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

Philippine Airlines, Delta, and Qantas Airways 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 January 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.

$758 Cheap Flights from Chicago to Australia in 2026

1 adult

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Find the cheapest flights from Chicago to Australia

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

16:49 - 17:15

ORD

MEL

31h 26m

2 stops

12:00 - 16:37

MEL

ORD

21h 37m

1 stop

$1,360Qantas Airways

Wed, 25 Feb - Fri, 6 Mar

16:10 - 09:30

ORD

MEL

24h 20m

1 stop

06:45 - 14:53

MEL

ORD

25h 08m

2 stops

$1,388Qantas Airways

Wed, 11 Feb - Wed, 18 Feb

15:35 - 08:45

ORD

BNE

25h 10m

1 stop

09:45 - 14:41

BNE

ORD

19h 56m

1 stop

$1,414Air Canada

Tue, 24 Feb - Wed, 11 Mar

08:45 - 07:05

ORD

BNE

31h 20m

2 stops

10:00 - 14:45

BNE

ORD

19h 45m

1 stop

$1,420Air Canada

Mon, 18 May - Sun, 31 May

13:10 - 01:35

ORD

PER

46h 25m

2 stops

20:25 - 07:35

PER

ORD

49h 10m

2 stops

$1,712Multiple Airlines

Tue, 27 Jan - Sun, 1 Feb

13:26 - 08:20

MDW

BNE

26h 54m

2 stops

10:40 - 22:22

BNE

MDW

27h 42m

2 stops

$1,739Delta

Wed, 28 Jan - Sun, 8 Feb

18:20 - 08:20

MDW

BNE

46h 00m

2 stops

10:05 - 18:40

BNE

MDW

23h 35m

2 stops

$1,760Delta

Tue, 24 Feb - Wed, 11 Mar

07:45 - 05:00

MDW

BNE

29h 15m

2 stops

19:40 - 13:08

BNE

MDW

33h 28m

2 stops

$1,853Multiple Airlines

Fri, 27 Feb - Fri, 6 Mar

14:40 - 11:00

ORD

HBA

27h 20m

2 stops

12:20 - 22:59

HBA

ORD

27h 39m

2 stops

$2,041Air New Zealand

Tue, 10 Feb - Tue, 17 Feb

21:15 - 11:00

ORD

HBA

44h 45m

2 stops

12:20 - 23:08

HBA

ORD

27h 48m

2 stops

$2,208Air New Zealand

Thu, 26 Feb - Thu, 5 Mar

Air Canada flights from Chicago to Australia

Our best Air Canada deals on Chicago to Australia flight tickets

Air Canada

2 June

ORD15:40Chicago O'Hare Intl

24h 25m

1 stop

BNE07:05Brisbane

16 June

BNE10:00Brisbane

19h 45m

1 stop

ORD14:45Chicago O'Hare Intl

$1,414

Air Canada

2 June

ORD08:45Chicago O'Hare Intl

31h 20m

2 stops

BNE07:05Brisbane

16 June

BNE10:00Brisbane

19h 45m

1 stop

ORD14:45Chicago O'Hare Intl

$1,420

Air Canada

26 Apr

ORD15:40Chicago O'Hare Intl

24h 25m

1 stop

BNE07:05Brisbane

12 May

BNE10:00Brisbane

24h 53m

1 stop

ORD19:53Chicago O'Hare Intl

$1,427

Delta flights from Chicago to Australia

Our best Delta deals on Chicago to Australia flight tickets

Delta

28 Jan

MDW13:26Chicago Midway

26h 54m

2 stops

BNE08:20Brisbane

8 Feb

BNE10:40Brisbane

27h 42m

2 stops

MDW22:22Chicago Midway

$1,739

Delta

24 Feb

MDW18:20Chicago Midway

46h 00m

2 stops

BNE08:20Brisbane

11 Mar

BNE10:05Brisbane

23h 35m

2 stops

MDW18:40Chicago Midway

$1,760

Delta

27 Feb

MDW12:45Chicago Midway

27h 35m

2 stops

BNE08:20Brisbane

6 Mar

BNE10:40Brisbane

23h 05m

2 stops

MDW17:45Chicago Midway

$1,889

Fly from

Fly to

Route

Depart

Return

Price

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Wed 25/2

16:49-17:15

2 stops31h 26m

Melbourne

Fri 6/3

12:00-16:37

1 stop21h 37m

$1,360

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Wed 11/2

16:10-09:30

1 stop24h 20m

Melbourne

Wed 18/2

06:45-14:53

2 stops25h 08m

$1,388

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 24/2

15:35-08:45

1 stop25h 10m

Brisbane

Wed 11/3

09:45-14:41

1 stop19h 56m

$1,414

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Mon 18/5

08:45-07:05

2 stops31h 20m

Brisbane

Sun 31/5

10:00-14:45

1 stop19h 45m

$1,420

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 27/1

13:10-01:35

2 stops46h 25m

Perth

Sun 1/2

20:25-07:35

2 stops49h 10m

$1,712

ChicagoBrisbane

MDW - BNE

MDWBNE

Chicago Midway

Wed 28/1

13:26-08:20

2 stops26h 54m

Brisbane

Sun 8/2

10:40-22:22

2 stops27h 42m

$1,739

ChicagoBrisbane

MDW - BNE

MDWBNE

Chicago Midway

Tue 24/2

18:20-08:20

2 stops46h 00m

Brisbane

Wed 11/3

10:05-18:40

2 stops23h 35m

$1,760

ChicagoBrisbane

MDW - BNE

MDWBNE

Chicago Midway

Fri 27/2

07:45-05:00

2 stops29h 15m

Brisbane

Fri 6/3

19:40-13:08

2 stops33h 28m

$1,853

ChicagoHobart

ORD - HBA

ORDHBA

Chicago O'Hare Intl

Tue 10/2

14:40-11:00

2 stops27h 20m

Hobart

Tue 17/2

12:20-22:59

2 stops27h 39m

$2,041

ChicagoHobart

ORD - HBA

ORDHBA

Chicago O'Hare Intl

Thu 26/2

21:15-11:00

2 stops44h 45m

Hobart

Thu 5/3

12:20-23:08

2 stops27h 48m

$2,208

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, June 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 $1,290. If you don’t want to visit Australia in June, then you should wait until August to fly from Chicago, when ticket prices are also cheap, with an average price of $1,290.

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 $1,637 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 $1,360 on momondo.

Can stopping save me money on Chicago to Australia flights?

You could potentially save up to 37% 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 20m
Direct flights	None

The fastest flight from Chicago to Australia takes 21h 20m

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 are updated daily.
How many operators does momondo search for flights from Chicago to Australia?
As of January 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 $1,305	Free cancellation	Rating 7.5 970 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.