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

Philippine Airlines, Delta, and Qantas Airways are the most popular carriers operating from Chicago to Australia

What airlines fly to Australia?

Qantas Airways, American Airlines and United Airlines are the top three most popular airlines that fly to Australia from Chicago according to our data. Qantas Airways is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 10 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Chicago to Australia were last updated today.

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

The number of operators available for flights from Chicago to Australia is 10 as of January 2026.

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

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 Chicago to Australia.

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

The travel and health documents required for your trip to Australia 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 Australia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$501 Cheap Flights from Chicago to Australia in 2026

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Find the cheapest flights from Chicago to Australia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 7:05 am

ORD

BNE

24h 25m

1 stop

10:00 am - 2:45 pm

BNE

ORD

19h 45m

1 stop

$947Air Canada

Tue, Jun 2 - Tue, Jun 16

3:35 pm - 8:45 am

ORD

BNE

25h 10m

1 stop

9:45 am - 2:41 pm

BNE

ORD

19h 56m

1 stop

$948Air Canada

Tue, Feb 24 - Wed, Mar 11

8:45 am - 7:05 am

ORD

BNE

31h 20m

2 stops

10:00 am - 2:45 pm

BNE

ORD

19h 45m

1 stop

$951Air Canada

Tue, Jun 2 - Tue, Jun 16

6:00 pm - 8:50 pm

ORD

SYD

33h 50m

2 stops

11:20 am - 9:35 pm

SYD

ORD

27h 15m

1 stop

$962Qantas Airways

Sun, Feb 1 - Sat, Feb 14

6:00 am - 7:30 am

ORD

SYD

34h 30m

1 stop

1:15 pm - 6:46 am

SYD

ORD

32h 31m

2 stops

$1,041Multiple Airlines

Thu, Apr 30 - Thu, May 21

7:31 pm - 7:25 am

ORD

SYD

43h 54m

1 stop

1:15 pm - 6:46 am

SYD

ORD

32h 31m

2 stops

$1,052Multiple Airlines

Tue, Mar 24 - Tue, Apr 14

5:10 pm - 5:15 pm

ORD

MEL

31h 05m

2 stops

12:00 pm - 5:46 pm

MEL

ORD

22h 46m

1 stop

$1,082Qantas Airways

Mon, Feb 2 - Fri, Feb 20

1:26 pm - 8:20 am

MDW

BNE

26h 54m

2 stops

10:40 am - 10:22 pm

BNE

MDW

27h 42m

2 stops

$1,165Delta

Wed, Jan 28 - Sun, Feb 8

6:40 pm - 8:20 am

MDW

BNE

45h 40m

2 stops

10:05 am - 6:40 pm

BNE

MDW

23h 35m

2 stops

$1,179Delta

Tue, Feb 24 - Wed, Mar 11

6:04 am - 2:45 pm

ORD

PER

43h 41m

3 stops

5:05 pm - 10:56 pm

PER

ORD

42h 51m

3 stops

$1,540Singapore Airlines

Mon, Mar 9 - Mon, Mar 16

Air Canada flights from Chicago to Australia

Our best Air Canada deals on Chicago to Australia flight tickets

Air Canada

Jun 2

ORD3:40 pmChicago O'Hare Intl

24h 25m

1 stop

BNE7:05 amBrisbane

Jun 16

BNE10:00 amBrisbane

19h 45m

1 stop

ORD2:45 pmChicago O'Hare Intl

$947

Air Canada

Apr 8

ORD3:40 pmChicago O'Hare Intl

24h 25m

1 stop

BNE7:05 amBrisbane

Apr 15

BNE10:00 amBrisbane

19h 43m

1 stop

ORD2:43 pmChicago O'Hare Intl

$948

Air Canada

Jun 2

ORD8:45 amChicago O'Hare Intl

31h 20m

2 stops

BNE7:05 amBrisbane

Jun 16

BNE10:00 amBrisbane

19h 45m

1 stop

ORD2:45 pmChicago O'Hare Intl

$951

Turkish Airlines flights from Chicago to Australia

Our best Turkish Airlines deals on Chicago to Australia flight tickets

Turkish Airlines

Mar 11

ORD9:20 pmChicago O'Hare Intl

31h 35m

2 stops

MEL8:55 pmMelbourne

Mar 25

MEL10:40 pmMelbourne

36h 45m

2 stops

ORD7:25 pmChicago O'Hare Intl

$1,299

Turkish Airlines

Mar 11

ORD12:50 pmChicago O'Hare Intl

40h 05m

2 stops

MEL8:55 pmMelbourne

Mar 25

MEL10:40 pmMelbourne

36h 45m

2 stops

ORD7:25 pmChicago O'Hare Intl

$1,300

Turkish Airlines

Mar 23

ORD12:50 pmChicago O'Hare Intl

40h 05m

2 stops

MEL8:55 pmMelbourne

Apr 8

MEL9:35 pmMelbourne

35h 40m

2 stops

ORD6:15 pmChicago O'Hare Intl

$1,301

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 6/2

3:40 pm-7:05 am

1 stop24h 25m

Brisbane

Tue 6/16

10:00 am-2:45 pm

1 stop19h 45m

$947

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 2/24

3:35 pm-8:45 am

1 stop25h 10m

Brisbane

Wed 3/11

9:45 am-2:41 pm

1 stop19h 56m

$948

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 6/2

8:45 am-7:05 am

2 stops31h 20m

Brisbane

Tue 6/16

10:00 am-2:45 pm

1 stop19h 45m

$951

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 2/1

6:00 pm-8:50 pm

