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 46% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 9 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?

Air Canada, Delta, and Singapore 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 9 as of March 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.

$464 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.

3:00 pm - 10:40 am

ORD

BNE

28h 40m

2 stops

11:55 am - 5:35 am

BNE

ORD

32h 40m

2 stops

$876Multiple Airlines

Sat, May 2 - Sat, May 9

3:00 pm - 10:40 am

ORD

BNE

28h 40m

2 stops

11:55 am - 5:35 am

BNE

ORD

32h 40m

2 stops

$888Multiple Airlines

Sat, May 2 - Sat, May 9

7:30 am - 10:40 am

ORD

BNE

36h 10m

2 stops

11:35 am - 10:04 pm

BNE

ORD

25h 29m

2 stops

$892Multiple Airlines

Tue, May 5 - Tue, May 12

3:40 pm - 7:05 am

ORD

BNE

24h 25m

1 stop

10:15 am - 2:45 pm

BNE

ORD

19h 30m

1 stop

$919Air Canada

Tue, Jun 2 - Tue, Jun 16

11:05 am - 7:05 am

ORD

BNE

29h 00m

2 stops

10:15 am - 2:45 pm

BNE

ORD

19h 30m

1 stop

$922Air Canada

Tue, Jun 2 - Tue, Jun 16

6:56 pm - 7:20 pm

ORD

MEL

33h 24m

2 stops

7:30 am - 9:14 pm

MEL

ORD

28h 44m

2 stops

$1,137Fiji Airways

Sat, May 2 - Sat, May 9

2:00 pm - 7:50 am

MDW

MEL

26h 50m

2 stops

12:00 pm - 6:37 pm

MEL

MDW

23h 37m

2 stops

$1,512Delta

Wed, Jul 1 - Wed, Nov 4

1:59 pm - 6:50 am

MDW

SYD

25h 51m

2 stops

9:15 am - 5:56 pm

SYD

MDW

23h 41m

2 stops

$1,512Delta

Thu, May 7 - Wed, May 20

8:50 pm - 2:10 pm

ORD

AVV

50h 20m

2 stops

8:50 am - 2:22 pm

AVV

ORD

44h 32m

2 stops

$2,039Qantas Airways

Sun, Jun 28 - Fri, Jul 10

6:59 pm - 2:10 pm

ORD

AVV

28h 11m

2 stops

8:50 am - 2:22 pm

AVV

ORD

44h 32m

2 stops

$2,041Qantas Airways

Sun, Jun 28 - Fri, Jul 10

Delta flights from Chicago to Australia

Our best Delta deals on Chicago to Australia flight tickets

Delta

May 7

MDW1:59 pmChicago Midway

25h 51m

2 stops

SYD6:50 amSydney Kingsford Smith

May 20

SYD9:15 amSydney Kingsford Smith

23h 41m

2 stops

MDW5:56 pmChicago Midway

$1,512

Delta

May 28

MDW1:22 pmChicago Midway

26h 28m

2 stops

SYD6:50 amSydney Kingsford Smith

Jun 8

SYD9:15 amSydney Kingsford Smith

23h 50m

2 stops

MDW6:05 pmChicago Midway

$1,513

Delta

May 10

MDW1:22 pmChicago Midway

26h 28m

2 stops

SYD6:50 amSydney Kingsford Smith

May 24

SYD9:15 amSydney Kingsford Smith

23h 41m

2 stops

MDW5:56 pmChicago Midway

$1,514

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

BNE10:15 amBrisbane

19h 30m

1 stop

ORD2:45 pmChicago O'Hare Intl

$919

Air Canada

Jun 2

ORD11:05 amChicago O'Hare Intl

29h 00m

2 stops

BNE7:05 amBrisbane

Jun 16

BNE10:15 amBrisbane

19h 30m

1 stop

ORD2:45 pmChicago O'Hare Intl

$922

Air Canada

Jun 2

ORD8:40 amChicago O'Hare Intl

31h 25m

2 stops

BNE7:05 amBrisbane

Jun 16

BNE10:15 amBrisbane

41h 52m

2 stops

ORD1:07 pmChicago O'Hare Intl

$929

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Sat 5/2

3:00 pm-10:40 am

2 stops28h 40m

Brisbane

Sat 5/9

11:55 am-5:35 am

2 stops32h 40m

$876

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Sat 5/2

3:00 pm-10:40 am

2 stops28h 40m

Brisbane

Sat 5/9

11:55 am-5:35 am

2 stops32h 40m

$888

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 5/5

7:30 am-10:40 am

2 stops36h 10m

Brisbane

Tue 5/12

11:35 am-10:04 pm

2 stops25h 29m

$892

Quickest round-trip

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 6/2

3:40 pm-7:05 am

1 stop24h 25m

Brisbane

Tue 6/16

10:15 am-2:45 pm

1 stop19h 30m

$919

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 6/2

11:05 am-7:05 am

2 stops29h 00m

Brisbane

Tue 6/16

10:15 am-2:45 pm

1 stop19h 30m

$922

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Sat 5/2

6:56 pm-7:20 pm

2 stops33h 24m

Melbourne

Sat 5/9

7:30 am-9:14 pm

2 stops28h 44m

$1,137

ChicagoMelbourne

MDW - MEL

MDWMEL

Chicago Midway

Wed 7/1

2:00 pm-7:50 am

2 stops26h 50m

Melbourne

Wed 11/4

12:00 pm-6:37 pm

2 stops23h 37m

$1,512

ChicagoSydney

MDW - SYD

MDWSYD

Chicago Midway

Thu 5/7

1:59 pm-6:50 am

2 stops25h 51m

Sydney Kingsford Smith

Wed 5/20

9:15 am-5:56 pm

2 stops23h 41m

$1,512

ChicagoMelbourne

ORD - AVV

ORDAVV

Chicago O'Hare Intl

Sun 6/28

8:50 pm-2:10 pm

2 stops50h 20m

Melbourne Avalon

Fri 7/10

8:50 am-2:22 pm

2 stops44h 32m

$2,039

ChicagoMelbourne

ORD - AVV

ORDAVV

Chicago O'Hare Intl

Sun 6/28

6:59 pm-2:10 pm

2 stops28h 11m

Melbourne Avalon

Fri 7/10

8:50 am-2:22 pm

2 stops44h 32m

$2,041

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 $1,149. If you aren’t able to travel during the month of February, then book flights to Australia from Chicago during September instead. Flights to Australia in September, while not as cheap as those in February, still average around $1,355.

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 $1,341 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 $1,058 on momondo.

Can stopping save me money on Chicago to Australia flights?

You could potentially save up to 20% 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	21h 31m
Direct flights	None

The fastest flight from Chicago to Australia takes 21h 31m

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 9 as of March 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 11,487 reviews	Search American Airlines flights
Air Canada	PriceFrom $712	Free Cancellation	Rating 7.1 10,834 reviews	Search Air Canada flights
Fiji Airways	PriceFrom $795	Free Cancellation	Rating 8.1 234 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $815	Free Cancellation	Rating 7.5 1,007 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $870	Free Cancellation	Rating 7.4 9,458 reviews	Search United Airlines flights
ANA	PriceFrom $1,177	Free Cancellation	Rating 8.4 1,138 reviews	Search ANA flights
Air New Zealand	PriceFrom $1,217	Free Cancellation	Rating 8.0 616 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,263	Free Cancellation	Rating 7.4 3,733 reviews	Search Qatar Airways flights
Cathay Pacific	PriceFrom $1,470	Free Cancellation	Rating 7.6 1,222 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.