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 47% 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?

Alaska Airlines, Air Canada, and Philippine Airlines 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 October 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.

$591 Cheap Flights from Chicago to Australia in 2026/27

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.

3:35 pm - 8:45 amORD Chicago O'Hare Intl-BNE Brisbane

25h 10m1 stop Vancouver Intl

10:45 am - 2:32 pmBNE Brisbane-ORD Chicago O'Hare Intl

19h 47m1 stop Vancouver Intl

$1,033Air Canada

Tue, Feb 9 - Tue, Feb 16

8:58 am - 8:45 amORD Chicago O'Hare Intl-BNE Brisbane

31h 47m1 stop Vancouver Intl

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

46h 05m2 stops Vancouver Intl Calgary

$1,033Air Canada

Tue, Feb 9 - Tue, Feb 16

5:40 am - 5:50 amORD Chicago O'Hare Intl-BNE Brisbane

32h 10m1 stop Los Angeles

11:25 am - 7:05 amBNE Brisbane-ORD Chicago O'Hare Intl

35h 40m2 stops Nadi Los Angeles

$1,128Multiple Airlines

Sun, Feb 14 - Tue, Mar 2

5:40 am - 5:50 amORD Chicago O'Hare Intl-BNE Brisbane

32h 10m1 stop Los Angeles

11:25 am - 7:05 amBNE Brisbane-ORD Chicago O'Hare Intl

35h 40m2 stops Nadi Los Angeles

$1,164Multiple Airlines

Sat, Feb 13 - Tue, Mar 2

1:24 pm - 9:30 amORD Chicago O'Hare Intl-MEL Melbourne

27h 06m1 stop Los Angeles

10:45 pm - 6:05 amMEL Melbourne-ORD Chicago O'Hare Intl

24h 20m1 stop Los Angeles

$1,182American Airlines

Mon, Nov 23 - Mon, Dec 7

11:45 am - 9:30 amORD Chicago O'Hare Intl-MEL Melbourne

28h 45m1 stop Los Angeles

10:45 pm - 5:59 amMEL Melbourne-ORD Chicago O'Hare Intl

24h 14m2 stops Los Angeles Las Vegas Harry Reid Intl

$1,186American Airlines

Wed, Nov 11 - Mon, Nov 23

4:59 pm - 6:30 amORD Chicago O'Hare Intl-BNE Brisbane

21h 31m1 stop Dallas/Fort Worth

1:10 pm - 4:57 pmBNE Brisbane-ORD Chicago O'Hare Intl

19h 47m1 stop Los Angeles

$1,191Qantas Airways

Wed, Mar 3 - Wed, Mar 10

8:50 pm - 9:30 amORD Chicago O'Hare Intl-MEL Melbourne

43h 40m1 stop Los Angeles

10:45 pm - 3:52 pmMEL Melbourne-ORD Chicago O'Hare Intl

34h 07m1 stop Los Angeles

$1,195Qantas Airways

Sat, Feb 20 - Wed, Mar 10

2:55 pm - 8:00 amORD Chicago O'Hare Intl-MEL Melbourne

24h 05m1 stop Los Angeles

10:10 am - 5:21 pmMEL Melbourne-ORD Chicago O'Hare Intl

24h 11m1 stop Los Angeles

$1,200Delta

Tue, Feb 23 - Mon, Mar 8

2:55 pm - 8:00 amORD Chicago O'Hare Intl-MEL Melbourne

24h 05m1 stop Los Angeles

10:10 am - 11:30 pmMEL Melbourne-ORD Chicago O'Hare Intl

30h 20m1 stop Los Angeles

$1,200Delta

Wed, Feb 17 - Tue, Mar 9

Cheap last minute flights

Enter your travel dates to find the best prices.

