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?

Cathay Pacific, Qatar Airways, 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 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.

$539 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.

10:45 pm - 7:20 amORD Chicago O'Hare Intl-PER Perth

42h 35m1 stop Manila Ninoy Aquino Intl

8:35 am - 4:55 pmPER Perth-ORD Chicago O'Hare Intl

22h 20m1 stop Manila Ninoy Aquino Intl

$1,187Philippine Airlines

Wed, Feb 24 - Mon, Mar 1

8:59 am - 12:25 pmORD Chicago O'Hare Intl-MEL Melbourne

34h 26m3 stops Dallas/Fort Worth Los Angeles Nadi

1:45 pm - 12:21 amMEL Melbourne-ORD Chicago O'Hare Intl

27h 36m3 stops Nadi Los Angeles Denver Intl

$1,216Multiple Airlines

Wed, Nov 4 - Wed, Nov 11

8:45 am - 7:00 amORD Chicago O'Hare Intl-BNE Brisbane

30h 15m2 stops Los Angeles Auckland Intl

9:35 am - 9:11 pmBNE Brisbane-ORD Chicago O'Hare Intl

26h 36m2 stops Auckland Intl Houston George Bush Intcntl

$1,253Air New Zealand

Wed, Jan 27 - Wed, Jun 2

1:55 pm - 7:00 amORD Chicago O'Hare Intl-BNE Brisbane

25h 05m2 stops Los Angeles Auckland Intl

12:20 pm - 9:46 pmBNE Brisbane-ORD Chicago O'Hare Intl

24h 26m2 stops Auckland Intl Los Angeles

$1,253Air New Zealand

Wed, Jan 27 - Tue, Jun 1

8:40 am - 8:45 amORD Chicago O'Hare Intl-BNE Brisbane

32h 05m2 stops Calgary Vancouver Intl

10:45 am - 2:37 pmBNE Brisbane-ORD Chicago O'Hare Intl

19h 52m1 stop Vancouver Intl

$1,367Air Canada

Wed, Nov 4 - Wed, Nov 25

7:50 pm - 12:05 amORD Chicago O'Hare Intl-PER Perth

39h 15m2 stops Doha Hamad Intl Brisbane

10:45 pm - 3:05 pmPER Perth-ORD Chicago O'Hare Intl

29h 20m1 stop Doha Hamad Intl

$1,367Qatar Airways

Wed, Mar 17 - Mon, Mar 29

8:49 am - 8:45 amORD Chicago O'Hare Intl-BNE Brisbane

31h 56m1 stop Vancouver Intl

10:45 am - 7:59 pmBNE Brisbane-ORD Chicago O'Hare Intl

25h 14m1 stop Vancouver Intl

$1,368Air Canada

Wed, Nov 4 - Wed, Nov 25

6:50 pm - 6:45 pmORD Chicago O'Hare Intl-PER Perth

33h 55m1 stop Doha Hamad Intl

1:20 pm - 2:30 pmPER Perth-ORD Chicago O'Hare Intl

39h 10m2 stops Brisbane Doha Hamad Intl

$1,373Qatar Airways

Wed, Feb 10 - Wed, Feb 17

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

24h 40m1 stop Tokyo Haneda

8:55 pm - 8:40 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

26h 45m1 stop Tokyo Haneda

$1,449ANA

Sun, Apr 4 - Mon, Apr 12

5:25 pm - 10:30 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

25h 05m1 stop Tokyo Haneda

8:55 pm - 8:40 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

26h 45m1 stop Tokyo Haneda

$1,480ANA

Mon, Mar 15 - Wed, Apr 14

Cheap last minute flights

Enter your travel dates to find the best prices.

