How long does it take to fly to Chicago O'Hare Intl Airport?

On average, it takes 24h 55m to fly from Australia to Chicago O'Hare Intl Airport if you fly out of Sydney (the most popular airport in Australia) and into Chicago O'Hare Intl Airport (the most popular airport in Chicago O'Hare Intl Airport). If you’re flying out of Melbourne and into Chicago O'Hare Intl Airport, then the flight time is around 25h 10m.

What is the cheapest airline that flies from Australia to Chicago O'Hare Intl?

Qatar Airways, Cathay Pacific, and ANA are the most popular carriers operating from Australia to Chicago O'Hare Intl

How many operators does momondo search for flights from Australia to Chicago O'Hare Intl Airport?

The number of operators available for flights from Australia to Chicago O'Hare Intl Airport is 1 as of November 2026.

How old do you have to be to fly from Australia to Chicago O'Hare Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Australia to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$471 Cheap Flights from Australia to Chicago O'Hare Intl Airport in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Australia to Chicago

Round-trip

One-way

Last minute

Recent round-trip flight deals from Australia to Chicago

Enter your travel dates to find the best prices.

11:15 am - 4:42 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

22h 27m1 stop Los Angeles

5:15 pm - 9:00 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

22h 45m1 stop Los Angeles

$782Multiple Airlines

Thu, Nov 26 - Thu, Dec 3

11:10 am - 3:16 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

21h 06m1 stop Los Angeles

3:25 pm - 9:00 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

24h 35m1 stop Los Angeles

$812Qantas Airways

Thu, Nov 26 - Thu, Dec 3

12:30 pm - 3:59 pmMEL Melbourne-ORD Chicago O'Hare Intl

44h 29m2 stops Sydney Kingsford Smith Los Angeles

6:20 pm - 7:40 pmORD Chicago O'Hare Intl-MEL Melbourne

34h 20m2 stops Dallas/Fort Worth Sydney Kingsford Smith

$995Qantas Airways

Mon, Jan 18 - Mon, May 31

8:00 am - 11:59 pmMEL Melbourne-ORD Chicago O'Hare Intl

32h 59m2 stops Sydney Kingsford Smith Los Angeles

5:22 pm - 11:10 amORD Chicago O'Hare Intl-MEL Melbourne

26h 48m2 stops San Francisco Sydney Kingsford Smith

$1,099Qantas Airways

Tue, Jan 19 - Wed, Jun 2

10:40 am - 6:24 pmMEL Melbourne-ORD Chicago O'Hare Intl

24h 44m2 stops Sydney Kingsford Smith Dallas/Fort Worth

5:22 pm - 9:55 amORD Chicago O'Hare Intl-MEL Melbourne

25h 33m2 stops San Francisco Sydney Kingsford Smith

$1,101Qantas Airways

Mon, Jan 18 - Wed, Jun 2

7:50 pm - 2:15 pmBNE Brisbane-ORD Chicago O'Hare Intl

34h 25m2 stops Sydney Kingsford Smith Los Angeles

3:06 pm - 11:00 amORD Chicago O'Hare Intl-BNE Brisbane

27h 54m2 stops Las Vegas Harry Reid Intl Sydney Kingsford Smith

$1,110Qantas Airways

Thu, Dec 24 - Tue, Jan 12

7:10 am - 3:59 pmMEL Melbourne-ORD Chicago O'Hare Intl

25h 49m2 stops Sydney Kingsford Smith Los Angeles

5:10 pm - 10:20 amORD Chicago O'Hare Intl-MEL Melbourne

26h 10m2 stops Los Angeles Sydney Kingsford Smith

$1,149Qantas Airways

Wed, Jan 20 - Sat, May 29

8:00 am - 3:59 pmMEL Melbourne-ORD Chicago O'Hare Intl

24h 59m2 stops Sydney Kingsford Smith Los Angeles

5:10 pm - 10:35 amORD Chicago O'Hare Intl-MEL Melbourne

26h 25m2 stops Los Angeles Sydney Kingsford Smith

