How long does it take to fly to Chicago?

Average flight duration from Australia to Chicago depends on which airport you fly into and out of. Flying from Brisbane to Chicago O'Hare Intl Airport is 19h 50m on average, while flying from Perth to Chicago O'Hare Intl Airport is 22h 25m on average. Chicago O'Hare Intl Airport is the most popular airport in Chicago.

What is the cheapest airline that flies from Australia to Chicago?

Cathay Pacific, Qatar Airways, and Air New Zealand are the most popular carriers operating from Australia to Chicago

When did momondo last update prices for flights from Australia to Chicago?

Prices for flights from Australia to Chicago are updated daily.

How many operators does momondo search for flights from Australia to Chicago?

There are 2 operators available for flights from Australia to Chicago as of October 2026.

How old do you have to be to fly from Australia to Chicago?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Australia to Chicago.

What documentation or ID do you need to fly to Chicago?

The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$440 Cheap Flights from Australia to Chicago in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Australia to Chicago

Round-trip

One-way

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Recent round-trip flight deals from Australia to Chicago

Enter your travel dates to find the best prices.

11:10 am - 5:59 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

23h 49m1 stop Los Angeles

5:29 pm - 9:00 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

22h 31m2 stops Phoenix Sky Harbor Intl Los Angeles

$735American Airlines

Thu, Nov 5 - Mon, Nov 9

11:10 am - 5:59 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

23h 49m1 stop Los Angeles

10:32 am - 9:00 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

29h 28m1 stop Los Angeles

$735American Airlines

Thu, Nov 5 - Mon, Nov 9

11:10 am - 5:59 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

23h 49m1 stop Los Angeles

12:57 pm - 9:00 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

27h 03m2 stops Atlanta Hartsfield-Jackson Los Angeles

$738American Airlines

Thu, Nov 12 - Mon, Nov 23

11:10 am - 5:00 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

22h 50m1 stop Los Angeles

6:45 pm - 9:00 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

21h 15m1 stop Los Angeles

$738American Airlines

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

1:44 pm - 9:00 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

26h 16m2 stops Dallas/Fort Worth Los Angeles

$738American Airlines

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

10:03 pm - 9:00 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

41h 57m1 stop Los Angeles

$738American Airlines

Mon, Nov 9 - Sat, Nov 21

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

21h 55m1 stop Los Angeles

8:29 am - 9:00 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

31h 31m1 stop Los Angeles

$801Qantas Airways

Fri, Nov 6 - Mon, Nov 23

11:10 am - 10:30 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

28h 20m1 stop Los Angeles

3:21 pm - 9:00 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

24h 39m2 stops Denver Intl Los Angeles

$843Qantas Airways

Fri, Nov 6 - Mon, Nov 23

11:20 am - 7:05 pmBNE Brisbane-ORD Chicago O'Hare Intl

23h 45m1 stop San Francisco

8:17 pm - 7:30 amORD Chicago O'Hare Intl-BNE Brisbane

43h 13m1 stop San Francisco

$2,230United Airlines

Thu, Dec 10 - Sun, Dec 20

11:20 am - 9:34 pmBNE Brisbane-ORD Chicago O'Hare Intl

26h 14m2 stops San Francisco Denver Intl

8:17 pm - 7:30 amORD Chicago O'Hare Intl-BNE Brisbane

43h 13m1 stop San Francisco

$2,240United Airlines

Thu, Dec 10 - Sun, Dec 20

Recent last minute flight deals from Australia to Chicago

Enter your travel dates to find the best prices.