3:30 pm - 9:25 pmORD Chicago O'Hare Intl-MEL Melbourne

36h 55m2 stops Vancouver Intl Brisbane

6:05 am - 2:37 pmMEL Melbourne-ORD Chicago O'Hare Intl

25h 32m2 stops Brisbane Vancouver Intl

$1,152Multiple Airlines

Mon, Nov 2 - Wed, Nov 11

7:04 pm - 5:00 amORD Chicago O'Hare Intl-MEL Melbourne

40h 56m1 stop Dallas/Fort Worth

10:45 pm - 5:59 pmMEL Melbourne-ORD Chicago O'Hare Intl

36h 14m1 stop Los Angeles

$1,195Qantas Airways

Mon, Nov 2 - Wed, Nov 11

7:00 am - 8:00 amORD Chicago O'Hare Intl-MEL Melbourne

32h 00m2 stops Detroit Metropolitan Wayne County Los Angeles

10:10 am - 1:37 pmMEL Melbourne-ORD Chicago O'Hare Intl

20h 27m1 stop Los Angeles

$1,205Delta

Mon, Nov 2 - Wed, Nov 11

8:49 am - 2:00 pmORD Chicago O'Hare Intl-MEL Melbourne

36h 11m2 stops Vancouver Intl Brisbane

8:00 am - 7:58 pmMEL Melbourne-ORD Chicago O'Hare Intl

28h 58m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,217Air Canada

Mon, Nov 2 - Wed, Nov 11

7:00 am - 9:50 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

34h 50m2 stops Los Angeles Manila Ninoy Aquino Intl

11:30 am - 4:55 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

46h 25m1 stop Manila Ninoy Aquino Intl

$1,305Multiple Airlines

Thu, Oct 29 - Tue, Nov 10

3:30 pm - 9:35 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

25h 05m1 stop Vancouver Intl

11:20 am - 2:37 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

20h 17m1 stop Vancouver Intl

$1,351Air Canada

Sun, Nov 1 - Mon, Nov 16

5:53 pm - 2:30 pmORD Chicago O'Hare Intl-PER Perth

31h 37m2 stops Los Angeles Melbourne

5:00 am - 6:30 pmPER Perth-ORD Chicago O'Hare Intl

27h 30m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$1,402Qantas Airways

Sat, Oct 31 - Tue, Nov 17

5:52 pm - 9:05 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

22h 13m1 stop Los Angeles

11:20 am - 6:29 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

36h 09m1 stop Los Angeles

$1,437United Airlines

Sun, Nov 1 - Sun, Nov 29

4:20 pm - 9:20 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

24h 00m2 stops Denver Intl San Francisco

11:20 am - 12:05 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

29h 45m1 stop Los Angeles

$1,579United Airlines

Sun, Nov 1 - Sun, Nov 29

7:29 am - 7:00 amORD Chicago O'Hare Intl-MEL Melbourne

31h 31m1 stop Los Angeles

10:10 am - 1:37 pmMEL Melbourne-ORD Chicago O'Hare Intl

20h 27m1 stop Los Angeles

$1,749Delta

Thu, Oct 29 - Sat, Nov 28

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Air New Zealand flights from Chicago to Australia

