What airlines fly to Australia?

Qantas Airways, Air Canada 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 48% 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?

Etihad Airways, Qantas Airways, and ANA 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 August 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.

$603 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.

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

33h 00m2 stops Salt Lake City Los Angeles

10:40 am - 1:47 pmBNE Brisbane-ORD Chicago O'Hare Intl

19h 07m1 stop Los Angeles

$1,130Delta

Mon, Feb 8 - Sun, Feb 21

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

33h 00m2 stops Salt Lake City Los Angeles

10:40 am - 1:47 pmBNE Brisbane-ORD Chicago O'Hare Intl

19h 07m1 stop Los Angeles

$1,130Delta

Mon, Feb 8 - Wed, Feb 24

6:20 am - 12:05 pmORD Chicago O'Hare Intl-MEL Melbourne

38h 45m3 stops Atlanta Hartsfield-Jackson Los Angeles Nadi

1:20 pm - 12:45 amMEL Melbourne-ORD Chicago O'Hare Intl

26h 25m3 stops Nadi Los Angeles Dallas/Fort Worth

$1,134Multiple Airlines

Sat, Sep 19 - Thu, Sep 24

11:15 am - 12:00 pmORD Chicago O'Hare Intl-MEL Melbourne

33h 45m3 stops Orlando Los Angeles Nadi

1:30 pm - 11:51 amMEL Melbourne-ORD Chicago O'Hare Intl

37h 21m3 stops Nadi Los Angeles Atlanta Hartsfield-Jackson

$1,154Multiple Airlines

Fri, Sep 18 - Fri, Sep 25

7:00 am - 8:10 pmORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

45h 10m2 stops Los Angeles Tokyo Haneda

12:25 pm - 8:20 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

35h 55m1 stop Tokyo Haneda

$1,199ANA

Sat, Oct 17 - Fri, Oct 30

5:45 pm - 8:10 pmORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

34h 25m1 stop Tokyo Haneda

12:25 pm - 5:20 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

32h 55m2 stops Tokyo Haneda Los Angeles

$1,200ANA

Sun, Oct 18 - Sat, Oct 31

2:10 pm - 8:35 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

25h 25m2 stops Los Angeles Auckland Intl

11:50 am - 8:22 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

25h 32m2 stops Auckland Intl Los Angeles

$1,226Air New Zealand

Mon, Feb 1 - Wed, Mar 3

2:10 pm - 8:35 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

25h 25m2 stops Los Angeles Auckland Intl

11:50 am - 8:22 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

25h 32m2 stops Auckland Intl Los Angeles

$1,226Air New Zealand

Mon, Jan 25 - Wed, Feb 3

9:00 am - 8:45 amORD Chicago O'Hare Intl-BNE Brisbane

31h 45m2 stops Calgary Vancouver Intl

10:45 am - 4:50 pmBNE Brisbane-ORD Chicago O'Hare Intl

22h 05m2 stops Vancouver Intl Calgary

$1,229Air Canada

Tue, Feb 9 - Wed, Feb 24

9:00 am - 8:45 amORD Chicago O'Hare Intl-BNE Brisbane

31h 45m2 stops Calgary Vancouver Intl

10:45 am - 4:38 pmBNE Brisbane-ORD Chicago O'Hare Intl

21h 53m1 stop Vancouver Intl

$1,230Air Canada

Tue, Feb 9 - Wed, Feb 24

Cheap last minute flights

Enter your travel dates to find the best prices.