10:10 am - 6:38 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

24h 28m1 stop Los Angeles

10:30 am - 8:05 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

29h 35m1 stop Los Angeles

$738American Airlines

Mon, Oct 5 - Mon, Oct 19

10:15 am - 11:31 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

29h 16m1 stop Los Angeles

6:59 pm - 7:50 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

20h 51m1 stop Los Angeles

$740Delta

Mon, Oct 5 - Mon, Oct 19

10:15 am - 4:59 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

22h 44m2 stops Los Angeles Minneapolis St Paul

1:25 pm - 7:50 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

26h 25m2 stops Detroit Metropolitan Wayne County Los Angeles

$740Delta

Mon, Oct 5 - Mon, Oct 19

10:15 am - 1:44 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

19h 29m1 stop Los Angeles

9:51 am - 7:50 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

29h 59m2 stops Atlanta Hartsfield-Jackson Los Angeles

$740Delta

Mon, Oct 5 - Mon, Oct 19

10:15 am - 1:44 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

19h 29m1 stop Los Angeles

7:35 am - 7:50 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

32h 15m2 stops Salt Lake City Los Angeles

$741Delta

Mon, Oct 5 - Sun, Oct 18

10:15 am - 8:30 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

26h 15m2 stops Los Angeles Detroit Metropolitan Wayne County

12:30 pm - 7:50 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

27h 20m2 stops Minneapolis St Paul Los Angeles

$741Delta

Mon, Oct 5 - Sun, Oct 18

10:15 am - 1:44 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

19h 29m1 stop Los Angeles

6:59 pm - 7:50 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

20h 51m1 stop Los Angeles

$741Delta

Mon, Oct 5 - Sun, Oct 18

10:10 am - 6:38 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

24h 28m1 stop Los Angeles

12:00 pm - 8:05 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

28h 05m1 stop Los Angeles

$752American Airlines

Mon, Oct 5 - Mon, Oct 19

10:10 am - 4:51 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

22h 41m1 stop Los Angeles

8:30 pm - 8:05 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

43h 35m1 stop Los Angeles

$839Qantas Airways

Thu, Oct 8 - Thu, Oct 15

10:10 am - 3:59 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

21h 49m1 stop Los Angeles

5:59 pm - 11:45 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

24h 46m2 stops Dallas/Fort Worth Brisbane

$842Qantas Airways

Wed, Oct 7 - Thu, Nov 12

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Cathay Pacific flights from Australia to Chicago

