What airlines fly to Australia?

Qantas Airways, United Airlines and Air Canada 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 44% 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.

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

ANA, Air Canada, and Qantas Airways are the most popular carriers operating from Chicago to Australia

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 June 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.

$532 Cheap Flights from Chicago to Australia in 2026

Discover deals from 900+ travel sites with momondo.

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.

7:15 am - 12:00 pm

ORD

MEL

37h 45m

3 stops

1:20 pm - 6:19 am

MEL

ORD

31h 59m

2 stops

$1,197Multiple Airlines

Wed, Aug 5 - Thu, Sep 3

7:20 am - 12:00 pm

ORD

MEL

37h 40m

3 stops

1:30 pm - 6:17 am

MEL

ORD

31h 47m

2 stops

$1,198Multiple Airlines

Wed, Jul 1 - Fri, Jul 31

6:17 pm - 5:15 pm

ORD

MEL

29h 58m

2 stops

11:15 pm - 2:57 pm

MEL

ORD

32h 42m

1 stop

$1,199Qantas Airways

Thu, Dec 10 - Thu, Jan 7

7:20 am - 12:00 pm

ORD

MEL

37h 40m

3 stops

1:30 pm - 6:17 am

MEL

ORD

31h 47m

2 stops

$1,243Multiple Airlines

Wed, Jul 1 - Fri, Jul 31

8:40 am - 7:05 am

ORD

BNE

31h 25m

2 stops

10:15 am - 9:43 am

BNE

ORD

38h 28m

2 stops

$1,391Air Canada

Tue, Jul 28 - Tue, Sep 15

3:40 pm - 7:05 am

ORD

BNE

24h 25m

1 stop

10:15 am - 2:36 pm

BNE

ORD

19h 21m

1 stop

$1,394Air Canada

Wed, Jul 1 - Tue, Jul 7

3:57 pm - 1:45 pm

ORD

ADL

31h 18m

2 stops

6:05 am - 8:26 pm

ADL

ORD

28h 51m

2 stops

$1,778United Airlines

Thu, Aug 6 - Wed, Aug 19

3:20 pm - 11:15 am

ORD

PER

30h 55m

2 stops

11:45 pm - 3:53 pm

PER

ORD

29h 08m

2 stops

$1,904American Airlines

Fri, Sep 18 - Sun, Sep 27

3:14 pm - 12:05 pm

ORD

PER

31h 51m

2 stops

11:35 am - 6:26 am

PER

ORD

31h 51m

2 stops

$1,912Qantas Airways

Fri, Oct 16 - Sun, Nov 1

3:21 pm - 1:35 pm

ORD

PER

33h 14m

2 stops

11:45 pm - 3:54 pm

PER

ORD

29h 09m

2 stops

$1,916American Airlines

Sun, Aug 2 - Sun, Aug 9

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ANA flights from Chicago to Australia