6:05 am - 7:10 pmMDW Chicago Midway-SYD Sydney Kingsford Smith

46h 05m3 stops Atlanta Hartsfield-Jackson Los Angeles Tokyo Haneda

11:45 am - 10:55 amSYD Sydney Kingsford Smith-MDW Chicago Midway

38h 10m3 stops Tokyo Haneda Los Angeles Atlanta Hartsfield-Jackson

$1,378Multiple Airlines

Tue, Aug 25 - Tue, Sep 1

8:00 pm - 6:10 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

43h 10m1 stop Abu Dhabi Zayed Intl

8:50 pm - 8:35 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

50h 45m1 stop Abu Dhabi Zayed Intl

$1,414Etihad Airways

Tue, Aug 25 - Mon, Sep 21

7:20 pm - 4:50 pmORD Chicago O'Hare Intl-MEL Melbourne

30h 30m1 stop Doha Hamad Intl

4:10 pm - 3:05 pmMEL Melbourne-ORD Chicago O'Hare Intl

37h 55m1 stop Doha Hamad Intl

$1,442Qatar Airways

Thu, Aug 27 - Fri, Sep 4

8:44 am - 7:20 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

31h 36m2 stops Calgary Vancouver Intl

10:20 am - 2:43 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

20h 23m1 stop Vancouver Intl

$1,445Air Canada

Thu, Aug 27 - Sat, Oct 10

8:44 am - 7:20 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

31h 36m2 stops Calgary Vancouver Intl

10:20 am - 7:51 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

37h 31m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,448Air Canada

Thu, Aug 27 - Sat, Oct 10

7:20 pm - 4:50 pmORD Chicago O'Hare Intl-MEL Melbourne

30h 30m1 stop Doha Hamad Intl

4:10 pm - 3:05 pmMEL Melbourne-ORD Chicago O'Hare Intl

37h 55m1 stop Doha Hamad Intl

$1,468Qatar Airways

Thu, Aug 27 - Fri, Sep 4

3:48 pm - 9:35 pmORD Chicago O'Hare Intl-MEL Melbourne

38h 47m2 stops Los Angeles Auckland Intl

12:10 pm - 12:59 amMEL Melbourne-ORD Chicago O'Hare Intl

27h 49m2 stops Auckland Intl Houston George Bush Intcntl

$1,483Air New Zealand

Thu, Aug 27 - Fri, Sep 4

3:48 pm - 8:45 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

25h 57m2 stops Los Angeles Auckland Intl

9:55 am - 9:31 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

27h 36m2 stops Auckland Intl Los Angeles

$1,489Air New Zealand

Thu, Aug 27 - Sat, Oct 10

5:45 pm - 9:25 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

24h 40m1 stop Tokyo Haneda

8:55 pm - 4:29 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

34h 34m2 stops Tokyo Haneda Washington, D.C. Dulles Intl

$1,566ANA

Wed, Aug 26 - Tue, Sep 8

7:50 pm - 7:10 pmORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

32h 20m2 stops Los Angeles Tokyo Haneda

9:45 pm - 8:40 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

26h 55m1 stop Tokyo Haneda

$1,609ANA

Thu, Aug 27 - Sat, Oct 10

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ANA flights from Chicago to Australia