Our best Cathay Pacific deals on Australia to Chicago flight tickets

Cathay Pacific

Nov 11

BNE12:50 amBrisbane

27h 40m

1 stop

ORD12:30 pmChicago O'Hare Intl

Nov 30

ORD2:10 pmChicago O'Hare Intl

28h 35m

1 stop

BNE10:45 amBrisbane

$1,118

Cathay Pacific

Mar 15

BNE12:15 pmBrisbane

40h 15m

1 stop

ORD1:30 pmChicago O'Hare Intl

Apr 5

ORD4:15 pmChicago O'Hare Intl

27h 35m

1 stop

BNE10:50 amBrisbane

$1,155

Cathay Pacific

Nov 4

BNE12:50 amBrisbane

27h 40m

1 stop

ORD12:30 pmChicago O'Hare Intl

Nov 9

ORD2:10 pmChicago O'Hare Intl

28h 35m

1 stop

BNE10:45 amBrisbane

$1,178

Qantas Airways flights from Australia to Chicago

Our best Qantas Airways deals on Australia to Chicago flight tickets

Qantas Airways

Nov 6

SYD11:10 amSydney Kingsford Smith

21h 55m

1 stop

ORD4:05 pmChicago O'Hare Intl

Nov 23

ORD8:29 amChicago O'Hare Intl

31h 31m

1 stop

SYD9:00 amSydney Kingsford Smith

$801

Qantas Airways

Oct 8

SYD10:10 amSydney Kingsford Smith

22h 41m

1 stop

ORD4:51 pmChicago O'Hare Intl

Oct 15

ORD8:30 pmChicago O'Hare Intl

43h 35m

1 stop

SYD8:05 amSydney Kingsford Smith

$839

Qantas Airways

Oct 7

SYD10:10 amSydney Kingsford Smith

21h 49m

1 stop

ORD3:59 pmChicago O'Hare Intl

Nov 12

ORD5:59 pmChicago O'Hare Intl

24h 46m

2 stops

SYD11:45 amSydney Kingsford Smith

$842

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Thu 11/5

11:10 am-5:59 pm

1 stop23h 49m

Chicago O'Hare Intl

Mon 11/9

5:29 pm-9:00 am

2 stops22h 31m

$735

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Thu 11/5

11:10 am-5:59 pm

1 stop23h 49m

Chicago O'Hare Intl

Mon 11/9

10:32 am-9:00 am

1 stop29h 28m

$735

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Thu 11/12

11:10 am-5:59 pm

1 stop23h 49m

Chicago O'Hare Intl

Mon 11/23

12:57 pm-9:00 am

2 stops27h 03m

$738

Quickest round-trip

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Thu 11/12

11:10 am-5:00 pm

1 stop22h 50m

Chicago O'Hare Intl

Wed 11/25

6:45 pm-9:00 am

1 stop21h 15m

$738

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Thu 11/12

11:10 am-4:05 pm

1 stop21h 55m

Chicago O'Hare Intl

Wed 11/25

1:44 pm-9:00 am

2 stops26h 16m

$738

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Mon 11/9

11:10 am-4:05 pm

1 stop21h 55m

Chicago O'Hare Intl

Sat 11/21

10:03 pm-9:00 am

1 stop41h 57m

$738

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Fri 11/6

11:10 am-4:05 pm

1 stop21h 55m

Chicago O'Hare Intl

Mon 11/23

8:29 am-9:00 am

1 stop31h 31m

$801

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Fri 11/6

11:10 am-10:30 pm

1 stop28h 20m

Chicago O'Hare Intl

Mon 11/23

3:21 pm-9:00 am

2 stops24h 39m

$843

BrisbaneChicago

BNE Brisbane - ORD Chicago O'Hare Intl

BNEORD

Brisbane

Thu 12/10

11:20 am-7:05 pm

1 stop23h 45m

Chicago O'Hare Intl

Sun 12/20

8:17 pm-7:30 am

1 stop43h 13m

$2,230

BrisbaneChicago

BNE Brisbane - ORD Chicago O'Hare Intl

BNEORD

Brisbane

Thu 12/10

11:20 am-9:34 pm

2 stops26h 14m

Chicago O'Hare Intl

Sun 12/20

8:17 pm-7:30 am

1 stop43h 13m

$2,240

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

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?

The month of May is, on average, the cheapest month to fly to Chicago from Australia, with most prices found around $1,140. If you’re not able to fly to Chicago in May, then March is your next best option. Flight prices from Australia to Chicago during March average around $1,147.

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

You are more likely to see cheaper flights to Chicago from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $1,452 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Australia for as low as $875 on momondo.

Can stopping save me money on Australia to Chicago flights?

You could potentially save up to 30% on your flight if you consider stops on a Australia to Chicago flight.

Cheap Australia to Chicago flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Australia to Chicago

Best Price Found	$440
Fastest flight time	19h 50m
Direct flights	None

The best one-way flight to Chicago from Australia in the past 72 hours is $440. The best round-trip flight deal from Australia to Chicago found on momondo in the last 72 hours is $735.

The fastest flight from Australia to Chicago takes 19h 50m

There are no direct flights from Australia to Chicago. There are no popular flight routes from Australia to Chicago.

Search flight deals

Frequently asked questions about flying from Australia to Chicago

When did momondo last update prices for flights from Australia to Chicago?
Prices for flights from Australia to Chicago are updated daily.
How many operators does momondo search for flights from Australia to Chicago?
There are 2 operators available for flights from Australia to Chicago as of October 2026.
How old do you have to be to fly from Australia to Chicago?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Australia to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Australia to Chicago

Compare and see reviews for airlines that fly from Australia to Chicago with momondo

Airline	Rating	Free Cancellation	Price
Qantas Airways	PriceFrom $970	Free Cancellation	Rating 7.5 1,101 reviews		Search Qantas Airways flights
United Airlines	PriceFrom $1,133	Free Cancellation	Rating 7.4 10,280 reviews		Search United Airlines flights

Merrillville

New Buffalo

Hammond

Portage

Benton Harbor

Saint Joseph

Lansing

Valparaiso

Schererville

Munster

Chesterton

Monticello

Crown Point

Porter

Griffith

Saint John

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Australia to Chicago for you.

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

Yes. All flights to Chicago from Australia on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Australia to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Australia to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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Fly into one of these airports located in Chicago

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Cheap flights from Australia to Chicago from $440

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 12/3. 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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Cathay Pacific flights from Australia to Chicago

Our best Cathay Pacific deals on Australia to Chicago flight tickets

Qantas Airways flights from Australia to Chicago

Our best Qantas Airways deals on Australia to Chicago flight tickets

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See travel insights to Chicago from

How to get the cheapest flight ticket from Australia to Chicago

What is the cheapest month to fly to Chicago?

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

Can stopping save me money on Australia to Chicago flights?

What is the cheapest airline that flies from Australia to Chicago?

How long does it take to fly to Chicago?

Cheap Australia to Chicago flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Australia to Chicago

Best airlines flying from Australia to Chicago

Compare and see reviews for airlines that fly from Australia to Chicago with momondo

Traveling to a place near Chicago?

Why use momondo?

An easier way to manage your Chicago 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 the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Chicago

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

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

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