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 44% 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?

Alaska Airlines, Air Canada, and Delta 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 July 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.

$556 Cheap Flights from Chicago to Australia in 2026

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.

9:20 am - 11:50 am

ORD

SYD

35h 30m

3 stops

1:15 pm - 6:17 am

SYD

ORD

32h 02m

2 stops

$1,118Multiple Airlines

Tue, Aug 18 - Tue, Aug 25

11:45 am - 10:25 pm

MDW

SYD

43h 40m

3 stops

1:15 pm - 10:55 am

SYD

MDW

36h 40m

3 stops

$1,126Multiple Airlines

Sat, Aug 29 - Sat, Sep 5

11:45 am - 10:40 am

MDW

BNE

31h 55m

3 stops

11:50 am - 10:55 am

BNE

MDW

38h 05m

3 stops

$1,130Multiple Airlines

Sat, Aug 29 - Sat, Sep 5

11:45 am - 10:25 pm

MDW

SYD

43h 40m

3 stops

1:15 pm - 10:55 am

SYD

MDW

36h 40m

3 stops

$1,134Multiple Airlines

Sat, Aug 22 - Sat, Sep 5

5:45 pm - 9:25 am

ORD

SYD

24h 40m

1 stop

11:45 am - 8:40 am

SYD

ORD

35h 55m

1 stop

$1,263ANA

Wed, Sep 9 - Wed, Sep 16

3:40 pm - 1:55 pm

ORD

ADL

30h 45m

2 stops

6:10 am - 8:01 pm

ADL

ORD

30h 21m

2 stops

$1,442Air Canada

Mon, Oct 19 - Tue, Nov 10

3:40 pm - 11:50 am

ORD

ADL

29h 40m

2 stops

7:00 pm - 2:43 pm

ADL

ORD

34h 13m

2 stops

$1,446Air Canada

Wed, Sep 9 - Sun, Sep 20

5:45 pm - 3:40 pm

ORD

OOL

54h 55m

2 stops

7:05 am - 8:40 am

OOL

ORD

40h 35m

2 stops

$1,472ANA

Wed, Aug 26 - Wed, Sep 2

1:28 pm - 9:50 am

MDW

MEL

27h 22m

2 stops

12:00 pm - 6:37 pm

MEL

MDW

23h 37m

2 stops

$1,611Delta

Sun, Nov 8 - Mon, Nov 23

7:25 pm - 7:50 am

MDW

MEL

45h 25m

2 stops

10:00 am - 6:33 pm

MEL

MDW

23h 33m

2 stops

$1,641Delta

Thu, Sep 3 - Wed, Sep 16

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

ANA flights from Chicago to Australia

Our best ANA deals on Chicago to Australia flight tickets

ANA

Sep 9

ORD5:45 pmChicago O'Hare Intl

24h 40m

1 stop

SYD9:25 amSydney Kingsford Smith

Sep 16

SYD11:45 amSydney Kingsford Smith

35h 55m

1 stop

ORD8:40 amChicago O'Hare Intl

$1,263

ANA

Sep 9

ORD7:00 amChicago O'Hare Intl

35h 25m

2 stops

SYD9:25 amSydney Kingsford Smith

Sep 16

SYD11:45 amSydney Kingsford Smith

35h 55m

1 stop

ORD8:40 amChicago O'Hare Intl

$1,266

ANA

Nov 3

ORD4:25 pmChicago O'Hare Intl

34h 50m

1 stop

SYD8:15 pmSydney Kingsford Smith

Nov 17

SYD9:45 pmSydney Kingsford Smith

26h 35m

1 stop

ORD7:20 amChicago O'Hare Intl

$1,267

Delta flights from Chicago to Australia

Our best Delta deals on Chicago to Australia flight tickets

Delta

Oct 14

MDW1:28 pmChicago Midway

26h 22m

2 stops

SYD7:50 amSydney Kingsford Smith

Oct 26

SYD9:40 amSydney Kingsford Smith

24h 25m

2 stops

MDW6:05 pmChicago Midway

$1,611

Delta

Sep 3

MDW7:25 pmChicago Midway

45h 25m

2 stops

MEL7:50 amMelbourne

Sep 16

MEL10:00 amMelbourne

23h 33m

2 stops

MDW6:33 pmChicago Midway

$1,641

Delta

Sep 15

MDW7:01 pmChicago Midway

45h 49m

2 stops

MEL7:50 amMelbourne

Sep 23

MEL10:00 amMelbourne

23h 33m

2 stops

MDW6:33 pmChicago Midway

$1,642

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 8/18

9:20 am-11:50 am

