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$463+ Cheap flights from Chicago (CHI) 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SYD
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Chicago to Australia

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 November 21, 2024.

Find flight deals from Chicago to Australia

Cheapest flights from Chicago to Australia
Explore the most affordable flight options available from Chicago to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/319:50 amORD - BNE
1 stop27h 10mAmerican Airlines
Sat 5/1710:00 pmBNE - ORD
1 stop22h 05mAmerican Airlines
Deal found 11/19$680
This Ovago deal was found by Cheapflights users on 11/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/28:40 amORD - SYD
1 stop31h 20mQantas Airways
Fri 12/611:15 amSYD - ORD
1 stop25h 20mQantas Airways
Deal found 11/21$893
This Flysmarter 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/63:23 pmORD - SYD
1 stop24h 37mBritish Airways
Sun 12/228:35 pmSYD - ORD
2 stops25h 37mBritish Airways
Deal found 11/20$920
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.
Mon 12/309:50 amORD - SYD
1 stop28h 35mAmerican Airlines
Sun 1/195:25 pmSYD - ORD
1 stop29h 40mAmerican Airlines
Deal found 11/20$933
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.
Sun 11/245:00 pmORD - SYD
1 stop21h 25mMultiple Airlines
Tue 11/2611:15 amSYD - ORD
1 stop23h 05mMultiple Airlines
Deal found 11/20$952
This Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/14:04 pmORD - BNE
1 stop22h 11mMultiple Airlines
Sun 12/810:00 pmBNE - ORD
1 stop23h 12mMultiple Airlines
Deal found 11/19$982
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/25:00 pmORD - BNE
2 stops26h 35mQantas Airways
Tue 12/175:00 amBNE - ORD
2 stops26h 25mQantas Airways
Deal found 11/20$1,111
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/247:00 pmORD - AVV
2 stops26h 10mMultiple Airlines
Tue 11/268:55 pmAVV - ORD
2 stops35h 57mMultiple Airlines
Deal found 11/20$1,184
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/101:11 pmORD - MEL
1 stop23h 29mQantas Airways
Wed 1/158:00 amMEL - ORD
2 stops28h 31mQantas Airways
Deal found 11/20$1,215
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 12/117:33 amORD - MEL
3 stops35h 42mMultiple Airlines
Wed 1/151:45 pmMEL - ORD
3 stops32h 45mMultiple Airlines
Deal found 11/20$1,263
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/67:20 pmORD - PER
2 stops36h 20mQantas Airways
Fri 12/131:20 pmPER - ORD
2 stops40h 05mQantas Airways
Deal found 11/20$1,345
This Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/73:27 pmORD - PER
2 stops28h 43mMultiple Airlines
Sat 12/148:00 amPER - ORD
2 stops29h 59mMultiple Airlines
Deal found 11/19$1,375

Find flights from Chicago to Australia within your budget

Customize your flight search to find flights from Chicago 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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Sat 3/15

