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 43% 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?

Philippine Airlines, Delta, 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 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.

$512 Cheap Flights from Chicago to Australia in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

6:40 pm - 9:30 am

ORD

MEL

21h 50m

1 stop

6:45 am - 2:57 pm

MEL

ORD

25h 12m

2 stops

$911Qantas Airways

Mon, Jan 26 - Sat, Jan 31

4:10 pm - 9:30 am

ORD

MEL

24h 20m

1 stop

6:45 am - 2:53 pm

MEL

ORD

25h 08m

2 stops

$930Qantas Airways

Wed, Feb 11 - Wed, Feb 18

6:40 pm - 3:35 pm

ORD

MEL

27h 55m

2 stops

12:00 pm - 5:46 pm

MEL

ORD

22h 46m

1 stop

$931Qantas Airways

Tue, Feb 3 - Fri, Feb 27

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

Tue, Feb 24 - Wed, Mar 11

3:35 pm - 8:45 am

ORD

BNE

25h 10m

1 stop

10:45 am - 2:41 pm

BNE

ORD

19h 56m

1 stop

$948Air Canada

Wed, Feb 18 - Wed, Feb 25

6:17 pm - 9:30 am

ORD

ADL

22h 43m

1 stop

1:55 pm - 8:15 pm

ADL

ORD

21h 50m

1 stop

$1,165United Airlines

Mon, Mar 2 - Wed, Mar 11

1:49 pm - 8:20 am

MDW

BNE

26h 31m

2 stops

10:40 am - 10:22 pm

BNE

MDW

27h 42m

2 stops

$1,165Delta

Wed, Jan 28 - Sun, Feb 8

6:20 pm - 8:20 am

MDW

BNE

46h 00m

2 stops

10:05 am - 6:40 pm

BNE

MDW

23h 35m

2 stops

$1,179Delta

Tue, Feb 24 - Wed, Mar 11

4:40 pm - 4:00 pm

ORD

PER

34h 20m

2 stops

7:50 pm - 11:50 pm

PER

ORD

41h 00m

2 stops

$1,609Air New Zealand

Mon, Jun 1 - Thu, Jul 9

3:51 pm - 4:00 pm

ORD

PER

35h 09m

2 stops

7:50 pm - 10:36 pm

PER

ORD

39h 46m

2 stops

$1,659Air New Zealand

Sat, May 30 - Thu, Jul 9

Qantas Airways flights from Chicago to Australia

Our best Qantas Airways deals on Chicago to Australia flight tickets

Qantas Airways

Jan 26

ORD6:40 pmChicago O'Hare Intl

21h 50m

1 stop

MEL9:30 amMelbourne

Jan 31

MEL6:45 amMelbourne

25h 12m

2 stops

ORD2:57 pmChicago O'Hare Intl

$911

Qantas Airways

Feb 11

ORD4:10 pmChicago O'Hare Intl

24h 20m

1 stop

MEL9:30 amMelbourne

Feb 18

MEL6:45 amMelbourne

25h 08m

2 stops

ORD2:53 pmChicago O'Hare Intl

$930

Qantas Airways

Feb 3

ORD6:40 pmChicago O'Hare Intl

27h 55m

2 stops

MEL3:35 pmMelbourne

Feb 27

MEL12:00 pmMelbourne

22h 46m

1 stop

ORD5:46 pmChicago O'Hare Intl

$931

Delta flights from Chicago to Australia

Our best Delta deals on Chicago to Australia flight tickets

Delta

Jan 28

MDW1:49 pmChicago Midway

26h 31m

2 stops

BNE8:20 amBrisbane

Feb 8

BNE10:40 amBrisbane

27h 42m

2 stops

MDW10:22 pmChicago Midway

$1,165

Delta

Feb 24

MDW6:20 pmChicago Midway

46h 00m

2 stops

BNE8:20 amBrisbane

Mar 11

BNE10:05 amBrisbane

23h 35m

2 stops

MDW6:40 pmChicago Midway

$1,179

Delta

Feb 27

MDW1:28 pmChicago Midway

26h 52m

2 stops

BNE8:20 amBrisbane

Mar 6

BNE10:40 amBrisbane

23h 05m

2 stops

MDW5:45 pmChicago Midway

$1,265

Fly from

Fly to

Route

Depart

Return

Price

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Mon 1/26

6:40 pm-9:30 am

1 stop21h 50m

Melbourne

Sat 1/31

6:45 am-2:57 pm

2 stops25h 12m

$911

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Wed 2/11

4:10 pm-9:30 am

1 stop24h 20m

Melbourne

Wed 2/18

6:45 am-2:53 pm

2 stops25h 08m

$930

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Tue 2/3

6:40 pm-3:35 pm

2 stops27h 55m

Melbourne

Fri 2/27

12:00 pm-5:46 pm

1 stop22h 46m

$931

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 2/24

3:35 pm-8:45 am

1 stop25h 10m

Brisbane

Wed 3/11

9:45 am-2:41 pm

1 stop19h 56m

$947

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Wed 2/18

3:35 pm-8:45 am

1 stop25h 10m

Brisbane

Wed 2/25

10:45 am-2:41 pm

1 stop19h 56m

$948

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 3/2

6:17 pm-9:30 am

1 stop22h 43m

Adelaide

Wed 3/11

1:55 pm-8:15 pm

1 stop21h 50m

$1,165

ChicagoBrisbane

MDW - BNE

MDWBNE

Chicago Midway

Wed 1/28

1:49 pm-8:20 am

2 stops26h 31m

Brisbane

Sun 2/8

10:40 am-10:22 pm

2 stops27h 42m

$1,165

ChicagoBrisbane

MDW - BNE

MDWBNE

Chicago Midway

Tue 2/24

6:20 pm-8:20 am

2 stops46h 00m

Brisbane

Wed 3/11

10:05 am-6:40 pm

2 stops23h 35m

$1,179

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 6/1

4:40 pm-4:00 pm

2 stops34h 20m

Perth

Thu 7/9

7:50 pm-11:50 pm

2 stops41h 00m

$1,609

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sat 5/30

3:51 pm-4:00 pm

2 stops35h 09m

Perth

Thu 7/9

7:50 pm-10:36 pm

2 stops39h 46m

$1,659

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 August instead. Flights to Australia in August, while not as cheap as those in June, still average around $864.

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 $1,097 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 20m
Direct flights	None

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

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 7.5 971 reviews	Search Qantas Airways flights
ANA	PriceFrom $679	Free Cancellation	Rating 8.4 1,073 reviews	Search ANA flights
American Airlines	PriceFrom $796	Free Cancellation	Rating 7.2 11,132 reviews	Search American Airlines flights
Fiji Airways	PriceFrom $796	Free Cancellation	Rating 8.0 216 reviews	Search Fiji Airways flights
Air Canada	PriceFrom $851	Free Cancellation	Rating 7.1 10,623 reviews	Search Air Canada flights
United Airlines	PriceFrom $870	Free Cancellation	Rating 7.4 9,164 reviews	Search United Airlines flights
Delta	PriceFrom $935	Free Cancellation	Rating 7.9 8,049 reviews	Search Delta flights
Qatar Airways	PriceFrom $1,229	Free Cancellation	Rating 7.4 3,715 reviews	Search Qatar Airways flights
Air New Zealand	PriceFrom $1,264	Free Cancellation	Rating 8.0 570 reviews	Search Air New Zealand flights
Cathay Pacific	PriceFrom $1,418	Free Cancellation	Rating 7.6 1,130 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.