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

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

What airlines fly to Chicago?

Qantas Airways, United Airlines and Air Canada are the top three most popular airlines that fly to Chicago from Australia according to our data. Qantas Airways is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 4 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

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 Sydney to Chicago O'Hare Intl Airport is 19h 45m on average, while flying from Melbourne to Chicago O'Hare Intl Airport is 22h 48m on average. Chicago O'Hare Intl Airport is the most popular airport in 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 4 operators available for flights from Australia to Chicago as of December 2025.

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.

$608 Cheap Flights from Australia to Chicago in 2025/26

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Find the cheapest flights from Australia to Chicago

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Recent round-trip flight deals from Australia to Chicago

Enter your travel dates to find the best prices.

10:45 am - 4:45 pm

BNE

ORD

22h 00m2 stops

7:15 am - 8:45 am

ORD

BNE

33h 30m2 stops

$894Air Canada

Thu, Feb 12 - Thu, Feb 19

10:45 am - 8:10 pm

BNE

ORD

25h 25m2 stops

7:15 am - 8:45 am

ORD

BNE

33h 30m2 stops

$901Air Canada

Wed, Feb 11 - Wed, Feb 18

7:40 pm - 3:48 pm

BNE

ORD

35h 08m2 stops

6:00 am - 5:00 am

ORD

BNE

32h 00m1 stop

$926American Airlines

Tue, Mar 17 - Wed, Apr 1

6:00 am - 2:41 pm

MEL

ORD

24h 41m2 stops

3:35 pm - 1:05 pm

ORD

MEL

29h 30m2 stops

$959Multiple Airlines

Wed, Mar 11 - Wed, Mar 18

6:05 am - 7:45 pm

BNE

ORD

29h 40m3 stops

1:12 pm - 8:45 am

ORD

BNE

27h 33m2 stops

$960Multiple Airlines

Thu, Feb 12 - Thu, Feb 19

7:40 pm - 12:31 pm

BNE

ORD

32h 51m1 stop

4:49 pm - 6:30 am

ORD

BNE

21h 41m1 stop

$977American Airlines

Wed, Feb 18 - Sun, Feb 22

11:05 am - 5:55 pm

BNE

MDW

22h 50m2 stops

9:50 am - 8:20 am

MDW

BNE

30h 30m2 stops

$1,023Delta

Wed, Feb 11 - Wed, Feb 18

9:10 am - 6:40 pm

MEL

MDW

25h 30m2 stops

7:20 pm - 7:00 am

MDW

MEL

43h 40m2 stops

$1,025Delta

Wed, Mar 11 - Tue, Mar 17

9:55 pm - 1:50 pm

PER

ORD

29h 55m1 stop

7:10 am - 8:10 pm

ORD

PER

47h 00m2 stops

$1,048ANA

Sun, Feb 8 - Mon, Feb 23

9:55 pm - 1:50 pm

PER

ORD

29h 55m1 stop

6:20 pm - 8:10 pm

ORD

PER

35h 50m2 stops

$1,108ANA

Sun, Feb 8 - Mon, Feb 23

Air Canada flights from Australia to Chicago

Our best Air Canada deals on Australia to Chicago flight tickets

Air Canada

Feb 12

BNE10:45 amBrisbane

22h 00m

2 stops

ORD4:45 pmChicago O'Hare Intl

Feb 19

ORD7:15 amChicago O'Hare Intl

33h 30m

2 stops

BNE8:45 amBrisbane

$894

Find similar

Air Canada

Feb 11

BNE10:45 amBrisbane

25h 25m

2 stops

ORD8:10 pmChicago O'Hare Intl

Feb 18

ORD7:15 amChicago O'Hare Intl

33h 30m

2 stops

BNE8:45 amBrisbane

$901

Find similar

Air Canada

Feb 11

BNE10:45 amBrisbane

40h 21m

2 stops

ORD11:06 amChicago O'Hare Intl

Feb 18

ORD3:35 pmChicago O'Hare Intl

25h 10m

1 stop

BNE8:45 amBrisbane

$904

Find similar

United Airlines flights from Australia to Chicago

Our best United Airlines deals on Australia to Chicago flight tickets

United Airlines

Mar 11

MEL10:30 amMelbourne

22h 30m

2 stops

ORD5:00 pmChicago O'Hare Intl

Mar 18

ORD4:08 pmChicago O'Hare Intl

24h 22m

2 stops

MEL8:30 amMelbourne

$1,018

Find similar

United Airlines

Jan 26

