What airlines fly to Chicago?

American Airlines, Qantas Airways and United Airlines are the top three most popular airlines that fly to Chicago from Australia according to our data. American Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 4 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Chicago?

Average flight duration from Australia to Chicago depends on which airport you fly into and out of. Flying from Sydney to Chicago O'Hare Intl Airport is 19h 50m on average, while flying from Melbourne to Chicago O'Hare Intl Airport is 21h 55m on average. Chicago O'Hare Intl Airport is the most popular airport in Chicago.

What is the cheapest airline that flies from Australia to Chicago?

Air Canada, EVA Air, and Etihad Airways are the most popular carriers operating from Australia to Chicago

When did momondo last update prices for flights from Australia to Chicago?

Prices for flights from Australia to Chicago are updated daily.

How many operators does momondo search for flights from Australia to Chicago?

There are 4 operators available for flights from Australia to Chicago as of August 2025.

How old do you have to be to fly from Australia to Chicago?

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 Australia to Chicago.

What documentation or ID do you need to fly to Chicago?

The travel and health documents required for your trip to Chicago 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 Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$455 Cheap Flights from Australia to Chicago in 2025

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Find the cheapest flights from Australia to Chicago

Round-trip

One-way

Last minute

Recent round-trip flight deals from Australia to Chicago

11:50 am - 10:41 pmSYD-ORD

25h 51m2 stops

4:40 pm - 10:35 amORD-SYD

25h 55m2 stops

$966Air New Zealand

Find Deal

Wed, Sep 17 - Wed, Oct 22

10:15 pm - 8:45 pmBNE-ORD

37h 30m1 stop

12:30 am - 8:00 pmORD-BNE

28h 30m1 stop

$981EVA Air

Find Deal

Thu, Sep 4 - Tue, Sep 16

10:15 pm - 8:45 pmBNE-ORD

37h 30m1 stop

12:30 am - 8:00 pmORD-BNE

28h 30m1 stop

$989EVA Air

Find Deal

Thu, Sep 4 - Tue, Sep 16

11:35 am - 11:59 pmBNE-ORD

27h 24m2 stops

7:25 am - 10:35 amORD-BNE

36h 10m2 stops

$1,026

Find Deal

Fri, Oct 10 - Mon, Oct 13

6:00 am - 10:43 pmSYD-ORD

31h 43m2 stops

6:30 am - 12:15 pmORD-SYD

38h 45m2 stops

$1,049

Find Deal

Fri, Sep 5 - Thu, Sep 11

9:10 am - 5:47 pmSYD-ORD

47h 37m1 stop

5:46 pm - 7:05 amORD-SYD

22h 19m1 stop

$1,073American Airlines

Find Deal

Mon, Sep 15 - Tue, Sep 30

9:10 am - 5:56 pmSYD-ORD

47h 46m1 stop

5:46 pm - 7:05 amORD-SYD

22h 19m1 stop

$1,099American Airlines

Find Deal

Fri, Sep 12 - Tue, Sep 30

9:30 am - 9:40 pmSYD-ORD

27h 10m2 stops

2:53 pm - 6:55 amORD-SYD

25h 02m2 stops

$1,121United Airlines

Find Deal

Sun, Aug 31 - Tue, Sep 16

11:55 am - 5:10 pmMEL-ORD

21h 15m1 stop

10:49 am - 9:15 amORD-MEL

30h 26m1 stop

$1,123United Airlines

Find Deal

Thu, Oct 9 - Thu, Oct 23

9:00 am - 7:19 pmADL-ORD

26h 49m2 stops

3:20 pm - 1:40 pmORD-ADL

29h 50m2 stops

$2,268Qantas Airways

Find Deal

Wed, Dec 17 - Tue, Jan 13

ANA flights from Australia to Chicago

Our best ANA deals on Australia to Chicago flight tickets

ANA

Sep 4

PER9:35 pmPerth

30h 20m

1 stop

ORD2:55 pmChicago O'Hare Intl

Sep 18

ORD7:10 amChicago O'Hare Intl

47h 50m

2 stops

PER8:00 pmPerth

$1,052

Find similar

ANA

Oct 16

SYD12:50 pmSydney Kingsford Smith

35h 50m

1 stop

ORD8:40 amChicago O'Hare Intl

Oct 22

ORD8:05 pmChicago O'Hare Intl

56h 10m

2 stops

SYD8:15 pmSydney Kingsford Smith

$1,159

Find similar

ANA

Sep 1

PER9:35 pmPerth

30h 20m

1 stop

ORD2:55 pmChicago O'Hare Intl

Sep 20

ORD7:10 amChicago O'Hare Intl

47h 50m

2 stops

PER8:00 pmPerth

$1,174

Find similar

United Airlines flights from Australia to Chicago

Our best United Airlines deals on Australia to Chicago flight tickets

United Airlines

Aug 31

SYD9:30 amSydney Kingsford Smith

27h 10m

2 stops

ORD9:40 pmChicago O'Hare Intl

Sep 16

ORD2:53 pmChicago O'Hare Intl

25h 02m

2 stops

SYD6:55 amSydney Kingsford Smith

$1,121

Find similar

United Airlines

Oct 9

MEL11:55 amMelbourne

21h 15m

1 stop

ORD5:10 pmChicago O'Hare Intl

Oct 23

ORD10:49 amChicago O'Hare Intl

30h 26m

1 stop

MEL9:15 amMelbourne

$1,123

Find similar

United Airlines

Aug 31

SYD9:30 amSydney Kingsford Smith

27h 10m

2 stops

ORD9:40 pmChicago O'Hare Intl

Sep 16

ORD4:30 pmChicago O'Hare Intl

23h 25m

1 stop

SYD6:55 amSydney Kingsford Smith

$1,125

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 9/17

11:50 am-10:41 pm

2 stops25h 51m

Chicago O'Hare Intl

Wed 10/22

4:40 pm-10:35 am

2 stops25h 55m

$966

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 9/4

