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$540+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
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 November 20, 2024.

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 November 20, 2024.

This Gotogate deal was found by Cheapflights users on 11/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/219:45 pmSYD - ORD
2 stops48h 16mANA
Thu 11/284:25 pmORD - SYD
1 stop25h 05mANA
Deal found 11/19$1,167
This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/256:00 amSYD - ORD
3 stops40h 30mMultiple Airlines
Mon 1/68:52 amORD - SYD
2 stops34h 38mMultiple Airlines
Deal found 11/20$1,232
This BestPriceTravel deal was found by Cheapflights users on 11/19. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/411:15 amSYD - ORD
1 stop21h 37mQantas Airways
Sun 12/85:10 pmORD - SYD
1 stop22h 50mQantas Airways
Deal found 11/19$1,309
This American Airlines deal was found by Cheapflights users on 11/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2511:15 amSYD - ORD
1 stop23h 14mAmerican Airlines
Sun 1/52:58 pmORD - SYD
1 stop23h 27mAmerican Airlines
Deal found 11/20$1,321
This Mytrip deal was found by Cheapflights users on 11/18. 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.
Wed 12/41:45 pmMEL - ORD
3 stops32h 45mMultiple Airlines
Sat 12/77:33 amORD - MEL
3 stops35h 42mMultiple Airlines
Deal found 11/18$1,350
This lol.travel deal was found by Cheapflights users on 11/19. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/259:55 pmPER - ORD
1 stop29h 55mANA
Tue 12/104:25 pmORD - PER
1 stop38h 05mANA
Deal found 11/19$1,359
This Gotogate deal was found by Cheapflights users on 11/18. 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.
Tue 12/311:20 amSYD - ORD
2 stops22h 25mAir Canada
Thu 12/59:50 amORD - SYD
2 stops30h 45mAir Canada
Deal found 11/18$1,368
This Gotogate deal was found by Cheapflights users on 11/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2512:25 pmPER - ORD
2 stops33h 00mJapan Airlines
Tue 12/1010:20 amORD - PER
2 stops46h 25mJapan Airlines
Deal found 11/19$1,415
This American Airlines deal was found by Cheapflights users on 11/18. 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.
Wed 12/46:45 amMEL - ORD
2 stops23h 40mAmerican Airlines
Sat 12/79:49 amORD - MEL
1 stop30h 41mAmerican Airlines
Deal found 11/18$1,467
This BestPriceTravel deal was found by Cheapflights users on 11/18. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/107:50 pmBNE - ORD
2 stops44h 09mQantas Airways
Sun 12/153:23 pmORD - BNE
1 stop21h 37mQantas Airways
Deal found 11/18$1,529
This Qantas Airways deal was found by Cheapflights users on 11/20. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2710:00 pmBNE - ORD
1 stop23h 02mMultiple Airlines
Tue 12/103:40 pmORD - BNE
1 stop21h 20mMultiple Airlines
Deal found 11/20$1,541
This Gotogate deal was found by Cheapflights users on 11/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/213:35 pmMEL - ORD
1 stop38h 25mCathay Pacific
Sat 11/302:40 pmORD - MEL
2 stops34h 55mCathay Pacific
Deal found 11/20$1,559

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 2/12

12:00 pm-5:53 pm

2 stops22h 53m

Chicago O'Hare Intl

Tue 3/4

2:13 pm-7:35 am

1 stop24h 22m

$1,113

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 4/14

9:20 am-2:39 pm

1 stop20h 19m

Chicago O'Hare Intl

Thu 4/24

9:03 am-7:20 am

2 stops31h 17m

$1,124

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 5/12

9:30 am-4:35 pm

2 stops22h 05m

Lambert-St Louis

Sat 5/31

1:30 pm-6:55 am

2 stops26h 25m

$1,164

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 5/12

9:20 am-3:21 pm

2 stops45h 01m

Lambert-St Louis

Sat 5/31

1:25 pm-7:20 am

3 stops50h 55m

$1,178

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 12/4

9:45 pm-7:20 am

1 stop26h 35m

Chicago O'Hare Intl

Sun 12/8

7:15 am-10:30 am

2 stops34h 15m

$1,185

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Fri 5/9

7:10 pm-5:15 pm

2 stops36h 35m

Chicago O'Hare Intl

Wed 5/21

3:00 pm-10:20 am

2 stops28h 50m

$1,204

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Thu 2/20

12:00 pm-11:57 pm

2 stops28h 57m

Chicago O'Hare Intl

Thu 3/6

1:20 pm-10:05 am

2 stops27h 45m

$1,210

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Thu 2/20

8:00 am-2:39 pm

2 stops23h 39m

Chicago O'Hare Intl

Thu 3/6

11:04 am-2:35 pm

3 stops34h 31m

$1,232

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 12/25

6:00 am-5:30 am

3 stops40h 30m

Chicago O'Hare Intl

Mon 1/6

8:52 am-12:30 pm

2 stops34h 38m

$1,232

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Mon 1/13

9:40 am-9:14 pm

1 stop27h 34m

Chicago O'Hare Intl

Mon 1/27

1:16 pm-5:00 am

2 stops23h 44m

$1,254

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 60 results
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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, September is the cheapest month in which you can book a flight from Australia to Illinois (average of $232). Flying from Australia to Illinois in June is currently the most expensive (average of $308). 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 November 20, 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 November 20, 2024.
Read through reviews of airlines operating flights from Australia to Illinois, such as American Airlines, Air Canada and Qantas Airways. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
68 reviews

Comfort

8.0

Entertainment

7.2

Overall

8.7

Crew

9.0

Food

7.7

Boarding

8.5

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
68 reviews
Air Tahiti Nui
8.7
Very good
68 reviews

Comfort

8.0

Entertainment

7.2

Overall

8.7

Crew

9.0

Food

7.7

Boarding

8.5

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
8.5
Very good
1,024 reviews
Air Tahiti Nui
8.7
Very good
68 reviews

Comfort

8.0

Entertainment

7.2

Overall

8.7

Crew

9.0

Food

7.7

Boarding

8.5

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.

EVA Air
8.4
Very good
1,308 reviews
Air Tahiti Nui
8.7
Very good
68 reviews

Comfort

8.0

Entertainment

7.2

Overall

8.7

Crew

9.0

Food

7.7

Boarding

8.5

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
833 reviews
Air Tahiti Nui
8.7
Very good
68 reviews

Comfort

8.0

Entertainment

7.2

Overall

8.7

Crew

9.0

Food

7.7

Boarding

8.5

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
1,460 reviews
Air Tahiti Nui
8.7
Very good
68 reviews

Comfort

8.0

Entertainment

7.2

Overall

8.7

Crew

9.0

Food

7.7

Boarding

8.5

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 $540 on Qantas Airways. Other airlines that offer cheap prices include American Airlines from $549 and United Airlines from $738 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, September is the cheapest month in which you can book a flight from Australia to Illinois (average of $232). Flying from Australia to Illinois in June is currently the most expensive (average of $308). 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 3 airlines flying from Australia to Illinois

Discover the top 3 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$851Average$1,188FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$964Average$1,596FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$986Average$1,282FlexibilityNo cancel feeOn-time67%
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