3 stops35h 30m

Sydney Kingsford Smith

Tue 8/25

1:15 pm-6:17 am

2 stops32h 02m

$1,118

ChicagoSydney

MDW - SYD

MDWSYD

Chicago Midway

Sat 8/29

11:45 am-10:25 pm

3 stops43h 40m

Sydney Kingsford Smith

Sat 9/5

1:15 pm-10:55 am

3 stops36h 40m

$1,126

ChicagoBrisbane

MDW - BNE

MDWBNE

Chicago Midway

Sat 8/29

11:45 am-10:40 am

3 stops31h 55m

Brisbane

Sat 9/5

11:50 am-10:55 am

3 stops38h 05m

$1,130

ChicagoSydney

MDW - SYD

MDWSYD

Chicago Midway

Sat 8/22

11:45 am-10:25 pm

3 stops43h 40m

Sydney Kingsford Smith

Sat 9/5

1:15 pm-10:55 am

3 stops36h 40m

$1,134

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Wed 9/9

5:45 pm-9:25 am

1 stop24h 40m

Sydney Kingsford Smith

Wed 9/16

11:45 am-8:40 am

1 stop35h 55m

$1,263

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 10/19

3:40 pm-1:55 pm

2 stops30h 45m

Adelaide

Tue 11/10

6:10 am-8:01 pm

2 stops30h 21m

$1,442

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Wed 9/9

3:40 pm-11:50 am

2 stops29h 40m

Adelaide

Sun 9/20

7:00 pm-2:43 pm

2 stops34h 13m

$1,446

ChicagoCoolangatta

ORD - OOL

ORDOOL

Chicago O'Hare Intl

Wed 8/26

5:45 pm-3:40 pm

2 stops54h 55m

Coolangatta Gold Coast

Wed 9/2

7:05 am-8:40 am

2 stops40h 35m

$1,472

Quickest round-trip

ChicagoMelbourne

MDW - MEL

MDWMEL

Chicago Midway

Sun 11/8

1:28 pm-9:50 am

2 stops27h 22m

Melbourne

Mon 11/23

12:00 pm-6:37 pm

2 stops23h 37m

$1,611

ChicagoMelbourne

MDW - MEL

MDWMEL

Chicago Midway

Thu 9/3

7:25 pm-7:50 am

2 stops45h 25m

Melbourne

Wed 9/16

10:00 am-6:33 pm

2 stops23h 33m

$1,641

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 May instead. Flights to Australia in May, while not as cheap as those in November, still average around $142.

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 $1,420 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 $1,185 on momondo.

Can stopping save me money on Chicago to Australia flights?

You could potentially save up to 25% 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 02m
Direct flights	None

The fastest flight from Chicago to Australia takes 21h 02m

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 July 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 $261	Free Cancellation	Rating 7.8 8,472 reviews	Search Delta flights
Air Canada	PriceFrom $712	Free Cancellation	Rating 7.1 11,347 reviews	Search Air Canada flights
Fiji Airways	PriceFrom $716	Free Cancellation	Rating 8.0 248 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $837	Free Cancellation	Rating 7.5 1,062 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $837	Free Cancellation	Rating 7.1 11,816 reviews	Search American Airlines flights
United Airlines	PriceFrom $870	Free Cancellation	Rating 7.4 9,996 reviews	Search United Airlines flights
ANA	PriceFrom $1,209	Free Cancellation	Rating 8.3 1,271 reviews	Search ANA flights
Qatar Airways	PriceFrom $1,263	Free Cancellation	Rating 7.3 3,743 reviews	Search Qatar Airways flights
Air New Zealand	PriceFrom $1,264	Free Cancellation	Rating 8.0 654 reviews	Search Air New Zealand flights
Cathay Pacific	PriceFrom $1,560	Free Cancellation	Rating 7.6 1,415 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.