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Cheap flights from Australia to Chicago from $999

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — CHI
10 Aug — 17 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Australia to Chicago

Enter your travel dates to find the best prices.

Cheapest flights from Australia to Chicago
Explore the most affordable flight options available from Australia to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2026.

Wed 12/806:05
SYD
-
ORD
2 stops39h 12m
Multiple Airlines
Wed 19/809:20
ORD
-
SYD
3 stops35h 30m
Multiple Airlines
Deal found 10/7$1,290
Fri 17/709:45
MEL
-
ORD
1 stop28h 15m
Qantas Airways
Wed 12/821:06
ORD
-
MEL
1 stop42h 39m
Qantas Airways
Deal found 10/7$1,305
Mon 3/809:45
MEL
-
ORD
1 stop25h 23m
Qantas Airways
Sat 22/811:49
ORD
-
MEL
1 stop27h 56m
Qantas Airways
Deal found 9/7$1,313
Mon 3/809:45
MEL
-
ORD
1 stop23h 27m
Qantas Airways
Mon 17/815:54
ORD
-
MEL
1 stop22h 06m
Qantas Airways
Deal found 7/7$1,314
Fri 21/809:45
MEL
-
ORD
1 stop22h 06m
Qantas Airways
Fri 28/821:06
ORD
-
MEL
1 stop42h 39m
Qantas Airways
Deal found 7/7$1,324
Sat 15/809:45
MEL
-
ORD
1 stop22h 03m
Multiple Airlines
Fri 11/913:50
ORD
-
MEL
1 stop25h 55m
Multiple Airlines
Deal found 9/7$1,334
Tue 4/809:45
MEL
-
ORD
1 stop21h 14m
American Airlines
Tue 11/811:49
ORD
-
MEL
1 stop27h 56m
American Airlines
Deal found 9/7$1,336
Fri 17/709:45
MEL
-
ORD
2 stops28h 45m
American Airlines
Thu 30/715:15
ORD
-
MEL
2 stops24h 30m
American Airlines
Deal found 11/7$1,337
Sat 15/809:45
MEL
-
ORD
1 stop28h 15m
Qantas Airways
Fri 11/915:20
ORD
-
MEL
2 stops27h 10m
Qantas Airways
Deal found 9/7$1,360
Fri 14/809:30
MEL
-
ORD
2 stops24h 00m
United Airlines
Sat 29/816:20
ORD
-
MEL
2 stops24h 55m
United Airlines
Deal found 8/7$1,367
Mon 3/813:15
SYD
-
MDW
3 stops36h 52m
Multiple Airlines
Mon 10/811:06
MDW
-
SYD
3 stops44h 19m
Multiple Airlines
Deal found 7/7$1,380
Mon 27/706:15
SYD
-
ORD
2 stops39h 02m
Multiple Airlines
Tue 11/807:29
ORD
-
SYD
3 stops37h 21m
Multiple Airlines
Deal found 6/7$1,389

Find flight deals from Australia to Chicago

Keep the following information in mind while searching for Australia to Chicago flight deals. Data was last updated 11 July 2026.

Round-trip from

$1,290

One-way from

$999

Popular in

May

Cheapest in

October

Average price

$1,941
12/8-19/8
  • 12/8-19/8
  • 5 total stops
  • 74h 42m total
  • Australia to Chicago
Search Deals
18/8
  • 18/8
  • 1 total stop
  • 36h 07m total
  • Australia to Chicago
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($203 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Australia to Chicago 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 647,157 searches. Data last updated 11 July 2026.
Use the filters below to find and compare flights from Australia to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Fri 14/8