MEL1:00 pmMelbourne

27h 14m

1 stop

ORD11:14 pmChicago O'Hare Intl

Feb 2

ORD6:30 pmChicago O'Hare Intl

22h 00m

1 stop

MEL9:30 amMelbourne

$1,020

Find similar

United Airlines

Mar 17

BNE10:40 amBrisbane

23h 12m

1 stop

ORD6:52 pmChicago O'Hare Intl

Apr 1

ORD6:20 pmChicago O'Hare Intl

21h 10m

1 stop

BNE6:30 amBrisbane

$1,023

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 2/12

10:45 am-4:45 pm

2 stops22h 00m

Chicago O'Hare Intl

Thu 2/19

7:15 am-8:45 am

2 stops33h 30m

$894

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Wed 2/11

10:45 am-8:10 pm

2 stops25h 25m

Chicago O'Hare Intl

Wed 2/18

7:15 am-8:45 am

2 stops33h 30m

$901

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 3/17

7:40 pm-3:48 pm

2 stops35h 08m

Chicago O'Hare Intl

Wed 4/1

6:00 am-5:00 am

1 stop32h 00m

$926

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 3/11

6:00 am-2:41 pm

2 stops24h 41m

Chicago O'Hare Intl

Wed 3/18

3:35 pm-1:05 pm

2 stops29h 30m

$959

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 2/12

6:05 am-7:45 pm

3 stops29h 40m

Chicago O'Hare Intl

Thu 2/19

1:12 pm-8:45 am

2 stops27h 33m

$960

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Wed 2/18

7:40 pm-12:31 pm

1 stop32h 51m

Chicago O'Hare Intl

Sun 2/22

4:49 pm-6:30 am

1 stop21h 41m

$977

BrisbaneChicago

BNE - MDW

BNEMDW

Brisbane

Wed 2/11

11:05 am-5:55 pm

2 stops22h 50m

Chicago Midway

Wed 2/18

9:50 am-8:20 am

2 stops30h 30m

$1,023

MelbourneChicago

MEL - MDW

MELMDW

Melbourne

Wed 3/11

9:10 am-6:40 pm

2 stops25h 30m

Chicago Midway

Tue 3/17

7:20 pm-7:00 am

2 stops43h 40m

$1,025

PerthChicago

PER - ORD

PERORD

Perth

Sun 2/8

9:55 pm-1:50 pm

1 stop29h 55m

Chicago O'Hare Intl

Mon 2/23

7:10 am-8:10 pm

2 stops47h 00m

$1,048

PerthChicago

PER - ORD

PERORD

Perth

Sun 2/8

9:55 pm-1:50 pm

1 stop29h 55m

Chicago O'Hare Intl

Mon 2/23

6:20 pm-8:10 pm

2 stops35h 50m

$1,108

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 March is, on average, the cheapest month to fly to Chicago from Australia, with most prices found around $732. If you’re not able to fly to Chicago in March, then May is your next best option. Flight prices from Australia to Chicago during May average around $737.

How far in advance should I book a flight 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 $961 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 $772 on momondo.

Can stopping save me money on Australia to Chicago flights?

You could potentially save up to 44% 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

Fastest flight time	19h 45m
Direct flights	None

The fastest flight from Australia to Chicago takes 19h 45m

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

Search flight deals

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 4 operators available for flights from Australia to Chicago as of December 2025.
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 $631	Free Cancellation	Rating 7.5 957 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $862	Free Cancellation	Rating 7.1 10,564 reviews	Search Air Canada flights
Japan Airlines	PriceFrom $965	Free Cancellation	Rating 8.3 1,663 reviews	Search Japan Airlines flights
United Airlines	PriceFrom $1,080	Free Cancellation	Rating 7.4 9,123 reviews	Search United Airlines flights

Merrillville

New Buffalo

Hammond

Benton Harbor

Saint Joseph

Portage

Lansing

Schererville

Valparaiso

Munster

Crown Point

Chesterton

Monticello

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.