What airlines fly to Australia?

Qantas Airways, American Airlines 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 45% 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?

Delta, Singapore Airlines, and Qatar 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 January 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.

$489 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.

3:35 pm - 8:45 am

ORD

BNE

25h 10m

1 stop

9:45 am - 2:41 pm

BNE

ORD

19h 56m

1 stop

$947Air Canada

mar., feb. 24 - mié., mar. 11

7:15 am - 8:45 am

ORD

BNE

33h 30m

2 stops

9:45 am - 2:41 pm

BNE

ORD

19h 56m

1 stop

$951Air Canada

mar., feb. 24 - mié., mar. 11

8:45 am - 7:05 am

ORD

BNE

31h 20m

2 stops

10:00 am - 2:41 pm

BNE

ORD

19h 41m

1 stop

$980Air New Zealand

mar., jul. 7 - dom., jul. 19

8:45 am - 7:05 am

ORD

BNE

31h 20m

2 stops

10:00 am - 8:05 pm

BNE

ORD

25h 05m

2 stops

$983Air New Zealand

mar., jul. 7 - dom., jul. 19

8:50 am - 8:50 pm

ORD

SYD

43h 00m

2 stops

11:20 am - 5:46 pm

SYD

ORD

23h 26m

1 stop

$984Qantas Airways

dom., feb. 8 - lun., feb. 23

5:55 pm - 7:35 am

ORD

SYD

45h 40m

2 stops

9:25 pm - 5:05 pm

SYD

ORD

35h 40m

1 stop

$991Qantas Airways

mar., mar. 10 - mar., mar. 24

12:45 pm - 8:20 am

MDW

BNE

27h 35m

2 stops

10:05 am - 6:40 pm

BNE

MDW

23h 35m

2 stops

$1,165Delta

mié., mar. 4 - mié., mar. 11

6:40 pm - 8:20 am

MDW

BNE

45h 40m

2 stops

10:05 am - 6:40 pm

BNE

MDW

23h 35m

2 stops

$1,179Delta

mar., feb. 24 - mié., mar. 11

2:35 pm - 9:30 am

ORD

ADL

26h 25m

1 stop

1:55 pm - 8:15 pm

ADL

ORD

21h 50m

1 stop

$1,215United Airlines

jue., feb. 26 - mié., mar. 11

4:20 pm - 9:30 am

ORD

ADL

24h 40m

1 stop

1:55 pm - 11:08 pm

ADL

ORD

24h 43m

2 stops

$1,219United Airlines

jue., feb. 26 - mié., mar. 11

Singapore Airlines flights from Chicago to Australia

Our best Singapore Airlines deals on Chicago to Australia flight tickets

Singapore Airlines

Jun 1

ORD8:20 pmChicago O'Hare Intl

44h 00m

1 stop

SYD7:20 amSydney Kingsford Smith

Jul 23

SYD7:00 amSydney Kingsford Smith

37h 38m

2 stops

ORD5:38 amChicago O'Hare Intl

$1,170

Singapore Airlines

Jun 1

ORD3:40 pmChicago O'Hare Intl

28h 00m

2 stops

SYD10:40 amSydney Kingsford Smith

Jul 23

SYD6:30 amSydney Kingsford Smith

38h 08m

2 stops

ORD5:38 amChicago O'Hare Intl

$1,182

Singapore Airlines

Jan 28

ORD9:40 amChicago O'Hare Intl

42h 05m

3 stops

BNE7:45 pmBrisbane

Feb 8

BNE2:35 pmBrisbane

44h 56m

3 stops

ORD7:31 pmChicago O'Hare Intl

$2,714

Qantas Airways flights from Chicago to Australia

Our best Qantas Airways deals on Chicago to Australia flight tickets

Qantas Airways

Feb 8

ORD8:50 amChicago O'Hare Intl

43h 00m

2 stops

SYD8:50 pmSydney Kingsford Smith

Feb 23

SYD11:20 amSydney Kingsford Smith

23h 26m

1 stop

ORD5:46 pmChicago O'Hare Intl

$984

Qantas Airways

Mar 10

ORD5:55 pmChicago O'Hare Intl

45h 40m

2 stops

SYD7:35 amSydney Kingsford Smith

Mar 24

SYD9:25 pmSydney Kingsford Smith

35h 40m

1 stop

ORD5:05 pmChicago O'Hare Intl

$991

Qantas Airways

Feb 23

ORD1:24 pmChicago O'Hare Intl

51h 41m

2 stops

SYD10:05 amSydney Kingsford Smith

Mar 3

SYD11:20 amSydney Kingsford Smith

20h 33m

1 stop

ORD2:53 pmChicago O'Hare Intl

$995

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

mar. 2/24

3:35 pm-8:45 am

1 stop25h 10m