$1,150Qantas Airways

Tue, Jan 19 - Sat, May 29

7:10 am - 3:59 pmMEL Melbourne-ORD Chicago O'Hare Intl

25h 49m2 stops Sydney Kingsford Smith Los Angeles

6:59 pm - 10:35 amORD Chicago O'Hare Intl-MEL Melbourne

24h 36m2 stops Los Angeles Sydney Kingsford Smith

$1,151Qantas Airways

Wed, Jan 20 - Thu, Jun 3

12:20 pm - 1:55 pmBNE Brisbane-ORD Chicago O'Hare Intl

40h 35m1 stop Hong Kong Intl

4:15 pm - 10:30 pmORD Chicago O'Hare Intl-BNE Brisbane

39h 15m1 stop Hong Kong Intl

$1,214Cathay Pacific

Thu, Apr 29 - Thu, May 13

Recent last minute flight deals from Australia to Chicago

Enter your travel dates to find the best prices.

2:00 pm - 12:21 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

27h 21m3 stops Nadi Los Angeles Denver Intl

7:49 am - 12:35 pmORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

35h 46m3 stops Atlanta Hartsfield-Jackson Los Angeles Nadi

$1,148Multiple Airlines

Thu, Nov 12 - Wed, Nov 25

12:45 am - 12:30 pmMEL Melbourne-ORD Chicago O'Hare Intl

28h 45m1 stop Hong Kong Intl

2:10 pm - 12:30 pmORD Chicago O'Hare Intl-MEL Melbourne

29h 20m1 stop Hong Kong Intl

$1,205Cathay Pacific

Sun, Nov 8 - Mon, Nov 23

10:20 pm - 12:30 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

31h 10m1 stop Hong Kong Intl

2:10 pm - 9:35 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

26h 25m1 stop Hong Kong Intl

$1,233Cathay Pacific

Thu, Nov 12 - Wed, Nov 25

12:50 am - 12:30 pmBNE Brisbane-ORD Chicago O'Hare Intl

27h 40m1 stop Hong Kong Intl

2:10 pm - 11:20 pmORD Chicago O'Hare Intl-BNE Brisbane

41h 10m1 stop Hong Kong Intl

$1,294Cathay Pacific

Mon, Nov 9 - Mon, Nov 23

12:50 am - 12:30 pmBNE Brisbane-ORD Chicago O'Hare Intl

27h 40m1 stop Hong Kong Intl

2:10 pm - 1:35 pmORD Chicago O'Hare Intl-BNE Brisbane

31h 25m2 stops Hong Kong Intl Sydney Kingsford Smith

$1,306Cathay Pacific

Mon, Nov 9 - Mon, Nov 23

10:20 am - 10:00 pmMEL Melbourne-ORD Chicago O'Hare Intl

28h 40m2 stops Auckland Intl Los Angeles

10:25 am - 10:55 amORD Chicago O'Hare Intl-MEL Melbourne

31h 30m2 stops Los Angeles Auckland Intl

$1,345Air New Zealand

Mon, Nov 9 - Mon, Nov 23

2:00 pm - 12:21 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

27h 21m3 stops Nadi Los Angeles Denver Intl

7:49 am - 6:25 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

29h 36m2 stops Atlanta Hartsfield-Jackson Los Angeles

$1,355Multiple Airlines

Thu, Nov 12 - Wed, Nov 25

8:40 am - 4:55 pmPER Perth-ORD Chicago O'Hare Intl

22h 15m1 stop Manila Ninoy Aquino Intl

4:25 pm - 7:55 pmORD Chicago O'Hare Intl-PER Perth

37h 30m2 stops Tokyo Haneda Kuala Lumpur Intl

$1,358Multiple Airlines

Mon, Nov 9 - Wed, Nov 25

10:25 am - 5:00 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

23h 35m2 stops Brisbane Los Angeles

6:56 am - 6:55 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

30h 59m2 stops Cincinnati Cinci./N. Kentucky Dallas/Fort Worth

$1,719Qantas Airways

Thu, Nov 12 - Wed, Nov 25

11:10 am - 4:05 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

21h 55m1 stop Los Angeles

9:05 pm - 6:25 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

40h 20m1 stop San Francisco

$13,078Qantas Airways

Thu, Nov 12 - Sat, Nov 21

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American Airlines flights from Australia to Chicago O'Hare Intl Airport