10:15 pm-8:45 pm

1 stop37h 30m

Chicago O'Hare Intl

Tue 9/16

12:30 am-8:00 pm

1 stop28h 30m

$981

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 9/4

10:15 pm-8:45 pm

1 stop37h 30m

Chicago O'Hare Intl

Tue 9/16

12:30 am-8:00 pm

1 stop28h 30m

$989

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Fri 10/10

11:35 am-11:59 pm

2 stops27h 24m

Chicago O'Hare Intl

Mon 10/13

7:25 am-10:35 am

2 stops36h 10m

$1,026

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 9/5

6:00 am-10:43 pm

2 stops31h 43m

Chicago O'Hare Intl

Thu 9/11

6:30 am-12:15 pm

2 stops38h 45m

$1,049

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 9/15

9:10 am-5:47 pm

1 stop47h 37m

Chicago O'Hare Intl

Tue 9/30

5:46 pm-7:05 am

1 stop22h 19m

$1,073

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 9/12

9:10 am-5:56 pm

1 stop47h 46m

Chicago O'Hare Intl

Tue 9/30

5:46 pm-7:05 am

1 stop22h 19m

$1,099

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sun 8/31

9:30 am-9:40 pm

2 stops27h 10m

Chicago O'Hare Intl

Tue 9/16

2:53 pm-6:55 am

2 stops25h 02m

$1,121

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Thu 10/9

11:55 am-5:10 pm

1 stop21h 15m

Chicago O'Hare Intl

Thu 10/23

10:49 am-9:15 am

1 stop30h 26m

$1,123

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 12/17

9:00 am-7:19 pm

2 stops26h 49m

Chicago O'Hare Intl

Tue 1/13

3:20 pm-1:40 pm

2 stops29h 50m

$2,268

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 Australia to Chicago

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

Other information

What is the cheapest month to fly to Chicago?

The month of February is, on average, the cheapest month to fly to Chicago from Australia, with most prices found around $741. If you’re not able to fly to Chicago in February, then March is your next best option. Flight prices from Australia to Chicago during March average around $745.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Thursday when prices can be found for as low as $1,103. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Australia to Chicago for around $1,626.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from Australia to Chicago during this time can be as low as $1,141. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $1,365.

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $1,022 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Australia for as low as $776 on momondo.

Can stopping save me money on Australia to Chicago flights?

You could potentially save up to 34% on your flight if you consider stops on a Australia to Chicago flight.

Cheap Australia to Chicago flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Australia to Chicago

Direct flights	None

There are no direct flights from Australia to Chicago. There are no popular flight routes from Australia to Chicago.

Search flight deals

When did momondo last update prices for flights from Australia to Chicago?
Prices for flights from Australia to Chicago are updated daily.
How many operators does momondo search for flights from Australia to Chicago?
There are 4 operators available for flights from Australia to Chicago as of August 2025.
How old do you have to be to fly from Australia to Chicago?
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 Australia to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents required for your trip to Chicago 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 Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Australia to Chicago

Compare and see reviews for airlines that fly from Australia to Chicago with momondo

Airline	Rating	Free Cancellation	Price
Qantas Airways	PriceFrom $631	Free Cancellation	Rating 7.5 898 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $862	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
American Airlines	PriceFrom $884	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $1,080	Free Cancellation	Rating 7.4 8,930 reviews	Search United Airlines flights

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Porter

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Saint John

Why use momondo?

Why should I use momondo to find a flight deal from Australia to Chicago?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Australia to Chicago for you.

Can I find flights from Australia to Chicago with flexible booking policies on momondo?

Yes. All flights to Chicago from Australia on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Australia to Chicago?

Once you have performed a search for Australia to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Australia to Chicago right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Australia to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.