12:08 pm-5:00 am

1 stop25h 52m

Brisbane

Sun 3/23

10:00 pm-5:04 am

1 stop22h 04m

$680

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 2/6

2:14 pm-7:25 am

1 stop24h 11m

Sydney Kingsford Smith

Thu 2/27

9:25 pm-5:42 am

1 stop25h 17m

$893

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 12/1

5:00 pm-9:00 am

1 stop23h 00m

Sydney Kingsford Smith

Tue 12/10

5:25 pm-11:59 pm

1 stop23h 34m

$896

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Fri 12/6

3:23 pm-9:00 am

1 stop24h 37m

Sydney Kingsford Smith

Sun 12/22

8:35 pm-5:12 am

2 stops25h 37m

$920

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sat 2/15

4:20 pm-7:25 am

1 stop22h 05m

Sydney Kingsford Smith

Wed 3/5

11:15 am-3:47 pm

1 stop21h 32m

$932

ChicagoCanberra

ORD - CBR

ORDCBR

Chicago O'Hare Intl

Sun 3/9

1:20 pm-10:30 am

2 stops29h 10m

Canberra

Sun 3/16

7:45 am-5:30 pm

2 stops25h 45m

$946

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Sun 3/9

6:45 pm-12:45 pm

2 stops27h 00m

Brisbane

Sat 3/22

8:05 am-12:30 pm

1 stop19h 25m

$948

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Sun 12/1

4:04 pm-6:15 am

1 stop22h 11m

Brisbane

Sun 12/8

10:00 pm-5:12 am

1 stop23h 12m

$982

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 1/28

2:14 pm-11:20 am

2 stops28h 36m

Adelaide

Tue 2/4

7:55 am-5:45 pm

2 stops26h 20m

$1,081

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 2/8

2:14 pm-12:00 pm

2 stops29h 46m

Cairns

Sun 6/15

2:35 pm-5:07 am

2 stops29h 32m

$1,090

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

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

Have a flexible travel schedule? Discover the best time to fly to Australia from Chicago 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 Chicago to Australia

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

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

Currently, February is the cheapest month in which you can book a flight from Chicago to Australia (average of $1,062). Flying from Chicago to Australia in December is currently the most expensive (average of $1,318). 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 CHI to AU?

Find hourly flight availability from Chicago to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

When flying from Chicago to Australia, 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 Australia by month

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

In terms of precipitation, rainfall in Australia ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Australia when rainfall is around 2.0 in.

Temperature in Australia by month

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

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 November 21, 2024.
Read through reviews of airlines operating flights from Chicago to Australia, such as Qantas Airways, ANA and Air Canada. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
68 reviews

Comfort

8.0

Food

7.7

Boarding

8.5

Crew

9.0

Overall

8.7

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
68 reviews
Air Tahiti Nui
8.7
Very good
68 reviews

Comfort

8.0

Food

7.7

Boarding

8.5

Crew

9.0

Overall

8.7

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
8.5
Very good
1,025 reviews
Air Tahiti Nui
8.7
Very good
68 reviews

Comfort

8.0

Food

7.7

Boarding

8.5

Crew

9.0

Overall

8.7

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
833 reviews
Air Tahiti Nui
8.7
Very good
68 reviews

Comfort

8.0

Food

7.7

Boarding

8.5

Crew

9.0

Overall

8.7

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

Comfort

8.0

Food

7.7

Boarding

8.5

Crew

9.0

Overall

8.7

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
3,485 reviews
Air Tahiti Nui
8.7
Very good
68 reviews

Comfort

8.0

Food

7.7

Boarding

8.5

Crew

9.0

Overall

8.7

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 Chicago to Australia. 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 Chicago to Australia one-way?

    The cheapest airlines for a one-way flight from Chicago to Australia are American Airlines ($463), Qantas Airways ($493), and ANA ($646).

  • What are the most popular routes from Chicago to Australia?

    While some choose either Chicago O'Hare Intl - Melbourne or Chicago Midway - Sydney Kingsford Smith, Chicago O'Hare Intl - Sydney Kingsford Smith is the most popular route from Chicago to Australia.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago to Australia 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 Chicago to Australia?

    Currently, February is the cheapest month in which you can book a flight from Chicago to Australia (average of $1,062). Flying from Chicago to Australia in December is currently the most expensive (average of $1,318). 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 Chicago to Australia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Chicago to Australia

Discover the top 9 airlines that operate flights from Chicago 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$388Average$1,112FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$618Average$1,585FlexibilityNo cancel feeOn-time74%
DeltaCheapest$853Average$984FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$916Average$1,612FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$959Average$1,403FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$1,138Average$1,364FlexibilityNo cancel feeOn-time72%
Air New ZealandCheapest$1,181Average$1,460FlexibilityNo cancel feeOn-time78%
Singapore AirlinesCheapest$1,598Average$1,706FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,700Average$1,747FlexibilityNo cancel feeOn-time68%
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