09:30-18:30

2 stops24h 00m

Chicago O'Hare Intl

Sat 29/8

16:20-08:15

2 stops24h 55m

$1,367
Fastest return journey

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 26/8

09:30-17:05

1 stop22h 35m

Chicago O'Hare Intl

Wed 2/9

16:26-07:30

2 stops24h 04m

$1,369

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Tue 4/8

10:55-21:39

2 stops25h 44m

Chicago O'Hare Intl

Tue 11/8

16:45-08:15

2 stops24h 30m

$1,370

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Sat 15/8

09:45-17:29

1 stop22h 44m

Chicago O'Hare Intl

Fri 11/9

17:13-09:30

2 stops25h 17m

$1,374

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Fri 24/7

09:30-23:16

1 stop28h 46m

Chicago O'Hare Intl

Sun 2/8

21:30-07:30

1 stop43h 00m

$1,406

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Sat 15/8

18:00-14:36

2 stops35h 36m

Chicago O'Hare Intl

Sat 12/9

15:56-08:15

2 stops25h 19m

$1,689

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Sun 9/8

09:30-20:40

1 stop26h 10m

Chicago O'Hare Intl

Sun 16/8

07:40-11:20

2 stops36h 40m

$1,721

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Mon 3/8

09:40-22:59

2 stops28h 19m

Chicago O'Hare Intl

Fri 14/8

14:35-11:05

2 stops29h 30m

$1,822

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 15/10

12:20-13:55

1 stop40h 35m

Chicago O'Hare Intl

Thu 5/11

14:35-06:35

2 stops48h 00m

$1,896

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 6/8

06:00-23:30

2 stops32h 30m

Chicago O'Hare Intl

Wed 19/8

17:16-10:30

2 stops26h 14m

$1,911

Flights are sorted by cheapest return flights first.

Deals found on 8/7

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
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6

Best time to book a flight from Australia to Chicago

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

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

Currently, October is the cheapest month in which you can book a flight from Australia to Chicago (average of $187). Flying from Australia to Chicago in January is currently the most expensive (average of $1,211). 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.

How far ahead should I book a flight from Australia to Chicago?

The best time to book flights from Australia to Chicago is 53 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated 11 July 2026.
Read through reviews of airlines operating flights from Australia to Chicago, such as Air New Zealand,Qantas Airways, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very Good
650 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.4

Food

7.4

Crew

8.5

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Air New Zealand
8.0
Very Good
650 reviews
Air New Zealand
8.0
Very Good
650 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.4

Food

7.4

Crew

8.5

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Qantas Airways
7.5
Good
1,061 reviews
Air New Zealand
8.0
Very Good
650 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.4

Food

7.4

Crew

8.5

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
United Airlines
7.4
Good
9,982 reviews
Air New Zealand
8.0
Very Good
650 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.4

Food

7.4

Crew

8.5

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
American Airlines
7.1
Good
11,804 reviews
Air New Zealand
8.0
Very Good
650 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.4

Food

7.4

Crew

8.5

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Air Canada
7.1
Good
11,328 reviews
Air New Zealand
8.0
Very Good
650 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.4

Food

7.4

Crew

8.5

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.

Related info for your journey

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

  • How long is the flight from Australia to Chicago?

    Airlines like United Airlines, Air New Zealand, and Cathay Pacific fly from Australia to Chicago in about 22h 35m. The time it takes to get you to your destination can typically vary by up to 18h. Airlines will cover a distance of 15546 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Most travellers choose Melbourne - Chicago O'Hare Intl, Sydney Kingsford Smith - Chicago O'Hare Intl or Brisbane - Chicago O'Hare Intl when deciding on the best route from Australia to Chicago.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Australia to Chicago (average of $187). Flying from Australia to Chicago in January is currently the most expensive (average of $1,211). 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

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.

Fly from Australia to Chicago on these airlines

Choose from the following airlines for your flight from Australia to Chicago. Flights are based on user searches made on Cheapflights and were last updated on 11 July 2026.
Air Canada flights from Australia to Chicago
Air New Zealand flights from Australia to Chicago

Top 9 airlines flying from Australia to Chicago

Discover the top 9 airlines that operate flights from Australia to Chicago. 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 647,157 searches. Data last updated 11 July 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$600Average$1,626FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Qantas AirwaysCheapest$1,043Average$2,113FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,089Average$1,714FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,104Average$1,581FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,262Average$1,919FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Japan AirlinesCheapest$1,402Average$2,863FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
ANACheapest$1,537Average$2,009FlexibilityNo cancel feeOn-time80%
Search ANA flights
Cathay PacificCheapest$1,710Average$2,003FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Virgin AustraliaCheapest$2,183Average$2,211FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Australia to Chicago?

Deals for Australia to Chicago flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Australia to Chicago?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Australia to Chicago for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Australia to Chicago with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Australia to Chicago flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Australia to Chicago become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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