What airlines fly to Australia?

Qantas Airways, United Airlines and American 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 49% 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?

ANA, Delta, 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 10 as of February 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.

$450 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.

3:40 pm - 7:05 am

ORD

BNE

24h 25m

1 stop

10:00 am - 5:27 am

BNE

ORD

34h 27m

2 stops

$881Multiple Airlines

Sun, Apr 12 - Mon, Apr 27

3:40 pm - 7:05 am

ORD

BNE

24h 25m

1 stop

10:00 am - 2:45 pm

BNE

ORD

19h 45m

1 stop

$882Air Canada

Tue, Apr 21 - Wed, Apr 29

12:50 pm - 7:05 am

ORD

BNE

27h 15m

2 stops

10:00 am - 2:45 pm

BNE

ORD

19h 45m

1 stop

$885Air Canada

Tue, Apr 21 - Wed, Apr 29

4:15 pm - 7:05 am

ORD

BNE

23h 50m

2 stops

10:00 am - 6:20 am

BNE

ORD

35h 20m

2 stops

$889Multiple Airlines

Sun, Apr 12 - Mon, Apr 27

2:58 pm - 8:20 am

ORD

MEL

49h 22m

2 stops

9:45 am - 5:41 pm

MEL

ORD

22h 56m

1 stop

$952Qantas Airways

Sat, Mar 21 - Wed, Apr 8

4:49 pm - 8:20 am

ORD

MEL

47h 31m

2 stops

12:00 pm - 9:35 pm

MEL

ORD

25h 35m

1 stop

$1,111Qantas Airways

Mon, Mar 16 - Mon, Mar 23

1:59 pm - 7:50 am

MDW

MEL

26h 51m

2 stops

10:00 am - 9:09 pm

MEL

MDW

26h 09m

2 stops

$1,463Delta

Wed, May 20 - Sun, May 31

9:27 am - 6:50 am

MDW

SYD

30h 23m

2 stops

9:15 am - 6:36 pm

SYD

MDW

24h 21m

2 stops

$1,463Delta

Fri, Apr 17 - Sat, Apr 25

9:20 pm - 4:00 pm

ORD

PER

53h 40m

2 stops

7:50 pm - 9:31 pm

PER

ORD

38h 41m

2 stops

$1,480Air New Zealand

Sat, Apr 11 - Tue, Apr 28

8:03 pm - 4:00 pm

ORD

PER

54h 57m

2 stops

11:50 pm - 12:45 am

PER

ORD

37h 55m

2 stops

$1,486Air New Zealand

Sat, Apr 11 - Sat, Apr 18

ANA flights from Chicago to Australia

Our best ANA deals on Chicago to Australia flight tickets

ANA

Mar 4

ORD3:35 pmChicago O'Hare Intl

25h 00m

1 stop

SYD9:35 amSydney Kingsford Smith

Mar 8

SYD11:20 amSydney Kingsford Smith

24h 25m

1 stop

ORD6:45 pmChicago O'Hare Intl

$1,212

ANA

Mar 5

ORD3:35 pmChicago O'Hare Intl

25h 00m

1 stop

SYD9:35 amSydney Kingsford Smith

Mar 12

SYD8:00 amSydney Kingsford Smith

28h 00m

2 stops

ORD8:00 pmChicago O'Hare Intl

$1,296

Delta flights from Chicago to Australia

Our best Delta deals on Chicago to Australia flight tickets

Delta

Mar 8

MDW12:47 pmChicago Midway

26h 38m

2 stops

SYD7:25 amSydney Kingsford Smith

Mar 15

SYD9:40 amSydney Kingsford Smith

23h 42m

2 stops

MDW5:22 pmChicago Midway

$1,463

Delta

Jun 5

MDW1:22 pmChicago Midway

27h 28m

2 stops

MEL7:50 amMelbourne

Jun 12

MEL10:00 amMelbourne

23h 31m

2 stops

MDW6:31 pmChicago Midway

$1,464

Delta

Apr 19

MDW2:12 pmChicago Midway

25h 38m

2 stops

SYD6:50 amSydney Kingsford Smith

May 3

SYD9:15 amSydney Kingsford Smith

24h 21m

2 stops

MDW6:36 pmChicago Midway

$1,465

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Sun 4/12

3:40 pm-7:05 am

1 stop24h 25m

Brisbane

Mon 4/27

10:00 am-5:27 am

2 stops34h 27m

$881

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 4/21

3:40 pm-7:05 am

