2
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Best time to book a flight from Australia to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Australia with our price prediction graph.
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.

Travel insights for flights from Australia to Illinois

Get recent, data-driven insights about flights from Australia to Illinois including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Australia to Illinois?

Currently, August is the cheapest month in which you can book a flight from Australia to Illinois (average of $245). Flying from Australia to Illinois in March is currently the most expensive (average of $317). 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.

What is the cheapest time of day to fly from AU to IL?

Find hourly flight availability from Australia to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2024.

When flying from Australia to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated December 22, 2024.
Read through reviews of airlines operating flights from Australia to Illinois, such as Qantas Airways, Air Canada and Korean Air. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
63 reviews

Overall

8.7

Crew

9.0

Comfort

8.0

Food

7.7

Boarding

8.6

Entertainment

7.2

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air Tahiti Nui
8.7
Very good
63 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Overall

8.7

Crew

9.0

Comfort

8.0

Food

7.7

Boarding

8.6

Entertainment

7.2

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

ANA
8.4
Very good
844 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Overall

8.7

Crew

9.0

Comfort

8.0

Food

7.7

Boarding

8.6

Entertainment

7.2

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Korean Air
8.4
Very good
1,025 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Overall

8.7

Crew

9.0

Comfort

8.0

Food

7.7

Boarding

8.6

Entertainment

7.2

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Japan Airlines
8.3
Very good
1,440 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Overall

8.7

Crew

9.0

Comfort

8.0

Food

7.7

Boarding

8.6

Entertainment

7.2

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Emirates
8.1
Very good
3,398 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Overall

8.7

Crew

9.0

Comfort

8.0

Food

7.7

Boarding

8.6

Entertainment

7.2

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Related info for your journey

Find useful and relevant information for your journey from Australia to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Australia to Illinois one-way?

    One-way options have recently been found by users for as low as $443 on Qantas Airways. Other airlines that offer cheap prices include Cathay Pacific from $719 and Air Canada from $789 one-way.

  • Can I find deals for flights from Australia to Illinois that include hotel bookings?

    Yes. In addition to deals on Australia to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Australia to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Illinois.

  • Can I find deals for business class flights from Australia to Illinois?

    Yes. Cheapflights offers flight deals from Australia to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Australia to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Australia to Illinois (average of $245). Flying from Australia to Illinois in March is currently the most expensive (average of $317). 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.

See more FAQs

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Alternative routes for Australia to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Australia to Illinois

Discover the top 2 airlines that operate flights from Australia to Illinois. 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 December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$851Average$1,263FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$964Average$1,629FlexibilityNo cancel feeOn-time69%
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