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Cheap flights from Australia to Chicago from $687

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — CHI
3 Sep — 10 Sep1
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 4 August 2026.

Tue 8/906:15
SYD
-
ORD
2 stops39h 02m
Multiple Airlines
Tue 22/906:20
ORD
-
SYD
3 stops49h 05m
Multiple Airlines
Deal found 30/7$1,167
Mon 16/1108:10
MEL
-
ORD
2 stops23h 27m
Air Canada
Sun 22/1115:30
ORD
-
MEL
2 stops30h 45m
Air Canada
Deal found 2/8$1,308
Mon 14/910:00
BNE
-
ORD
2 stops25h 12m
Air Canada
Mon 21/911:05
ORD
-
BNE
2 stops29h 00m
Air Canada
Deal found 31/7$1,312
Thu 27/810:15
BNE
-
ORD
1 stop19h 21m
Air Canada
Wed 9/908:45
ORD
-
BNE
2 stops31h 20m
Air Canada
Deal found 31/7$1,314
Wed 2/920:40
MEL
-
ORD
2 stops32h 56m
Air Canada
Tue 15/915:40
ORD
-
MEL
2 stops28h 55m
Air Canada
Deal found 1/8$1,315
Tue 8/909:20
SYD
-
ORD
1 stop20h 23m
Air Canada
Tue 22/915:40
ORD
-
SYD
1 stop24h 40m
Air Canada
Deal found 31/7$1,315
Mon 16/1108:10
MEL
-
ORD
2 stops23h 27m
Air Canada
Mon 23/1115:30
ORD
-
MEL
2 stops30h 05m
Air Canada
Deal found 2/8$1,316
Tue 15/910:15
BNE
-
ORD
1 stop19h 28m
Air Canada
Tue 22/908:45
ORD
-
BNE
2 stops31h 20m
Air Canada
Deal found 1/8$1,324
Mon 30/1111:20
SYD
-
ORD
2 stops37h 30m
Air Canada
Mon 8/209:00
ORD
-
SYD
2 stops31h 35m
Air Canada
Deal found 31/7$1,328
Tue 25/809:45
MEL
-
ORD
1 stop21h 09m
Qantas Airways
Fri 18/915:20
ORD
-
MEL
1 stop24h 25m
Qantas Airways
Deal found 29/7$1,364
Mon 3/810:55
MEL
-
ORD
1 stop27h 04m
United Airlines
Sun 16/816:20
ORD
-
MEL
1 stop24h 55m
United Airlines
Deal found 1/8$1,372
Sun 30/810:55
MEL
-
ORD
2 stops26h 51m
United Airlines
Sun 6/907:40
ORD
-
MEL
1 stop33h 35m
United Airlines
Deal found 2/8$1,376

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 4 August 2026.

Round-trip from

$1,167

One-way from

$687

Popular in

May

Cheapest in

October

Average price

$1,613
8/9-22/9
  • 8/9-22/9
  • 5 total stops
  • 88h 07m total
  • Australia to Chicago
Search Deals
8/10
  • 8/10
  • 3 total stops
  • 37h 42m total
  • Australia to Chicago
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($207 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 August 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 4 August 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

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 30/11

11:20-16:50

2 stops46h 30m

Chicago O'Hare Intl

Mon 8/2

07:05-09:35

3 stops33h 30m

$1,346

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 8/9

09:20-14:43

1 stop20h 23m

Chicago O'Hare Intl

Tue 22/9

15:40-07:20

1 stop24h 40m

$1,361

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Tue 25/8

09:45-15:54

1 stop21h 09m

Chicago O'Hare Intl

Fri 18/9

15:20-06:45

1 stop24h 25m

$1,364

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Sun 30/8

09:30-04:45

1 stop34h 15m

Chicago O'Hare Intl

Sun 6/9

22:00-08:15

1 stop43h 15m

$1,376

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Mon 31/8

10:55-05:04

1 stop33h 09m

Chicago O'Hare Intl

Sun 6/9

22:00-08:15

1 stop43h 15m

$1,376

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 14/9

09:20-14:43

1 stop20h 23m

Chicago O'Hare Intl

Mon 21/9

14:15-07:20

2 stops26h 05m

$1,388

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 5/11

10:45-20:01

1 stop25h 16m

Chicago O'Hare Intl

Sat 7/11

15:45-08:45

2 stops49h 00m

$1,393

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Thu 8/10

07:00-14:43

2 stops23h 43m

Chicago O'Hare Intl

Wed 14/10

19:45-18:55

2 stops31h 10m

$1,406

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Mon 2/11

07:10-14:37

2 stops24h 27m

Chicago O'Hare Intl

Fri 20/11

15:30-14:00

2 stops29h 30m

$1,462

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 16/9

20:00-14:43

2 stops33h 13m

Chicago O'Hare Intl

Wed 23/9

19:48-12:50

2 stops26h 32m

$1,513

Flights are sorted by cheapest return flights first.

Deals found on 1/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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, May is the cheapest month in which you can book a flight from Australia to Chicago (average of $1,606). Flying from Australia to Chicago in December is currently the most expensive (average of $1,995). 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 4 August 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
657 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.4

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
657 reviews
Air New Zealand
8.0
Very Good
657 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.4

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
1,077 reviews
Air New Zealand
8.0
Very Good
657 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.4

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
10,059 reviews
Air New Zealand
8.0
Very Good
657 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.4

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
11,846 reviews
Air New Zealand
8.0
Very Good
657 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.4

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
11,425 reviews
Air New Zealand
8.0
Very Good
657 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.4

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 Air Canada, Qantas Airways, and United Airlines fly from Australia to Chicago in about 21h 09m. The time it takes to get you to your destination can typically vary by up to 25h 21m. 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, May is the cheapest month in which you can book a flight from Australia to Chicago (average of $1,606). Flying from Australia to Chicago in December is currently the most expensive (average of $1,995). 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 4 August 2026.
Air Canada flights from Australia to Chicago
Air New Zealand flights from Australia to Chicago

Top 8 airlines flying from Australia to Chicago

Discover the top 8 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 4 August 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$596Average$1,613FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$1,080Average$1,679FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,252Average$1,921FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,259Average$1,941FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,341Average$1,544FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Japan AirlinesCheapest$1,391Average$2,841FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Cathay PacificCheapest$1,697Average$1,987FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Virgin AustraliaCheapest$2,166Average$2,194FlexibilityNo 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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