How long is the flight from Australia to Illinois?

If you’re flying from a popular airport in Australia, such as Sydney Kingsford Smith or Melbourne, and flying into Illinois, then you can expect flight times to average 19h 45m and 25h 18m, respectively.

$701 Cheap Flights to Illinois in 2026

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Recent flights found to popular cities in Illinois

Find flights to these popular cities in Illinois from your nearest airport.

Flights to Chicago

Search all flight deals to Chicago

United Airlines

19 Feb

BNE

40h 02m

2 stops

ORD

21 Feb

ORD

28h 25m

1 stop

BNE

$1,080

American Airlines

19 Feb

BNE

39h 51m

2 stops

ORD

21 Feb

ORD

31h 00m

1 stop

BNE

$1,254

Air Canada

5 Mar

BNE

25h 15m

1 stop

ORD

12 Mar

ORD

30h 10m

2 stops

BNE

$1,276

Air Canada

5 Mar

BNE

37h 15m

2 stops

ORD

12 Mar

ORD

27h 55m

2 stops

BNE

$1,280

Air Canada

5 Mar

BNE

19h 56m

1 stop

ORD

12 Mar

ORD

33h 30m

2 stops

BNE

$1,289

Air Canada

5 Mar

BNE

25h 25m

2 stops

ORD

12 Mar

ORD

33h 30m

2 stops

BNE

$1,294

Air Canada

5 Mar

BNE

25h 15m

1 stop

ORD

12 Mar

ORD

25h 10m

1 stop

BNE

$1,300

Air Canada

17 Feb

BNE

19h 56m

1 stop

ORD

24 Feb

ORD

33h 30m

2 stops

BNE

$1,312

Air Canada

5 Mar

BNE

19h 56m

1 stop

ORD

12 Mar

ORD

25h 10m

1 stop

BNE

$1,315

Air Canada

18 Feb

BNE

40h 21m

2 stops

ORD

25 Feb

ORD

25h 10m

1 stop

BNE

$1,316

Air Canada

17 Feb

BNE

25h 25m

2 stops

ORD

24 Feb

ORD

33h 30m

2 stops

BNE

$1,322

Air Canada

17 Feb

BNE

19h 56m

1 stop

ORD

24 Feb

ORD

25h 10m

1 stop

BNE

$1,323

Flights to Moline

Search all flight deals to Moline

United Airlines

5 Feb

BNE

43h 29m

2 stops

MLI

9 Feb

MLI

23h 45m

2 stops

BNE

$1,271

United Airlines

5 Feb

BNE

43h 29m

2 stops

MLI

9 Feb

MLI

23h 45m

2 stops

BNE

$1,274

United Airlines

5 Feb

BNE

38h 32m

2 stops

MLI

9 Feb

MLI

23h 45m

2 stops

BNE

$1,280

American Airlines

5 Feb

BNE

42h 18m

2 stops

MLI

9 Feb

MLI

22h 32m

1 stop

BNE

$2,582

American Airlines

5 Feb

BNE

42h 18m

2 stops

MLI

9 Feb

MLI

22h 32m

1 stop

BNE

$2,588

American Airlines

5 Feb

BNE

42h 18m

2 stops

MLI

9 Feb

MLI

22h 32m

1 stop

BNE

$2,599

Find the cheapest flights from Australia to Illinois

Round-trip

One-way

Last minute

Recent return flight deals from Australia to Illinois

Enter your travel dates to find the best prices.