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

34h 00m2 stops Los Angeles Manila Ninoy Aquino Intl

11:15 am - 5:40 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

34h 25m2 stops Manila Ninoy Aquino Intl Los Angeles

$1,347Multiple Airlines

Tue, Oct 13 - Fri, Oct 23

6:00 am - 9:00 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

35h 00m2 stops Los Angeles Manila Ninoy Aquino Intl

11:15 am - 5:00 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

33h 45m2 stops Manila Ninoy Aquino Intl Los Angeles

$1,347Multiple Airlines

Tue, Oct 13 - Fri, Oct 23

3:50 pm - 8:00 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

24h 10m1 stop Los Angeles

11:55 am - 12:55 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

29h 00m2 stops Auckland Intl San Francisco

$1,566Air New Zealand

Mon, Oct 12 - Mon, Oct 19

6:06 pm - 8:00 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

21h 54m1 stop Los Angeles

11:50 am - 12:59 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

29h 09m2 stops Auckland Intl San Francisco

$1,566Air New Zealand

Mon, Oct 12 - Sun, Oct 25

3:40 pm - 7:05 amORD Chicago O'Hare Intl-BNE Brisbane

24h 25m1 stop Vancouver Intl

10:00 am - 8:06 pmBNE Brisbane-ORD Chicago O'Hare Intl

25h 06m1 stop Vancouver Intl

$1,608Air Canada

Wed, Oct 14 - Tue, Oct 20

3:40 pm - 7:05 amORD Chicago O'Hare Intl-BNE Brisbane

24h 25m1 stop Vancouver Intl

5:05 am - 10:06 pmBNE Brisbane-ORD Chicago O'Hare Intl

32h 01m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,640Air Canada

Wed, Oct 14 - Tue, Oct 20

2:32 pm - 7:55 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

25h 23m1 stop San Francisco

10:30 am - 2:36 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

20h 06m1 stop Los Angeles

$1,650United Airlines

Sun, Oct 11 - Mon, Oct 19

2:00 pm - 8:00 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

26h 00m1 stop Los Angeles

11:20 am - 2:50 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

19h 30m1 stop San Francisco

$1,650United Airlines

Sun, Oct 11 - Wed, Oct 21

2:45 pm - 8:50 amORD Chicago O'Hare Intl-MEL Melbourne

26h 05m1 stop Los Angeles

11:00 am - 5:50 pmMEL Melbourne-ORD Chicago O'Hare Intl

22h 50m1 stop Los Angeles

$1,650Delta

Wed, Oct 14 - Wed, Oct 21

6:59 pm - 8:50 amORD Chicago O'Hare Intl-MEL Melbourne

21h 51m1 stop Los Angeles

11:00 am - 11:47 pmMEL Melbourne-ORD Chicago O'Hare Intl

28h 47m1 stop Los Angeles

$1,650Delta

Wed, Oct 14 - Wed, Oct 21

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Philippine Airlines flights from Chicago to Australia

