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 46% 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, 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 August 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.

$609 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.

1:21 pm - 11:30 am

ORD

OOL

31h 09m

3 stops

12:30 pm - 5:38 am

OOL

ORD

32h 08m

3 stops

$988Multiple Airlines

Sat, Sep 12 - Sat, Sep 19

10:26 am - 10:35 am

ORD

BNE

33h 09m

3 stops

11:50 am - 5:38 am

BNE

ORD

56h 48m

3 stops

$1,109Multiple Airlines

Mon, Sep 14 - Mon, Sep 21

5:45 pm - 9:25 am

ORD

SYD

24h 40m

1 stop

12:25 pm - 7:20 am

SYD

ORD

35h 55m

1 stop

$1,259ANA

Mon, Sep 21 - Thu, Nov 19

4:25 pm - 8:15 pm

ORD

SYD

34h 50m

1 stop

12:25 pm - 5:20 am

SYD

ORD

33h 55m

2 stops

$1,264ANA

Sun, Nov 1 - Sun, Nov 15

11:05 am - 7:05 am

ORD

BNE

29h 00m

2 stops

10:00 am - 8:12 pm

BNE

ORD

25h 12m

2 stops

$1,363Air Canada

Sun, Sep 13 - Sun, Sep 20

8:45 am - 7:05 am

ORD

BNE

31h 20m

2 stops

10:00 am - 2:43 pm

BNE

ORD

19h 43m

1 stop

$1,364Air Canada

Sun, Sep 13 - Sun, Sep 20

7:20 pm - 11:55 pm

ORD

PER

39h 35m

2 stops

10:45 pm - 3:05 pm

PER

ORD

29h 20m

1 stop

$1,439Qatar Airways

Sun, Sep 13 - Sun, Sep 20

7:20 pm - 11:55 pm

ORD

PER

39h 35m

2 stops

10:45 pm - 3:05 pm

PER

ORD

29h 20m

1 stop

$1,447Qatar Airways

Sun, Sep 13 - Sun, Sep 20

3:40 pm - 7:20 am

ORD

SYD

24h 40m

1 stop

9:20 am - 2:36 pm

SYD

ORD

20h 16m

1 stop

$1,455Air New Zealand

Mon, Aug 31 - Mon, Sep 7

3:30 pm - 9:35 am

ORD

SYD

25h 05m

1 stop

11:20 am - 2:37 pm

SYD

ORD

20h 17m

1 stop

$1,455Air New Zealand

Sat, Nov 21 - Mon, Nov 30

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Delta flights from Chicago to Australia