2 stops33h 50m

Sydney Kingsford Smith

Sat 2/14

11:20 am-9:35 pm

1 stop27h 15m

$962

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 4/30

6:00 am-7:30 am

1 stop34h 30m

Sydney Kingsford Smith

Thu 5/21

1:15 pm-6:46 am

2 stops32h 31m

$1,041

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 3/24

7:31 pm-7:25 am

1 stop43h 54m

Sydney Kingsford Smith

Tue 4/14

1:15 pm-6:46 am

2 stops32h 31m

$1,052

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Mon 2/2

5:10 pm-5:15 pm

2 stops31h 05m

Melbourne

Fri 2/20

12:00 pm-5:46 pm

1 stop22h 46m

$1,082

ChicagoBrisbane

MDW - BNE

MDWBNE

Chicago Midway

Wed 1/28

1:26 pm-8:20 am

2 stops26h 54m

Brisbane

Sun 2/8

10:40 am-10:22 pm

2 stops27h 42m

$1,165

ChicagoBrisbane

MDW - BNE

MDWBNE

Chicago Midway

Tue 2/24

6:40 pm-8:20 am

2 stops45h 40m

Brisbane

Wed 3/11

10:05 am-6:40 pm

2 stops23h 35m

$1,179

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 3/9

6:04 am-2:45 pm

3 stops43h 41m

Perth

Mon 3/16

5:05 pm-10:56 pm

3 stops42h 51m

$1,540

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 Chicago to Australia

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

What is the cheapest month to fly to Australia?

The month of June is, on average, the cheapest month to fly to Australia from Chicago, with most prices found around $864. If you aren’t able to travel during the month of June, then book flights to Australia from Chicago during May instead. Flights to Australia in May, while not as cheap as those in June, still average around $868.

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

You are more likely to see cheaper flights to Australia from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,098 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Chicago for as low as $911 on momondo.

Can stopping save me money on Chicago to Australia flights?

You could potentially save up to 28% on your flight if you consider stops on a Chicago to Australia flight.

Cheap Chicago to Australia flight deals and tips

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

Fastest flight time	22h 14m
Direct flights	None

The fastest flight from Chicago to Australia takes 22h 14m

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

Search flight deals

When did momondo last update prices for flights from Chicago to Australia?
Prices for flights from Chicago to Australia were last updated today.
How many operators does momondo search for flights from Chicago to Australia?
The number of operators available for flights from Chicago to Australia is 10 as of January 2026.
How old do you have to be to fly from Chicago to Australia?
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 Chicago to Australia.
What documentation or ID do you need to fly to Australia?
The travel and health documents required for your trip to Australia 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 Australia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Chicago to Australia

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

Airline	Rating	Free Cancellation	Price
Qantas Airways	PriceFrom $675	Free Cancellation	Rating 7.5 974 reviews	Search Qantas Airways flights
ANA	PriceFrom $703	Free Cancellation	Rating 8.4 1,078 reviews	Search ANA flights
American Airlines	PriceFrom $796	Free Cancellation	Rating 7.2 11,177 reviews	Search American Airlines flights
Fiji Airways	PriceFrom $796	Free Cancellation	Rating 8.0 221 reviews	Search Fiji Airways flights
Air Canada	PriceFrom $851	Free Cancellation	Rating 7.1 10,648 reviews	Search Air Canada flights
United Airlines	PriceFrom $870	Free Cancellation	Rating 7.4 9,193 reviews	Search United Airlines flights
Delta	PriceFrom $935	Free Cancellation	Rating 7.9 8,089 reviews	Search Delta flights
Air New Zealand	PriceFrom $1,217	Free Cancellation	Rating 8.0 573 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,229	Free Cancellation	Rating 7.4 3,720 reviews	Search Qatar Airways flights
Cathay Pacific	PriceFrom $1,418	Free Cancellation	Rating 7.6 1,141 reviews	Search Cathay Pacific flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Australia from Chicago.

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

Flights from Chicago to Australia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Australia.

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

Of course. momondo tracks the price of Chicago to Australia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.