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?

Delta, ANA, 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 May 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.

$486 Cheap Flights from Chicago to Australia in 2026

1 adult

0 bags

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.

6:55 am - 12:00 pm

ORD

MEL

38h 05m

3 stops

1:30 pm - 11:13 pm

MEL

ORD

48h 43m

3 stops

$1,194Multiple Airlines

Sat, May 16 - Sat, May 30

6:29 pm - 7:20 pm

ORD

MEL

33h 51m

2 stops

7:30 am - 9:22 pm

MEL

ORD

28h 52m

2 stops

$1,268Multiple Airlines

Sat, Jul 11 - Sat, Jul 25

9:15 am - 7:05 am

ORD

BNE

30h 50m

2 stops

10:15 am - 5:01 am

BNE

ORD

33h 46m

2 stops

$1,408Air Canada

Fri, Aug 28 - Thu, Sep 10

3:40 pm - 7:05 am

ORD

BNE

24h 25m

1 stop

10:00 am - 2:41 pm

BNE

ORD

19h 41m

1 stop

$1,411Air Canada

Wed, Jun 17 - Fri, Jul 10

8:46 am - 10:55 am

ORD

ADL

35h 39m

2 stops

6:00 am - 2:36 pm

ADL

ORD

23h 06m

2 stops

$1,614Air New Zealand

Mon, Aug 10 - Wed, Aug 19

2:21 pm - 10:55 am

ORD

ADL

30h 04m

2 stops

6:00 am - 8:41 pm

ADL

ORD

29h 11m

2 stops

$1,615Air New Zealand

Mon, Aug 10 - Wed, Aug 19

12:46 pm - 1:15 pm

ORD

CBR

33h 29m

2 stops

8:10 am - 8:22 pm

CBR

ORD

27h 12m

2 stops

$1,719United Airlines

Tue, Aug 18 - Wed, Aug 26

6:20 pm - 1:15 pm

ORD

CBR

27h 55m

2 stops

6:50 pm - 2:36 pm

CBR

ORD

34h 46m

2 stops

$1,727United Airlines

Wed, Aug 19 - Tue, Aug 25

5:10 pm - 11:55 am

ORD

ADL

28h 15m

2 stops

6:00 am - 7:59 pm

ADL

ORD

28h 29m

2 stops

$1,764Qantas Airways

Thu, Jul 2 - Sun, Aug 2

3:50 pm - 12:10 pm

ORD

CBR

29h 20m

2 stops

6:00 am - 8:31 pm

CBR

ORD

29h 31m

2 stops

$1,814Qantas Airways

Sat, Jun 27 - Sat, Jul 4

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Air Canada flights from Chicago to Australia