1 stop24h 25m

Brisbane

Wed 4/29

10:00 am-2:45 pm

1 stop19h 45m

$882

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 4/21

12:50 pm-7:05 am

2 stops27h 15m

Brisbane

Wed 4/29

10:00 am-2:45 pm

1 stop19h 45m

$885

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Sun 4/12

4:15 pm-7:05 am

2 stops23h 50m

Brisbane

Mon 4/27

10:00 am-6:20 am

2 stops35h 20m

$889

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Sat 3/21

2:58 pm-8:20 am

2 stops49h 22m

Melbourne

Wed 4/8

9:45 am-5:41 pm

1 stop22h 56m

$952

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Mon 3/16

4:49 pm-8:20 am

2 stops47h 31m

Melbourne

Mon 3/23

12:00 pm-9:35 pm

1 stop25h 35m

$1,111

ChicagoMelbourne

MDW - MEL

MDWMEL

Chicago Midway

Wed 5/20

1:59 pm-7:50 am

2 stops26h 51m

Melbourne

Sun 5/31

10:00 am-9:09 pm

2 stops26h 09m

$1,463

ChicagoSydney

MDW - SYD

MDWSYD

Chicago Midway

Fri 4/17

9:27 am-6:50 am

2 stops30h 23m

Sydney Kingsford Smith

Sat 4/25

9:15 am-6:36 pm

2 stops24h 21m

$1,463

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sat 4/11

9:20 pm-4:00 pm

2 stops53h 40m

Perth

Tue 4/28

7:50 pm-9:31 pm

2 stops38h 41m

$1,480

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sat 4/11

8:03 pm-4:00 pm

2 stops54h 57m

Perth

Sat 4/18

11:50 pm-12:45 am

2 stops37h 55m

$1,486

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 October is, on average, the cheapest month to fly to Australia from Chicago, with most prices found around $966. If you aren’t able to travel during the month of October, then book flights to Australia from Chicago during February instead. Flights to Australia in February, while not as cheap as those in October, still average around $1,097.

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 $1,274 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 $1,052 on momondo.

Can stopping save me money on Chicago to Australia flights?

You could potentially save up to 23% 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 25m
Direct flights	None

The fastest flight from Chicago to Australia takes 20h 25m

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 February 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 1,000 reviews	Search Qantas Airways flights
Fiji Airways	PriceFrom $795	Free Cancellation	Rating 8.0 228 reviews	Search Fiji Airways flights
American Airlines	PriceFrom $810	Free Cancellation	Rating 7.1 11,363 reviews	Search American Airlines flights
United Airlines	PriceFrom $870	Free Cancellation	Rating 7.4 9,358 reviews	Search United Airlines flights
Air Canada	PriceFrom $872	Free Cancellation	Rating 7.1 10,752 reviews	Search Air Canada flights
Delta	PriceFrom $936	Free Cancellation	Rating 7.9 8,241 reviews	Search Delta flights
ANA	PriceFrom $1,177	Free Cancellation	Rating 8.4 1,103 reviews	Search ANA flights
Air New Zealand	PriceFrom $1,217	Free Cancellation	Rating 8.0 605 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,229	Free Cancellation	Rating 7.4 3,745 reviews	Search Qatar Airways flights
Cathay Pacific	PriceFrom $1,470	Free Cancellation	Rating 7.6 1,180 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.