Our best Delta deals on Chicago to Australia flight tickets

Delta

Sep 21

MDW2:00 pmChicago Midway

25h 50m

2 stops

SYD6:50 amSydney Kingsford Smith

Nov 19

SYD10:40 amSydney Kingsford Smith

22h 59m

2 stops

MDW4:39 pmChicago Midway

$1,611

Delta

Sep 21

MDW2:00 pmChicago Midway

25h 50m

2 stops

SYD6:50 amSydney Kingsford Smith

Oct 4

SYD10:15 amSydney Kingsford Smith

24h 04m

2 stops

MDW6:19 pmChicago Midway

$1,612

Delta

Nov 11

MDW6:44 pmChicago Midway

46h 06m

2 stops

MEL9:50 amMelbourne

Nov 23

MEL12:00 pmMelbourne

23h 04m

2 stops

MDW6:04 pmChicago Midway

$1,623

ANA flights from Chicago to Australia

Our best ANA deals on Chicago to Australia flight tickets

ANA

Oct 25

ORD8:15 pmChicago O'Hare Intl

32h 00m

2 stops

SYD8:15 pmSydney Kingsford Smith

Nov 14

SYD12:25 pmSydney Kingsford Smith

33h 55m

2 stops

ORD5:20 amChicago O'Hare Intl

$1,269

ANA

Oct 31

ORD5:35 pmChicago O'Hare Intl

34h 40m

1 stop

SYD8:15 pmSydney Kingsford Smith

Nov 18

SYD12:25 pmSydney Kingsford Smith

35h 55m

1 stop

ORD7:20 amChicago O'Hare Intl

$1,272

ANA

Nov 1

ORD4:25 pmChicago O'Hare Intl

34h 50m

1 stop

SYD8:15 pmSydney Kingsford Smith

Nov 15

SYD12:25 pmSydney Kingsford Smith

35h 55m

1 stop

ORD7:20 amChicago O'Hare Intl

$1,273

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoCoolangatta

ORD - OOL

ORDOOL

Chicago O'Hare Intl

Sat 9/12

1:21 pm-11:30 am

3 stops31h 09m

Coolangatta Gold Coast

Sat 9/19

12:30 pm-5:38 am

3 stops32h 08m

$988

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Mon 9/14

10:26 am-10:35 am

3 stops33h 09m

Brisbane

Mon 9/21

11:50 am-5:38 am

3 stops56h 48m

$1,109

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 9/21

5:45 pm-9:25 am

1 stop24h 40m

Sydney Kingsford Smith

Thu 11/19

12:25 pm-7:20 am

1 stop35h 55m

$1,259

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 11/1

4:25 pm-8:15 pm

1 stop34h 50m

Sydney Kingsford Smith

Sun 11/15

12:25 pm-5:20 am

2 stops33h 55m

$1,264

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Sun 9/13

11:05 am-7:05 am

2 stops29h 00m

Brisbane

Sun 9/20

10:00 am-8:12 pm

2 stops25h 12m

$1,363

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Sun 9/13

8:45 am-7:05 am

2 stops31h 20m

Brisbane

Sun 9/20

10:00 am-2:43 pm

1 stop19h 43m

$1,364

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 9/13

7:20 pm-11:55 pm

2 stops39h 35m

Perth

Sun 9/20

10:45 pm-3:05 pm

1 stop29h 20m

$1,439

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 9/13

7:20 pm-11:55 pm

2 stops39h 35m

Perth

Sun 9/20

10:45 pm-3:05 pm

1 stop29h 20m

$1,447

Quickest round-trip

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 8/31

3:40 pm-7:20 am

1 stop24h 40m

Sydney Kingsford Smith

Mon 9/7

9:20 am-2:36 pm

1 stop20h 16m

$1,455

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sat 11/21

3:30 pm-9:35 am

1 stop25h 05m

Sydney Kingsford Smith

Mon 11/30

11:20 am-2:37 pm

1 stop20h 17m

$1,455

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 $1,262. If you aren’t able to travel during the month of February, then book flights to Australia from Chicago during June instead. Flights to Australia in June, while not as cheap as those in February, still average around $1,318.

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 $1,432 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 $1,165 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	21h 06m
Direct flights	None

The fastest flight from Chicago to Australia takes 21h 06m

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 August 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 8,485 reviews	Search Delta flights
Air Canada	PriceFrom $712	Free Cancellation	Rating 7.1 11,420 reviews	Search Air Canada flights
Fiji Airways	PriceFrom $716	Free Cancellation	Rating 8.0 249 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $837	Free Cancellation	Rating 7.5 1,074 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $844	Free Cancellation	Rating 7.1 11,842 reviews	Search American Airlines flights
United Airlines	PriceFrom $870	Free Cancellation	Rating 7.4 10,058 reviews	Search United Airlines flights
ANA	PriceFrom $1,209	Free Cancellation	Rating 8.3 1,289 reviews	Search ANA flights
Air New Zealand	PriceFrom $1,264	Free Cancellation	Rating 8.0 657 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,298	Free Cancellation	Rating 7.4 3,737 reviews	Search Qatar Airways flights
Cathay Pacific	PriceFrom $1,560	Free Cancellation	Rating 7.6 1,436 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.