Our best American Airlines deals on Australia to Chicago O'Hare Intl Airport flight tickets

American Airlines

Feb 4

MEL10:45 pmMelbourne

30h 45m

1 stop

ORD12:30 pmChicago O'Hare Intl

Feb 8

ORD3:52 pmChicago O'Hare Intl

26h 38m

2 stops

MEL11:30 amMelbourne

$1,390

American Airlines

Jan 18

MEL10:45 pmMelbourne

36h 38m

1 stop

ORD6:23 pmChicago O'Hare Intl

May 30

ORD6:20 pmChicago O'Hare Intl

25h 15m

2 stops

MEL10:35 amMelbourne

$1,391

American Airlines

Jan 23

MEL10:45 pmMelbourne

30h 45m

1 stop

ORD12:30 pmChicago O'Hare Intl

Feb 7

ORD2:52 pmChicago O'Hare Intl

26h 43m

2 stops

MEL10:35 amMelbourne

$1,425

Turkish Airlines flights from Australia to Chicago O'Hare Intl Airport

Our best Turkish Airlines deals on Australia to Chicago O'Hare Intl Airport flight tickets

Turkish Airlines

Feb 4

SYD9:35 pmSydney Kingsford Smith

37h 45m

2 stops

ORD6:20 pmChicago O'Hare Intl

Feb 8

ORD8:15 pmChicago O'Hare Intl

54h 10m

2 stops

SYD7:25 pmSydney Kingsford Smith

$1,592

Turkish Airlines

Feb 4

SYD9:35 pmSydney Kingsford Smith

37h 45m

2 stops

ORD6:20 pmChicago O'Hare Intl

Feb 8

ORD8:15 pmChicago O'Hare Intl

54h 10m

2 stops

SYD7:25 pmSydney Kingsford Smith

$1,595

momondo Fare Finder

Use the filters below to find and compare flights from Australia to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Thu 11/26

