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

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

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 38% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 5 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 21h 47m on average, while flying from Brisbane to Chicago O'Hare Intl Airport is 24h 06m on average. Chicago O'Hare Intl Airport is the most popular airport in 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 5 operators available for flights from Australia to Chicago as of October 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.

$574 Cheap Flights from Australia to Chicago in 2025/26

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Find the cheapest flights from Australia to Chicago

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Recent round-trip flight deals from Australia to Chicago

Enter your travel dates to find the best prices.

12:10 pm - 7:30 pmMEL-ORD

24h 20m2 stops

10:42 am - 9:25 amORD-MEL

29h 43m2 stops

$947Air New Zealand

Find Deal

Fri, Nov 14 - Fri, Nov 28

8:35 am - 8:25 pmMEL-ORD

28h 50m2 stops

10:45 am - 10:55 amORD-MEL

31h 10m2 stops

$957Air New Zealand

Find Deal

Thu, Nov 13 - Thu, Dec 11

10:45 am - 8:00 amBNE-ORD

37h 15m2 stops

12:50 pm - 8:45 amORD-BNE

27h 55m2 stops

$968Air Canada

Find Deal

Tue, Dec 2 - Tue, Dec 9

10:45 am - 2:41 pmBNE-ORD

19h 56m1 stop

12:50 pm - 8:45 amORD-BNE

27h 55m2 stops

$971Air Canada

Find Deal

Tue, Dec 2 - Tue, Dec 9

11:20 am - 4:08 pmSYD-ORD

21h 48m1 stop

8:50 am - 9:00 amORD-SYD

31h 10m1 stop

$1,128Qantas Airways

Find Deal

Tue, Dec 2 - Tue, Dec 9

11:20 am - 9:24 pmSYD-ORD

27h 04m1 stop

11:40 am - 9:00 amORD-SYD

28h 20m1 stop

$1,130Qantas Airways

Find Deal

Mon, Nov 17 - Mon, Dec 1

12:00 pm - 5:58 pmMEL-ORD

22h 58m2 stops

11:55 am - 5:00 amORD-MEL

24h 05m1 stop

$1,177American Airlines

Find Deal

Mon, Nov 17 - Mon, Dec 8

11:20 am - 7:40 pmSYD-ORD

25h 20m2 stops

9:42 pm - 9:00 amORD-SYD

42h 18m1 stop

$1,180American Airlines

Find Deal

Tue, Nov 18 - Sat, Nov 29

3:15 pm - 2:27 amPER-ORD

49h 12m2 stops

9:05 pm - 2:10 pmORD-PER

51h 05m2 stops

$2,061United Airlines

Find Deal

Sat, Nov 29 - Sun, Jan 4

3:15 pm - 2:27 amPER-ORD

49h 12m2 stops

6:29 pm - 11:20 amORD-PER

50h 51m2 stops

$2,066United Airlines

Find Deal

Sat, Nov 29 - Tue, Jan 6

Air Tahiti Nui flights from Australia to Chicago

Our best Air Tahiti Nui deals on Australia to Chicago flight tickets

Air Tahiti Nui

Oct 22

BNE6:50 pmBrisbane

41h 07m

3 stops

ORD8:57 pmChicago O'Hare Intl

Oct 28

ORD7:01 pmChicago O'Hare Intl

31h 09m

3 stops

BNE5:10 pmBrisbane

$1,833

Find similar

Air Tahiti Nui

Oct 22

BNE6:50 pmBrisbane

41h 07m

3 stops

ORD8:57 pmChicago O'Hare Intl

Nov 28

ORD6:23 pmChicago O'Hare Intl

30h 47m

3 stops

BNE5:10 pmBrisbane

$1,848

Find similar

Cathay Pacific flights from Australia to Chicago

Our best Cathay Pacific deals on Australia to Chicago flight tickets

Cathay Pacific

Oct 27

BNE12:30 amBrisbane

28h 25m

1 stop

ORD1:55 pmChicago O'Hare Intl

Nov 4

ORD2:35 pmChicago O'Hare Intl

27h 55m

1 stop

BNE10:30 amBrisbane

$1,085

Find similar

Cathay Pacific

Oct 22

BNE12:35 pmBrisbane

40h 50m

1 stop

ORD2:25 pmChicago O'Hare Intl

Nov 6

ORD2:35 pmChicago O'Hare Intl

27h 55m

1 stop

BNE10:30 amBrisbane

$1,105

Find similar

Cathay Pacific

Oct 22

BNE12:35 pmBrisbane

40h 50m

1 stop

ORD2:25 pmChicago O'Hare Intl

Nov 28

ORD2:35 pmChicago O'Hare Intl

27h 55m

1 stop

BNE10:30 amBrisbane

$1,106

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Fri 11/14

12:10 pm-7:30 pm

2 stops24h 20m

Chicago O'Hare Intl

Fri 11/28

10:42 am-9:25 am

2 stops29h 43m

$947

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Thu 11/13

8:35 am-8:25 pm

2 stops28h 50m

Chicago O'Hare Intl

Thu 12/11

10:45 am-10:55 am

2 stops31h 10m

$957

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 12/2

10:45 am-8:00 am

2 stops37h 15m

Chicago O'Hare Intl

Tue 12/9

12:50 pm-8:45 am

2 stops27h 55m

$968

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 12/2

10:45 am-2:41 pm

1 stop19h 56m

Chicago O'Hare Intl

Tue 12/9

12:50 pm-8:45 am

2 stops27h 55m

$971

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 12/2

11:20 am-4:08 pm

1 stop21h 48m

Chicago O'Hare Intl

Tue 12/9

8:50 am-9:00 am

1 stop31h 10m

$1,128

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 11/17

11:20 am-9:24 pm

1 stop27h 04m

Chicago O'Hare Intl

Mon 12/1

11:40 am-9:00 am

1 stop28h 20m

$1,130

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Mon 11/17

12:00 pm-5:58 pm

2 stops22h 58m

Chicago O'Hare Intl

Mon 12/8

11:55 am-5:00 am

1 stop24h 05m

$1,177

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 11/18

11:20 am-7:40 pm

2 stops25h 20m

Chicago O'Hare Intl

Sat 11/29

9:42 pm-9:00 am

1 stop42h 18m

$1,180

PerthChicago

PER - ORD

PERORD

Perth

Sat 11/29

3:15 pm-2:27 am

2 stops49h 12m

Chicago O'Hare Intl

Sun 1/4

9:05 pm-2:10 pm

2 stops51h 05m

$2,061

PerthChicago

PER - ORD

PERORD

Perth

Sat 11/29

3:15 pm-2:27 am

2 stops49h 12m

Chicago O'Hare Intl

Tue 1/6

6:29 pm-11:20 am

2 stops50h 51m

$2,066

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 March is, on average, the cheapest month to fly to Chicago from Australia, with most prices found around $735. If you’re not able to fly to Chicago in March, then May is your next best option. Flight prices from Australia to Chicago during May average around $739.

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 $976 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 41% 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 5 operators available for flights from Australia to Chicago as of October 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 7.5 922 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $862	Free Cancellation	Rating 7.1 10,334 reviews	Search Air Canada flights
American Airlines	PriceFrom $884	Free Cancellation	Rating 7.2 11,026 reviews	Search American Airlines flights
Japan Airlines	PriceFrom $965	Free Cancellation	Rating 8.3 1,582 reviews	Search Japan Airlines flights
United Airlines	PriceFrom $1,080	Free Cancellation	Rating 7.4 8,993 reviews	Search United Airlines flights

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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.