Our best Philippine Airlines deals on Chicago to Australia flight tickets

Philippine Airlines

Feb 24

ORD10:45 pmChicago O'Hare Intl

42h 35m

1 stop

PER7:20 amPerth

Mar 1

PER8:35 amPerth

22h 20m

1 stop

ORD4:55 pmChicago O'Hare Intl

$1,187

Philippine Airlines

Mar 12

ORD10:45 pmChicago O'Hare Intl

39h 45m

1 stop

MEL7:30 amMelbourne

Mar 31

MEL9:00 amMelbourne

24h 55m

1 stop

ORD5:55 pmChicago O'Hare Intl

$1,272

Philippine Airlines

Mar 8

ORD10:45 pmChicago O'Hare Intl

39h 45m

1 stop

MEL7:30 amMelbourne

Mar 29

MEL8:00 amMelbourne

25h 55m

1 stop

ORD5:55 pmChicago O'Hare Intl

$1,276

Air Canada flights from Chicago to Australia

Our best Air Canada deals on Chicago to Australia flight tickets

Air Canada

Nov 4

ORD8:40 amChicago O'Hare Intl

32h 05m

2 stops

BNE8:45 amBrisbane

Nov 25

BNE10:45 amBrisbane

19h 52m

1 stop

ORD2:37 pmChicago O'Hare Intl

$1,367

Air Canada

Nov 4

ORD8:49 amChicago O'Hare Intl

31h 56m

1 stop

BNE8:45 amBrisbane

Nov 25

BNE10:45 amBrisbane

25h 14m

1 stop

ORD7:59 pmChicago O'Hare Intl

$1,368

Air Canada

Oct 18

ORD3:40 pmChicago O'Hare Intl

24h 25m

1 stop

BNE7:05 amBrisbane

Nov 1

BNE10:45 amBrisbane

19h 52m

1 stop

ORD3:37 pmChicago O'Hare Intl

$1,372

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 2/24

10:45 pm-7:20 am

1 stop42h 35m

Perth

Mon 3/1

8:35 am-4:55 pm

1 stop22h 20m

$1,187

ChicagoMelbourne

ORD Chicago O'Hare Intl - MEL Melbourne

ORDMEL

Chicago O'Hare Intl

Wed 11/4

8:59 am-12:25 pm

3 stops34h 26m

Melbourne

Wed 11/11

1:45 pm-12:21 am

3 stops27h 36m

$1,216

ChicagoBrisbane

ORD Chicago O'Hare Intl - BNE Brisbane

ORDBNE

Chicago O'Hare Intl

Wed 1/27

8:45 am-7:00 am

2 stops30h 15m

Brisbane

Wed 6/2

9:35 am-9:11 pm

2 stops26h 36m

$1,253

Quickest round-trip

ChicagoBrisbane

ORD Chicago O'Hare Intl - BNE Brisbane

ORDBNE

Chicago O'Hare Intl

Wed 1/27

1:55 pm-7:00 am

2 stops25h 05m

Brisbane

Tue 6/1

12:20 pm-9:46 pm

2 stops24h 26m

$1,253

ChicagoBrisbane

ORD Chicago O'Hare Intl - BNE Brisbane

ORDBNE

Chicago O'Hare Intl

Wed 11/4

8:40 am-8:45 am

2 stops32h 05m

Brisbane

Wed 11/25

10:45 am-2:37 pm

1 stop19h 52m

$1,367

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 3/17

7:50 pm-12:05 am

2 stops39h 15m

Perth

Mon 3/29

10:45 pm-3:05 pm

1 stop29h 20m

$1,367

ChicagoBrisbane

ORD Chicago O'Hare Intl - BNE Brisbane

ORDBNE

Chicago O'Hare Intl

Wed 11/4

8:49 am-8:45 am

1 stop31h 56m

Brisbane

Wed 11/25

10:45 am-7:59 pm

1 stop25h 14m

$1,368

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 2/10

6:50 pm-6:45 pm

1 stop33h 55m

Perth

Wed 2/17

1:20 pm-2:30 pm

2 stops39h 10m

$1,373

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Sun 4/4

5:45 pm-9:25 am

1 stop24h 40m

Sydney Kingsford Smith

Mon 4/12

8:55 pm-8:40 am

1 stop26h 45m

$1,449

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Mon 3/15

5:25 pm-10:30 am

1 stop25h 05m

Sydney Kingsford Smith

Wed 4/14

8:55 pm-8:40 am

1 stop26h 45m

$1,480

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 $1,223. If you aren’t able to travel during the month of February, then book flights to Australia from Chicago during January instead. Flights to Australia in January, while not as cheap as those in February, still average around $1,294.

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 $1,422 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 $1,055 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	$539
Fastest flight time	20h 30m
Direct flights	None

The best one-way flight to Australia from Chicago in the past 72 hours is $539. The best round-trip flight deal from Chicago to Australia found on momondo in the last 72 hours is $1,187.

The fastest flight from Chicago to Australia takes 20h 30m

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 8,645 reviews	Search Delta flights
Air Canada	PriceFrom $712	Free Cancellation	Rating 7.1 11,745 reviews	Search Air Canada flights
Fiji Airways	PriceFrom $716	Free Cancellation	Rating 8.0 259 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $837	Free Cancellation	Rating 7.5 1,104 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $837	Free Cancellation	Rating 7.0 12,145 reviews	Search American Airlines flights
United Airlines	PriceFrom $870	Free Cancellation	Rating 7.4 10,319 reviews	Search United Airlines flights
ANA	PriceFrom $1,193	Free Cancellation	Rating 8.3 1,321 reviews	Search ANA flights
Air New Zealand	PriceFrom $1,217	Free Cancellation	Rating 8.0 671 reviews	Search Air New Zealand flights
Cathay Pacific	PriceFrom $1,560	Free Cancellation	Rating 7.6 1,511 reviews	Search Cathay Pacific flights
Qatar Airways	PriceFrom $1,581	Free Cancellation	Rating 7.3 3,724 reviews	Search Qatar Airways 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.