11:40 - 11:42

BNE

ORD

40h 02m

2 stops

11:05 - 07:30

ORD

BNE

28h 25m

1 stop

$1,080United Airlines

Thu, 19 Feb - Sat, 21 Feb

09:40 - 14:47

BNE

STL

21h 07m

1 stop

07:04 - 05:00

STL

BNE

29h 56m

1 stop

$1,254American Airlines

Thu, 5 Feb - Mon, 9 Feb

09:40 - 09:31

BNE

ORD

39h 51m

2 stops

06:00 - 05:00

ORD

BNE

31h 00m

1 stop

$1,254American Airlines

Thu, 19 Feb - Sat, 21 Feb

10:45 - 20:00

BNE

ORD

25h 15m

1 stop

10:35 - 07:45

ORD

BNE

30h 10m

2 stops

$1,276Air Canada

Thu, 5 Mar - Thu, 12 Mar

10:45 - 08:00

BNE

ORD

37h 15m

2 stops

12:50 - 07:45

ORD

BNE

27h 55m

2 stops

$1,280Air Canada

Thu, 5 Mar - Thu, 12 Mar

10:30 - 16:59

MEL

STL

22h 29m

2 stops

19:05 - 08:15

STL

MEL

22h 10m

1 stop

$1,398Air New Zealand

Fri, 27 Mar - Sun, 5 Apr

12:10 - 20:28

MEL

ORD

25h 18m

2 stops

14:35 - 09:25

ORD

MEL

26h 50m

2 stops

$1,416Air New Zealand

Tue, 3 Mar - Tue, 10 Mar

10:30 - 13:45

PER

ORD

41h 15m

2 stops

18:40 - 23:55

ORD

PER

40h 15m

2 stops

$1,866Japan Airlines

Thu, 5 Mar - Mon, 9 Mar

10:30 - 13:45

PER

ORD

41h 15m

2 stops

18:40 - 23:55

ORD

PER

40h 15m

2 stops

$1,870Japan Airlines

Thu, 5 Mar - Mon, 9 Mar

14:20 - 21:58

BNE

STL

47h 38m

3 stops

18:50 - 07:35

STL

BNE

45h 45m

3 stops

$2,794Cathay Pacific

Sat, 7 Mar - Sat, 14 Mar

Fly from

Route

Depart

Return

Price

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 19/2

11:40-11:42

2 stops40h 02m

Chicago O'Hare Intl

Sat 21/2

11:05-07:30

1 stop28h 25m

$1,080

BrisbaneSt. Louis

BNE - STL

BNESTL

Brisbane

Thu 5/2

09:40-14:47

1 stop21h 07m

Lambert-St Louis

Mon 9/2

07:04-05:00

1 stop29h 56m

$1,254

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 19/2

09:40-09:31

2 stops39h 51m

Chicago O'Hare Intl

Sat 21/2

06:00-05:00

1 stop31h 00m

$1,254

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 5/3

10:45-20:00

1 stop25h 15m

Chicago O'Hare Intl

Thu 12/3

10:35-07:45

2 stops30h 10m

$1,276

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 5/3

10:45-08:00

2 stops37h 15m

Chicago O'Hare Intl

Thu 12/3

12:50-07:45

2 stops27h 55m

$1,280

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 27/3

10:30-16:59

2 stops22h 29m

Lambert-St Louis

Sun 5/4

19:05-08:15

1 stop22h 10m

$1,398

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Tue 3/3

12:10-20:28

2 stops25h 18m

Chicago O'Hare Intl

Tue 10/3

14:35-09:25

2 stops26h 50m

$1,416

PerthChicago

PER - ORD

PERORD

Perth

Thu 5/3

10:30-13:45

2 stops41h 15m

Chicago O'Hare Intl

Mon 9/3

18:40-23:55

2 stops40h 15m

$1,866

PerthChicago

PER - ORD

PERORD

Perth

Thu 5/3

10:30-13:45

2 stops41h 15m

Chicago O'Hare Intl

Mon 9/3

18:40-23:55

2 stops40h 15m

$1,870

BrisbaneSt. Louis

BNE - STL

BNESTL

Brisbane

Sat 7/3

14:20-21:58

3 stops47h 38m

Lambert-St Louis

Sat 14/3

18:50-07:35

3 stops45h 45m

$2,794

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Illinois flights insights and trends

Explore insights for your Illinois flight to craft the best travel plan

Airlines

Other information

Which airlines fly to Illinois?

Qantas Airways, United Airlines and Air Canada are the top three most popular airlines that fly to Illinois from Australia according to our data. Qantas Airways is the first choice among our users, with 55% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 9 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

Cheapest flights to cities in Illinois

Click on the cities below to find out when it's cheapest to fly to Illinois from Australia

Chicago

Find flights to Chicago

Cheap Illinois flight deals and tips

Summary info about Illinois flight prices, duration and airlines

Best One-Way Price	$701
Best Round-Trip Price	$1,080
Fastest flight time	28h 04m

The best one-way flight price to Illinois from Australia in the last 72 hours is $701 (Sydney Kingsford Smith to Chicago O'Hare Intl).

