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

Air Canada, Etihad Airways, 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 are updated daily.

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

As of July 2026, there is 1 operator available to choose from for flights from Chicago to Australia.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify 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 required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$889 Cheap Flights from Chicago to Australia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Australia

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:20 - 10:35

ORD

BNE

34h 15m

3 stops

11:35 - 05:59

BNE

ORD

33h 24m

2 stops

$1,611Multiple Airlines

Wed, 19 Aug - Wed, 26 Aug

09:20 - 10:40

ORD

BNE

34h 20m

3 stops

11:35 - 06:17

BNE

ORD

33h 42m

2 stops

$1,612Multiple Airlines

Tue, 18 Aug - Tue, 25 Aug

09:20 - 12:00

ORD

MEL

35h 40m

3 stops

13:25 - 05:59

MEL

ORD

31h 34m

2 stops

$1,613Multiple Airlines

Wed, 19 Aug - Wed, 26 Aug

19:50 - 19:10

ORD

SYD

32h 20m

2 stops

11:45 - 14:55

SYD

ORD

42h 10m

1 stop

$1,762ANA

Mon, 31 Aug - Mon, 7 Sep

11:50 - 09:25

ORD

SYD

30h 35m

1 stop

11:45 - 14:55

SYD

ORD

42h 10m

1 stop

$1,783ANA

Mon, 31 Aug - Mon, 7 Sep

19:48 - 11:10

ORD

ADL

24h 52m

2 stops

21:20 - 14:43

ADL

ORD

31h 53m

2 stops

$2,079Air Canada

Sun, 6 Sep - Sun, 13 Sep

19:48 - 18:10

ORD

ADL

31h 52m

2 stops

18:55 - 14:43

ADL

ORD

34h 18m

2 stops

$2,087Air Canada

Mon, 7 Sep - Sat, 12 Sep

22:45 - 07:20

ORD

PER

42h 35m

1 stop

08:35 - 16:55

PER

ORD

22h 20m

1 stop

$2,175Philippine Airlines

Mon, 30 Nov - Mon, 7 Dec

17:53 - 13:45

ORD

HBA

26h 52m

2 stops

06:00 - 15:00

HBA

ORD

26h 00m

2 stops

$2,445Qantas Airways

Sun, 15 Nov - Sun, 6 Dec

14:50 - 10:40

ORD

HBA

26h 50m

2 stops

06:05 - 15:59

HBA

ORD

26h 54m

2 stops

$2,527Qantas Airways

Fri, 1 Jan - Fri, 15 Jan

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ANA flights from Chicago to Australia

Our best ANA deals on Chicago to Australia flight tickets

ANA

31 Aug

ORD19:50Chicago O'Hare Intl

32h 20m

2 stops

SYD19:10Sydney Kingsford Smith

7 Sept

SYD11:45Sydney Kingsford Smith

42h 10m

1 stop

ORD14:55Chicago O'Hare Intl

$1,762

ANA

31 Aug

ORD11:50Chicago O'Hare Intl

30h 35m

1 stop

SYD09:25Sydney Kingsford Smith

7 Sept

SYD11:45Sydney Kingsford Smith

42h 10m

1 stop

ORD14:55Chicago O'Hare Intl

$1,783

ANA

4 Nov

ORD17:50Chicago O'Hare Intl

33h 25m

2 stops

SYD20:15Sydney Kingsford Smith

11 Nov

SYD12:25Sydney Kingsford Smith

33h 55m

2 stops

ORD05:20Chicago O'Hare Intl

$1,795

Delta flights from Chicago to Australia

Our best Delta deals on Chicago to Australia flight tickets

Delta

4 Nov

MDW13:00Chicago Midway

27h 20m

2 stops

BNE08:20Brisbane

11 Nov

BNE10:40Brisbane

22h 10m

2 stops

MDW16:50Chicago Midway

$2,314

Delta

31 Oct

MDW13:28Chicago Midway

26h 02m

2 stops

SYD07:30Sydney Kingsford Smith

16 Nov

SYD10:40Sydney Kingsford Smith

23h 10m

2 stops

MDW16:50Chicago Midway

$2,319

Delta

1 Sept

MDW10:54Chicago Midway

28h 56m

2 stops

SYD06:50Sydney Kingsford Smith

8 Sept

SYD09:15Sydney Kingsford Smith

24h 04m

2 stops

MDW18:19Chicago Midway

$2,321

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Wed 19/8

09:20-10:35

3 stops34h 15m

Brisbane

Wed 26/8

11:35-05:59

2 stops33h 24m

$1,611

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 18/8

09:20-10:40

3 stops34h 20m

Brisbane

Tue 25/8

11:35-06:17

2 stops33h 42m

$1,612

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Wed 19/8

09:20-12:00

3 stops35h 40m

Melbourne

Wed 26/8

13:25-05:59

2 stops31h 34m

$1,613

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 31/8

19:50-19:10

2 stops32h 20m

Sydney Kingsford Smith

Mon 7/9

11:45-14:55

1 stop42h 10m

$1,762

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 31/8

11:50-09:25

1 stop30h 35m

Sydney Kingsford Smith

Mon 7/9

11:45-14:55

1 stop42h 10m

$1,783

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sun 6/9

19:48-11:10

2 stops24h 52m

Adelaide

Sun 13/9

21:20-14:43

2 stops31h 53m

$2,079

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 7/9

19:48-18:10

2 stops31h 52m

Adelaide

Sat 12/9

18:55-14:43

2 stops34h 18m

$2,087

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 30/11

22:45-07:20

1 stop42h 35m

Perth

Mon 7/12

08:35-16:55

1 stop22h 20m

$2,175

Fastest return journey

ChicagoHobart

ORD - HBA

ORDHBA

Chicago O'Hare Intl

Sun 15/11

17:53-13:45

2 stops26h 52m

Hobart

Sun 6/12

06:00-15:00

2 stops26h 00m

$2,445

ChicagoHobart

ORD - HBA

ORDHBA

Chicago O'Hare Intl

Fri 1/1

14:50-10:40

2 stops26h 50m

Hobart

Fri 15/1

06:05-15:59

2 stops26h 54m

$2,527

Flights are sorted by cheapest return 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?

In general, November is the cheapest month to fly from Chicago to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $163. If you don’t want to visit Australia in November, then you should wait until May to fly from Chicago, when ticket prices are also cheap, with an average price of $205.

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 $2,037 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Chicago for as low as $1,707 on momondo.

Can stopping save me money on Chicago to Australia flights?

You could potentially save up to 4% 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 57m
Direct flights	None

The fastest flight from Chicago to Australia takes 20h 57m

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 are updated daily.
How many operators does momondo search for flights from Chicago to Australia?
As of July 2026, there is 1 operator available to choose from for flights from Chicago to Australia.
How old do you have to be to fly from Chicago to Australia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify 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 required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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 $2,117	Free cancellation	Rating 7.5 1,058 reviews		Search Qantas Airways flights

Why use momondo?

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

Finding the right flight to Australia from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Australia quick and easy, saving you time and money.

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

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

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

Once all potential Chicago to Australia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Australia, momondo offers a useful price alert feature which will track prices for flights to Australia from Chicago and alert you when they change.