Brisbane

mié. 3/11

9:45 am-2:41 pm

1 stop19h 56m

$947

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

mar. 2/24

7:15 am-8:45 am

2 stops33h 30m

Brisbane

mié. 3/11

9:45 am-2:41 pm

1 stop19h 56m

$951

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

mar. 7/7

8:45 am-7:05 am

2 stops31h 20m

Brisbane

dom. 7/19

10:00 am-2:41 pm

1 stop19h 41m

$980

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

mar. 7/7

8:45 am-7:05 am

2 stops31h 20m

Brisbane

dom. 7/19

10:00 am-8:05 pm

2 stops25h 05m

$983

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

dom. 2/8

8:50 am-8:50 pm

2 stops43h 00m

Sydney Kingsford Smith

lun. 2/23

11:20 am-5:46 pm

1 stop23h 26m

$984

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

mar. 3/10

5:55 pm-7:35 am

2 stops45h 40m

Sydney Kingsford Smith

mar. 3/24

9:25 pm-5:05 pm

1 stop35h 40m

$991

ChicagoBrisbane

MDW - BNE

MDWBNE

Chicago Midway

mié. 3/4

12:45 pm-8:20 am

2 stops27h 35m

Brisbane

mié. 3/11

10:05 am-6:40 pm

2 stops23h 35m

$1,165

ChicagoBrisbane

MDW - BNE

MDWBNE

Chicago Midway

mar. 2/24

6:40 pm-8:20 am

2 stops45h 40m

Brisbane

mié. 3/11

10:05 am-6:40 pm

2 stops23h 35m

$1,179

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

jue. 2/26

2:35 pm-9:30 am

1 stop26h 25m

Adelaide

mié. 3/11

1:55 pm-8:15 pm

1 stop21h 50m

$1,215

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

jue. 2/26

4:20 pm-9:30 am

1 stop24h 40m

Adelaide

mié. 3/11

1:55 pm-11:08 pm

2 stops24h 43m

$1,219

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 June is, on average, the cheapest month to fly to Australia from Chicago, with most prices found around $864. If you aren’t able to travel during the month of June, then book flights to Australia from Chicago during May instead. Flights to Australia in May, while not as cheap as those in June, still average around $868.

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 $1,098 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 $911 on momondo.

Can stopping save me money on Chicago to Australia flights?

You could potentially save up to 28% 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 01m
Direct flights	None

The fastest flight from Chicago to Australia takes 21h 01m

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 10 as of January 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
Qantas Airways	PriceFrom $675	Free Cancellation	Rating 7.5 973 reviews	Search Qantas Airways flights
ANA	PriceFrom $703	Free Cancellation	Rating 8.4 1,077 reviews	Search ANA flights
American Airlines	PriceFrom $796	Free Cancellation	Rating 7.2 11,169 reviews	Search American Airlines flights
Fiji Airways	PriceFrom $796	Free Cancellation	Rating 8.0 217 reviews	Search Fiji Airways flights
Air Canada	PriceFrom $851	Free Cancellation	Rating 7.1 10,644 reviews	Search Air Canada flights
United Airlines	PriceFrom $870	Free Cancellation	Rating 7.4 9,189 reviews	Search United Airlines flights
Delta	PriceFrom $935	Free Cancellation	Rating 7.9 8,085 reviews	Search Delta flights
Air New Zealand	PriceFrom $1,217	Free Cancellation	Rating 8.0 572 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,229	Free Cancellation	Rating 7.4 3,721 reviews	Search Qatar Airways flights
Cathay Pacific	PriceFrom $1,418	Free Cancellation	Rating 7.6 1,140 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.