Our best ANA deals on Chicago to Australia flight tickets

ANA

Oct 17

ORD7:00 amChicago O'Hare Intl

45h 10m

2 stops

SYD8:10 pmSydney Kingsford Smith

Oct 30

SYD12:25 pmSydney Kingsford Smith

35h 55m

1 stop

ORD8:20 amChicago O'Hare Intl

$1,199

ANA

Oct 18

ORD5:45 pmChicago O'Hare Intl

34h 25m

1 stop

SYD8:10 pmSydney Kingsford Smith

Oct 31

SYD12:25 pmSydney Kingsford Smith

32h 55m

2 stops

ORD5:20 amChicago O'Hare Intl

$1,200

ANA

Oct 17

ORD7:00 amChicago O'Hare Intl

45h 10m

2 stops

SYD8:10 pmSydney Kingsford Smith

Oct 30

SYD12:25 pmSydney Kingsford Smith

48h 12m

2 stops

ORD8:37 pmChicago O'Hare Intl

$1,202

Air New Zealand flights from Chicago to Australia

Our best Air New Zealand deals on Chicago to Australia flight tickets

Air New Zealand

Jan 25

ORD2:10 pmChicago O'Hare Intl

25h 25m

2 stops

SYD8:35 amSydney Kingsford Smith

Feb 3

SYD11:50 amSydney Kingsford Smith

25h 32m

2 stops

ORD8:22 pmChicago O'Hare Intl

$1,226

Air New Zealand

Oct 21

ORD8:50 amChicago O'Hare Intl

31h 55m

2 stops

SYD8:45 amSydney Kingsford Smith

Nov 9

SYD2:05 pmSydney Kingsford Smith

27h 54m

2 stops

ORD12:59 amChicago O'Hare Intl

$1,236

Air New Zealand

Feb 1

ORD3:51 pmChicago O'Hare Intl

25h 44m

2 stops

SYD10:35 amSydney Kingsford Smith

Mar 3

SYD9:55 amSydney Kingsford Smith

28h 43m

2 stops

ORD9:38 pmChicago O'Hare Intl

$1,237

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBrisbane

ORD Chicago O'Hare Intl - BNE Brisbane

ORDBNE

Chicago O'Hare Intl

Mon 2/8

7:30 am-8:30 am

2 stops33h 00m

Brisbane

Sun 2/21

10:40 am-1:47 pm

1 stop19h 07m

$1,130

ChicagoBrisbane

ORD Chicago O'Hare Intl - BNE Brisbane

ORDBNE

Chicago O'Hare Intl

Mon 2/8

7:30 am-8:30 am

2 stops33h 00m

Brisbane

Wed 2/24

10:40 am-1:47 pm

1 stop19h 07m

$1,130

ChicagoMelbourne

ORD Chicago O'Hare Intl - MEL Melbourne

ORDMEL

Chicago O'Hare Intl

Sat 9/19

6:20 am-12:05 pm

3 stops38h 45m

Melbourne

Thu 9/24

1:20 pm-12:45 am

3 stops26h 25m

$1,134

ChicagoMelbourne

ORD Chicago O'Hare Intl - MEL Melbourne

ORDMEL

Chicago O'Hare Intl

Fri 9/18

11:15 am-12:00 pm

3 stops33h 45m

Melbourne

Fri 9/25

1:30 pm-11:51 am

3 stops37h 21m

$1,154

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Sat 10/17

7:00 am-8:10 pm

2 stops45h 10m

Sydney Kingsford Smith

Fri 10/30

12:25 pm-8:20 am

1 stop35h 55m

$1,199

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Sun 10/18

5:45 pm-8:10 pm

1 stop34h 25m

Sydney Kingsford Smith

Sat 10/31

12:25 pm-5:20 am

2 stops32h 55m

$1,200

Quickest round-trip

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Mon 2/1

2:10 pm-8:35 am

2 stops25h 25m

Sydney Kingsford Smith

Wed 3/3

11:50 am-8:22 pm

2 stops25h 32m

$1,226

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Mon 1/25

2:10 pm-8:35 am

2 stops25h 25m

Sydney Kingsford Smith

Wed 2/3

11:50 am-8:22 pm

2 stops25h 32m

$1,226

ChicagoBrisbane

ORD Chicago O'Hare Intl - BNE Brisbane

ORDBNE

Chicago O'Hare Intl

Tue 2/9

9:00 am-8:45 am

2 stops31h 45m

Brisbane

Wed 2/24

10:45 am-4:50 pm

2 stops22h 05m

$1,229

ChicagoBrisbane

ORD Chicago O'Hare Intl - BNE Brisbane

ORDBNE

Chicago O'Hare Intl

Tue 2/9

9:00 am-8:45 am

2 stops31h 45m

Brisbane

Wed 2/24

10:45 am-4:38 pm

1 stop21h 53m

$1,230

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 February is, on average, the cheapest month to fly to Australia from Chicago, with most prices found around $1,305. If you aren’t able to travel during the month of February, then book flights to Australia from Chicago during June instead. Flights to Australia in June, while not as cheap as those in February, still average around $1,318.

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 $1,435 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 $1,099 on momondo.

Can stopping save me money on Chicago to Australia flights?

You could potentially save up to 14% 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

Best Price Found	$603
Fastest flight time	20h 51m
Direct flights	None

The best one-way flight to Australia from Chicago in the past 72 hours is $603. The best round-trip flight deal from Chicago to Australia found on momondo in the last 72 hours is $1,130.

The fastest flight from Chicago to Australia takes 20h 51m

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 August 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
Delta	PriceFrom $261	Free Cancellation	Rating 7.8 8,530 reviews	Search Delta flights
Air Canada	PriceFrom $649	Free Cancellation	Rating 7.1 11,531 reviews	Search Air Canada flights
Fiji Airways	PriceFrom $716	Free Cancellation	Rating 8.0 256 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $837	Free Cancellation	Rating 7.5 1,085 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $837	Free Cancellation	Rating 7.1 11,993 reviews	Search American Airlines flights
United Airlines	PriceFrom $870	Free Cancellation	Rating 7.4 10,122 reviews	Search United Airlines flights
ANA	PriceFrom $1,193	Free Cancellation	Rating 8.3 1,302 reviews	Search ANA flights
Air New Zealand	PriceFrom $1,264	Free Cancellation	Rating 8.0 664 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,391	Free Cancellation	Rating 7.4 3,733 reviews	Search Qatar Airways flights
Cathay Pacific	PriceFrom $1,560	Free Cancellation	Rating 7.6 1,460 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.