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

Air New Zealand

Jan 29

ORD3:35 pmChicago O'Hare Intl

31h 55m

2 stops

BNE3:30 pmBrisbane

Feb 14

BNE10:45 amBrisbane

19h 47m

1 stop

ORD2:32 pmChicago O'Hare Intl

$1,166

Air New Zealand

Jan 29

ORD8:58 amChicago O'Hare Intl

38h 32m

2 stops

BNE3:30 pmBrisbane

Feb 14

BNE10:45 amBrisbane

22h 58m

2 stops

ORD5:43 pmChicago O'Hare Intl

$1,174

Air New Zealand

Jan 29

ORD3:35 pmChicago O'Hare Intl

31h 55m

2 stops

BNE3:30 pmBrisbane

Feb 14

BNE10:45 amBrisbane

22h 58m

2 stops

ORD5:43 pmChicago O'Hare Intl

$1,181

Air Canada flights from Chicago to Australia

Our best Air Canada deals on Chicago to Australia flight tickets

Air Canada

Feb 9

ORD3:35 pmChicago O'Hare Intl

25h 10m

1 stop

BNE8:45 amBrisbane

Feb 16

BNE10:45 amBrisbane

19h 47m

1 stop

ORD2:32 pmChicago O'Hare Intl

$1,033

Air Canada

Feb 9

ORD10:33 amChicago O'Hare Intl

30h 12m

2 stops

BNE8:45 amBrisbane

Feb 16

BNE10:45 amBrisbane

46h 05m

2 stops

ORD4:50 pmChicago O'Hare Intl

$1,036

Air Canada

Apr 3

ORD5:50 pmChicago O'Hare Intl

46h 15m

2 stops

BNE7:05 amBrisbane

Apr 11

BNE10:00 amBrisbane

33h 51m

2 stops

ORD4:51 amChicago O'Hare Intl

$1,053

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBrisbane

ORD Chicago O'Hare Intl - BNE Brisbane

ORDBNE

Chicago O'Hare Intl

Tue 2/9

3:35 pm-8:45 am

1 stop25h 10m

Brisbane

Tue 2/16

10:45 am-2:32 pm

1 stop19h 47m

$1,033

ChicagoBrisbane

ORD Chicago O'Hare Intl - BNE Brisbane

ORDBNE

Chicago O'Hare Intl

Tue 2/9

8:58 am-8:45 am

1 stop31h 47m

Brisbane

Tue 2/16

10:45 am-4:50 pm

2 stops46h 05m

$1,033

ChicagoBrisbane

ORD Chicago O'Hare Intl - BNE Brisbane

ORDBNE

Chicago O'Hare Intl

Sun 2/14

5:40 am-5:50 am

1 stop32h 10m

Brisbane

Tue 3/2

11:25 am-7:05 am

2 stops35h 40m

$1,128

ChicagoBrisbane

ORD Chicago O'Hare Intl - BNE Brisbane

ORDBNE

Chicago O'Hare Intl

Sat 2/13

5:40 am-5:50 am

1 stop32h 10m

Brisbane

Tue 3/2

11:25 am-7:05 am

2 stops35h 40m

$1,164

ChicagoMelbourne

ORD Chicago O'Hare Intl - MEL Melbourne

ORDMEL

Chicago O'Hare Intl

Mon 11/23

1:24 pm-9:30 am

1 stop27h 06m

Melbourne

Mon 12/7

10:45 pm-6:05 am

1 stop24h 20m

$1,182

ChicagoMelbourne

ORD Chicago O'Hare Intl - MEL Melbourne

ORDMEL

Chicago O'Hare Intl

Wed 11/11

11:45 am-9:30 am

1 stop28h 45m

Melbourne

Mon 11/23

10:45 pm-5:59 am

2 stops24h 14m

$1,186

Quickest round-trip

ChicagoBrisbane

ORD Chicago O'Hare Intl - BNE Brisbane

ORDBNE

Chicago O'Hare Intl

Wed 3/3

4:59 pm-6:30 am

1 stop21h 31m

Brisbane

Wed 3/10

1:10 pm-4:57 pm

1 stop19h 47m

$1,191

ChicagoMelbourne

ORD Chicago O'Hare Intl - MEL Melbourne

ORDMEL

Chicago O'Hare Intl

Sat 2/20

8:50 pm-9:30 am

1 stop43h 40m

Melbourne

Wed 3/10

10:45 pm-3:52 pm

1 stop34h 07m

$1,195

ChicagoMelbourne

ORD Chicago O'Hare Intl - MEL Melbourne

ORDMEL

Chicago O'Hare Intl

Tue 2/23

2:55 pm-8:00 am

1 stop24h 05m

Melbourne

Mon 3/8

10:10 am-5:21 pm

1 stop24h 11m

$1,200

ChicagoMelbourne

ORD Chicago O'Hare Intl - MEL Melbourne

ORDMEL

Chicago O'Hare Intl

Wed 2/17

2:55 pm-8:00 am

1 stop24h 05m

Melbourne

Tue 3/9

10:10 am-11:30 pm

1 stop30h 20m

$1,200

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 January is, on average, the cheapest month to fly to Australia from Chicago, with most prices found around $1,218. If you aren’t able to travel during the month of January, then book flights to Australia from Chicago during February instead. Flights to Australia in February, while not as cheap as those in January, still average around $1,223.

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 $1,474 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 $1,081 on momondo.

Can stopping save me money on Chicago to Australia flights?

You could potentially save up to 9% 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	$591
Fastest flight time	21h 20m
Direct flights	None

The best one-way flight to Australia from Chicago in the past 72 hours is $591. The best round-trip flight deal from Chicago to Australia found on momondo in the last 72 hours is $1,033.

The fastest flight from Chicago to Australia takes 21h 20m

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 October 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 $237	Free Cancellation	Rating 7.8 8,683 reviews	Search Delta flights
Air Canada	PriceFrom $712	Free Cancellation	Rating 7.1 11,819 reviews	Search Air Canada flights
Fiji Airways	PriceFrom $716	Free Cancellation	Rating 8.0 261 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $837	Free Cancellation	Rating 7.5 1,118 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $837	Free Cancellation	Rating 7.0 12,191 reviews	Search American Airlines flights
United Airlines	PriceFrom $870	Free Cancellation	Rating 7.3 10,443 reviews	Search United Airlines flights
ANA	PriceFrom $1,209	Free Cancellation	Rating 8.3 1,338 reviews	Search ANA flights
Air New Zealand	PriceFrom $1,217	Free Cancellation	Rating 8.0 676 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,218	Free Cancellation	Rating 7.3 3,708 reviews	Search Qatar Airways flights
Cathay Pacific	PriceFrom $1,560	Free Cancellation	Rating 7.6 1,527 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.