11:15 am-4:42 pm

1 stop22h 27m

Chicago O'Hare Intl

Thu 12/3

5:15 pm-9:00 am

1 stop22h 45m

$782

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Thu 11/26

11:10 am-3:16 pm

1 stop21h 06m

Chicago O'Hare Intl

Thu 12/3

3:25 pm-9:00 am

1 stop24h 35m

$812

MelbourneChicago

MEL Melbourne - ORD Chicago O'Hare Intl

MELORD

Melbourne

Mon 1/18

12:30 pm-3:59 pm

2 stops44h 29m

Chicago O'Hare Intl

Mon 5/31

6:20 pm-7:40 pm

2 stops34h 20m

$995

MelbourneChicago

MEL Melbourne - ORD Chicago O'Hare Intl

MELORD

Melbourne

Tue 1/19

8:00 am-11:59 pm

2 stops32h 59m

Chicago O'Hare Intl

Wed 6/2

5:22 pm-11:10 am

2 stops26h 48m

$1,099

MelbourneChicago

MEL Melbourne - ORD Chicago O'Hare Intl

MELORD

Melbourne

Mon 1/18

10:40 am-6:24 pm

2 stops24h 44m

Chicago O'Hare Intl

Wed 6/2

5:22 pm-9:55 am

2 stops25h 33m

$1,101

BrisbaneChicago

BNE Brisbane - ORD Chicago O'Hare Intl

BNEORD

Brisbane

Thu 12/24

7:50 pm-2:15 pm

2 stops34h 25m

Chicago O'Hare Intl

Tue 1/12

3:06 pm-11:00 am

2 stops27h 54m

$1,110

MelbourneChicago

MEL Melbourne - ORD Chicago O'Hare Intl

MELORD

Melbourne

Wed 1/20

7:10 am-3:59 pm

2 stops25h 49m

Chicago O'Hare Intl

Sat 5/29

5:10 pm-10:20 am

2 stops26h 10m

$1,149

MelbourneChicago

MEL Melbourne - ORD Chicago O'Hare Intl

MELORD

Melbourne

Tue 1/19

8:00 am-3:59 pm

2 stops24h 59m

Chicago O'Hare Intl

Sat 5/29

5:10 pm-10:35 am

2 stops26h 25m

$1,150

MelbourneChicago

MEL Melbourne - ORD Chicago O'Hare Intl

MELORD

Melbourne

Wed 1/20

7:10 am-3:59 pm

2 stops25h 49m

Chicago O'Hare Intl

Thu 6/3

6:59 pm-10:35 am

2 stops24h 36m

$1,151

BrisbaneChicago

BNE Brisbane - ORD Chicago O'Hare Intl

BNEORD

Brisbane

Thu 4/29

12:20 pm-1:55 pm

1 stop40h 35m

Chicago O'Hare Intl

Thu 5/13

4:15 pm-10:30 pm

1 stop39h 15m

$1,214

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Australia to Chicago O'Hare Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of March is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Australia averaging around $1,113.

How far in advance should I book a flight from Australia to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $1,478 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Australia for as low as $875 on momondo.

Can stopping save me money on Australia to Chicago O'Hare Intl Airport flights?

You could potentially save up to 32% on your flight if you consider stops on a Australia to Chicago O'Hare Intl Airport flight.

Cheap Australia to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Australia to Chicago O'Hare Intl Airport

Best Price Found	$471
Fastest flight time	23h 04m
Direct flights	None

The best one-way flight to Chicago O'Hare Intl Airport from Australia in the past 72 hours is $471. The best round-trip flight deal from Australia to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $782.

The fastest flight from Australia to Chicago O'Hare Intl Airport takes 23h 04m

There are no direct flights from Australia to Chicago O'Hare Intl Airport. There are no popular flight routes from Australia to Chicago O'Hare Intl Airport.

Search flight deals

Frequently asked questions about flying from Australia to Chicago O'Hare Intl Airport

When did momondo last update prices for flights from Australia to Chicago O'Hare Intl Airport?
Prices for flights from Australia to Chicago O'Hare Intl Airport are updated daily.
How many operators does momondo search for flights from Australia to Chicago O'Hare Intl Airport?
The number of operators available for flights from Australia to Chicago O'Hare Intl Airport is 1 as of November 2026.
How old do you have to be to fly from Australia to Chicago O'Hare Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Australia to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Australia to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Australia to Chicago O'Hare Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Qantas Airways	PriceFrom $970	Free Cancellation	Rating 7.5 1,123 reviews		Search Qantas Airways flights

Lake Geneva

Schaumburg

Merrillville

Rockford

South Haven

Oak Brook

Rosemont

Gurnee

Orland Park

Joliet

Naperville

New Buffalo

Kenosha

Hammond

Aurora

Racine

Elgin

Janesville

Skokie

Waukegan

Why use momondo?

Why should I use momondo to find a flight deal from Australia to Chicago?

Finding the right flight to Chicago from Australia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

Can I find flights from Australia to Chicago with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Chicago from Australia with this policy.

How can momondo help me find flights from Australia to Chicago?

Once all potential Australia to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Australia to Chicago right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chicago from Australia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Chicago O'Hare Intl Airport trip

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Cheap flights from Australia to Chicago from $471

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Australia to Chicago departing on 2/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Australia to Chicago O'Hare Intl Airport

Our best American Airlines deals on Australia to Chicago O'Hare Intl Airport flight tickets

Turkish Airlines flights from Australia to Chicago O'Hare Intl Airport

Our best Turkish Airlines deals on Australia to Chicago O'Hare Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Australia to Chicago O'Hare Intl Airport that are best for you.

See travel insights to Chicago from

How to get the cheapest flight ticket from Australia to Chicago O'Hare Intl Airport

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

How far in advance should I book a flight from Australia to Chicago O'Hare Intl Airport?

Can stopping save me money on Australia to Chicago O'Hare Intl Airport flights?

What is the cheapest airline that flies from Australia to Chicago O'Hare Intl?

How long does it take to fly to Chicago O'Hare Intl Airport?

Cheap Australia to Chicago O'Hare Intl Airport flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Australia to Chicago O'Hare Intl Airport

Best airlines flying from Australia to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Australia to Chicago O'Hare Intl Airport with momondo

Traveling to a place near Chicago?

Why use momondo?

An easier way to manage your Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Chicago

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Australia flight routes

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year

Fly your favorite airline to Chicago

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List of cabin classes available on flights landing in Chicago. Availability may vary depending on flight origin and airline.

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