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The best round-trip flight price to Illinois from Australia in the last 72 hours is $1,080 (Brisbane to Chicago O'Hare Intl).

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The fastest flight to Illinois from Australia takes 28h 04m (Brisbane to Chicago O'Hare Intl).

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Frequently asked questions about flying to Illinois

What is the cheapest flight I can find to Illinois?

For prices as low as $108/pp, you can find flights to Illinois depending on where you are departing from. On average, flights to Illinois cost $896/pp.

What is the best airport to fly into to visit Chicago?

Chicago is about 99% more popular to visit than any other city in Illinois, according to momondo users. When visiting Chicago, it is recommended to fly into Chicago O'Hare Intl Airport, where you can typically get the cheapest prices and the most convenient travel options into the city.

I plan on visiting River North. Which airport is the quickest drive?

The closest airport to River North is Chicago O'Hare Intl Airport, and would make for the quickest drive. For those interested in a secondary airport to fly into, consider looking at flights heading to Chicago Midway Airport.

What are the most popular landmarks in Illinois?

When visiting Illinois, the majority of people tend to find River North, Millennium Park and Chicago Riverwalk to be the most notable landmarks in the area.

What is the weather like in Illinois?

The temperatures in Illinois range from -5 °C to 23 °C depending on the time of year. The warmest month in Illinois is July, and the coldest month in Illinois is January. Those looking for a drier month during their visit should travel during the months of January, February, or December, when rain is least likely compared to the rest of the year.

Which airlines fly to Illinois?

There are 9 airlines that fly to Illinois on a routine basis, but Qantas Airways, United Airlines and Air Canada happen to be the most popular among our users. In the past year, 55% of those who searched for flights to Illinois looked to travel with Qantas Airways, making this airline the top choice among momondo travellers.

When did momondo last update prices for flights to Illinois?

Prices for flights to Illinois refresh daily.

How many operators does momondo search for flights to Illinois?

The number of operators available for flights to Illinois is 10 as of January 2026.

How old do you have to be to fly to Illinois?

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 stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Illinois.

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

The travel and health documents required for your trip to Illinois 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 licence, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal to Illinois?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to Illinois. Millions of users trust and use momondo every year so you are in good company.

Can I find flights to Illinois with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Illinois with this policy.

How can momondo help me find flights to Illinois?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to Illinois.

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

Yes. momondo can track flight prices for Illinois and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Illinois trip

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Find better results for your trip to Illinois

$1,080 Cheap flights to Illinois

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to Illinois departing on 19/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Recent flights found to popular cities in Illinois

Find flights to these popular cities in Illinois from your nearest airport.

Flights to Chicago

Flights to Moline

Find the cheapest flights from Australia to Illinois

Recent return flight deals from Australia to Illinois

Recent one-way flight deals from Australia to Illinois

Recent last minute flight deals from Australia to Illinois

momondo Fare Finder

Use the filters below to find and compare flights to Illinois that are best for you.

See travel insights to Illinois from

Illinois flights insights and trends

Which airlines fly to Illinois?

How long is the flight from Australia to Illinois?

If you’re flying from a popular airport in Australia, such as Sydney Kingsford Smith or Melbourne, and flying into Illinois, then you can expect flight times to average 19h 45m and 25h 18m, respectively.

Cheapest flights to cities in Illinois

Click on the cities below to find out when it's cheapest to fly to Illinois from Australia

Cheap Illinois flight deals and tips

Summary info about Illinois flight prices, duration and airlines

Best One-Way Price

Best Round-Trip Price

Fastest flight time

Frequently asked questions about flying to Illinois

What is the cheapest flight I can find to Illinois?

What is the best airport to fly into to visit Chicago?

I plan on visiting River North. Which airport is the quickest drive?

What are the most popular landmarks in Illinois?

What is the weather like in Illinois?

Which airlines fly to Illinois?

When did momondo last update prices for flights to Illinois?

How many operators does momondo search for flights to Illinois?

How old do you have to be to fly to Illinois?

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

Why use momondo?

Why should I use momondo to find a flight deal to Illinois?

Can I find flights to Illinois with flexible booking policies on momondo?

How can momondo help me find flights to Illinois?

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

An easier way to manage your Illinois trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular Flights to Illinois

Popular routes according to searches in the past day on momondo