Our best Air Canada deals on Chicago to Australia flight tickets

Air Canada

Aug 28

ORD9:15 amChicago O'Hare Intl

30h 50m

2 stops

BNE7:05 amBrisbane

Sep 10

BNE10:15 amBrisbane

33h 46m

2 stops

ORD5:01 amChicago O'Hare Intl

$1,408

Air Canada

Jun 18

ORD3:40 pmChicago O'Hare Intl

24h 40m

1 stop

SYD7:20 amSydney Kingsford Smith

Jul 2

SYD9:20 amSydney Kingsford Smith

20h 21m

1 stop

ORD2:41 pmChicago O'Hare Intl

$1,411

Air Canada

Jun 20

ORD11:05 amChicago O'Hare Intl

29h 00m

2 stops

BNE7:05 amBrisbane

Jul 30

BNE10:15 amBrisbane

19h 26m

1 stop

ORD2:41 pmChicago O'Hare Intl

$1,414

Delta flights from Chicago to Australia

Our best Delta deals on Chicago to Australia flight tickets

Delta

Sep 25

MDW1:05 pmChicago Midway

27h 45m

2 stops

MEL7:50 amMelbourne

Oct 4

MEL11:00 amMelbourne

23h 31m

2 stops

MDW6:31 pmChicago Midway

$1,595

Delta

Sep 25

MDW1:00 pmChicago Midway

27h 50m

2 stops

MEL7:50 amMelbourne

Oct 4

MEL11:00 amMelbourne

23h 31m

2 stops

MDW6:31 pmChicago Midway

$1,602

Delta

Jun 21

MDW1:49 pmChicago Midway

26h 01m

2 stops

SYD6:50 amSydney Kingsford Smith

Jul 7

SYD9:15 amSydney Kingsford Smith

24h 03m

2 stops

MDW6:18 pmChicago Midway

$1,614

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Sat 5/16

6:55 am-12:00 pm

3 stops38h 05m

Melbourne

Sat 5/30

1:30 pm-11:13 pm

3 stops48h 43m

$1,194

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Sat 7/11

6:29 pm-7:20 pm

2 stops33h 51m

Melbourne

Sat 7/25

7:30 am-9:22 pm

2 stops28h 52m

$1,268

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Fri 8/28

9:15 am-7:05 am

2 stops30h 50m

Brisbane

Thu 9/10

10:15 am-5:01 am

2 stops33h 46m

$1,408

Quickest round-trip

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Wed 6/17

3:40 pm-7:05 am

1 stop24h 25m

Brisbane

Fri 7/10

10:00 am-2:41 pm

1 stop19h 41m

$1,411

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 8/10

8:46 am-10:55 am

2 stops35h 39m

Adelaide

Wed 8/19

6:00 am-2:36 pm

2 stops23h 06m

$1,614

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 8/10

2:21 pm-10:55 am

2 stops30h 04m

Adelaide

Wed 8/19

6:00 am-8:41 pm

2 stops29h 11m

$1,615

ChicagoCanberra

ORD - CBR

ORDCBR

Chicago O'Hare Intl

Tue 8/18

12:46 pm-1:15 pm

2 stops33h 29m

Canberra

Wed 8/26

8:10 am-8:22 pm

2 stops27h 12m

$1,719

ChicagoCanberra

ORD - CBR

ORDCBR

Chicago O'Hare Intl

Wed 8/19

6:20 pm-1:15 pm

2 stops27h 55m

Canberra

Tue 8/25

6:50 pm-2:36 pm

2 stops34h 46m

$1,727

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Thu 7/2

5:10 pm-11:55 am

2 stops28h 15m

Adelaide

Sun 8/2

6:00 am-7:59 pm

2 stops28h 29m

$1,764

ChicagoCanberra

ORD - CBR

ORDCBR

Chicago O'Hare Intl

Sat 6/27

3:50 pm-12:10 pm

2 stops29h 20m

Canberra

Sat 7/4

6:00 am-8:31 pm

2 stops29h 31m

$1,814

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 November is, on average, the cheapest month to fly to Australia from Chicago, with most prices found around $113. If you aren’t able to travel during the month of November, then book flights to Australia from Chicago during August instead. Flights to Australia in August, while not as cheap as those in November, still average around $138.

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 $1,386 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 $1,159 on momondo.

Can stopping save me money on Chicago to Australia flights?

You could potentially save up to 14% 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	20h 17m
Direct flights	None

The fastest flight from Chicago to Australia takes 20h 17m

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 9 as of May 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 11,674 reviews	Search American Airlines flights
Air Canada	PriceFrom $712	Free Cancellation	Rating 7.1 10,993 reviews	Search Air Canada flights
Fiji Airways	PriceFrom $716	Free Cancellation	Rating 8.1 240 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $837	Free Cancellation	Rating 7.5 1,030 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $870	Free Cancellation	Rating 7.4 9,680 reviews	Search United Airlines flights
ANA	PriceFrom $1,184	Free Cancellation	Rating 8.3 1,205 reviews	Search ANA flights
Air New Zealand	PriceFrom $1,217	Free Cancellation	Rating 8.0 639 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,263	Free Cancellation	Rating 7.4 3,723 reviews	Search Qatar Airways flights
Cathay Pacific	PriceFrom $1,418	Free Cancellation	Rating 7.6 1,312 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.