Our best ANA deals on Chicago to Australia flight tickets

ANA

Aug 24

ORD5:45 pmChicago O'Hare Intl

24h 40m

1 stop

SYD9:25 amSydney Kingsford Smith

Sep 4

SYD11:45 amSydney Kingsford Smith

32h 00m

2 stops

ORD4:45 amChicago O'Hare Intl

$1,305

ANA

Sep 1

ORD7:50 pmChicago O'Hare Intl

32h 20m

2 stops

SYD7:10 pmSydney Kingsford Smith

Sep 8

SYD11:45 amSydney Kingsford Smith

32h 00m

2 stops

ORD4:45 amChicago O'Hare Intl

$1,308

ANA

Aug 24

ORD7:50 pmChicago O'Hare Intl

32h 20m

2 stops

SYD7:10 pmSydney Kingsford Smith

Sep 4

SYD11:45 amSydney Kingsford Smith

32h 00m

2 stops

ORD4:45 amChicago O'Hare Intl

$1,309

Air Canada flights from Chicago to Australia

Our best Air Canada deals on Chicago to Australia flight tickets

Air Canada

Jun 21

ORD3:40 pmChicago O'Hare Intl

24h 40m

1 stop

SYD7:20 amSydney Kingsford Smith

Jul 7

SYD9:20 amSydney Kingsford Smith

20h 16m

1 stop

ORD2:36 pmChicago O'Hare Intl

$1,323

Air Canada

Jun 21

ORD3:40 pmChicago O'Hare Intl

24h 40m

1 stop

SYD7:20 amSydney Kingsford Smith

Jul 7

SYD9:20 amSydney Kingsford Smith

20h 16m

1 stop

ORD2:36 pmChicago O'Hare Intl

$1,327

Air Canada

Jun 21

ORD2:15 pmChicago O'Hare Intl

26h 05m

2 stops

SYD7:20 amSydney Kingsford Smith

Jul 7

SYD9:20 amSydney Kingsford Smith

20h 16m

1 stop

ORD2:36 pmChicago O'Hare Intl

$1,331

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Wed 8/5

7:15 am-12:00 pm

3 stops37h 45m

Melbourne

Thu 9/3

1:20 pm-6:19 am

2 stops31h 59m

$1,197

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Wed 7/1

7:20 am-12:00 pm

3 stops37h 40m

Melbourne

Fri 7/31

1:30 pm-6:17 am

2 stops31h 47m

$1,198

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Thu 12/10

6:17 pm-5:15 pm

2 stops29h 58m

Melbourne

Thu 1/7

11:15 pm-2:57 pm

1 stop32h 42m

$1,199

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Wed 7/1

7:20 am-12:00 pm

3 stops37h 40m

Melbourne

Fri 7/31

1:30 pm-6:17 am

2 stops31h 47m

$1,243

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 7/28

8:40 am-7:05 am

2 stops31h 25m

Brisbane

Tue 9/15

10:15 am-9:43 am

2 stops38h 28m

$1,391

Quickest round-trip

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Wed 7/1

3:40 pm-7:05 am

1 stop24h 25m

Brisbane

Tue 7/7

10:15 am-2:36 pm

1 stop19h 21m

$1,394

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Thu 8/6

3:57 pm-1:45 pm

2 stops31h 18m

Adelaide

Wed 8/19

6:05 am-8:26 pm

2 stops28h 51m

$1,778

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Fri 9/18

3:20 pm-11:15 am

2 stops30h 55m

Perth

Sun 9/27

11:45 pm-3:53 pm

2 stops29h 08m

$1,904

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Fri 10/16

3:14 pm-12:05 pm

2 stops31h 51m

Perth

Sun 11/1

11:35 am-6:26 am

2 stops31h 51m

$1,912

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 8/2

3:21 pm-1:35 pm

2 stops33h 14m

Perth

Sun 8/9

11:45 pm-3:54 pm

2 stops29h 09m

$1,916

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 November is, on average, the cheapest month to fly to Australia from Chicago, with most prices found around $113. If you aren’t able to travel during the month of November, then book flights to Australia from Chicago during May instead. Flights to Australia in May, while not as cheap as those in November, still average around $142.

How far in advance should I book a flight from Chicago 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 $1,405 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 $1,120 on momondo.

Can stopping save me money on Chicago to Australia flights?

You could potentially save up to 25% 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	20h 17m
Direct flights	None

The fastest flight from Chicago to Australia takes 20h 17m

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

Search flight deals

Frequently asked questions about flying from Chicago to Australia

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 June 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
American Airlines	PriceFrom $198	Free Cancellation	Rating 7.1 11,663 reviews	Search American Airlines flights
Delta	PriceFrom $261	Free Cancellation	Rating 7.9 8,403 reviews	Search Delta flights
Air Canada	PriceFrom $712	Free Cancellation	Rating 7.1 11,197 reviews	Search Air Canada flights
Fiji Airways	PriceFrom $716	Free Cancellation	Rating 8.1 244 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $836	Free Cancellation	Rating 7.5 1,046 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $870	Free Cancellation	Rating 7.4 9,841 reviews	Search United Airlines flights
ANA	PriceFrom $1,193	Free Cancellation	Rating 8.3 1,236 reviews	Search ANA flights
Qatar Airways	PriceFrom $1,263	Free Cancellation	Rating 7.3 3,727 reviews	Search Qatar Airways flights
Air New Zealand	PriceFrom $1,264	Free Cancellation	Rating 8.0 645 reviews	Search Air New Zealand flights
Cathay Pacific	PriceFrom $1,560	Free Cancellation	Rating 7.6 1,380 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.